Author: David S. Wilson Publisher: ISBN: Category : Big data Languages : en Pages : 70
Book Description
Correlated Sample Synopsis (or CS2) has been proven to be a valuable option concerning centralized databases but has yet to be tested on big data. With the overall accumulation of data growing at an alarming rate, scalable query estimation and approximate query processing are becoming necessary for large databases. Query estimations based on the Simple Random Sample Without Replacement (or SRSWOR) return results with extremely high relative errors for join queries. Existing methods, such as Join Synopses, only work well with foreign key joins, and the sample size can grow dramatically as the dataset gets larger. This research aims to provide that CS2 can speed up search query length results, give precise join query estimations, and minimize storage costs when presented with big data. In addition, this research extends the correlated sampling techniques and estimation methods of CS2 to the big data environment with no index present. Extensive experiments with large TPC-H datasets in Apache Hive show that CS2 produces fast and accurate query estimations on big data.
Author: BusinessNews Publishing, Publisher: Primento ISBN: 2511025078 Category : Business & Economics Languages : en Pages : 30
Book Description
The must-read summary of Viktor Mayer-Schonberg and Kenneth Cukier's book: "Big Data: A Revolution that Will Transform How We Live, Work and Think". This complete summary of the ideas from Viktor Mayer-Schonberg and Kenneth Cukier's book "Big Data" explains that the concept of "big data" means using huge quantities of data to make better predictions based on patterns, rather than trying to understand the underlying causes in more detail. In their book, the authors highlight the many ways in which big data will be a source of new economic value and innovation in the future. This summary also demonstrates that this change in the way information is analysed will transform the way everyone lives and interacts in the world. Added-value of this summary: • Save time • Understand key concepts • Expand your knowledge To learn more, read "Big Data" and discover how the way we use data is evolving and what this means for the future.
Author: Xue-Kun Song Publisher: Springer Science & Business Media ISBN: 0387713921 Category : Mathematics Languages : en Pages : 356
Book Description
This book covers recent developments in correlated data analysis. It utilizes the class of dispersion models as marginal components in the formulation of joint models for correlated data. This enables the book to cover a broader range of data types than the traditional generalized linear models. The reader is provided with a systematic treatment for the topic of estimating functions, and both generalized estimating equations (GEE) and quadratic inference functions (QIF) are studied as special cases. In addition to the discussions on marginal models and mixed-effects models, this book covers new topics on joint regression analysis based on Gaussian copulas.
Author: S. Srinivasan Publisher: Springer ISBN: 3319538179 Category : Technology & Engineering Languages : en Pages : 567
Book Description
This handbook brings together a variety of approaches to the uses of big data in multiple fields, primarily science, medicine, and business. This single resource features contributions from researchers around the world from a variety of fields, where they share their findings and experience. This book is intended to help spur further innovation in big data. The research is presented in a way that allows readers, regardless of their field of study, to learn from how applications have proven successful and how similar applications could be used in their own field. Contributions stem from researchers in fields such as physics, biology, energy, healthcare, and business. The contributors also discuss important topics such as fraud detection, privacy implications, legal perspectives, and ethical handling of big data.
Author: Tyler Vigen Publisher: Hachette Books ISBN: 0316339458 Category : Humor Languages : en Pages : 303
Book Description
"Spurious Correlations ... is the most fun you'll ever have with graphs." -- Bustle Military intelligence analyst and Harvard Law student Tyler Vigen illustrates the golden rule that "correlation does not equal causation" through hilarious graphs inspired by his viral website. Is there a correlation between Nic Cage films and swimming pool accidents? What about beef consumption and people getting struck by lightning? Absolutely not. But that hasn't stopped millions of people from going to tylervigen.com and asking, "Wait, what?" Vigen has designed software that scours enormous data sets to find unlikely statistical correlations. He began pulling the funniest ones for his website and has since gained millions of views, hundreds of thousands of likes, and tons of media coverage. Subversive and clever, Spurious Correlations is geek humor at its finest, nailing our obsession with data and conspiracy theory.
Author: Graham Cormode Publisher: Now Publishers ISBN: 9781601985163 Category : Computers Languages : en Pages : 308
Book Description
Describes basic principles and recent developments in approximate query processing. It focuses on four key synopses: random samples, histograms, wavelets, and sketches. It considers issues such as accuracy, space and time efficiency, optimality, practicality, range of applicability, error bounds on query answers, and incremental maintenance.
Author: Milkyway Media Publisher: Milkyway Media ISBN: Category : Study Aids Languages : en Pages : 29
Book Description
Get the summary from Wendy Hui Kyong Chun's Discriminating Data #1 The Cambridge Analytica scandal showed how social media can be abused and manipulate elections. #2 Psychographics superseded demographics, geographics, and economics in terms of impact. It was determined that people’s personalities could be changed with rational, yet fear-based messages. #3 The claims made by Cambridge Analytica, and many other companies that use psychographic targeting, need to be taken with several grains of salt. Their efficacy has not yet been proven.
Author: Brij B Gupta Publisher: World Scientific ISBN: 9811257132 Category : Computers Languages : en Pages : 288
Book Description
With the proliferation of information, big data management and analysis have become an indispensable part of any system to handle such amounts of data. The amount of data generated by the multitude of interconnected devices increases exponentially, making the storage and processing of these data a real challenge.Big data management and analytics have gained momentum in almost every industry, ranging from finance or healthcare. Big data can reveal key insights if handled and analyzed properly; it has great application potential to improve the working of any industry. This book covers the spectrum aspects of big data; from the preliminary level to specific case studies. It will help readers gain knowledge of the big data landscape.Highlights of the topics covered include description of the Big Data ecosystem; real-world instances of big data issues; how the Vs of Big Data (volume, velocity, variety, veracity, valence, and value) affect data collection, monitoring, storage, analysis, and reporting; structural process to get value out of Big Data and recognize the differences between a standard database management system and a big data management system.Readers will gain insights into choice of data models, data extraction, data integration to solve large data problems, data modelling using machine learning techniques, Spark's scalable machine learning techniques, modeling a big data problem into a graph database and performing scalable analytical operations over the graph and different tools and techniques for processing big data and its applications including in healthcare and finance.
Author: Segall, Richard S. Publisher: IGI Global ISBN: 1522531432 Category : Computers Languages : en Pages : 1078
Book Description
The digital age has presented an exponential growth in the amount of data available to individuals looking to draw conclusions based on given or collected information across industries. Challenges associated with the analysis, security, sharing, storage, and visualization of large and complex data sets continue to plague data scientists and analysts alike as traditional data processing applications struggle to adequately manage big data. The Handbook of Research on Big Data Storage and Visualization Techniques is a critical scholarly resource that explores big data analytics and technologies and their role in developing a broad understanding of issues pertaining to the use of big data in multidisciplinary fields. Featuring coverage on a broad range of topics, such as architecture patterns, programing systems, and computational energy, this publication is geared towards professionals, researchers, and students seeking current research and application topics on the subject.
Author: David S. Wilson
Author: Viktor Mayer-Schönberger
Author: BusinessNews Publishing,
Author: Xue-Kun Song
Author: S. Srinivasan
Author: Tyler Vigen
Author: Graham Cormode
Author: Milkyway Media
Author: Brij B Gupta
Author: Segall, Richard S.