My slides from the Big Data and The Earth Sciences: Grand Challenges Workshop on May 31st, 2017. Workshop link: http://prp.ucsd.edu/events/big-data-and-the-earth-science-grand-challenges-workshop
CTO Perspectives: What's Next for Data Management and Healthcare?Health Catalyst
Health Catalyst's Chief Technology Officer, Bryan Hinton, shares his perspective, thoughts, and insights on new and emerging trends for data management in healthcare. Bryan offers a brief presentation on what hospitals and healthcare systems can expect, followed by an extended Q&A.
Data Science: An Emerging Field for Future JobsJian Qin
Data deluge has become a reality in today's scientific research. What does it mean to future science workforce? How can you prepare yourself to embrace the data challenges and opportunities? This presentation will provide you with an overview of data science and what it means to you as future researchers and career scientists.
Big Data is een hype. Je hoort er iedereen mee zwaaien als de Big Thing van vandaag en tot morgen. Ondanks deze Buzz is het voor ons technische mensen meer en meer een realiteit. Het zal weldra zijn vaste plaats hebben in onze gereedschapskist.
In deze sessie bekijken we wat Big Data echt is en wat je moet weten om de Big Data vragen van je klant technisch te beantwoorden.
Naast de betekenis, de verscheidene disciplines, een overzicht en architectuur gaan we ook een aantal technologieen kort van dichtbij bekijken.
- Hadoop, de computing engine, de omgeving en al zijn sattelieten.
- Neo4j, de graph database.
- ElasticSearch, de search database.
Data Science and Big Data Analytics are everywhere. They are buzzwords that everyone is talking about. Garnet even released Hype Cycle for Data Science in July this year. And yet, many people are still confused as to what data science and big data analytics are and why they will become the new black!
This slide focuses on the core concepts and clarify the mis-understanding of those myths.
CTO Perspectives: What's Next for Data Management and Healthcare?Health Catalyst
Health Catalyst's Chief Technology Officer, Bryan Hinton, shares his perspective, thoughts, and insights on new and emerging trends for data management in healthcare. Bryan offers a brief presentation on what hospitals and healthcare systems can expect, followed by an extended Q&A.
Data Science: An Emerging Field for Future JobsJian Qin
Data deluge has become a reality in today's scientific research. What does it mean to future science workforce? How can you prepare yourself to embrace the data challenges and opportunities? This presentation will provide you with an overview of data science and what it means to you as future researchers and career scientists.
Big Data is een hype. Je hoort er iedereen mee zwaaien als de Big Thing van vandaag en tot morgen. Ondanks deze Buzz is het voor ons technische mensen meer en meer een realiteit. Het zal weldra zijn vaste plaats hebben in onze gereedschapskist.
In deze sessie bekijken we wat Big Data echt is en wat je moet weten om de Big Data vragen van je klant technisch te beantwoorden.
Naast de betekenis, de verscheidene disciplines, een overzicht en architectuur gaan we ook een aantal technologieen kort van dichtbij bekijken.
- Hadoop, de computing engine, de omgeving en al zijn sattelieten.
- Neo4j, de graph database.
- ElasticSearch, de search database.
Data Science and Big Data Analytics are everywhere. They are buzzwords that everyone is talking about. Garnet even released Hype Cycle for Data Science in July this year. And yet, many people are still confused as to what data science and big data analytics are and why they will become the new black!
This slide focuses on the core concepts and clarify the mis-understanding of those myths.
Short summary of guest lecture to students of the “Master of Information Management” program of the Tias Nimbas Business School, on how Philips IT participates in developing new digital propositions in co-creation with our Philips businesses. About innovation, transformation, new approaches and core competences.
Massive-Scale Analytics Applied to Real-World Problemsinside-BigData.com
In this deck from PASC18, David Bader from Georgia Tech presents: Massive-Scale Analytics Applied to Real-World Problems.
"Emerging real-world graph problems include: detecting and preventing disease in human populations; revealing community structure in large social networks; and improving the resilience of the electric power grid. Unlike traditional applications in computational science and engineering, solving these social problems at scale often raises new challenges because of the sparsity and lack of locality in the data, the need for research on scalable algorithms and development of frameworks for solving these real-world problems on high performance computers, and for improved models that capture the noise and bias inherent in the torrential data streams. In this talk, Bader will discuss the opportunities and challenges in massive data-intensive computing for applications in social sciences, physical sciences, and engineering."
