507 search results - page 85 / 102 » Portfolio theory of information retrieval |
CLEF
2009
Springer
13 years 5 months ago
2009
Springer
: This paper presents the results of a user study conducted in the framework of the Interactive Image Retrieval task at CLEF 2009. The main goal of our research is to understand th...
ICML
2008
IEEE
14 years 8 months ago
2008
IEEE
This paper is concerned with the generalization ability of learning to rank algorithms for information retrieval (IR). We point out that the key for addressing the learning proble...
WWW
2006
ACM
14 years 8 months ago
2006
ACM
In this poster we present an approach to query answering over knowledge sources that makes use of different ontology management components within an application scenario of the BT...
KDD
2002
ACM
14 years 8 months ago
2002
ACM
Large 0-1 datasets arise in various applications, such as market basket analysis and information retrieval. We concentrate on the study of topic models, aiming at results which in...
PODS
2006
ACM
14 years 7 months ago
2006
ACM
B-trees are the data structure of choice for maintaining searchable data on disk. However, B-trees perform suboptimally ? when keys are long or of variable length, ? when keys are...