The Invisible Web: Uncovering Information Sources Search Engines Can't See

Price, Gary; Sherman, Chris

ISBN 10: 091096551X / ISBN 13: 9780910965514

Editore: CyberAge Books, 2001

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Titolo: The Invisible Web: Uncovering Information ...

Casa editrice: CyberAge Books

Data di pubblicazione: 2001

Legatura: Brossura

Condizione: Very Good

Condizione sovraccoperta: 46956809

autografato: 6/7/2025 10:07:31 AM

Edizione: 1749290851.

Descrizione articolo

Riassunto:

Enormous expanses of the Internet are unreachable with standard web search engines. This book provides the key to finding these hidden resources by identifying how to uncover and use invisible web resources. Mapping the invisible Web, when and how to use it, assessing the validity of the information, and the future of Web searching are topics covered in detail. Only 16 percent of Net-based information can be located using a general search engine. The other 84 percent is what is referred to as the invisible Web—made up of information stored in databases. Unlike pages on the visible Web, information in databases is generally inaccessible to the software spiders and crawlers that compile search engine indexes. As Web technology improves, more and more information is being stored in databases that feed into dynamically generated Web pages. The tips provided in this resource will ensure that those databases are exposed and Net-based research will be conducted in the most thorough and effective manner.

Informazioni sull?autore:

Gary Price is a reference librarian at George Washington University. He lives in Vienna, Virginia. Chris Sherman is the director of the guide to Web searching on About.com and president of Searchwise, a consulting firm. He is the author of the CD-ROM Handbook and a frequent contributor to Online magazine. He lives in Los Angeles. Danny Sullivan works for SearchEngineWatch.com.