Watch the video: https://wp.me/p3RLHQ-iPk
Learn more: https://pasc18.pasc-conference.org/
Sign up for our insideHPC Newsletter: http://insidehpc.com/newsletter
On this slides, we tried to give an overview of advanced Data quality management (ADQM). To understand about DQ why important, and all those steps of DQ management.
Access the webinar: http://goo.gl/p08pTz
These slides were presented in a webinar by Denodo in collaboration with BioStorage Technologies and Indiana Clinical and Translational Sciences Institute and Regenstrief Institute.
BioStorage Technologies, Inc., Indiana Clinical and Translational Sciences Institute, and Regenstrief Institute (CTSI) have joined Denodo to talk about the important role of technological advancements, such as data virtualization, in advancing biospecimen research.
By watching this webinar, you can gain insight into best practices around the integration of biospecimen and research data as well as technology solutions that provide consolidated views and rapid conversions of this data into valuable business insights. You will also learn how data virtualization can assist with the integration of data residing in heterogeneous repositories and can securely deliver aggregated data in real-time.
Big Data As a service - Sethuonline.com | Sathyabama University Chennaisethuraman R
An Efficient Framework for Data As A Service in Hadoop EcoSystem.
R.Sethuraman M.E,(PhD).,
Assistant Professor,
Faculty of Computing,
Dept of Computer Science Engineering,
Sathyabama University
http://Sethuonline.com
Hadoop and Data Virtualization - A Case Study by VHADenodo
Access to full webinar: http://goo.gl/dQjxRe
This webinar by Hortonworks, VHA and Denodo provides information about the functionalities and benefits of Hadoop in Modern Data Architectures; how Hadoop along with data virtualization simplify data management and enable faster data discovery; and what data virtualization can offer in big data projects. VHA explains how they deployed data virtualization and Hadoop together and presents their lessons learned and best practices for data lake and data virtualization deployment.
What you till learn:
GOALS - What is the bar for data science teams
PITFALLS - What are common data science struggles
DIAGNOSES - Why so many of our efforts fail to deliver value
RECOMMENDATIONS - How to address these struggles with best practices
Presented by Mac Steele
Director of Product at Domino Data Lab
PAARL's 1st Marina G. Dayrit Lecture Series held at UP's Melchor Hall, 5F, Proctor & Gamble Audiovisual Hall, College of Engineering, on 3 March 2017, with Albert Anthony D. Gavino of Smart Communications Inc. as resource speaker on the topic "Using Big Data to Enhance Library Services"
Platform for Big Data Analytics and Visual Analytics: CSIRO use cases. Februa...Tomasz Bednarz
Presented at the ACEMS workshop at QUT in February 2015.
Credits: whole project team (names listed in the first slide).
Approved by CSIRO to be shared externally.
Leading organizations today all have data scientists and analytics teams. A key challenge is establishing cross-functional teams that can collaboratively derive insights from data and move exploratory interactive analytics into automated production systems. Boston Consulting Group, founded on quantitative decision making, guides global F500 companies in the technical and organizational structures that will provide a foundation for agility, innovation, and competitive advantage. This talk will outline key strategies for building effective cloud-native analytics teams.
[Infographic] Uniting Internet of Things and Big DataSnapLogic
Recent data from Enterprise Management Associates and 9sight Consulting surveyed 351 diverse business and technology professionals to provide their insights on big data strategies and implementation practices, including Internet of Things strategies and implementations.
To learn more, visit: www.snaplogic.com/big-data
How I Learned to Stop Worrying and Love Linked DataDomino Data Lab
In this presentation, Jon Loyens will share:
-Best practices for sharing context and knowledge about your data projects
-How linked data can augment your existing data science workflow and toolchain to accelerate your work
-How a social network can unlock power of Linked Data and data collaboration
-How Linked Data can help you easily combine private and Open Data for fun and profit
High Performance Data Analytics and a Java Grande Run TimeGeoffrey Fox
There is perhaps a broad consensus as to important issues in practical parallel computing as applied to large scale simulations; this is reflected in supercomputer architectures, algorithms, libraries, languages, compilers and best practice for application development.
