381 search results - page 45 / 77 » Probabilistic models of information retrieval based on measu... |
MM
2009
ACM
14 years 2 months ago
2009
ACM
The amount of multimedia content available online constantly increases, and this leads to problems for users who search for content or similar communities. Users in Flickr often s...
DICTA
2008
13 years 9 months ago
2008
This paper explores how to exploit shape information to perform object class recognition. We use a sparse partbased model to describe object categories defined by shape. The spars...
WIDM
2005
ACM
14 years 1 months ago
2005
ACM
Markov models have been widely used for modelling users' navigational behaviour in the Web graph, using the transitional probabilities between web pages, as recorded in the w...
SIGIR
2008
ACM
13 years 7 months ago
2008
ACM
We study in this paper the problem of bridging the semantic gap between low-level image features and high-level semantic concepts, which is the key hindrance in content-based imag...
SIGIR
2006
ACM
14 years 1 months ago
2006
ACM
Despite its intuitive appeal, the hypothesis that retrieval at the level of “concepts” should outperform purely term-based approaches remains unverified empirically. In addit...