Book Review: The Invisible Web: Uncovering Information Sources Search Engines Can't See
نویسندگان
چکیده
منابع مشابه
The Invisible Web: Uncovering Sources Search Engines Can't See
THEPAR.4DOX O F THE INVISIBLE WEBis that it’s easy to understand why it exists, but it’s very hard to actually define in concrete, specific terms. In a nutshell, the Invisible Web consists of content that’s been excluded from general-purpose search engines and Web directories such as Lycos and Looksmart-and yes, even Google. There’s nothing inherently “invisible” about this content. But since t...
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six web search engines, namely, altavista, excite, go, google, hot bot and lycos, were compared and evaluated in terms of their search capabilities (i.e., duplicate, false drops, mirror sites, dead links) and retrieval performances (i.e., precision) using sample queries drawn from real reference questions from the reference desk of the central library of shiraz university (mirzay-e-shirazi libr...
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ژورنال
عنوان ژورنال: Library Resources & Technical Services
سال: 2002
ISSN: 0024-2527,2159-9610
DOI: 10.5860/lrts.46n2.74