This document outlines a research paper that proposes a folksonomy-like approach to personalized tag-based movie recommendations. The paper introduces the concepts of folksonomies and tag-based recommendations. It then describes an approach where tags are assigned user ratings to personalize them. The tags are then appended to a user-movie rating matrix for collaborative filtering recommendations. Experiments on a movie dataset show the approach improves recommendation accuracy over traditional collaborative filtering.
Replication of Recommender Systems ResearchAlan Said
Course held at the 2017 ACM RecSys Summer School at the Free University of Bozen-Bolzano by Alejandro Bellogin (@abellogin) and Alan Said (@alansaid).
http://recommenders.net/rsss2017/
Comparative Recommender System Evaluation: Benchmarking Recommendation Frame...Alan Said
Video available here http://www.youtube.com/watch?v=1jHxGCl8RXc
Recommender systems research is often based on comparisons of predictive accuracy: the better the evaluation scores, the better the recommender.
However, it is difficult to compare results from different recommender systems due to the many options in design and implementation of an evaluation strategy.
Additionally, algorithmic implementations can diverge from the standard formulation due to manual tuning and modifications that work better in some situations.
In this work we compare common recommendation algorithms as implemented in three popular recommendation frameworks.
To provide a fair comparison, we have complete control of the evaluation dimensions being benchmarked: dataset, data splitting, evaluation strategies, and metrics.
We also include results using the internal evaluation mechanisms of these frameworks.
Our analysis points to large differences in recommendation accuracy across frameworks and strategies, i.e. the same baselines may perform orders of magnitude better or worse across frameworks.
Our results show the necessity of clear guidelines when reporting evaluation of recommender systems to ensure reproducibility and comparison of results.
The Magic Barrier of Recommender Systems - No Magic, Just RatingsAlan Said
Recommender Systems need to deal with different types of users who represent their preferences in various ways. This difference in user behaviour has a deep impact on the final performance of the recommender system, where some users may receive either better or worse recommendations depending, mostly, on the quantity and the quality of the information the system knows about the user. Specifically, the inconsistencies of the user impose a lower bound on the error the system may achieve when predicting ratings for that particular user.
In this work, we analyse how the consistency of user ratings (coherence) may predict the performance of recommendation methods. More specifically, our results show that our definition of coherence is correlated with the so-called magic barrier of recommender systems, and thus, it could be used to discriminate between easy users (those with a low magic barrier) and difficult ones (those with a high magic barrier).
We report experiments where the rating prediction error for the more coherent users is lower than that of the less coherent ones.
We further validate these results by using a public dataset, where the magic barrier is not available, in which we obtain similar performance improvements.
A Top-N Recommender System Evaluation Protocol Inspired by Deployed SystemsAlan Said
he evaluation of recommender systems is crucial for their development. In today's recommendation landscape there are many standardized recommendation algorithms and approaches, however, there exists no standardized method for experimental setup of evaluation -- not even for widely used measures such as precision and root-mean-squared error. This creates a setting where comparison of recommendation results using the same datasets becomes problematic. In this paper, we propose an evaluation protocol specifically developed with the recommendation use-case in mind, i.e. the recommendation of one or several items to an end user. The protocol attempts to closely mimic a scenario of a deployed (production) recommendation system, taking specific user aspects into consideration and allowing a comparison of small and large scale recommendation systems. The protocol is evaluated on common recommendation datasets and compared to traditional recommendation settings found in research literature. Our results show that the proposed model can better capture the quality of a recommender system than traditional evaluation does, and is not affected by characteristics of the data (e.g. size. sparsity, etc.).
Information Retrieval and User-centric Recommender System EvaluationAlan Said
Poster describing the ERCIM-funded project on IR- and user-centric recommender system evaluation currently being undertaken in the Information Access group at CWI.
Presented at UMAP 2013.
User-Centric Evaluation of a K-Furthest Neighbor Collaborative Filtering Reco...Alan Said
Collaborative filtering recommender systems often use nearest neighbor methods to identify candidate items. In this paper we present an inverted neighborhood model, k-Furthest Neighbors, to identify less ordinary neighborhoods for the purpose of creating more diverse recommendations. The approach is evaluated two-fold, once in a traditional information retrieval evaluation setting where the model is trained and validated on a split train/test set, and once through an online user study (N=132) to identify users’ erceived quality of the recommender. A standard k-nearest neighbor recommender is used as a baseline in both evaluation settings. our evaluation shows that even though the proposed furthest neighbor model is outperformed in the traditional evaluation setting, the perceived usefulness of the algorithm shows no significant difference in the results of the user study.
A 3D Approach to Recommender System EvaluationAlan Said
In this work we describe an approach at multi-objective recommender system evaluation based on a previously introduced 3D benchmarking model. The benchmarking model takes user-centric, business-centric and technical constraints into consideration in order to provide a means of comparison of recommender algorithms in similar scenarios. We present a comparison of three recommendation algorithms deployed in a user study using this 3D model and compare to standard evaluation methods. The proposed approach simplifies benchmarking of recommender systems and allows for simple multi-objective comparisons.
Replication of Recommender Systems ResearchAlan Said
Course held at the 2017 ACM RecSys Summer School at the Free University of Bozen-Bolzano by Alejandro Bellogin (@abellogin) and Alan Said (@alansaid).
http://recommenders.net/rsss2017/
Comparative Recommender System Evaluation: Benchmarking Recommendation Frame...Alan Said
Video available here http://www.youtube.com/watch?v=1jHxGCl8RXc
Recommender systems research is often based on comparisons of predictive accuracy: the better the evaluation scores, the better the recommender.
However, it is difficult to compare results from different recommender systems due to the many options in design and implementation of an evaluation strategy.
Additionally, algorithmic implementations can diverge from the standard formulation due to manual tuning and modifications that work better in some situations.
In this work we compare common recommendation algorithms as implemented in three popular recommendation frameworks.
To provide a fair comparison, we have complete control of the evaluation dimensions being benchmarked: dataset, data splitting, evaluation strategies, and metrics.
We also include results using the internal evaluation mechanisms of these frameworks.
Our analysis points to large differences in recommendation accuracy across frameworks and strategies, i.e. the same baselines may perform orders of magnitude better or worse across frameworks.
Our results show the necessity of clear guidelines when reporting evaluation of recommender systems to ensure reproducibility and comparison of results.
