Rossano Venturini 
Compressed Data Structures for Strings [PDF ebook] 
On Searching and Extracting Strings from Compressed Textual Data

Soporte

Data compression is mandatory to manage massive datasets, indexing is fundamental to query them. However, their goals appear as counterposed: the former aims at minimizing data redundancies, whereas the latter augments the dataset with auxiliary information to speed up the query resolution. In this monograph we introduce solutions that overcome this dichotomy. We start by presenting the use of optimization techniques to improve the compression of classical data compression algorithms, then we move to the design of compressed data structures providing fast random access or efficient pattern matching queries on the compressed dataset. These theoretical studies are supported by experimental evidences of their impact in practical scenarios.

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Tabla de materias

Introduction.- Basic concepts.- Optimally partitioning a text to improve its compression.- Bit-complexity of Lempel-Ziv compression.- Fast random access on compressed data.- Experiments on compressed full-text indexing.- Dictionary indexes.- Future directions of research.

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Idioma Inglés ● Formato PDF ● Páginas 118 ● ISBN 9789462390331 ● Tamaño de archivo 2.4 MB ● Edad 02-99 años ● Editorial Atlantis Press ● Ciudad Paris ● País NL ● Publicado 2013 ● Descargable 24 meses ● Divisa EUR ● ID 4621824 ● Protección de copia DRM social

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