However the same is not so true for data intensive even though commercially clouds devote many more resources to data analytics than supercomputers devote to simulations.
Here we use a sample of over 50 big data applications to identify characteristics of data intensive applications and to deduce needed runtime and architectures.
We propose a big data version of the famous Berkeley dwarfs and NAS parallel benchmarks.
Our analysis builds on the Apache software stack that is well used in modern cloud computing.
We give some examples including clustering, deep-learning and multi-dimensional scaling.
One suggestion from this work is value of a high performance Java (Grande) runtime that supports simulations and big data
Considerations and challenges in building an end to-end microbiome workflowEagle Genomics
Many of the data management and analysis challenges in microbiome research are shared with genomics and other life-science big-data disciplines. However there are aspects that are specific: some are intrinsic to microbiome data, some are related to the maturity of the field, with others related to extracting business value from the data.
Short summary of guest lecture to students of the “Master of Information Management” program of the Tias Nimbas Business School, on how Philips IT participates in developing new digital propositions in co-creation with our Philips businesses. About innovation, transformation, new approaches and core competences.
Massive-Scale Analytics Applied to Real-World Problemsinside-BigData.com
In this deck from PASC18, David Bader from Georgia Tech presents: Massive-Scale Analytics Applied to Real-World Problems.
"Emerging real-world graph problems include: detecting and preventing disease in human populations; revealing community structure in large social networks; and improving the resilience of the electric power grid. Unlike traditional applications in computational science and engineering, solving these social problems at scale often raises new challenges because of the sparsity and lack of locality in the data, the need for research on scalable algorithms and development of frameworks for solving these real-world problems on high performance computers, and for improved models that capture the noise and bias inherent in the torrential data streams. In this talk, Bader will discuss the opportunities and challenges in massive data-intensive computing for applications in social sciences, physical sciences, and engineering."
Watch the video: https://wp.me/p3RLHQ-iPk
Learn more: https://pasc18.pasc-conference.org/
Sign up for our insideHPC Newsletter: http://insidehpc.com/newsletter
On this slides, we tried to give an overview of advanced Data quality management (ADQM). To understand about DQ why important, and all those steps of DQ management.
Access the webinar: http://goo.gl/p08pTz
These slides were presented in a webinar by Denodo in collaboration with BioStorage Technologies and Indiana Clinical and Translational Sciences Institute and Regenstrief Institute.
BioStorage Technologies, Inc., Indiana Clinical and Translational Sciences Institute, and Regenstrief Institute (CTSI) have joined Denodo to talk about the important role of technological advancements, such as data virtualization, in advancing biospecimen research.
By watching this webinar, you can gain insight into best practices around the integration of biospecimen and research data as well as technology solutions that provide consolidated views and rapid conversions of this data into valuable business insights. You will also learn how data virtualization can assist with the integration of data residing in heterogeneous repositories and can securely deliver aggregated data in real-time.
Big Data As a service - Sethuonline.com | Sathyabama University Chennaisethuraman R
An Efficient Framework for Data As A Service in Hadoop EcoSystem.
R.Sethuraman M.E,(PhD).,
Assistant Professor,
Faculty of Computing,
Dept of Computer Science Engineering,
Sathyabama University
http://Sethuonline.com
Hadoop and Data Virtualization - A Case Study by VHADenodo
Access to full webinar: http://goo.gl/dQjxRe
This webinar by Hortonworks, VHA and Denodo provides information about the functionalities and benefits of Hadoop in Modern Data Architectures; how Hadoop along with data virtualization simplify data management and enable faster data discovery; and what data virtualization can offer in big data projects. VHA explains how they deployed data virtualization and Hadoop together and presents their lessons learned and best practices for data lake and data virtualization deployment.
What you till learn:
GOALS - What is the bar for data science teams
PITFALLS - What are common data science struggles
DIAGNOSES - Why so many of our efforts fail to deliver value
RECOMMENDATIONS - How to address these struggles with best practices
Presented by Mac Steele
Director of Product at Domino Data Lab
PAARL's 1st Marina G. Dayrit Lecture Series held at UP's Melchor Hall, 5F, Proctor & Gamble Audiovisual Hall, College of Engineering, on 3 March 2017, with Albert Anthony D. Gavino of Smart Communications Inc. as resource speaker on the topic "Using Big Data to Enhance Library Services"
Platform for Big Data Analytics and Visual Analytics: CSIRO use cases. Februa...Tomasz Bednarz
Presented at the ACEMS workshop at QUT in February 2015.
