About: Compression of Concatenated Web Pages Using XBW

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	XBW is modular program for lossless compression that enables testing various combinations of algorithms. We obtained best results with XML parser creating dictionary of syllables or words combined with Burrows-Wheeler transform - hence the name XBW. The motivation for creating parser that handles non-valid XML and HTML files, has been system EGOTHOR for full-text searching. On files of size approximately 20MB, formed by hundreds of web pages, we achieved twice the compression ratio of bzip2 while running only twice as long. Program XBW enables use of parser and coder with any implemented algorithm for compression. We have implemented Burrows-Wheeler transform which together with MTF and RLE forms block compression, dictionary methods LZC and LZSS, and finally statistical method PPM. Coder offers choice of Huffman and arithmetic coding. XBW is modular program for lossless compression that enables testing various combinations of algorithms. We obtained best results with XML parser creating dictionary of syllables or words combined with Burrows-Wheeler transform - hence the name XBW. The motivation for creating parser that handles non-valid XML and HTML files, has been system EGOTHOR for full-text searching. On files of size approximately 20MB, formed by hundreds of web pages, we achieved twice the compression ratio of bzip2 while running only twice as long. Program XBW enables use of parser and coder with any implemented algorithm for compression. We have implemented Burrows-Wheeler transform which together with MTF and RLE forms block compression, dictionary methods LZC and LZSS, and finally statistical method PPM. Coder offers choice of Huffman and arithmetic coding. (en)
Title	Compression of Concatenated Web Pages Using XBW Compression of Concatenated Web Pages Using XBW (en)
skos:prefLabel	Compression of Concatenated Web Pages Using XBW Compression of Concatenated Web Pages Using XBW (en)
skos:notation	RIV/00216208:11320/08:00206205!RIV10-MSM-11320___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(1ET100300419), Z(MSM0021620838)
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Lánský, Jan
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Karlova v Praze / Matematicko-fyzikální fakulta
http://linked.open...dnocenehoVysledku	360837
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/08:00206205
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Compression; Concatenated; Pages; Using; XBW (en)
http://linked.open.../riv/klicoveSlovo	Compression Concatenated Pages XBW Using
http://linked.open...ontrolniKodProRIV	[2623F5A28D7B]
http://linked.open...v/mistoKonaniAkce	Neuveden
http://linked.open...i/riv/nazevZdroje	SOFSEM 2008: Theory and Practice of Computer Science
http://linked.open...in/vavai/riv/obor	JC
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Intelligent Models, Algorithms, Methods and Tools for the Semantic Web (realization)
http://linked.open...UplatneniVysledku	2008
http://linked.open...iv/tvurceVysledku	Lánský, Jan Šesták, Radovan
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open...ain/vavai/riv/wos	000253521400064
http://linked.open.../riv/zahajeniAkce	2008-01-01 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Moderní metody, struktury a systémy informatiky
number of pages	12 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Springer-Verlag. (Berlin; Heidelberg)
https://schema.org/isbn	978-3-540-77565-2
http://localhost/t...ganizacniJednotka	11320

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