Sciweavers

40 search results - page 3 / 8
» A study of real-time query expansion effectiveness
Sort
View
ECIR
2010
Springer
13 years 6 months ago
Query Performance Prediction: Evaluation Contrasted with Effectiveness
Query performance predictors are commonly evaluated by reporting correlation coefficients to denote how well the methods perform at predicting the retrieval performance of a set of...
Claudia Hauff, Leif Azzopardi, Djoerd Hiemstra, Fr...
CIKM
2008
Springer
13 years 7 months ago
Ranking information resources in peer-to-peer text retrieval: an experimental study
This paper experimentally studies approaches to the problem of ranking information resources w.r.t. user queries in peer-to-peer information retrieval. In distributed environments...
Hans F. Witschel
WWW
2002
ACM
14 years 5 months ago
Probabilistic query expansion using query logs
Query expansion has long been suggested as an effective way to resolve the short query and word mismatching problems. A number of query expansion methods have been proposed in tra...
Hang Cui, Ji-Rong Wen, Jian-Yun Nie, Wei-Ying Ma
RIAO
2004
13 years 6 months ago
Subject Knowledge, Thesaurus-assisted Query Expansion and Search Success
This study explored how experts and novices in pedagogics expanded queries supported by the ERIC thesaurus, and how this was connected to the search success in an easy and a diffi...
Anne Sihvonen, Pertti Vakkari
READING
2004
Springer
13 years 10 months ago
Improving Document Transformation Techniques with Collaborative Learned Term-Based Concepts
Document Transformation techniques have been studied for decades. In this paper, a new approach for a significant improvement is presented based on using a new query expansion met...
Stefan Klink