Credits: whole project team (names listed in the first slide).
Approved by CSIRO to be shared externally.
Leading organizations today all have data scientists and analytics teams. A key challenge is establishing cross-functional teams that can collaboratively derive insights from data and move exploratory interactive analytics into automated production systems. Boston Consulting Group, founded on quantitative decision making, guides global F500 companies in the technical and organizational structures that will provide a foundation for agility, innovation, and competitive advantage. This talk will outline key strategies for building effective cloud-native analytics teams.
[Infographic] Uniting Internet of Things and Big DataSnapLogic
Recent data from Enterprise Management Associates and 9sight Consulting surveyed 351 diverse business and technology professionals to provide their insights on big data strategies and implementation practices, including Internet of Things strategies and implementations.
To learn more, visit: www.snaplogic.com/big-data
How I Learned to Stop Worrying and Love Linked DataDomino Data Lab
In this presentation, Jon Loyens will share:
-Best practices for sharing context and knowledge about your data projects
-How linked data can augment your existing data science workflow and toolchain to accelerate your work
-How a social network can unlock power of Linked Data and data collaboration
-How Linked Data can help you easily combine private and Open Data for fun and profit
High Performance Data Analytics and a Java Grande Run TimeGeoffrey Fox
There is perhaps a broad consensus as to important issues in practical parallel computing as applied to large scale simulations; this is reflected in supercomputer architectures, algorithms, libraries, languages, compilers and best practice for application development.
However the same is not so true for data intensive even though commercially clouds devote many more resources to data analytics than supercomputers devote to simulations.
Here we use a sample of over 50 big data applications to identify characteristics of data intensive applications and to deduce needed runtime and architectures.
We propose a big data version of the famous Berkeley dwarfs and NAS parallel benchmarks.
Our analysis builds on the Apache software stack that is well used in modern cloud computing.
We give some examples including clustering, deep-learning and multi-dimensional scaling.
One suggestion from this work is value of a high performance Java (Grande) runtime that supports simulations and big data
Considerations and challenges in building an end to-end microbiome workflowEagle Genomics
Many of the data management and analysis challenges in microbiome research are shared with genomics and other life-science big-data disciplines. However there are aspects that are specific: some are intrinsic to microbiome data, some are related to the maturity of the field, with others related to extracting business value from the data.
Applying Big Data Superpowers to HealthcarePaul Boal
When I see a data analyst quickly transform and drill through a new pile of data to uncover a keen insight, I feel like I'm watching a new movie from the Marvel universe. If you haven't explored and learned to apply cloud, big data, streaming data, and rapid analytics techniques, then you haven't uncovered your superpowers, yet. Here's how you can get started.
Why Your Data Science Architecture Should Include a Data Virtualization Tool ...Denodo
Watch full webinar here: https://bit.ly/35FUn32
Presented at CDAO New Zealand
Advanced data science techniques, like machine learning, have proven an extremely useful tool to derive valuable insights from existing data. Platforms like Spark, and complex libraries for R, Python, and Scala put advanced techniques at the fingertips of the data scientists.
However, most architecture laid out to enable data scientists miss two key challenges:
- Data scientists spend most of their time looking for the right data and massaging it into a usable format
- Results and algorithms created by data scientists often stay out of the reach of regular data analysts and business users
Watch this session on-demand to understand how data virtualization offers an alternative to address these issues and can accelerate data acquisition and massaging. And a customer story on the use of Machine Learning with data virtualization.
2013 DataCite Summer Meeting - DOIs and Supercomputing (Terry Jones - Oak Rid...datacite
2013 DataCite Summer Meeting - Making Research better
DataCite. Co-sponsored by CODATA.
Thursday, 19 September 2013 at 13:00 - Friday, 20 September 2013 at 12:30
Washington, DC. National Academy of Sciences
http://datacite.eventbrite.co.uk/
Advanced Analytics and Machine Learning with Data Virtualization (India)Denodo
Watch full webinar here: https://bit.ly/3dMN503
Advanced data science techniques, like machine learning, have proven an extremely useful tool to derive valuable insights from existing data. Platforms like Spark, and complex libraries for R, Python, and Scala put advanced techniques at the fingertips of the data scientists. However, these data scientists spend most of their time looking for the right data and massaging it into a usable format. Data virtualization offers a new alternative to address these issues in a more efficient and agile way.
