180 search results - page 21 / 36 » Analysis of topic dynamics in web search |
WWW
2003
ACM
15 years 10 months ago
2003
ACM
The presence of replicas or near-replicas of documents is very common on the Web. Documents may be replicated completely or partially for different reasons (versions, mirrors, etc...
WSDM
2009
ACM
15 years 4 months ago
2009
ACM
In this paper, we investigate the difference between Wikipedia and Web link structure with respect to their value as indicators of the relevance of a page for a given topic of re...
SIGIR
2011
ACM
14 years 8 days ago
2011
ACM
Search engine switching is the voluntary transition between Web search engines. Engine switching can occur for a number of reasons, including user dissatisfaction with search resu...
VLDB
2000
ACM
15 years 1 months ago
2000
ACM
Maintaining currency of search engine indices by exhaustive crawling is rapidly becoming impossible due to the increasing size and dynamic content of the web. Focused crawlers aim...
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EMNLP
2010
14 years 7 months ago
2010
Recurrent event queries (REQ) constitute a special class of search queries occurring at regular, predictable time intervals. The freshness of documents ranked for such queries is ...