Web performance is good, understanding performance is better.
What you need to understand in order to be able to have IT systems that perform well at a reasonable cost.
This document discusses association rule learning, which is used to discover interesting relationships between variables in large databases. Association rule learning is commonly used for market basket analysis to find rules for commonly purchased items. For example, a rule may show that customers who buy onions and potatoes also tend to buy hamburger meat. Association rules are now used in many applications including web usage mining, intrusion detection, production processes, and bioinformatics. Unlike sequence mining, association rule learning does not consider the order of items within transactions or across transactions.
The document provides an introduction to Bayesian inverse theory and its applications in subsurface characterization and reservoir modeling. It discusses how Bayesian inversion can be used to estimate reservoir properties like porosity and saturation from seismic data by treating the inverse problem as estimating the posterior distribution given prior information and measurements. It also describes how the method can be extended to handle multimodal distributions using Gaussian mixture models. Further applications discussed include time-lapse inversion to estimate property changes over time and history matching to update reservoir models based on production data.
This document discusses the potential applications of geothermal energy systems in mining. It describes how geothermal systems work by exchanging heat with the ground through open or closed loop systems. Several existing examples of geothermal systems at mines are provided, using mine water, flooded workings, or dewatering pumping to heat and cool nearby buildings. Potential applications on mining projects are identified during exploration, operation, closure and post-closure phases. Challenges to greater adoption include high costs and lack of focus on energy issues by mining companies, but opportunities exist to promote geothermal's benefits to both communities near legacy mines and active mining companies.
Data mining- Association Analysis -market basketSwapnil Soni
This document analyzes consumer transaction data using association rule mining to understand purchasing patterns. It pre-processes the sparse dataset by pruning items with less than 2% support. Association rules are generated at different support and confidence levels, with more rules found at lower thresholds. The top rules show related purchases. A decision tree also predicts dairy purchases, with some common rules between the unsupervised and supervised models. Association mining is recommended for market basket analysis due to its ability to handle sparse data and generate simple, interpretable rules for cross-selling opportunities.
The document discusses the results of a study on the impact of COVID-19 lockdowns on air pollution. Researchers analyzed data from dozens of countries and found that lockdowns led to an average decline of nearly 30% in nitrogen dioxide levels over cities. However, they also observed that this improvement was temporary and air pollution rebounded once lockdowns were lifted as vehicle traffic increased again. Overall, the study highlights how lockdowns can provide short-term improvements to air quality but sustained, long-term reductions require permanent policy and behavioral changes.
Web performance is good, understanding performance is better.
What you need to understand in order to be able to have IT systems that perform well at a reasonable cost.
This document discusses association rule learning, which is used to discover interesting relationships between variables in large databases. Association rule learning is commonly used for market basket analysis to find rules for commonly purchased items. For example, a rule may show that customers who buy onions and potatoes also tend to buy hamburger meat. Association rules are now used in many applications including web usage mining, intrusion detection, production processes, and bioinformatics. Unlike sequence mining, association rule learning does not consider the order of items within transactions or across transactions.
The document provides an introduction to Bayesian inverse theory and its applications in subsurface characterization and reservoir modeling. It discusses how Bayesian inversion can be used to estimate reservoir properties like porosity and saturation from seismic data by treating the inverse problem as estimating the posterior distribution given prior information and measurements. It also describes how the method can be extended to handle multimodal distributions using Gaussian mixture models. Further applications discussed include time-lapse inversion to estimate property changes over time and history matching to update reservoir models based on production data.
This document discusses the potential applications of geothermal energy systems in mining. It describes how geothermal systems work by exchanging heat with the ground through open or closed loop systems. Several existing examples of geothermal systems at mines are provided, using mine water, flooded workings, or dewatering pumping to heat and cool nearby buildings. Potential applications on mining projects are identified during exploration, operation, closure and post-closure phases. Challenges to greater adoption include high costs and lack of focus on energy issues by mining companies, but opportunities exist to promote geothermal's benefits to both communities near legacy mines and active mining companies.
