1936 search results - page 187 / 388 » Challenges in Web Search Engines |
188
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SIGIR
2009
ACM
16 years 1 months ago
2009
ACM
Large search engines process thousands of queries per second on billions of pages, making query processing a major factor in their operating costs. This has led to a lot of resear...
194
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WWW
2008
ACM
16 years 7 months ago
2008
ACM
In this paper we present a new document representation model based on implicit user feedback obtained from search engine queries. The main objective of this model is to achieve be...
178
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IJNSEC
2007
15 years 6 months ago
2007
The exponential growth of the Internet (WWW in particular) has opened-up several avenues for covert channel communication. Steganographic communication is one such avenue. Hiding ...
191
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IADIS
2004
15 years 8 months ago
2004
In this paper we present our technique for finding semantically similar clusters within web documents obtained from a set of queries retrieved from the Google search engine. This ...
155
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UAI
2003
15 years 8 months ago
2003
We investigate the use of probabilistic models and cost-benefit analyses to guide the operation of a Web-based question-answering system. We first provide an overview of research ...