441 search results - page 34 / 89 » Query expansion using random walk models |
IJCV
2012
12 years 9 days ago
2012
Abstract Computer vision is full of problems elegantly expressed in terms of energy minimization. We characterize a class of energies with hierarchical costs and propose a novel hi...
SIGIR
2009
ACM
14 years 4 months ago
2009
ACM
When search is against structured documents, it is beneficial to extract information from user queries in a format that is consistent with the backend data structure. As one step...
EACL
2006
ACL Anthology
13 years 11 months ago
2006
ACL Anthology
This paper addresses the problem of automatically retrieving answers for how-to questions, focusing on those that inquire about the procedure for achieving a specific goal. For su...
ECIR
2010
Springer
13 years 11 months ago
2010
Springer
In this paper, we complement the term frequency, which is used in many bag-of-words based information retrieval models, with information about the semantic relatedness of query and...
CIVR
2007
Springer
14 years 4 months ago
2007
Springer
Though both quantity and quality of semantic concept detection in video are continuously improving, it still remains unclear how to exploit these detected concepts as semantic ind...