Product Description
Spiders, bots, and aggregators are all so-called intelligent agents, which execute tasks on the Web without the intervention of a human being. Spiders go out on the Web and identify multiple sites with information on a chosen topic and retrieve the information. Bots find information within one site by cataloging and retrieving it. Aggregrators gather data from multiple sites and consolidate it on one page, such as credit card, bank account, and investment account data. This book offer offers a complete toolkit for the Java programmer who wants to build bots, spiders, and aggregrators. It teaches the basic low-level HTTP/network programming Java programmers need to get going and then dives into how to create useful intelligent agent applications. It is aimed not just at Java programmers but JSP programmers as well. The CD-ROM includes all the source code for the author's intelligent agent platform, which readers can use to build their own spiders, bots, and aggregators.
From the Back Cover
The content and services available on the web continue to be accessed mostly through direct human control. But this is changing. Increasingly, users rely on automated agents that save them time and effort by programmatically retrieving content, performing complex interactions, and aggregating data from diverse sources. Programming Spiders, Bots, and Aggregators in Java teaches you how to build and deploy a wide variety of these agents-from single-purpose bots to exploratory spiders to aggregators that present a unified view of information from multiple user accounts.
You will quickly build on your basic knowledge of Java to quickly master the techniques that are essential to this specialized world of programming, including parsing HTML, interpreting data, working with cookies, reading and writing XML, and managing high-volume workloads. You'll also learn about the ethical issues associated with bot use--and the limitations imposed by some websites.
This book offers two levels of instruction, both of which are focused on the library of routines provided on the companion CD. If your main concern is adding ready-made functionality to an application, you'll achieve your goals quickly thanks to step-by-step instructions and sample programs that illustrate effective implementations. If you're interested in the technologies underlying these routines, you'll find in-depth explanations of how they work and the techniques required for customization.D0wn10ad
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