Designing New Crawling and Indexing Techniques for Web Search Engines
Qingzhao Tan
Broschiertes Buch

Designing New Crawling and Indexing Techniques for Web Search Engines

A New Generation of Web Search Engine

Versandkostenfrei!
Versandfertig in 6-10 Tagen
38,99 €
inkl. MwSt.
PAYBACK Punkte
19 °P sammeln!
This thesis studies in a Web search engine how a crawler with limited computing resource can effectively crawl from the dynamically changing Web and acquire the most updated Web documents, and how a Web search engine can provide information-object--oriented indexing methods which enable users to retrieve desired information with high accuracy and high efficiency. To address the first problem, we design a set of sampling policies with various downloading granularity for the sampling method, taking into account the link structure, the directory structure, and the content-based features which inc...