Data mining- Association Analysis -market basketSwapnil Soni
This document analyzes consumer transaction data using association rule mining to understand purchasing patterns. It pre-processes the sparse dataset by pruning items with less than 2% support. Association rules are generated at different support and confidence levels, with more rules found at lower thresholds. The top rules show related purchases. A decision tree also predicts dairy purchases, with some common rules between the unsupervised and supervised models. Association mining is recommended for market basket analysis due to its ability to handle sparse data and generate simple, interpretable rules for cross-selling opportunities.
The document discusses the results of a study on the impact of COVID-19 lockdowns on air pollution. Researchers analyzed data from dozens of countries and found that lockdowns led to an average decline of nearly 30% in nitrogen dioxide levels over cities. However, they also observed that this improvement was temporary and air pollution rebounded once lockdowns were lifted as vehicle traffic increased again. Overall, the study highlights how lockdowns can provide short-term improvements to air quality but sustained, long-term reductions require permanent policy and behavioral changes.
The document is about a song titled "Japanese Boy" by the artist Aneka. It provides the title and artist of the song being played, as well as instructions that the listener can continue listening to the music or press 'Esc' to exit it.
The document provides a list of 98 pesticide active ingredients prohibited for use on Rainforest Alliance Certified farms. The list is based on pesticides banned or restricted by the EPA, European Union, Stockholm Convention, Rotterdam Convention, and Pesticide Action Network. 84 substances have been prohibited since 2005, while 14 others will be phased out by 2011. The list is intended to update the criteria for prohibited pesticides in the Sustainable Agriculture Standard.
Mrs. Stone taught her 3rd grade class a lesson about shapes found around the school. She had the students go out in small groups and use a digital camera to take pictures of different shapes they observed. The students enjoyed this active learning activity and were able to use the camera with no instruction. Mrs. Stone used the pictures taken to create a class book identifying the various shapes. The digital camera helped engage the students and focus their search, and allowed Mrs. Stone to create additional learning materials without requiring the students to draw pictures by hand.
This document summarizes how the consulting group Bond used Google products like Calendar, Docs, and Sites to coordinate schedules, collaborate on documents, and create a central intranet. It describes how these tools helped Bond improve meeting attendance, organization, collaboration and access to resources. The Google tools allowed Bond to coordinate the schedules of 27 students and share information more easily across different computers.
This document provides an overview of adult traumatic brain injuries including the anatomy and physiology of the brain, mechanisms of injury, types of injuries, management, and rehabilitation. It describes the components of the head and brain affected by injuries such as the scalp, skull, meninges, brain tissue, blood vessels and cerebral spinal fluid. The document also outlines the normal functions of different areas of the brain and discusses primary and secondary brain injuries as well as various types of herniations that can occur.
This article examines how women are portrayed in print advertisements. The authors analyzed over 58 magazines to determine how often women were depicted as sex objects, victims, or aggressors. They found that about half of all advertisements featuring women portrayed them as sex objects. Around 10% showed women as victims, often simultaneously as victims and sex objects. Approximately 7% depicted women as aggressors, usually also as aggressors and sex objects. The study was limited by excluding certain magazines and not considering trends in the number of women's images or other ad formats.
Bon Secours research on Young Families and the Economy of Mar 09, including a literature review and Bon Secours proprietary findings. Please credit Bon Secours Health System.
Mrs. Stone taught her 3rd grade class a lesson about shapes found around the school. She had the students go out in small groups and use a digital camera to take pictures of different shapes they observed. The students enjoyed this active learning activity and were able to use the camera with no instruction. Mrs. Stone used the pictures taken to create a class book identifying the various shapes. The digital camera helped engage the students and focus their search, and allowed Mrs. Stone to create additional learning materials without requiring the students to draw pictures by hand.
The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive functioning. Exercise boosts blood flow, releases endorphins, and promotes changes in the brain which help regulate emotions and stress levels.
