552 search results - page 8 / 111 » Direct Optimization of Ranking Measures |
ROCAI
2004
Springer
14 years 4 months ago
2004
Springer
Abstract. In the field of Text Mining, a key phase in data preparation is concerned with the extraction of terms, i.e. collocation of words attached to specific concepts (e.g. Ph...
PSIVT
2007
Springer
14 years 5 months ago
2007
Springer
: Measuring ellipticity is an important area of computer vision systems. Most existing ellipticity measures are area based and cannot be easily applied to point sets such as extrac...
CCR
2002
13 years 10 months ago
2002
Accurate network traffic measurement is required for accounting, bandwidth provisioning and detecting DoS attacks. These applications see the traffic as a collection of flows they...
WWW
2007
ACM
14 years 11 months ago
2007
ACM
PageRank is the best known technique for link-based importance ranking. The computed importance scores, however, are not directly comparable across different snapshots of an evolv...
ICTIR
2009
Springer
13 years 8 months ago
2009
Springer
Abstract. A useful ability for search engines is to be able to rank objects with novelty and diversity: the top k documents retrieved should cover possible interpretations of a que...