938 search results - page 177 / 188 » Space-Efficient Algorithms for Document Retrieval |
101
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WWW
2008
ACM
16 years 11 days ago
2008
ACM
Although most of existing research usually detects events by analyzing the content or structural information of Web documents, a recent direction is to study the usage data. In th...
120
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WWW
2008
ACM
16 years 11 days ago
2008
ACM
Web search engines are facing formidable performance challenges due to data sizes and query loads. The major engines have to process tens of thousands of queries per second over t...
106
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WWW
2006
ACM
16 years 11 days ago
2006
ACM
Social networks play important roles in the Semantic Web: knowledge management, information retrieval, ubiquitous computing, and so on. We propose a social network extraction syst...
WWW
2010
ACM
15 years 6 months ago
2010
ACM
Named entity recognition studies the problem of locating and classifying parts of free text into a set of predefined categories. Although extensive research has focused on the de...
MM
2009
ACM
15 years 6 months ago
2009
ACM
The Bag-of-visual Words (BoW) image representation has been applied for various problems in the fields of multimedia and computer vision. The basic idea is to represent images as ...