منابع مشابه
Searching the world wide Web
The coverage and recency of the major World Wide Web search engines was analyzed, yielding some surprising results. The coverage of any one engine is significantly limited: No single engine indexes more than about one-third of the "indexable Web," the coverage of the six engines investigated varies by an order of magnitude, and combining the results of the six engines yields about 3.5 times as ...
متن کاملImage and Video Searching on the World Wide Web
The proliferation of multimedia on the World Wide Web has led to the introduction of Web search engines for images, video, and audio. On the Web, multimedia is typically embedded within documents that provide a wealth of indexing information. Harsh computational constraints imposed by the economics of advertising-supported searches restrict the complexity of analysis that can be performed at qu...
متن کاملSearching the World Wide Web: Challenges and Partial Solutions
In this article we analyze the problem of searching the WWW, giving some insight and models to understand its complexity. Then we survey the two main current techniques used to search the WWW. Finally, we present recent results that can help to partially solve the challenges posed.
متن کاملSearching the World-Wide Web Using Signature Files
A problem conamonly faced by users of the World-Wide Web (WWW) is forgetting the path traversed to reach a previously read document. SWISS (Seeking WorldWide Web Information Using a Signature File Search) is a system designed to alleviate this ’lost document problem’ by incrementally saving the contents of visited documents in a signature file index. SWISS allows the user to retrieve a previous...
متن کاملSearching for Images and Videos on the World-Wide Web
We describe a prototype visual information system for searching for images and videos on the World-Wide Web. New visual information in the form of images, graphics, animations and videos is being published on the Web at an incredible rate. However, cataloging this visual data is beyond the capabilities of current text-based Web search engines. The key to cataloging it is the marriage of text-ba...
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ژورنال
عنوان ژورنال: Science
سال: 1998
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.280.5360.98