Watch this session to learn how companies can use data virtualization to:
- Create a logical architecture to make all enterprise data available for advanced analytics exercise
- Accelerate data acquisition and massaging, providing the data scientist with a powerful tool to complement their practice
- Integrate popular tools from the data science ecosystem: Spark, Python, Zeppelin, Jupyter, etc
Data science training in hyd ppt converted (1)SayyedYusufali
Data Science Online Training In HA comprehensive up-to-date Data Science course that includes all the essential topics of the Data Science domain, presented in a well-thought-out structure.
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Overview of Data Science Courses Online
A comprehensive up-to-date Data Science course that includes all the essential topics of the Data Science domain, presented in a well-thought-out structure.
Taught and developed by experienced and certified data professionals, the course goes right from collecting raw digital data to presenting it visually. Suitable for those with computer backgrounds, analytic mindset, and coding knowledge.
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Grasp the key fundamentals of data science, coding, and machine learning. Develop mastery over essential analytic tools like R, Python, SQL, and more.
Comprehend the crucial steps required to solve real-world data problems and get familiar with the methodology to think and work like a Data Scientist.
Learn to collect, clean, and analyze big data with R. Understand how to employ appropriate modeling and methods of analytics to extract meaningful data for decision making.
Implement clustering methodology, an unsupervised learning method, and a deep neural network (a supervised learning method).
Build a data analysis pipeline, from collection to analysis to presenting data visually.
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Best Tableau Training Institute In Hyderabad is a robust growing data visualization tool that is used in the Business Intelligence Industry. EduXFactor Training helps you to simplify raw data in a straightforward format. The data Analysis is high-speed tracking with Tableau tool presenting creations in dashboards and worksheets
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EduXFactor Tableau course is exclusively designed to help you to learn, practice & explore various tools. This certification will be a stepping -stone to your Business Intelligence journey. Through the entire course, you will get an opportunity to work on varied Tableau active projects Best Tableau Training Institute In Hyderabad
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Data Science Online Training In HA comprehensive up-to-date Data Science course that includes all the essential topics of the Data Science domain, presented in a well-thought-out structure.
Taught and developed by experienced and certified data professionals, the course goes right from collecting raw digital data to presenting it visually. Suitable for those with computer backgrounds, analytic mindset, and coding knowledge.hyderabad Data Science Online Training
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Similar to Workflow-Driven Geoinformatics Applications and Training in the Big Data Era (20)
Present: Our lives, as well as any field of business and society, are continuously transformed by our ability to collect meaningful data in a systematic fashion and turn that into value. We are increasingly more connected to data sources, have unprecedented distributed infrastructure capabilities and continuously improve our scientific and analytical capabilities. A new interest in an evolved field of data science has emerged as a response to the push from these advances.
Potential: The state of the art and present challenges come with many opportunities. They not only push for new and innovative capabilities in composable data management and analytical methods that can run anytime, anywhere but also require methods to bridge the gap between applications and such capabilities. However, we often lack collaborative culture and effective methodologies to translate these newest advances into impactful solution architectures that can transform science, society, and education.
Future: A Collaborative Networked World as a Part of the Data Science Process: Any solution architecture for data science today depends on the effectivity of a multi-disciplinary data science team, not only with humans but also with analytical systems and infrastructure which are inter-related parts of the solution. Focusing on collaboration and communication between people, and dynamic, predictable and programmable interfaces to systems and scalable infrastructure from the beginning of any activity is critical. This talk will provide an overview of some of our recent work on networked application architectures for dynamic data-driven wildfire modeling and smart cities. It will also explain how focusing on (1) some P’s in the planning phases of a data science activity and (2) creating a measurable process that spans multiple perspectives and success metrics was effective in making these solutions scalable. Lastly, it will introduce the PPODS methodology and family of composable tools for a team-based data science process management and training.
Creating a Data Science Ecosystem for Scientific, Societal and Educational Im...Ilkay Altintas, Ph.D.
