714 search results - page 120 / 143 » Conceptual Query Expansion |
ICML
2006
IEEE
14 years 4 months ago
2006
IEEE
We present a tree data structure for fast
nearest neighbor operations in general n-
point metric spaces (where the data set con-
sists of n points). The data structure re-
quir...
CIKM
2009
Springer
14 years 2 months ago
2009
Springer
In this paper, we present a semi-supervised learning method for web page classification, leveraging click logs to augment training data by propagating class labels to unlabeled si...
QI
2009
Springer
14 years 2 months ago
2009
Springer
An emerging topic in Quantuam Interaction is the use of lexical semantic spaces, as Hilbert spaces, to capture the meaning of words. There has been some initial evidence that the p...
CIVR
2007
Springer
14 years 1 months ago
2007
Springer
Anecdotal evidence suggests that story-level information is important for the speech component of video retrieval. In this paper we perform a systematic examination of the combina...
SIGIR
2005
ACM
14 years 1 months ago
2005
ACM
State-of-the-art question answering (QA) systems employ termdensity ranking to retrieve answer passages. Such methods often retrieve incorrect passages as relationships among ques...