Sciweavers

2536 search results - page 111 / 508
» Gravitation-based model for information retrieval
Sort
View
CLEF
2007
Springer
14 years 3 months ago
Amharic-English Information Retrieval with Pseudo Relevance Feedback
We describe cross language retrieval experiments using Amharic queries and English language document collection from our participation in the bilingual ad hoc track at the CLEF 20...
Atelach Alemu Argaw
EUROSSC
2009
Springer
14 years 3 months ago
Semantic Rules for Context-Aware Geographical Information Retrieval
Geographical information retrieval (GIR) can benefit from context information to adapt the results to a user’s current situation and personal preferences. In this respect, seman...
Carsten Keßler, Martin Raubal, Christoph Wos...
SIGIR
2003
ACM
14 years 2 months ago
Beyond independent relevance: methods and evaluation metrics for subtopic retrieval
We present a non-traditional retrieval problem we call subtopic retrieval. The subtopic retrieval problem is concerned with finding documents that cover many different subtopics ...
ChengXiang Zhai, William W. Cohen, John D. Laffert...
WWW
2003
ACM
14 years 10 months ago
Bridging the P2P and WWW Divide with DISCOVIR - DIStributed COntent-based Visual Information Retrieval
In the light of image retrieval evolving from text annotation to content-based and from standalone applications to web-based search engines, we foresee the need for deploying cont...
Ka Cheung Sia, Cheuk Hang Ng, Chi-Hang Chan
SIGIR
2009
ACM
14 years 3 months ago
Portfolio theory of information retrieval
This paper studies document ranking under uncertainty. It is tackled in a general situation where the relevance predictions of individual documents have uncertainty, and are depen...
Jun Wang, Jianhan Zhu