The Magic Barrier of Recommender Systems - No Magic, Just RatingsAlan Said
Recommender Systems need to deal with different types of users who represent their preferences in various ways. This difference in user behaviour has a deep impact on the final performance of the recommender system, where some users may receive either better or worse recommendations depending, mostly, on the quantity and the quality of the information the system knows about the user. Specifically, the inconsistencies of the user impose a lower bound on the error the system may achieve when predicting ratings for that particular user.
In this work, we analyse how the consistency of user ratings (coherence) may predict the performance of recommendation methods. More specifically, our results show that our definition of coherence is correlated with the so-called magic barrier of recommender systems, and thus, it could be used to discriminate between easy users (those with a low magic barrier) and difficult ones (those with a high magic barrier).
We report experiments where the rating prediction error for the more coherent users is lower than that of the less coherent ones.
We further validate these results by using a public dataset, where the magic barrier is not available, in which we obtain similar performance improvements.
A Top-N Recommender System Evaluation Protocol Inspired by Deployed SystemsAlan Said
he evaluation of recommender systems is crucial for their development. In today's recommendation landscape there are many standardized recommendation algorithms and approaches, however, there exists no standardized method for experimental setup of evaluation -- not even for widely used measures such as precision and root-mean-squared error. This creates a setting where comparison of recommendation results using the same datasets becomes problematic. In this paper, we propose an evaluation protocol specifically developed with the recommendation use-case in mind, i.e. the recommendation of one or several items to an end user. The protocol attempts to closely mimic a scenario of a deployed (production) recommendation system, taking specific user aspects into consideration and allowing a comparison of small and large scale recommendation systems. The protocol is evaluated on common recommendation datasets and compared to traditional recommendation settings found in research literature. Our results show that the proposed model can better capture the quality of a recommender system than traditional evaluation does, and is not affected by characteristics of the data (e.g. size. sparsity, etc.).
Information Retrieval and User-centric Recommender System EvaluationAlan Said
Poster describing the ERCIM-funded project on IR- and user-centric recommender system evaluation currently being undertaken in the Information Access group at CWI.
Presented at UMAP 2013.
User-Centric Evaluation of a K-Furthest Neighbor Collaborative Filtering Reco...Alan Said
Collaborative filtering recommender systems often use nearest neighbor methods to identify candidate items. In this paper we present an inverted neighborhood model, k-Furthest Neighbors, to identify less ordinary neighborhoods for the purpose of creating more diverse recommendations. The approach is evaluated two-fold, once in a traditional information retrieval evaluation setting where the model is trained and validated on a split train/test set, and once through an online user study (N=132) to identify users’ erceived quality of the recommender. A standard k-nearest neighbor recommender is used as a baseline in both evaluation settings. our evaluation shows that even though the proposed furthest neighbor model is outperformed in the traditional evaluation setting, the perceived usefulness of the algorithm shows no significant difference in the results of the user study.
A 3D Approach to Recommender System EvaluationAlan Said
In this work we describe an approach at multi-objective recommender system evaluation based on a previously introduced 3D benchmarking model. The benchmarking model takes user-centric, business-centric and technical constraints into consideration in order to provide a means of comparison of recommender algorithms in similar scenarios. We present a comparison of three recommendation algorithms deployed in a user study using this 3D model and compare to standard evaluation methods. The proposed approach simplifies benchmarking of recommender systems and allows for simple multi-objective comparisons.
Best Practices in Recommender System ChallengesAlan Said
Recommender System Challenges such as the Netflix Prize, KDD Cup, etc. have contributed vastly to the development and adoptability of recommender systems. Each year a number of challenges or contests are organized covering different aspects of recommendation. In this tutorial and panel, we present some of the factors involved in successfully organizing a challenge, whether for reasons purely related to research, industrial challenges, or to widen the scope of recommender systems applications.
Estimating the Magic Barrier of Recommender Systems: A User StudyAlan Said
Recommender systems are commonly evaluated by trying to predict known, withheld, ratings for a set of users. Measures such as the Root-Mean-Square Error are used to estimate the quality of the recommender algorithms. This process does however not acknowledge the inherent rating inconsistencies of users. In this paper we present the first results from a noise measurement user study for estimating the magic barrier of recommender systems conducted on a commercial movie recommendation community. The magic barrier is the expected squared error of the optimal recommendation algorithm, or, the lowest error we can expect from any recommendation algorithm. Our results show that the barrier can be estimated by collecting the opinions of users on already rated items.
Users and Noise: The Magic Barrier of Recommender SystemsAlan Said
Recommender systems are crucial components of most commercial websites to keep users satisfied and to increase revenue. Thus, a lot of effort is made to improve recommendation accuracy. But when is the best possible performance of the recommender reached? The magic barrier, refers to some unknown level of prediction accuracy a recommender system can attain. The magic barrier reveals whether there is still room for improving prediction accuracy or indicates that further improvement is meaningless. In this work, we present a mathematical characterization of the magic barrier based on the assumption that user ratings are afflicted with inconsistencies - noise. In a case study with a commercial movie recommender, we investigate the inconsistencies of the user ratings and estimate the magic barrier in order to assess the actual quality of the recommender system.
Using Social- and Pseudo-Social Networks to Improve Recommendation QualityAlan Said
Short paper presentation at the workshop on Intelligent Techniques from Web Personalization (ITWP2011) at the International Joint Conference on Artificial Intelligence - IJCAI-11, IJCAI2011
Young Tom Selleck: A Journey Through His Early Years and Rise to Stardomgreendigital
Introduction
When one thinks of Hollywood legends, Tom Selleck is a name that comes to mind. Known for his charming smile, rugged good looks. and the iconic mustache that has become synonymous with his persona. Tom Selleck has had a prolific career spanning decades. But, the journey of young Tom Selleck, from his early years to becoming a household name. is a story filled with determination, talent, and a touch of luck. This article delves into young Tom Selleck's life, background, early struggles. and pivotal moments that led to his rise in Hollywood.
Follow us on: Pinterest
Early Life and Background
Family Roots and Childhood
Thomas William Selleck was born in Detroit, Michigan, on January 29, 1945. He was the second of four children in a close-knit family. His father, Robert Dean Selleck, was a real estate investor and executive. while his mother, Martha Selleck, was a homemaker. The Selleck family relocated to Sherman Oaks, California. when Tom was a child, setting the stage for his future in the entertainment industry.
