Web crawling
著者
書誌事項
Web crawling
（Foundations and trends in information retrieval, 4:3）
Now Publishers, c2010
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注記
"This book is originally published as Foundations and trends in information retrieval, volume 4, issue 3 (2010), ISSN: 1554-0669"--Back cover
Includes bibliographical references (p. 67-74)
内容説明・目次
内容説明
This is a survey of the science and practice of web crawling. While at first glance web crawling may appear to be merely an application of breadth-first-search, the truth is that there are many challenges ranging from systems concerns such as managing very large data structures, to theoretical questions such as how often to revisit evolving content sources.
This survey outlines the fundamental challenges and describes the state-of-the-art models and solutions. It also highlights avenues for future work.
目次
1: Introduction 2: Crawler Architecture 3: Crawl Ordering Problem 4: Batch Crawl Ordering 5: Incremental Crawl Ordering 6: Avoiding Problematic and Undesirable Content 7: Deep Web Crawling 8: Future Directions. References
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