The document is about a song titled "Japanese Boy" by the artist Aneka. It provides the title and artist of the song being played, as well as instructions that the listener can continue listening to the music or press 'Esc' to exit it.
The document provides a list of 98 pesticide active ingredients prohibited for use on Rainforest Alliance Certified farms. The list is based on pesticides banned or restricted by the EPA, European Union, Stockholm Convention, Rotterdam Convention, and Pesticide Action Network. 84 substances have been prohibited since 2005, while 14 others will be phased out by 2011. The list is intended to update the criteria for prohibited pesticides in the Sustainable Agriculture Standard.
Mrs. Stone taught her 3rd grade class a lesson about shapes found around the school. She had the students go out in small groups and use a digital camera to take pictures of different shapes they observed. The students enjoyed this active learning activity and were able to use the camera with no instruction. Mrs. Stone used the pictures taken to create a class book identifying the various shapes. The digital camera helped engage the students and focus their search, and allowed Mrs. Stone to create additional learning materials without requiring the students to draw pictures by hand.
This document summarizes how the consulting group Bond used Google products like Calendar, Docs, and Sites to coordinate schedules, collaborate on documents, and create a central intranet. It describes how these tools helped Bond improve meeting attendance, organization, collaboration and access to resources. The Google tools allowed Bond to coordinate the schedules of 27 students and share information more easily across different computers.
This document provides an overview of adult traumatic brain injuries including the anatomy and physiology of the brain, mechanisms of injury, types of injuries, management, and rehabilitation. It describes the components of the head and brain affected by injuries such as the scalp, skull, meninges, brain tissue, blood vessels and cerebral spinal fluid. The document also outlines the normal functions of different areas of the brain and discusses primary and secondary brain injuries as well as various types of herniations that can occur.
This article examines how women are portrayed in print advertisements. The authors analyzed over 58 magazines to determine how often women were depicted as sex objects, victims, or aggressors. They found that about half of all advertisements featuring women portrayed them as sex objects. Around 10% showed women as victims, often simultaneously as victims and sex objects. Approximately 7% depicted women as aggressors, usually also as aggressors and sex objects. The study was limited by excluding certain magazines and not considering trends in the number of women's images or other ad formats.
Bon Secours research on Young Families and the Economy of Mar 09, including a literature review and Bon Secours proprietary findings. Please credit Bon Secours Health System.
Mrs. Stone taught her 3rd grade class a lesson about shapes found around the school. She had the students go out in small groups and use a digital camera to take pictures of different shapes they observed. The students enjoyed this active learning activity and were able to use the camera with no instruction. Mrs. Stone used the pictures taken to create a class book identifying the various shapes. The digital camera helped engage the students and focus their search, and allowed Mrs. Stone to create additional learning materials without requiring the students to draw pictures by hand.
The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive functioning. Exercise boosts blood flow, releases endorphins, and promotes changes in the brain which help regulate emotions and stress levels.
5. Примеры изображений с выделенными лицами Исходный алгоритм С использованием детектора кожи Модификация алгоритма Viola-Jones на основе детектирования цвета кожи
6. Примеры изображений с выделенной кожей Модификация алгоритма Viola-Jones на основе детектирования цвета кожи
7.
8. Результаты экспериментов Scale = 1,3 Модификация алгоритма Viola-Jones на основе детектирования цвета кожи Тестируемый алгоритм Число выделенных лиц Число ложных срабатываний Только яркость 149 23 STDR = 0,3 139 1 STDR = 0,5 115 2
9. Результаты экспериментов Scale = 1 Модификация алгоритма Viola-Jones на основе детектирования цвета кожи Тестируемый алгоритм Число выделенных лиц Число ложных срабатываний Только яркость 171 32 STDR = 0,3 157 9 STDR = 0,5 135 5 STDR = 0,3 (Alt3) 133 4
10. Недостатки алгоритма Модификация алгоритма Viola-Jones на основе детектирования цвета кожи Лица находятся в тени Не учитывает многообразия возможных цветов