1523 search results - page 264 / 305 » Generalized contextualization method for XML information ret... |
WWW
2006
ACM
15 years 10 months ago
2006
ACM
We introduce the notion of query substitution, that is, generating a new query to replace a user's original search query. Our technique uses modifications based on typical su...
115
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MM
2009
ACM
15 years 2 months ago
2009
ACM
Following the exponential growth of social media, there now exist huge repositories of videos online. Among the huge volumes of videos, there exist large numbers of near-duplicate...
151
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CIVR
2007
Springer
15 years 1 months ago
2007
Springer
Semantic detection and recognition of objects and events contained in a video stream has to be performed in order to provide content-based annotation and retrieval of videos. This...
WWW
2005
ACM
15 years 10 months ago
2005
ACM
Message hierarchies in web discussion boards grow with new postings. Threads of messages evolve as new postings focus within or diverge from the original themes of the threads. Th...
101
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SIGIR
2011
ACM
14 years 16 days ago
2011
ACM
A key challenge in recommender system research is how to effectively profile new users, a problem generally known as cold-start recommendation. Recently the idea of progressivel...