Education and Early Interests
Growing up, young Tom Selleck was an active and athletic child. He attended Grant High School in Van Nuys, California. where he excelled in sports, particularly basketball. His tall and athletic build made him a standout player, and he earned a basketball scholarship to the University of Southern California (U.S.C.). While at U.S.C., Selleck studied business administration. but his interests shifted toward acting.
Discovery of Acting Passion
Tom Selleck's journey into acting was serendipitous. During his time at U.S.C., a drama coach encouraged him to try acting. This nudge led him to join the Hills Playhouse, where he began honing his craft. Transitioning from an aspiring athlete to an actor took time. but young Tom Selleck became drawn to the performance world.
Early Career Struggles
Breaking Into the Industry
The path to stardom was a challenging one for young Tom Selleck. Like many aspiring actors, he faced many rejections and struggled to find steady work. A series of minor roles and guest appearances on television shows marked his early career. In 1965, he debuted on the syndicated show "The Dating Game." which gave him some exposure but did not lead to immediate success.
The Commercial Breakthrough
During the late 1960s and early 1970s, Selleck began appearing in television commercials. His rugged good looks and charismatic presence made him a popular brand choice. He starred in advertisements for Pepsi-Cola, Revlon, and Close-Up toothpaste. These commercials provided financial stability and helped him gain visibility in the industry.
Struggling Actor in Hollywood
Despite his success in commercials. breaking into large acting roles remained a challenge for young Tom Selleck. He auditioned and took on small parts in T.V. shows and movies. Some of his early television appearances included roles in popular series like Lancer, The F.B.I., and Bracken's World. But, it would take a
Experience the thrill of Progressive Puzzle Adventures, like Scavenger Hunt Games and Escape Room Activities combined Solve Treasure Hunt Puzzles online.
Modern Radio Frequency Access Control Systems: The Key to Efficiency and SafetyAITIX LLC
Today's fast-paced environment worries companies of all sizes about efficiency and security. Businesses are constantly looking for new and better solutions to solve their problems, whether it's data security or facility access. RFID for access control technologies have revolutionized this.
Tom Selleck Net Worth: A Comprehensive Analysisgreendigital
Over several decades, Tom Selleck, a name synonymous with charisma. From his iconic role as Thomas Magnum in the television series "Magnum, P.I." to his enduring presence in "Blue Bloods," Selleck has captivated audiences with his versatility and charm. As a result, "Tom Selleck net worth" has become a topic of great interest among fans. and financial enthusiasts alike. This article delves deep into Tom Selleck's wealth, exploring his career, assets, endorsements. and business ventures that contribute to his impressive economic standing.
Follow us on: Pinterest
Early Life and Career Beginnings
The Foundation of Tom Selleck's Wealth
Born on January 29, 1945, in Detroit, Michigan, Tom Selleck grew up in Sherman Oaks, California. His journey towards building a large net worth began with humble origins. , Selleck pursued a business administration degree at the University of Southern California (USC) on a basketball scholarship. But, his interest shifted towards acting. leading him to study at the Hills Playhouse under Milton Katselas.
Minor roles in television and films marked Selleck's early career. He appeared in commercials and took on small parts in T.V. series such as "The Dating Game" and "Lancer." These initial steps, although modest. laid the groundwork for his future success and the growth of Tom Selleck net worth. Breakthrough with "Magnum, P.I."
The Role that Defined Tom Selleck's Career
Tom Selleck's breakthrough came with the role of Thomas Magnum in the CBS television series "Magnum, P.I." (1980-1988). This role made him a household name and boosted his net worth. The series' popularity resulted in Selleck earning large salaries. leading to financial stability and increased recognition in Hollywood.
"Magnum P.I." garnered high ratings and critical acclaim during its run. Selleck's portrayal of the charming and resourceful private investigator resonated with audiences. making him one of the most beloved television actors of the 1980s. The success of "Magnum P.I." played a pivotal role in shaping Tom Selleck net worth, establishing him as a major star.
Film Career and Diversification
Expanding Tom Selleck's Financial Portfolio
While "Magnum, P.I." was a cornerstone of Selleck's career, he did not limit himself to television. He ventured into films, further enhancing Tom Selleck net worth. His filmography includes notable movies such as "Three Men and a Baby" (1987). which became the highest-grossing film of the year, and its sequel, "Three Men and a Little Lady" (1990). These box office successes contributed to his wealth.
Selleck's versatility allowed him to transition between genres. from comedies like "Mr. Baseball" (1992) to westerns such as "Quigley Down Under" (1990). This diversification showcased his acting range. and provided many income streams, reinforcing Tom Selleck net worth.
Television Resurgence with "Blue Bloods"
Sustaining Wealth through Consistent Success
In 2010, Tom Selleck began starring as Frank Reagan i
Matt Rife Cancels Shows Due to Health Concerns, Reschedules Tour Dates.pdfAzura Everhart
Matt Rife's comedy tour took an unexpected turn. He had to cancel his Bloomington show due to a last-minute medical emergency. Fans in Chicago will also have to wait a bit longer for their laughs, as his shows there are postponed. Rife apologized and assured fans he'd be back on stage soon.
https://www.theurbancrews.com/celeb/matt-rife-cancels-bloomington-show/
From the Editor's Desk: 115th Father's day Celebration - When we see Father's day in Hindu context, Nanda Baba is the most vivid figure which comes to the mind. Nanda Baba who was the foster father of Lord Krishna is known to provide love, care and affection to Lord Krishna and Balarama along with his wife Yashoda; Letter’s to the Editor: Mother's Day - Mother is a precious life for their children. Mother is life breath for her children. Mother's lap is the world happiness whose debt can never be paid.
Skeem Saam in June 2024 available on ForumIsaac More
Monday, June 3, 2024 - Episode 241: Sergeant Rathebe nabs a top scammer in Turfloop. Meikie is furious at her uncle's reaction to the truth about Ntswaki.
Tuesday, June 4, 2024 - Episode 242: Babeile uncovers the truth behind Rathebe’s latest actions. Leeto's announcement shocks his employees, and Ntswaki’s ordeal haunts her family.
Wednesday, June 5, 2024 - Episode 243: Rathebe blocks Babeile from investigating further. Melita warns Eunice to stay clear of Mr. Kgomo.