The new era of data science is here. Our lives and society are continuously transformed by our ability to collect data in a systematic fashion and turn that into value. The opportunities created by this change also comes with challenges that push for new and innovative data management and analytical methods as well as translating these new methods to applications in many areas that impact science, society, and education. Collaboration and ability of multi-disciplinary teams to work together and communicate to bring together the best of their knowledge in business, data and computing is vital for impactful solutions. This talk will discusses a reference ecosystem and question-driven methodology, called PPODS, to make impactful data science applications in many fields with specific examples in hazards, smart cities and biomedical research.
A Maturing Role of Workflows in the Presence of Heterogenous Computing Archit...Ilkay Altintas, Ph.D.
cientific workflows are used by many scientific communities to capture, automate and standardize computational and data practices in science. Workflow-based automation is often achieved through a craft that combines people, process, computational and Big Data platforms, application-specific purpose and programmability, leading to provenance-aware archival and publications of the results. This talk summarizes varying and changing requirements for distributed workflows influenced by Big Data and heterogeneous computing architectures and present a methodology for workflow-driven science based on these maturing requirements.
WorDS of Data Science in the Presence of Heterogenous Computing ArchitecturesIlkay Altintas, Ph.D.
ISUM 2015 Keynote
Summary: Computational and Data Science is about extracting knowledge from data and modeling. This end goal can only be achieved through a craft that combines people, processes, computational and Big Data platforms, application-specific purpose and programmability. Publications and provenance of the data products products leading to these publications are also important. With this in mind, this talk defines a terminology for computational and data science applications, and discuss why focusing on these concepts is important for executability and reproducibility in computational and data science.
Techniques to optimize the pagerank algorithm usually fall in two categories. One is to try reducing the work per iteration, and the other is to try reducing the number of iterations. These goals are often at odds with one another. Skipping computation on vertices which have already converged has the potential to save iteration time. Skipping in-identical vertices, with the same in-links, helps reduce duplicate computations and thus could help reduce iteration time. Road networks often have chains which can be short-circuited before pagerank computation to improve performance. Final ranks of chain nodes can be easily calculated. This could reduce both the iteration time, and the number of iterations. If a graph has no dangling nodes, pagerank of each strongly connected component can be computed in topological order. This could help reduce the iteration time, no. of iterations, and also enable multi-iteration concurrency in pagerank computation. The combination of all of the above methods is the STICD algorithm. [sticd] For dynamic graphs, unchanged components whose ranks are unaffected can be skipped altogether.
06-04-2024 - NYC Tech Week - Discussion on Vector Databases, Unstructured Data and AI
Round table discussion of vector databases, unstructured data, ai, big data, real-time, robots and Milvus.
A lively discussion with NJ Gen AI Meetup Lead, Prasad and Procure.FYI's Co-Found
Data Centers - Striving Within A Narrow Range - Research Report - MCG - May 2...pchutichetpong
M Capital Group (“MCG”) expects to see demand and the changing evolution of supply, facilitated through institutional investment rotation out of offices and into work from home (“WFH”), while the ever-expanding need for data storage as global internet usage expands, with experts predicting 5.3 billion users by 2023. These market factors will be underpinned by technological changes, such as progressing cloud services and edge sites, allowing the industry to see strong expected annual growth of 13% over the next 4 years.
Whilst competitive headwinds remain, represented through the recent second bankruptcy filing of Sungard, which blames “COVID-19 and other macroeconomic trends including delayed customer spending decisions, insourcing and reductions in IT spending, energy inflation and reduction in demand for certain services”, the industry has seen key adjustments, where MCG believes that engineering cost management and technological innovation will be paramount to success.
MCG reports that the more favorable market conditions expected over the next few years, helped by the winding down of pandemic restrictions and a hybrid working environment will be driving market momentum forward. The continuous injection of capital by alternative investment firms, as well as the growing infrastructural investment from cloud service providers and social media companies, whose revenues are expected to grow over 3.6x larger by value in 2026, will likely help propel center provision and innovation. These factors paint a promising picture for the industry players that offset rising input costs and adapt to new technologies.
According to M Capital Group: “Specifically, the long-term cost-saving opportunities available from the rise of remote managing will likely aid value growth for the industry. Through margin optimization and further availability of capital for reinvestment, strong players will maintain their competitive foothold, while weaker players exit the market to balance supply and demand.”
