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» Compression of inverted indexes for fast query evaluation
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WISE
2009
Springer
14 years 2 months ago
Entry Pairing in Inverted File
Abstract. This paper proposes to exploit content and usage information to rearrange an inverted index for a full-text IR system. The idea is to merge the entries of two frequently ...
Hoang Thanh Lam, Raffaele Perego, Nguyen Thoi Minh...
ICDE
2010
IEEE
288views Database» more  ICDE 2010»
14 years 5 months ago
Fast In-Memory XPath Search using Compressed Indexes
A large fraction of an XML document typically consists of text data. The XPath query language allows text search via the equal, contains, and starts-with predicates. Such predicate...
Diego Arroyuelo, Francisco Claude, Sebastian Manet...
CPM
2010
Springer
175views Combinatorics» more  CPM 2010»
13 years 10 months ago
Compression, Indexing, and Retrieval for Massive String Data
The field of compressed data structures seeks to achieve fast search time, but using a compressed representation, ideally requiring less space than that occupied by the original i...
Wing-Kai Hon, Rahul Shah, Jeffrey Scott Vitter
WWW
2008
ACM
14 years 6 months ago
Application of bitmap index to information retrieval
To solve this problem, we devised the HS-bitmap index, which is hierarchically comprised of compressed data of summary bits. A summary bit in an upper matrix is obtained by logical...
Kengo Fujioka, Yukio Uematsu, Makoto Onizuka