Thursday, June 6, 2024 - Episode 244: Tbose surrenders to the police while an intruder meddles in his affairs. Rathebe's secret mission faces a setback.
Friday, June 7, 2024 - Episode 245: Rathebe’s antics reach Kganyago. Tbose dodges a bullet, but a nightmare looms. Mr. Kgomo accuses Melita of witchcraft.
Monday, June 10, 2024 - Episode 246: Ntswaki struggles on her first day back at school. Babeile is stunned by Rathebe’s romance with Bullet Mabuza.
Tuesday, June 11, 2024 - Episode 247: An unexpected turn halts Rathebe’s investigation. The press discovers Mr. Kgomo’s affair with a young employee.
Wednesday, June 12, 2024 - Episode 248: Rathebe chases a criminal, resorting to gunfire. Turf High is rife with tension and transfer threats.
Thursday, June 13, 2024 - Episode 249: Rathebe traps Kganyago. John warns Toby to stop harassing Ntswaki.
Friday, June 14, 2024 - Episode 250: Babeile is cleared to investigate Rathebe. Melita gains Mr. Kgomo’s trust, and Jacobeth devises a financial solution.
Monday, June 17, 2024 - Episode 251: Rathebe feels the pressure as Babeile closes in. Mr. Kgomo and Eunice clash. Jacobeth risks her safety in pursuit of Kganyago.
Tuesday, June 18, 2024 - Episode 252: Bullet Mabuza retaliates against Jacobeth. Pitsi inadvertently reveals his parents’ plans. Nkosi is shocked by Khwezi’s decision on LJ’s future.
Wednesday, June 19, 2024 - Episode 253: Jacobeth is ensnared in deceit. Evelyn is stressed over Toby’s case, and Letetswe reveals shocking academic results.
Thursday, June 20, 2024 - Episode 254: Elizabeth learns Jacobeth is in Mpumalanga. Kganyago's past is exposed, and Lehasa discovers his son is in KZN.
Friday, June 21, 2024 - Episode 255: Elizabeth confirms Jacobeth’s dubious activities in Mpumalanga. Rathebe lies about her relationship with Bullet, and Jacobeth faces theft accusations.
Monday, June 24, 2024 - Episode 256: Rathebe spies on Kganyago. Lehasa plans to retrieve his son from KZN, fearing what awaits.
Tuesday, June 25, 2024 - Episode 257: MaNtuli fears for Kwaito’s safety in Mpumalanga. Mr. Kgomo and Melita reconcile.
Wednesday, June 26, 2024 - Episode 258: Kganyago makes a bold escape. Elizabeth receives a shocking message from Kwaito. Mrs. Khoza defends her husband against scam accusations.
Thursday, June 27, 2024 - Episode 259: Babeile's skillful arrest changes the game. Tbose and Kwaito face a hostage crisis.
Friday, June 28, 2024 - Episode 260: Two women face the reality of being scammed. Turf is rocked by breaking
Scandal! Teasers June 2024 on etv Forum.co.zaIsaac More
Monday, 3 June 2024
Episode 47
A friend is compelled to expose a manipulative scheme to prevent another from making a grave mistake. In a frantic bid to save Jojo, Phakamile agrees to a meeting that unbeknownst to her, will seal her fate.
Tuesday, 4 June 2024
Episode 48
A mother, with her son's best interests at heart, finds him unready to heed her advice. Motshabi finds herself in an unmanageable situation, sinking fast like in quicksand.
Wednesday, 5 June 2024
Episode 49
A woman fabricates a diabolical lie to cover up an indiscretion. Overwhelmed by guilt, she makes a spontaneous confession that could be devastating to another heart.
Thursday, 6 June 2024
Episode 50
Linda unwittingly discloses damning information. Nhlamulo and Vuvu try to guide their friend towards the right decision.
Friday, 7 June 2024
Episode 51
Jojo's life continues to spiral out of control. Dintle weaves a web of lies to conceal that she is not as successful as everyone believes.
Monday, 10 June 2024
Episode 52
A heated confrontation between lovers leads to a devastating admission of guilt. Dintle's desperation takes a new turn, leaving her with dwindling options.
Tuesday, 11 June 2024
Episode 53
Unable to resort to violence, Taps issues a verbal threat, leaving Mdala unsettled. A sister must explain her life choices to regain her brother's trust.
Wednesday, 12 June 2024
Episode 54
Winnie makes a very troubling discovery. Taps follows through on his threat, leaving a woman reeling. Layla, oblivious to the truth, offers an incentive.
Thursday, 13 June 2024
Episode 55
A nosy relative arrives just in time to thwart a man's fatal decision. Dintle manipulates Khanyi to tug at Mo's heartstrings and get what she wants.
Friday, 14 June 2024
Episode 56
Tlhogi is shocked by Mdala's reaction following the revelation of their indiscretion. Jojo is in disbelief when the punishment for his crime is revealed.
Monday, 17 June 2024
Episode 57
A woman reprimands another to stay in her lane, leading to a damning revelation. A man decides to leave his broken life behind.
Tuesday, 18 June 2024
Episode 58
Nhlamulo learns that due to his actions, his worst fears have come true. Caiphus' extravagant promises to suppliers get him into trouble with Ndu.
Wednesday, 19 June 2024
Episode 59
A woman manages to kill two birds with one stone. Business doom looms over Chillax. A sobering incident makes a woman realize how far she's fallen.
Thursday, 20 June 2024
Episode 60
Taps' offer to help Nhlamulo comes with hidden motives. Caiphus' new ideas for Chillax have MaHilda excited. A blast from the past recognizes Dintle, not for her newfound fame.
Friday, 21 June 2024
Episode 61
Taps is hungry for revenge and finds a rope to hang Mdala with. Chillax's new job opportunity elicits mixed reactions from the public. Roommates' initial meeting starts off on the wrong foot.
Monday, 24 June 2024
Episode 62
Taps seizes new information and recruits someone on the inside. Mary's new job
Best Practices in Recommender System ChallengesAlan Said
Recommender System Challenges such as the Netflix Prize, KDD Cup, etc. have contributed vastly to the development and adoptability of recommender systems. Each year a number of challenges or contests are organized covering different aspects of recommendation. In this tutorial and panel, we present some of the factors involved in successfully organizing a challenge, whether for reasons purely related to research, industrial challenges, or to widen the scope of recommender systems applications.
