3251 search results - page 244 / 651 » Challenges in Web Information Retrieval |
211
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SIGIR
2012
ACM
13 years 9 months ago
2012
ACM
Finding topic experts on microblogging sites with millions of users, such as Twitter, is a hard and challenging problem. In this paper, we propose and investigate a new methodolog...
156
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ADBIS
2004
Springer
16 years 1 days ago
2004
Springer
The need for Keyword search in databases is suggested both by Web integration with legacy database management system and by dynamic Web publication. However, it sacrifices the inh...
197
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WWW
2008
ACM
16 years 7 months ago
2008
ACM
We track a large set of "rapidly" changing web pages and examine the assumption that the arrival of content changes follows a Poisson process on a microscale. We demonst...
184
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SPIRE
2009
Springer
16 years 1 months ago
2009
Springer
We propose a method to evaluate queries using a last-resort semantic cache in a distributed Web search engine. The cache stores a group of frequent queries and for each of these qu...
147
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JCDL
2004
ACM
16 years 1 days ago
2004
ACM
In this paper, we describe an experiment in combined searching of web pages and digital library resources, exposed via an Open Archives metadata provider and web gateway service. ...