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» Hierarchy-Regularized Latent Semantic Indexing
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LWA
2004
13 years 8 months ago
Learning Prototype Ontologies by Hierachical Latent Semantic Analysis
An ontology is a speci...cation of a conceptualization, a shared understanding of some domain of interest. The paper develops an algorithm that hierarchically groups words together...
Gerhard Paaß, Jörg Kindermann, Edda Leo...
SCHOLARPEDIA
2008
109views more  SCHOLARPEDIA 2008»
13 years 6 months ago
Latent semantic analysis
A new method for automatic indexing and retrieval is described. The approach is to take advantage of implicit higher-order structure in the association of terms with documents (&q...
Thomas K. Landauer, Susan T. Dumais
DATESO
2004
118views Database» more  DATESO 2004»
13 years 8 months ago
LSI vs. Wordnet Ontology in Dimension Reduction for Information Retrieval
Abstract. In the area of information retrieval, the dimension of document vectors plays an important role. Firstly, with higher dimensions index structures suffer the "curse o...
Pavel Moravec, Michal Kolovrat, Václav Sn&a...
SIGIR
1999
ACM
13 years 11 months ago
A Similarity-based Probability Model for Latent Semantic Indexing
A dual probability model is constructed for the Latent Semantic Indexing LSI using the cosine similarity measure. Both the document-document similarity matrix and the term-term ...
Chris H. Q. Ding
IWPC
2010
IEEE
13 years 5 months ago
On the Equivalence of Information Retrieval Methods for Automated Traceability Link Recovery
Abstract—We present an empirical study to statistically analyze the equivalence of several traceability recovery methods based on Information Retrieval (IR) techniques. The analy...
Rocco Oliveto, Malcom Gethers, Denys Poshyvanyk, A...