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IR
2000
13 years 7 months ago
Adding Compression to Block Addressing Inverted Indexes
Inverted index compression, block addressing and sequential search on compressed text are three techniques that have been separately developed for e cient, low-overhead text retrie...
Gonzalo Navarro, Edleno Silva de Moura, Marden S. ...
ESA
2011
Springer
231views Algorithms» more  ESA 2011»
12 years 7 months ago
Distribution-Aware Compressed Full-Text Indexes
Abstract. In this paper we address the problem of building a compressed self-index that, given a distribution for the pattern queries and a bound on the space occupancy, minimizes ...
Paolo Ferragina, Jouni Sirén, Rossano Ventu...
CSB
2004
IEEE
177views Bioinformatics» more  CSB 2004»
13 years 11 months ago
Compressed Pattern Matching in DNA Sequences
We propose derivative Boyer-Moore (d-BM), a new compressed pattern matching algorithm in DNA sequences. This algorithm is based on the BoyerMoore method, which is one of the most ...
Lei Chen, Shiyong Lu, Jeffrey L. Ram
SIGIR
2002
ACM
13 years 7 months ago
Unsupervised document classification using sequential information maximization
We present a novel sequential clustering algorithm which is motivated by the Information Bottleneck (IB) method. In contrast to the agglomerative IB algorithm, the new sequential ...
Noam Slonim, Nir Friedman, Naftali Tishby
ICIP
2004
IEEE
14 years 9 months ago
Multidimensional signal compression using multi-scale recurrent patterns with smooth side-match criterion
The recently proposed method for image compression based on multi-scale recurrent patterns, the MMP (Multidimensional Multiscale Parser) has been shown to perform well for a large...
Eddie B. L. Filho, Murilo B. de Carvalho, Eduardo ...