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ICMLA
2008
13 years 10 months ago
Graph-Based Multilevel Dimensionality Reduction with Applications to Eigenfaces and Latent Semantic Indexing
Dimension reduction techniques have been successfully applied to face recognition and text information retrieval. The process can be time-consuming when the data set is large. Thi...
Sophia Sakellaridi, Haw-ren Fang, Yousef Saad
IJCNLP
2004
Springer
14 years 2 months ago
Bilingual Chunk Alignment Based on Interactional Matching and Probabilistic Latent Semantic Indexing
Abstract. An integrated method for bilingual chunk partition and alignment, called “Interactional Matching”, is proposed in this paper. Different from former works, our method...
Feifan Liu, Qianli Jin, Jun Zhao, Bo Xu
SIGKDD
2010
146views more  SIGKDD 2010»
13 years 3 months ago
Latent semantic indexing (LSI) fails for TREC collections
The aim of latent semantic indexing (LSI) is to uncover the relationships between terms, hidden concepts, and documents. LSI uses the matrix factorization technique known as singu...
Avinash Atreya, Charles Elkan
TREC
2001
13 years 10 months ago
Challenges of Multi-Mode IR Software
Web track results are presented. A software project, IRTools, is described. IRTools is intended to enable information retrieval (IR) experimentation by incorporating methods for m...
Gregory B. Newby
HICSS
2010
IEEE
200views Biometrics» more  HICSS 2010»
13 years 10 months ago
Instability of Relevance-Ranked Results Using Latent Semantic Indexing for Web Search
1 The latent semantic indexing (LSI) methodology for information retrieval applies the singular value decomposition to identify an eigensystem for a large matrix, in which cells re...
Houssain Kettani, Gregory B. Newby