67 search results - page 4 / 14 » Improve Precategorized Collection Retrieval by Using Supervi... |
ECIR
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. We present a new learning to rank framework for estimating context-sensitive term weights without use of feedback. Specifically, knowledge of effective term weights on ...
TKDE
2010
13 years 3 months ago
2010
Abstract— In this work, web-based metrics for semantic similarity computation between words or terms are presented and compared with the state-of-the-art. Starting from the funda...
CIKM
2010
Springer
13 years 4 months ago
2010
Springer
Scientists depend on literature search to find prior work that is relevant to their research ideas. We introduce a retrieval model for literature search that incorporates a wide ...
SIGIR
2011
ACM
12 years 8 months ago
2011
ACM
The majority of the current information retrieval models weight the query concepts (e.g., terms or phrases) in an unsupervised manner, based solely on the collection statistics. I...
RIAO
2007
13 years 6 months ago
2007
Focussed XML component retrieval is one of the most important challenges in the XML IR field. The aim of the focussed retrieval strategy is to find the most exhaustive and specifi...