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SIGIR
2009
ACM
16 years 10 days 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
SIGIR
2005
ACM
15 years 11 months ago
Linear discriminant model for information retrieval
This paper presents a new discriminative model for information retrieval (IR), referred to as linear discriminant model (LDM), which provides a flexible framework to incorporate a...
Jianfeng Gao, Haoliang Qi, Xinsong Xia, Jian-Yun N...
IJSWIS
2006
108views more  IJSWIS 2006»
15 years 5 months ago
Information Retrieval by Semantic Similarity
Abstract. Semantic Similarity relates to computing the similarity between conceptually similar but not necessarily lexically similar terms. Typically, semantic similarity is comput...
Angelos Hliaoutakis, Giannis Varelas, Epimenidis V...
QI
2009
Springer
127views Physics» more  QI 2009»
16 years 11 days ago
Structured Information Retrieval and Quantum Theory
Information Retrieval (IR) systems try to identify documents relevant to user queries, which are representations of user information needs. Interaction, context, and document struc...
Benjamin Piwowarski, Mounia Lalmas
NLDB
2007
Springer
15 years 12 months ago
Cross-Lingual Information Retrieval by Feature Vectors
This paper investigates query translation in cross-lingual information retrieval, especially the challenges caused by ambiguity and polysemi. We base our ideas on feature vectors a...
Jeanine Lilleng, Stein L. Tomassen