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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...
IFIPTCS
2000
13 years 11 months ago
An Index for Two Dimensional String Matching Allowing Rotations
We present an index to search a two-dimensional pattern of size m m in a two-dimensional text of size n n, even when the pattern appears rotated in the text. The index is based on ...
Kimmo Fredriksson, Gonzalo Navarro, Esko Ukkonen
TIP
2010
132views more  TIP 2010»
13 years 5 months ago
Compress Compound Images in H.264/MPGE-4 AVC by Exploiting Spatial Correlation
—Compound images are a combination of text, graphics and natural image. They present strong anisotropic features, especially on the text and graphics parts. These anisotropic fea...
Cuiling Lan, Guangming Shi, Feng Wu
CORR
2011
Springer
181views Education» more  CORR 2011»
13 years 2 months ago
Compressed String Dictionaries
The problem of storing a set of strings – a string dictionary – in compact form appears naturally in many cases. While classically it has represented a small part of the whole ...
Nieves R. Brisaboa, Rodrigo Cánovas, Miguel...
FUN
2010
Springer
247views Algorithms» more  FUN 2010»
14 years 8 days ago
A Fun Application of Compact Data Structures to Indexing Geographic Data
The way memory hierarchy has evolved in recent decades has opened new challenges in the development of indexing structures in general and spatial access methods in particular. In t...
Nieves R. Brisaboa, Miguel Rodríguez Luaces...