Adjusting OpenMP PageRank : SHORT REPORT / NOTESSubhajit Sahu
For massive graphs that fit in RAM, but not in GPU memory, it is possible to take
advantage of a shared memory system with multiple CPUs, each with multiple cores, to
accelerate pagerank computation. If the NUMA architecture of the system is properly taken
into account with good vertex partitioning, the speedup can be significant. To take steps in
this direction, experiments are conducted to implement pagerank in OpenMP using two
different approaches, uniform and hybrid. The uniform approach runs all primitives required
for pagerank in OpenMP mode (with multiple threads). On the other hand, the hybrid
approach runs certain primitives in sequential mode (i.e., sumAt, multiply).
Workflow-Driven Geoinformatics Applications and Training in the Big Data Era
1. Workflow-Driven Geoinformatics
Applications and Training in the Big Data Era
İlkay ALTINTAŞ, Ph.D.
Chief Data Science Officer, San Diego Supercomputer Center
Founder and Director, Workflows for Data Science Center of Excellence
2. Data Science Today is Both a Big Data and a Big Compute Discipline
BIG DATA
COMPUTING AT
SCALE
Enables dynamic data-driven applications
Smart Manufacturing
Computer-Aided Drug Discovery
Personalized Precision Medicine
Smart Cities
Smart Grid and Energy Management
Disaster Resilience and Response
Requires:
• Data management
• Data-driven methods
• Scalable tools for
dynamic coordination
and resource
optimization
• Skilled interdisciplinary
workforce
New era of
data science!
3. New era of data
science!
Needs and Trends for the New Era Data Science
-- the Big Data Era Goals --
• data-driven
• dynamic
• process-driven
• collaborative
• accountable
• reproducible
• interactive
• heterogeneous
BigData
Insight
Action
Data Science
4. How does successful data science happen?
Insight Data Product
Big Data
Question
Exploratory
Analysis
and
Modeling
Insight
5. Geospatial Big Data
• Flood of new data sources and types
• Needs new data management, storage and analysis
methods
• Too big for a single server, fast growing data volume
• Requires special database structures that can handle
data variety
• Too continuous for analysis at a later time, with
increasing streaming rate, i.e., velocity
• Varying degrees of uncertainty in measurements, and
other veracity issues
• Provides opportunities for scientific understanding at
different scales more than ever, i.e., potential high value
Real-time sensors
Weather forecast
Satellite imagery
Sea Surface Temperature
Measurements
Drone imagery
6. Insights amplify the value of data…
…, but there are many ways to get to insights.
7. What are some challenges to generate
value from geospatial big data?
8. The ‘scalability’ bottleneck
• Resources needed for geospatial big data (e.g., satellite imagery) analysis
exceed current capabilities, especially in an on-demand fashion
• Cloud computing is an attractive on-demand decentralized model
• Need new scheduling capabilities
• on-demand access to a shared configurable resources
• networks, servers, storage, applications, and services
• Need ability to easily combine users environment and community tools together in
a scalable way
• Various tools with different computing scalability needs
• Cost!!!
9. The ‘sensor data’ bottleneck
• Data streaming in at various rates
• “Big Data” by definition in its volume, variety, velocity and viscosity
• Need to improve veracity and add value by providing provenance- and
standards-aware on-the-fly archival capabilities
• QA/QC and automate (real-time) analysis of streaming data before it is even
archived.
• Often low signal-to-noise ratio requiring new methods
• Need for integration of new streaming data technologies
10. The “workforce” bottleneck
• Geospatial data processing requires a lot of expertise
• GIS, domain expertise, data engineering, scalable computing, machine
learning, …
• No open geospatially enabled big data science education platform
• Teach not just technical knowledge, but collaborative work culture
and ethics
11. Some P’s of Data Science Practice
Platforms
Process
People
Purpose?
Programmability
12. How can I get smart people
to collaborate and
communicate
to analyze data and
computing to generate
insight and solve a
question?
Focus on the
question,
not the
technology!
13. Workflows for Data Science
Center of Excellence at SDSC
Goal: Methodology and tool
development to build automated
and operational workflow-driven
solution architectures on big data
and HPC platforms.