Estimating the Magic Barrier of Recommender Systems: A User StudyAlan Said
Recommender systems are commonly evaluated by trying to predict known, withheld, ratings for a set of users. Measures such as the Root-Mean-Square Error are used to estimate the quality of the recommender algorithms. This process does however not acknowledge the inherent rating inconsistencies of users. In this paper we present the first results from a noise measurement user study for estimating the magic barrier of recommender systems conducted on a commercial movie recommendation community. The magic barrier is the expected squared error of the optimal recommendation algorithm, or, the lowest error we can expect from any recommendation algorithm. Our results show that the barrier can be estimated by collecting the opinions of users on already rated items.
Users and Noise: The Magic Barrier of Recommender SystemsAlan Said
Recommender systems are crucial components of most commercial websites to keep users satisfied and to increase revenue. Thus, a lot of effort is made to improve recommendation accuracy. But when is the best possible performance of the recommender reached? The magic barrier, refers to some unknown level of prediction accuracy a recommender system can attain. The magic barrier reveals whether there is still room for improving prediction accuracy or indicates that further improvement is meaningless. In this work, we present a mathematical characterization of the magic barrier based on the assumption that user ratings are afflicted with inconsistencies - noise. In a case study with a commercial movie recommender, we investigate the inconsistencies of the user ratings and estimate the magic barrier in order to assess the actual quality of the recommender system.
Using Social- and Pseudo-Social Networks to Improve Recommendation QualityAlan Said
Short paper presentation at the workshop on Intelligent Techniques from Web Personalization (ITWP2011) at the International Joint Conference on Artificial Intelligence - IJCAI-11, IJCAI2011
Young Tom Selleck: A Journey Through His Early Years and Rise to Stardomgreendigital
Introduction
When one thinks of Hollywood legends, Tom Selleck is a name that comes to mind. Known for his charming smile, rugged good looks. and the iconic mustache that has become synonymous with his persona. Tom Selleck has had a prolific career spanning decades. But, the journey of young Tom Selleck, from his early years to becoming a household name. is a story filled with determination, talent, and a touch of luck. This article delves into young Tom Selleck's life, background, early struggles. and pivotal moments that led to his rise in Hollywood.
Follow us on: Pinterest
Early Life and Background
Family Roots and Childhood
Thomas William Selleck was born in Detroit, Michigan, on January 29, 1945. He was the second of four children in a close-knit family. His father, Robert Dean Selleck, was a real estate investor and executive. while his mother, Martha Selleck, was a homemaker. The Selleck family relocated to Sherman Oaks, California. when Tom was a child, setting the stage for his future in the entertainment industry.
Education and Early Interests
Growing up, young Tom Selleck was an active and athletic child. He attended Grant High School in Van Nuys, California. where he excelled in sports, particularly basketball. His tall and athletic build made him a standout player, and he earned a basketball scholarship to the University of Southern California (U.S.C.). While at U.S.C., Selleck studied business administration. but his interests shifted toward acting.
Discovery of Acting Passion
Tom Selleck's journey into acting was serendipitous. During his time at U.S.C., a drama coach encouraged him to try acting. This nudge led him to join the Hills Playhouse, where he began honing his craft. Transitioning from an aspiring athlete to an actor took time. but young Tom Selleck became drawn to the performance world.
Early Career Struggles
Breaking Into the Industry
The path to stardom was a challenging one for young Tom Selleck. Like many aspiring actors, he faced many rejections and struggled to find steady work. A series of minor roles and guest appearances on television shows marked his early career. In 1965, he debuted on the syndicated show "The Dating Game." which gave him some exposure but did not lead to immediate success.
The Commercial Breakthrough
During the late 1960s and early 1970s, Selleck began appearing in television commercials. His rugged good looks and charismatic presence made him a popular brand choice. He starred in advertisements for Pepsi-Cola, Revlon, and Close-Up toothpaste. These commercials provided financial stability and helped him gain visibility in the industry.
Struggling Actor in Hollywood
Despite his success in commercials. breaking into large acting roles remained a challenge for young Tom Selleck. He auditioned and took on small parts in T.V. shows and movies. Some of his early television appearances included roles in popular series like Lancer, The F.B.I., and Bracken's World. But, it would take a
Experience the thrill of Progressive Puzzle Adventures, like Scavenger Hunt Games and Escape Room Activities combined Solve Treasure Hunt Puzzles online.
Modern Radio Frequency Access Control Systems: The Key to Efficiency and SafetyAITIX LLC
Today's fast-paced environment worries companies of all sizes about efficiency and security. Businesses are constantly looking for new and better solutions to solve their problems, whether it's data security or facility access. RFID for access control technologies have revolutionized this.
Tom Selleck Net Worth: A Comprehensive Analysisgreendigital
Over several decades, Tom Selleck, a name synonymous with charisma. From his iconic role as Thomas Magnum in the television series "Magnum, P.I." to his enduring presence in "Blue Bloods," Selleck has captivated audiences with his versatility and charm. As a result, "Tom Selleck net worth" has become a topic of great interest among fans. and financial enthusiasts alike. This article delves deep into Tom Selleck's wealth, exploring his career, assets, endorsements. and business ventures that contribute to his impressive economic standing.
Follow us on: Pinterest
Early Life and Career Beginnings
The Foundation of Tom Selleck's Wealth
Born on January 29, 1945, in Detroit, Michigan, Tom Selleck grew up in Sherman Oaks, California. His journey towards building a large net worth began with humble origins. , Selleck pursued a business administration degree at the University of Southern California (USC) on a basketball scholarship. But, his interest shifted towards acting. leading him to study at the Hills Playhouse under Milton Katselas.
Minor roles in television and films marked Selleck's early career. He appeared in commercials and took on small parts in T.V. series such as "The Dating Game" and "Lancer." These initial steps, although modest. laid the groundwork for his future success and the growth of Tom Selleck net worth. Breakthrough with "Magnum, P.I."
The Role that Defined Tom Selleck's Career
Tom Selleck's breakthrough came with the role of Thomas Magnum in the CBS television series "Magnum, P.I." (1980-1988). This role made him a household name and boosted his net worth. The series' popularity resulted in Selleck earning large salaries. leading to financial stability and increased recognition in Hollywood.
