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RIAO
2007
13 years 10 months ago
Investigating Retrieval Performance with Manually-Built Topic Models
Modeling text with topics is currently a popular research area in both Machine Learning and Information Retrieval (IR). Most of this research has focused on automatic methods thou...
Xing Wei, W. Bruce Croft
TAL
2010
Springer
13 years 6 months ago
Concept Based Representations for Ranking in Geographic Information Retrieval
Abstract. Geographic Information Retrieval (GIR) is a specialized Information Retrieval (IR) branch that deals with information related to geographical locations. Traditional IR en...
Maya Carrillo, Esaú Villatoro-Tello, Aureli...
SIGIR
2010
ACM
14 years 7 days ago
Context aware query classification using dynamic query window and relationship net
The context of the user queries, preceding a given query, is utilized to improve the effectiveness of query classification. Earlier efforts utilize fixed number of preceding queri...
Nazli Goharian, Saket S. R. Mengle
ERCIMDL
2006
Springer
173views Education» more  ERCIMDL 2006»
14 years 4 days ago
Evaluation of Relevance and Knowledge Augmentation in Discussion Search
Annotation-based discussions are an important concept for today's digital libraries and those of the future, containing additional information to and about the content managed...
Ingo Frommholz, Norbert Fuhr
IPM
2006
83views more  IPM 2006»
13 years 8 months ago
A risk minimization framework for information retrieval
This paper presents a probabilistic information retrieval framework in which the retrieval problem is formally treated as a statistical decision problem. In this framework, querie...
ChengXiang Zhai, John D. Lafferty