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SDM
2009
SIAM
140views Data Mining» more  SDM 2009»
14 years 7 months ago
Straightforward Feature Selection for Scalable Latent Semantic Indexing.
Latent Semantic Indexing (LSI) has been validated to be effective on many small scale text collections. However, little evidence has shown its effectiveness on unsampled large sca...
Jun Yan, Shuicheng Yan, Ning Liu, Zheng Chen
WADS
2009
Springer
268views Algorithms» more  WADS 2009»
14 years 4 months ago
Succinct Orthogonal Range Search Structures on a Grid with Applications to Text Indexing
We present a succinct representation of a set of n points on an n × n grid using n lg n + o(n lg n) bits3 to support orthogonal range counting in O(lg n/ lg lg n) time, and range ...
Prosenjit Bose, Meng He, Anil Maheshwari, Pat Mori...
VLDB
2004
ACM
134views Database» more  VLDB 2004»
14 years 3 months ago
A Privacy-Preserving Index for Range Queries
Database outsourcing is an emerging data management paradigm which has the potential to transform the IT operations of corporations. In this paper we address privacy threats in da...
Bijit Hore, Sharad Mehrotra, Gene Tsudik
CIKM
2008
Springer
14 years 3 days ago
A new method for indexing genomes using on-disk suffix trees
We propose a new method to build persistent suffix trees for indexing the genomic data. Our algorithm DiGeST (Disk-Based Genomic Suffix Tree) improves significantly over previous ...
Marina Barsky, Ulrike Stege, Alex Thomo, Chris Upt...
KAIS
2006
97views more  KAIS 2006»
13 years 10 months ago
Web image indexing by using associated texts
In order to index Web images, the whole associated texts are partitioned into a sequence of text blocks, then the local relevance of a term to the corresponding image is calculated...
Zhiguo Gong, Leong Hou U, Chan Wa Cheang