Block-oriented Dense Compressor

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21240%2F11%3A00179453" target="_blank" >RIV/68407700:21240/11:00179453 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Block-oriented Dense Compressor
Original language description
We address the problem of block-oriented natural language compression. The block-oriented compression is semi-adaptive in terms of one block but it is adaptive in terms of whole input. Our block-oriented compression method is based on Dense Code idea. Itachieves very good compression ratio around 32 % on natural language text. We show that our compression method has some interesting properties which could be applied in digital libraries and other textual databases. The compression method allows directsearching on compressed text. Moreover the vocabulary can be used as a block index which makes some kinds of searching very fast. Another property is that the compressor can send single blocks with corresponding vocabulary which is considerate to limitedbandwidth. In addition the compressed file can be continuously extended without need of previous decompression.
Czech name
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Czech description
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Project
<a href="/en/project/GA201%2F09%2F0807" target="_blank" >GA201/09/0807: String and tree analysis and processing</a><br>
Continuities
Z - Vyzkumny zamer (s odkazem do CEZ)<br>S - Specificky vyzkum na vysokych skolach

Publication year
2011
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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