WebCrawler
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- I.Search Metacrawler
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- I.Search Metacrawler
MetaCrawler was originally developed in 1994 at the University of Washington by graduate student Erik Selberg and Professor Oren Etzioni as Erik Selberg's Ph.D. qualifying project. Originally, it was created in order to provide a reliable abstraction layer to web search engine programs in order to study semantic structure on the World Wide Web.
Metacrawler Canada fast! Worldwide Canada U.S. Canadian Metacrawler - Worldwide Meta Search. Metacrawler for Canadian sites utilizing fast parallel metacrawl technology for speed and accuracy. Metacrawler Canada supports advanced boolean matching in any language. Metacrawler for Canadian sites and Worldwide. Advanced search for News, Mp3, FTP ...
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- Introduction
- The Metacrawler
- Evaluation
- Related Work
- Future Work
- Conclusions
- Acknowledgments
- About The Authors
- About This Document ...
Web search services such as Lycos and WebCrawler have proven bothuseful and popular. As the Web grows, thenumber and variety of search services is increasing as well. Examplesinclude: the Yahoo ``net directory''; the Harvest home page searchservice; the Query By Image Content service; the Virtual Tourist, a directoryorganized by geographic regions;...
Standard Web searching consists of three activities: 1. Indexingthe web for new and updated pages, a process that demands substantial CPU and network resources. 2. Storageof the Web pages retrieved into an index, which typically requires a large amount of disk space. 3. Retrievalof pages matching user queries. For most services, this amounts to ret...
The MetaCrawler was released publicly on July 7, 1995. Averages and percentagespresented in this paper are based on the 50,878 completed queries,starting on July 7 and ending September 30, except those in reference toOpen Text, which are based on 19,951 completed queries startingSeptember 8, when Open Text was added to the MetaCrawler'srepertoire. ...
Unifying several databases under one interface is far from novel. Manycompanies, such as PLS,Lexis-Nexis, and Verityhave invested several years and substantial capital creating systems that can handle andintegrate heterogeneous databases. Likewise, with the emergence ofmany Internet search services, there have been many different effortsto create s...
We are investigating how the MetaCrawler will scale to use newservices. Of particular importance is how to collate results returnedfrom different types of Internet indices, such as USENET news and Webpages. Also important is determining useful methods forinteracting with specialized databases, such as the Internet MovieDatabase. If the information ...
In this paper we have presented the MetaCrawler, a meta-service for Websearching with additional features designed to return more referencesof higher quality than standard search services. We demonstrated thatusers follow references reported by a variety of different searchservices, confirming that a single service is not sufficient (Table2). Furth...
The research presented in this paper could not have been accomplishedwithout the help of many individuals. We would like to thank MaryKaye Rodgers, for editing assistance and for putting up with latenights. Ruth Etzioni and Ellen Spertus provided comments on an earlierdraft. Dan Weld, Rich Segal, Keith Golden, George Forman, and DonaldChinn were ve...
Erik Selberg, selberg@cs.washington.edu, http://www.cs.washington.edu/homes/selberg Department of Computer Science and Engineering Box 352350 University of Washington Seattle, WA 98195 Erik Selberg is pursuing his Ph.D. in computer science at theUniversity of Washington. His primary research area involves WorldWide Web search, although he also has ...
Multi-Service Search and Comparison Using the MetaCrawler This document was generated using the LaTeX2HTML translator Version 95.1 (Fri Jan 20 1995) Copyright © 1993, 1994, Nikos Drakos, Computer Based Learning Unit, University of Leeds. The command line arguments were: latex2html -split 0 www4-final.tex. The translation was initiated by Erik Selbe...
Metacrawler is a powerful search engine that extends beyond text-based queries. It's an excellent tool for discovering images and multimedia content related to computers, laptops, and desktops. By aggregating results from multiple search engines, metacrawler ensures a comprehensive and diverse set of visuals, helping you find the most relevant and high-quality images for your computer-related ...
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Reference. Using MetaCrawler. The Basics. Default architecture of cralwer using MetaCrawler have next hierarchy: Handler- manages crawlers, settings and the crawl process; Crawler- load web-pages and manages items; Field- parse concrete values; Example usage. See example on Github.
