307 search results - page 38 / 62 » Generalized syntactic and semantic models of query reformula... |
ICDE
2008
IEEE
14 years 9 months ago
2008
IEEE
on Uncertain Data (Extended Abstract) Ming Hua Jian Pei Wenjie Zhang Xuemin Lin Simon Fraser University, Canada The University of New South Wales & NICTA {mhua, jpei}@cs.sfu.c...
MM
2010
ACM
13 years 7 months ago
2010
ACM
The problem of joint modeling the text and image components of multimedia documents is studied. The text component is represented as a sample from a hidden topic model, learned wi...
WWW
2002
ACM
14 years 8 months ago
2002
ACM
Real-scale Semantic Web applications, such as Knowledge Portals and E-Marketplaces, require the managementof large volumes of metadata, i.e., information describing the available ...
HPDC
2008
IEEE
14 years 2 months ago
2008
IEEE
If the model of free-form queries, which has proved successful for HTML based search on the Web, is made available for Grid services, it will serve as a powerful tool for scientis...
SIGIR
2004
ACM
14 years 29 days ago
2004
ACM
In recent years, statistical language models are being proposed as alternative to the vector space model. Viewing documents as language samples introduces the issue of defining a...