"Magnum P.I." garnered high ratings and critical acclaim during its run. Selleck's portrayal of the charming and resourceful private investigator resonated with audiences. making him one of the most beloved television actors of the 1980s. The success of "Magnum P.I." played a pivotal role in shaping Tom Selleck net worth, establishing him as a major star.
Film Career and Diversification
Expanding Tom Selleck's Financial Portfolio
While "Magnum, P.I." was a cornerstone of Selleck's career, he did not limit himself to television. He ventured into films, further enhancing Tom Selleck net worth. His filmography includes notable movies such as "Three Men and a Baby" (1987). which became the highest-grossing film of the year, and its sequel, "Three Men and a Little Lady" (1990). These box office successes contributed to his wealth.
Selleck's versatility allowed him to transition between genres. from comedies like "Mr. Baseball" (1992) to westerns such as "Quigley Down Under" (1990). This diversification showcased his acting range. and provided many income streams, reinforcing Tom Selleck net worth.
Television Resurgence with "Blue Bloods"
Sustaining Wealth through Consistent Success
In 2010, Tom Selleck began starring as Frank Reagan i
Matt Rife Cancels Shows Due to Health Concerns, Reschedules Tour Dates.pdfAzura Everhart
Matt Rife's comedy tour took an unexpected turn. He had to cancel his Bloomington show due to a last-minute medical emergency. Fans in Chicago will also have to wait a bit longer for their laughs, as his shows there are postponed. Rife apologized and assured fans he'd be back on stage soon.
https://www.theurbancrews.com/celeb/matt-rife-cancels-bloomington-show/
From the Editor's Desk: 115th Father's day Celebration - When we see Father's day in Hindu context, Nanda Baba is the most vivid figure which comes to the mind. Nanda Baba who was the foster father of Lord Krishna is known to provide love, care and affection to Lord Krishna and Balarama along with his wife Yashoda; Letter’s to the Editor: Mother's Day - Mother is a precious life for their children. Mother is life breath for her children. Mother's lap is the world happiness whose debt can never be paid.
Skeem Saam in June 2024 available on ForumIsaac More
Monday, June 3, 2024 - Episode 241: Sergeant Rathebe nabs a top scammer in Turfloop. Meikie is furious at her uncle's reaction to the truth about Ntswaki.
Tuesday, June 4, 2024 - Episode 242: Babeile uncovers the truth behind Rathebe’s latest actions. Leeto's announcement shocks his employees, and Ntswaki’s ordeal haunts her family.
Wednesday, June 5, 2024 - Episode 243: Rathebe blocks Babeile from investigating further. Melita warns Eunice to stay clear of Mr. Kgomo.
Thursday, June 6, 2024 - Episode 244: Tbose surrenders to the police while an intruder meddles in his affairs. Rathebe's secret mission faces a setback.
Friday, June 7, 2024 - Episode 245: Rathebe’s antics reach Kganyago. Tbose dodges a bullet, but a nightmare looms. Mr. Kgomo accuses Melita of witchcraft.
Monday, June 10, 2024 - Episode 246: Ntswaki struggles on her first day back at school. Babeile is stunned by Rathebe’s romance with Bullet Mabuza.
Tuesday, June 11, 2024 - Episode 247: An unexpected turn halts Rathebe’s investigation. The press discovers Mr. Kgomo’s affair with a young employee.
Wednesday, June 12, 2024 - Episode 248: Rathebe chases a criminal, resorting to gunfire. Turf High is rife with tension and transfer threats.
Thursday, June 13, 2024 - Episode 249: Rathebe traps Kganyago. John warns Toby to stop harassing Ntswaki.
Friday, June 14, 2024 - Episode 250: Babeile is cleared to investigate Rathebe. Melita gains Mr. Kgomo’s trust, and Jacobeth devises a financial solution.
Monday, June 17, 2024 - Episode 251: Rathebe feels the pressure as Babeile closes in. Mr. Kgomo and Eunice clash. Jacobeth risks her safety in pursuit of Kganyago.
Tuesday, June 18, 2024 - Episode 252: Bullet Mabuza retaliates against Jacobeth. Pitsi inadvertently reveals his parents’ plans. Nkosi is shocked by Khwezi’s decision on LJ’s future.
Wednesday, June 19, 2024 - Episode 253: Jacobeth is ensnared in deceit. Evelyn is stressed over Toby’s case, and Letetswe reveals shocking academic results.
Thursday, June 20, 2024 - Episode 254: Elizabeth learns Jacobeth is in Mpumalanga. Kganyago's past is exposed, and Lehasa discovers his son is in KZN.
Friday, June 21, 2024 - Episode 255: Elizabeth confirms Jacobeth’s dubious activities in Mpumalanga. Rathebe lies about her relationship with Bullet, and Jacobeth faces theft accusations.
Monday, June 24, 2024 - Episode 256: Rathebe spies on Kganyago. Lehasa plans to retrieve his son from KZN, fearing what awaits.
Tuesday, June 25, 2024 - Episode 257: MaNtuli fears for Kwaito’s safety in Mpumalanga. Mr. Kgomo and Melita reconcile.
Wednesday, June 26, 2024 - Episode 258: Kganyago makes a bold escape. Elizabeth receives a shocking message from Kwaito. Mrs. Khoza defends her husband against scam accusations.
Thursday, June 27, 2024 - Episode 259: Babeile's skillful arrest changes the game. Tbose and Kwaito face a hostage crisis.
Friday, June 28, 2024 - Episode 260: Two women face the reality of being scammed. Turf is rocked by breaking
Scandal! Teasers June 2024 on etv Forum.co.zaIsaac More
Monday, 3 June 2024
Episode 47
A friend is compelled to expose a manipulative scheme to prevent another from making a grave mistake. In a frantic bid to save Jojo, Phakamile agrees to a meeting that unbeknownst to her, will seal her fate.
Tuesday, 4 June 2024
Episode 48
A mother, with her son's best interests at heart, finds him unready to heed her advice. Motshabi finds herself in an unmanageable situation, sinking fast like in quicksand.
Wednesday, 5 June 2024
Episode 49
A woman fabricates a diabolical lie to cover up an indiscretion. Overwhelmed by guilt, she makes a spontaneous confession that could be devastating to another heart.
Thursday, 6 June 2024
Episode 50
Linda unwittingly discloses damning information. Nhlamulo and Vuvu try to guide their friend towards the right decision.
