Sciweavers

NAACL
2004
13 years 6 months ago
Comparison of two interactive search refinement techniques
The paper presents two approaches to interactively refining user search formulations and their evaluation in the new High Accuracy Retrieval from Documents (HARD) track of TREC-12...
Olga Vechtomova, Murat Karamuftuoglu
IADIS
2004
13 years 6 months ago
Relevance feedback using semantic association between indexing terms in large free text corpuses
Relevance feedback has been considered as a means of incorporating learning into information retrieval systems for quite sometime now. This paper discusses the research results of...
Shahzad Khan, Kenan Azam
EMNLP
2006
13 years 6 months ago
Context-Dependent Term Relations for Information Retrieval
Co-occurrence analysis has been used to determine related words or terms in many NLP-related applications such as query expansion in Information Retrieval (IR). However, related w...
Jing Bai, Jian-Yun Nie, Guihong Cao
RIAO
2007
13 years 6 months ago
Using Markov Chains to Exploit Word Relationships in Information Retrieval
Document expansion and query expansion aim to add related terms into document and query representations in order to make them more complete. However, most previous studies are lim...
Guihong Cao, Jian-Yun Nie, Jing Bai
NIPS
2008
13 years 6 months ago
Estimating Robust Query Models with Convex Optimization
Query expansion is a long-studied approach for improving retrieval effectiveness by enhancing the user's original query with additional related words. Current algorithms for ...
Kevyn Collins-Thompson
ICWSM
2008
13 years 6 months ago
Document Representation and Query Expansion Models for Blog Recommendation
We explore several different document representation models and two query expansion models for the task of recommending blogs to a user in response to a query. Blog relevance rank...
Jaime Arguello, Jonathan L. Elsas, Jamie Callan, J...
ACL
2007
13 years 6 months ago
Statistical Machine Translation for Query Expansion in Answer Retrieval
We present an approach to query expansion in answer retrieval that uses Statistical Machine Translation (SMT) techniques to bridge the lexical gap between questions and answers. S...
Stefan Riezler, Alexander Vasserman, Ioannis Tsoch...
ACL
2008
13 years 6 months ago
A Re-examination of Query Expansion Using Lexical Resources
Query expansion is an effective technique to improve the performance of information retrieval systems. Although hand-crafted lexical resources, such as WordNet, could provide more...
Hui Fang
ICAIL
2007
ACM
13 years 6 months ago
Legal Query Expansion using Ontologies and Relevance Feedback
The aim of our research is the improvement of Boolean search with query expansion using lexical ontologies and user feedback. User studies strongly suggest that standard search tec...
Erich Schweighofer, Anton Geist
CLEF
2008
Springer
13 years 6 months ago
Ontology-Based Query Construction for GeoCLEF
This paper describes our participation in GeoCLEF. Being different from the traditional information retrieval, we focus more on the query expansion instead of document ranking. We ...
Rui Wang 0005, Günter Neumann