Showing posts with label lucene. Show all posts
Showing posts with label lucene. Show all posts

Collective Intelligence in Action Review

Collective Intelligence in Action
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Collective Intelligence in Action ReviewI was recently asked by the publisher to review Collective Intelligence in Action. The author is Satnam Alag, a Bay area engineer with a Ph.D. from the University of California, Berkeley. Dr. Alag is VP of NextBio, a specialized search engine.
The first chapter is free and so is the source code used in the book.
The book is for Java developers who want to implement "Collective Intelligence" applications in Java. It tells us about extracting and applying data from blogs, wikis and social network applications. I am not one to praise, but this book succeeds brilliantly. If you are a Java engineer and work with Web technologies, you must get this book. It covers topics such as computing similarity measures using vector models, Nai've Bayes Classifiers, inverse document frequency (idf), Machine Learning (using the Weka API), building a crawler with regular expressions, collaborative filtering (with links to open source tools), and so on.
Even if you do not work with Java, if you care for high-end Web applications, this book is for you. It reminds me of Lyon's Java¿ Digital Signal Processing book. It offers the gist of what academia knows, but focuses on what people (engineers and researchers) do in practise.
The book is not meant for academia however. There are references, but no theorem.
Disclaimer. I did not get paid to review this book, and I do not stand to gain anything if you buy the book. I have no relationship with the publisher or the author.
Further reading. A competing book is Programming Collective Intelligence: Building Smart Web 2.0 Applications by Toby Segaran. It uses Python instead of Java.Collective Intelligence in Action Overview
There's a great deal of wisdom in a crowd, but how do you listen to a thousand people talking at once? Identifying the wants, needs, and knowledge of internet users can be like listening to a mob.

In the Web 2.0 era, leveraging the collective power of user contributions, interactions, and feedback is the key to market dominance. A new category of powerful programming techniques lets you discover the patterns, inter-relationships, and individual profiles-the collective intelligence--locked in the data people leave behind as they surf websites, post blogs, and interact with other users.

Collective Intelligence in Action is a hands-on guidebook for implementing collective intelligence concepts using Java. It is the first Java-based book to emphasize the underlying algorithms and technical implementation of vital data gathering and mining techniques like analyzing trends, discovering relationships, and making predictions. It provides a pragmatic approach to personalization by combining content-based analysis with collaborative approaches.

This book is for Java developers implementing Collective Intelligence in real, high-use applications. Following a running example in which you harvest and use information from blogs, you learn to develop software that you can embed in your own applications. The code examples are immediately reusable and give the Java developer a working collective intelligence toolkit.

Along the way, you work with, a number of APIs and open-source toolkits including text analysis and search using Lucene, web-crawling using Nutch, and applying machine learning algorithms using WEKA and the Java Data Mining (JDM) standard.


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Open Source Web Applications for Libraries Review

Open Source Web Applications for Libraries
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Open Source Web Applications for Libraries ReviewOpen Source Web Applications for Libraries addresses issues of accessibility, support, and dependability and covers a range of applications that can be used to improve library reference services for library users. Librarians receive a fine guide to choosing, installing and configuring popular open source web programs form Joomla to WordPress and more, and also receive a fine critical cross-comparison between applications and features. Any library manager needs this!
Open Source Web Applications for Libraries Overview
Interest in open source software has never been stronger, yet a general lack of information about specific tools and benefits along with nagging concerns about dependability and support has hampered adoption in libraries. In Open Source Web Applications for Libraries, authors Coombs and Hollister address these issues and provide librarians with guidance on a range of applications that can be used to improve reference services, instruction, and outreach to library users.

In addition to explaining the use, installation, and configuration of such popular resources as WordPress, Drupal, Joomla, and MediaWiki, the authors cover library-specific open source applications such as SubjectsPlus, Blacklight, VuFind, and SOPAC. They compare and contrast the applications, describing key features, strengths, and weaknesses in order to help librarians make informed decisions. Numerous real-world examples illustrate how different types of libraries are using open source web applications today.


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An Introduction to Search Engines and Web Navigation Review

An Introduction to Search Engines and Web Navigation
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An Introduction to Search Engines and Web Navigation ReviewThe first chapters of the book provide an extensive introduction to search engines and navigation. No formal prerequisites are required; any Web enthusiast will enjoy reading the book. These chapters comprise of background and history of the Web, navigation and searching, search engine architecture and different types of search engines. In addition to the basics, additional topics covered are navigation (aka surfing), the interplay between search and navigation, Web data mining, personalization, the mobile web, social networks, collaborative filtering and Weblogs (aka Blogs).
The book goes far beyond simple searching and navigation; it provides a comprehensive overview of the current research fronts in areas related to Web search engines and navigation.
The text is highly readable with a large number of illustrations and examples. It can serve as an excellent textbook both for an introductory and a more advanced course of Web search and navigation. Each chapter starts with a listing of objectives and ends with a set of exercises relevant to the topics covered in the chapter. Students will especially benefit from the non-technical descriptions and clear explanations of the concepts.
The book is also a great reference source for researchers and IT professionals: it includes 410 references to articles, and 202 references to Web pages and resources. I highly recommend the book.
An Introduction to Search Engines and Web Navigation OverviewThis book is a second edition, updated and expanded toexplain the technologies that help us find information on the web. Search engines and web navigation tools have become ubiquitous in our day to day use of the web as an information source, a tool for commercial transactions and a social computing tool. Moreover, through the mobile web we have access to the web's services when we are on the move. This book demystifies the tools that we use when interacting with the web, and gives the reader a detailed overview of where we are and where we are going in terms of search engine and web navigation technologies.

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