Friday, 7 June 2024
Episode 51
Jojo's life continues to spiral out of control. Dintle weaves a web of lies to conceal that she is not as successful as everyone believes.
Monday, 10 June 2024
Episode 52
A heated confrontation between lovers leads to a devastating admission of guilt. Dintle's desperation takes a new turn, leaving her with dwindling options.
Tuesday, 11 June 2024
Episode 53
Unable to resort to violence, Taps issues a verbal threat, leaving Mdala unsettled. A sister must explain her life choices to regain her brother's trust.
Wednesday, 12 June 2024
Episode 54
Winnie makes a very troubling discovery. Taps follows through on his threat, leaving a woman reeling. Layla, oblivious to the truth, offers an incentive.
Thursday, 13 June 2024
Episode 55
A nosy relative arrives just in time to thwart a man's fatal decision. Dintle manipulates Khanyi to tug at Mo's heartstrings and get what she wants.
Friday, 14 June 2024
Episode 56
Tlhogi is shocked by Mdala's reaction following the revelation of their indiscretion. Jojo is in disbelief when the punishment for his crime is revealed.
Monday, 17 June 2024
Episode 57
A woman reprimands another to stay in her lane, leading to a damning revelation. A man decides to leave his broken life behind.
Tuesday, 18 June 2024
Episode 58
Nhlamulo learns that due to his actions, his worst fears have come true. Caiphus' extravagant promises to suppliers get him into trouble with Ndu.
Wednesday, 19 June 2024
Episode 59
A woman manages to kill two birds with one stone. Business doom looms over Chillax. A sobering incident makes a woman realize how far she's fallen.
Thursday, 20 June 2024
Episode 60
Taps' offer to help Nhlamulo comes with hidden motives. Caiphus' new ideas for Chillax have MaHilda excited. A blast from the past recognizes Dintle, not for her newfound fame.
Friday, 21 June 2024
Episode 61
Taps is hungry for revenge and finds a rope to hang Mdala with. Chillax's new job opportunity elicits mixed reactions from the public. Roommates' initial meeting starts off on the wrong foot.
Monday, 24 June 2024
Episode 62
Taps seizes new information and recruits someone on the inside. Mary's new job
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240529_Teleprotection Global Market Report 2024.pdfMadhura TBRC
The teleprotection market size has grown
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compound annual growth rate (CAGR) of 28.2%. The
teleprotection market size is expected to see
exponential growth in the next few years. It will grow
to $70.77 billion in 2028 at a compound annual
growth rate (CAGR) of 26.0%.
At Digidev, we are working to be the leader in interactive streaming platforms of choice by smart device users worldwide.
Our goal is to become the ultimate distribution service of entertainment content. The Digidev application will offer the next generation television highway for users to discover and engage in a variety of content. While also providing a fresh and
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Meet Dinah Mattingly – Larry Bird’s Partner in Life and Loveget joys
Get an intimate look at Dinah Mattingly’s life alongside NBA icon Larry Bird. From their humble beginnings to their life today, discover the love and partnership that have defined their relationship.
Personalizing Tags: A Folksonomy-like Approach for Recommending Movies
1. Outline
Movie Recommendation
Folksonomies
Our Approach
Experiments
Conclusion & Future Work
Personalizing Tags: A Folksonomy-
like Approach for Recommending Movies
Alan Said Benjamin Kille Ernesto W. De Luca
Sahin Albayrak
{alan, kille, deluca, sahin}@dai-lab.de
DAI-Lab
TU-Berlin
HetRec, 2011
HetRec2011 :: Said, Kille, De Luca, Albayrak Personalizing Tags 1 / 18
2. Outline
Movie Recommendation
Folksonomies
Our Approach
Experiments
Conclusion & Future Work
Outline
Movie Recommendation
Folksonomies
Our Approach
Experiments
Conclusion & Future Work
HetRec2011 :: Said, Kille, De Luca, Albayrak Personalizing Tags 2 / 18
3. Outline
Movie Recommendation
Folksonomies
Our Approach
Experiments
Conclusion & Future Work
Abstract
Problem: How to simply use semantic data (tags, genres, etc.) in
usage-based collaborative filtering?
Aim: To provide a basic model of hybridization without adding
algorithmic complexity to a collaborative filtering recommender
system.
HetRec2011 :: Said, Kille, De Luca, Albayrak Personalizing Tags 3 / 18
4. Outline
Movie Recommendation
Folksonomies
Our Approach
Experiments
Conclusion & Future Work
Movie Recommendation
Traditional approach: Use users’ rating to find nearest
neighbors/latent factors/etc.
HetRec2011 :: Said, Kille, De Luca, Albayrak Personalizing Tags 4 / 18
5. Outline
Movie Recommendation
Folksonomies
Our Approach
Experiments
Conclusion & Future Work
Movie Recommendation
Traditional approach: Use users’ rating to find nearest
neighbors/latent factors/etc.
Traditional hybrid approach: Combine two or more parallel
algorithms.
HetRec2011 :: Said, Kille, De Luca, Albayrak Personalizing Tags 4 / 18
6. Outline
Movie Recommendation
Folksonomies
Our Approach
Experiments
Conclusion & Future Work
Movie Recommendation
Traditional approach: Use users’ rating to find nearest
neighbors/latent factors/etc.
Traditional hybrid approach: Combine two or more parallel
algorithms.
Our Approach:
Combine several data sources prior to recommendation process
- uses one algorithm.
Keep implementational effort low - allow easy implementation
in existing system.
HetRec2011 :: Said, Kille, De Luca, Albayrak Personalizing Tags 4 / 18
7. Outline
Movie Recommendation
Folksonomies
Our Approach
Experiments
Conclusion & Future Work
Definition
Definition: the result of personal free tagging of information and
objects . . . for ones own retrieval
[Vander Wal, 2004]
Tags offer a short content-related description of items to which
they are assigned.
HetRec2011 :: Said, Kille, De Luca, Albayrak Personalizing Tags 5 / 18
8. Outline
Movie Recommendation
Folksonomies
Our Approach
Experiments
Conclusion & Future Work
Relevance?
So..how is this relevant to movie
recommendation?
HetRec2011 :: Said, Kille, De Luca, Albayrak Personalizing Tags 6 / 18
9. Outline
Movie Recommendation
Folksonomies
Our Approach
Experiments
Conclusion & Future Work
Relevance?