Focus on the
question,
not the
technology! • Access and query data
• Support exploratory design
• Scale computational analysis
• Increase reuse
• Save time, energy and money
• Formalize and standardize
Real-Time Hazards Management
wifire.ucsd.edu
Data-Parallel Bioinformatics
bioKepler.org
Scalable Automated Molecular Dynamics and Drug Discovery
nbcr.ucsd.edu
WorDS.sdsc.edu
14. So what is a workflow?
• Access and query data
• Support exploratory design
• Scale computational analysis
• Increase reuse
• Save time, energy and money
• Formalize and standardize
Scientific workflows emerged as an
answer to the need to combine
multiple Cyberinfrastructure
components in automated process
networks.
15. Support for end-to-
end computational
scientific process
Workflows
are a Core CI
Technology
Workflow
Design
Reporting
Workflow
Monitoring
Workflow
Execution
Workflow
Scheduling
and
Execution
Planning
Run
Review
Provenance
Analysis
Deploy
and
Publish
Programmability
Ease of use, re-use, re-purpose
Scalability
From local experiments to large-scale runs
Reproducibility
Ability to validate, re-run, re-play
BUILD SHARE RUN LEARN
16. In addition, workflows today are…
• Key integrator for (big and small) data science
• Encapsulations of scientific knowledge
• Easy to share bits of scientific process
• e.g., as research objects
• Mostly portable
• Facilitate and encourage reproducible science
• Track provenance at each step of science…
• A means to standardize scientific data products
• Training students on domain tools and other technical methods
18. Big Data Fire Modeling
Visualization
Monitoring
WIFIRE: A Scalable Data-Driven Monitoring, Dynamic
Prediction and Resilience Cyberinfrastructure for Wildfires
19. Fire Modeling Workflows in WIFIRE
Real-time sensors
Weather forecast
Fire perimeter
Landscape data
Monitoring &
fire mapping
20. Many Integrated Workflows and
Processing Tools
• Components for modeling and data tools
• Understanding of geo data formats
• Transparent interaction with data and computing resources
• Open source and extensible
Union Filter Rasterize Find
Polygons
21. Closing the Loop using Big Data
-- Wildfire Behavior Modeling and Data Assimilation --
• Computational costs for existing
models too high for real-time
analysis
• a priori -> a posteriori
• Parameter estimation to make
adjustments to the (input) parameters
• State estimation to adjust the
simulated fire front location with an a
posteriori update/measurement of the
actual fire front location Conceptual Data Assimilation Workflow with
Prediction and Update Steps using Sensor Data
22. Some Machine Learning Case Studies
• Smoke and fire perimeter detection based on imagery
• Prediction of Santa Ana and fire conditions specific to location
• Prediction of fuel build up based on fire and weather history
• NLP for understanding local conditions based on radio
communications
• Deep learning on multi-spectra imagery for high resolution fuel maps
• Classification project to generate more accurate fuel maps (using
Planet labs data)
23. Classification project to generate more
accurate fuel maps
• Accurate and up-to-date fuel maps are critical for
modeling wildfire rate of speed and potential burn
areas.
• Challenge:
• USGS Landfire provides the best available fuel maps
every two years.
• The WIFIRE system is limited by these potentially 2-year
old inputs. Fuel maps created at a higher temporal
frequency is desired.
• Approach:
• Using high-resolution satellite imagery and deep
learning methods, produce surface fuel maps of San
Diego County and other regions in Southern California.
• Use LandFire fuel maps as the target variable, the
objective is create a classification model that will
provide fuel maps at greater frequency with a measure
of uncertainty.
Cluster 1: Short Grass
25. WIFIRE Team: It takes a village!
• PhD level researchers
• Professional software
developers
• 24 undergraduate students
• UC San Diego
• UC Merced
• MURPA University
• University of Queensland
• 1 high school student
• 4 MSc and 5 MAS students
• 2 PhD students (UMD)
• 1 postdoctoral researcher
UMD - Fire modeling
UCSD MAE - Data assimilation
SDSC -
Cyberinfrastructure,
Workflows,
Data engineering,
Machine Learning,
Information Visualization,
HPWREN
Calit2/QI-
Cyberinfrastructure, GIS,
Advanced Visualization,
Machine Learning,
Urban Sustainability,
HPWREN
SIO - HPWREN