Showing posts with label ebook reader. Show all posts
Showing posts with label ebook reader. Show all posts

Social Network Data Analytics Review

Social Network Data Analytics
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This is a very interesting book for both researchers and practitioners in computer science who work in the area of data mining and want to learn the state-of-the-art in social network data analytics. The book provides good coverage of the subject area by focusing on popular research topics, such as the study of the statistical properties that are apparent in "typical" social networks, the problems of community detection and social influence analysis, the expert-location discovery problem, the privacy issues that arise in the context of social networks, as well as visualization techniques, text mining techniques and social tagging. The emerging area of integrating sensors and social networks is also examined. Each chapter of the book contains numerous bibliographic references that will guide readers who are interested in particular topics to explore these topics in more depth. Overall, I highly recommend this book!

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Social network analysis applications have experienced tremendous advances within the last few years due in part to increasing trends towards users interacting with each other on the internet. Social networks are organized as graphs, and the data on social networks takes on the form of massive streams, which are mined for a variety of purposes.

Social Network Data Analytics covers an important niche in the social network analytics field. This edited volume, contributed by prominent researchers in this field, presents a wide selection of topics on social network data mining such as Structural Properties of Social Networks, Algorithms for Structural Discovery of Social Networks and Content Analysis in Social Networks. This book is also unique in focussing on the data analytical aspects of social networks in the internet scenario, rather than the traditional sociology-driven emphasis prevalent in the existing books, which do not focus on the unique data-intensive characteristics of online social networks. Emphasis is placed on simplifying the content so that students and practitioners benefit from this book.

This book targets advanced level students and researchers concentrating on computer science as a secondary text or reference book. Data mining, database, information security, electronic commerce and machine learning professionals will find this book a valuable asset, as well as primary associations such as ACM, IEEE and Management Science.


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Catastrophe Modeling: A New Approach to Managing Risk (Huebner International Series on Risk, Insurance and Economic Security) Review

Catastrophe Modeling: A New Approach to Managing Risk (Huebner International Series on Risk, Insurance and Economic Security)
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An excellent survey of disaster insurance premium estimation. The volume is written by a variety of contributors, but they follow an outline predetermined by the editors. The material starts with an introduction to natural disasters (hurricanes and earthquakes), then reviews the primary 'technique' recommended by the authors: using GIS databases and sophisticated computer models to predict disaster costs (disaster models). Unfortunately, the details of running these models are hard to communicate without giving the reader access to an interface of a sample model.
Despite this difficulty, there is an excellent chapter detailing the legal battles between the insurance industry and consumer advocates. The battle was fought after the Northridge, CA earthquake, and the GIS data and disaster models were the heavy artillery employed by the insurance brokers. The authors review difficult issues regarding 'fair premium price' determination for regulated retail insurance policies. The purchasers of disaster insurance tend to see the brokers collecting risk-free profits. The brokers counter that the Northridge earthquake insurance payouts exceed all the premiums paid in California for over 20 years. Elsewhere the authors mention hurricane Andrew insurance payouts exceeded all insurance payments ever collected in Florida.
The final chapter covers 'terrorism insurance', and represents an excellent survey of issues facing the insurance industry after September 11. One of the interesting issues raised in the mismatch between industry assessment of 'fair premium' and public assumptions that a 9/11 type disaster could not happen, again. At least this is what sale of terrorism insurance demonstrates.
The book will probably suggest more questions than it answers. In particular, the chapter on terrorism raises interesting issues about 'governmental' coverage versus 'private' coverage. At a certain level, victims of terrorism can expect taxpayers to 'aid' those suffering from the disaster. 'Aid' is another term for insurance, but 'coverage' is universal and payments hidden in various taxes. Coming up with fair 'retail terrorism insurance premiums' seems beyond the capabilities of the US insurance system. The problems are structural and won't go away any time soon.

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