Our movies have tags, e.g. categorized with tags from five cate-
gories:
Moods
Places
Times
Intended Audiences
Plots
HetRec2011 :: Said, Kille, De Luca, Albayrak Personalizing Tags 7 / 18
10. Outline
Movie Recommendation
Folksonomies
Our Approach
Experiments
Conclusion & Future Work
Relevance?
HetRec2011 :: Said, Kille, De Luca, Albayrak Personalizing Tags 7 / 18
11. Outline
Movie Recommendation
Folksonomies
Our Approach
Experiments
Conclusion & Future Work
Not quite a folksonomy
We have a problem: Tags are not personalized - they are
given to movies by a set of experts
HetRec2011 :: Said, Kille, De Luca, Albayrak Personalizing Tags 8 / 18
12. Outline
Movie Recommendation
Folksonomies
Our Approach
Experiments
Conclusion & Future Work
Not quite a folksonomy
We have a problem: Tags are not personalized - they are
given to movies by a set of experts
We solve it: Tags are assigned ratings
HetRec2011 :: Said, Kille, De Luca, Albayrak Personalizing Tags 8 / 18
13. Outline
Movie Recommendation
Folksonomies
Our Approach
Experiments
Conclusion & Future Work
Personalizing Tags
For each user, calculate the
average rating for each tag
based on the rating given to
movies with each tag.
HetRec2011 :: Said, Kille, De Luca, Albayrak Personalizing Tags 9 / 18
14. Outline
Movie Recommendation
Folksonomies
Our Approach
Experiments
Conclusion & Future Work
Personalizing Tags
For each user, calculate the
average rating for each tag
based on the rating given to
movies with each tag.
Little added effort if made
at the time of the rating.
HetRec2011 :: Said, Kille, De Luca, Albayrak Personalizing Tags 9 / 18
15. Outline
Movie Recommendation
Folksonomies
Our Approach
Experiments
Conclusion & Future Work
Using tag ratings
Append tag ratings to the user-movie matrix:
HetRec2011 :: Said, Kille, De Luca, Albayrak Personalizing Tags 10 / 18
16. Outline
Movie Recommendation
Folksonomies
Our Approach
Experiments
Conclusion & Future Work
Dataset
www.moviepilot.de tag category # of elements % rating coverage
840 users Emotion 16 61.85
15, 613 movies Intended Audience 12 35.50
Place 763 75.39
33, 061 movie ratings
Plot 5,565 90.00
6, 580 tags
Time 224 64.02
HetRec2011 :: Said, Kille, De Luca, Albayrak Personalizing Tags 11 / 18
18. Outline
Movie Recommendation
Folksonomies
Our Approach
Experiments
Conclusion & Future Work
Recommender
Collaborative Filtering kNN
50-fold random cross validation
HetRec2011 :: Said, Kille, De Luca, Albayrak Personalizing Tags 13 / 18
19. Outline
Movie Recommendation
Folksonomies
Our Approach
Experiments
Conclusion & Future Work
Results
9,0E-5
2850%
8,0E-5
2500%
7,0E-5
Mean Average Precision
6,0E-5
5,0E-5
4,0E-5
3,0E-5
2,0E-5
1,0E-5 207% 296%
100% 162% 153%
0,0E+0
baseline emotion audience place plot time all
HetRec2011 :: Said, Kille, De Luca, Albayrak Personalizing Tags 14 / 18
20. Outline
Movie Recommendation
Folksonomies
Our Approach
Experiments
Conclusion & Future Work
Conclusion & Future Work
Conclusion
Simple additions to traditional algorithms generate large
improvements
Future Work
Combinations of tags and time
Tag-based recommendations for cold start users
HetRec2011 :: Said, Kille, De Luca, Albayrak Personalizing Tags 15 / 18
21. Outline
Movie Recommendation
Folksonomies
Our Approach
Experiments
Conclusion & Future Work
Thank you!
Questions?
HetRec2011 :: Said, Kille, De Luca, Albayrak Personalizing Tags 16 / 18
22. Outline
Movie Recommendation
Folksonomies
Our Approach
Experiments
Conclusion & Future Work
CaRR2012
2nd Workshop on Context-awareness 2nd Workshop on Context-awareness
in Retrieval and Recommendation in in Retrieval and Recommendation
in Conjunction with IUI 2012, Lisbon, Portugal
conjunction IUI 2012.
Content and Goals of CaRR 2012
Context-aware information is widely available in various ways and is be-
Submission deadline: Dec. 2011 coming more and more important for enhancing retrieval performance
and recommendation results. The current main issue to cope with is not
only recommending or retrieving the most relevant items and content,
but defining them ad hoc. Further relevant issues are personalizing and
When: February 14th, 2012 adapting the information and the way it is displayed to the user’s cur-
rent situation and interests. Ubiquitous computing furher provides new
means for capturing user feedback on items and providing information.
Where: Lisbon, Portugal The aim of the 2nd Workshop on Context-awareness in Retrieval and
Recommendation is to invite the community to discuss new creative
ways to handle context-awareness. Furthermore, the workshop aims
on exchanging new ideas between different communities involved in
URL: www.carr-workshop.org research, such as HCI, machine learning, information retrieval and rec-
ommendation.
Twitter: @CaRRws Important Dates (tentative)
n Submission: End of Dec 2012
Program Committe (tentative)
Omar Alonso • Linas Baltrunas • Li
n Notification: tbd Chen • Brijnesh-Johannes Jain •
n Camera Ready: tbd Dietmar Jannach • Alexandros
n Workshop: February 14, 2012 Karatzoglou • Carsten Kessler •
Antonio Krüger • Michael Kruppa
Further Information • Ulf Leser • Pasquale Lops • Till
nWeb: http://carr-workshop.org Plumbaum • Francesco Ricci •
nE-Mail: info@carr-workshop.org Markus Schedl (to be extended)
nTwitter: @CaRRws
Chairs
n Ernesto de Luca, TU Berlin
n Matthias Böhmer, DFKI
n Alan Said, TU Berlin
n Ed Chi, Google
HetRec2011 :: Said, Kille, De Luca, Albayrak Personalizing Tags 17 / 18
23. Outline
Movie Recommendation
Folksonomies
Our Approach
Experiments
Conclusion & Future Work
RecSysWiki
www.recsyswiki.com
HetRec2011 :: Said, Kille, De Luca, Albayrak Personalizing Tags 18 / 18