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Special data compression methods

Project goals

The main goal of this project is developing of new specialized compression methods which are suitable for Information Retrieval Systems. Advanced word-based compression methods for general texts, compression methods for XML documents, compression methodswith linguistic support, multidimensional index compression, and compression methods with direct access belong among developed method.

Keywords

data compressiontext compressiondirect access compressionXML compression

Public support

  • Provider

    Czech Science Foundation

  • Programme

    Post-graduate (doctorate) grants

  • Call for proposals

    Postdoktorandské granty 5 (SGA02005GA1PD)

  • Main participants

    —

  • Contest type

    VS - Public tender

  • Contract ID

    201/05/P145

Alternative language

  • Project name in Czech

    Speciální metody komprese dat

  • Annotation in Czech

    Hlavním cílem tohoto projektu je návrh specializovaných metod komprese dat využitelných pro dokumentografické informační systémy. Lze zde zahrnout pokročilé metody komprese textu založené na slovní abecedě, metody komprese XML dokumentů, lingvistická podpora komprese textů, metody komprese indexových struktur multidimenzionálních dat, metody komprese dat s přímým přístupem založené na konečných automatech.

Scientific branches

  • R&D category

    ZV - Basic research

  • CEP classification - main branch

    IN - Informatics

  • CEP - secondary branch

    —

  • CEP - another secondary branch

    —

  • 10201 - Computer sciences, information science, bioinformathics (hardware development to be 2.2, social aspect to be 5.8)

Completed project evaluation

  • Provider evaluation

    U - Uspěl podle zadání (s publikovanými či patentovanými výsledky atd.)

  • Project results evaluation

    Work on project focused on following areas: Adaptation of LZ77 compression method to word-based method - basic principle of the method and methods of sliding windows implementation are given in results of the project. Compression of plain texts and semis

Solution timeline

  • Realization period - beginning

    Jan 1, 2005

  • Realization period - end

    Dec 31, 2007

  • Project status

    U - Finished project

  • Latest support payment

    May 2, 2007

Data delivery to CEP

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

  • Data delivery code

    CEP08-GA0-GP-U/03:2

  • Data delivery date

    Oct 17, 2008

Finance

  • Total approved costs

    388 thou. CZK

  • Public financial support

    388 thou. CZK

  • Other public sources

    0 thou. CZK

  • Non public and foreign sources

    0 thou. CZK

Basic information

Recognised costs

388 CZK thou.

Public support

388 CZK thou.

100%

Provider

Czech Science Foundation

CEP

IN - Informatics

Solution period

01. 01. 2005 - 31. 12. 2007

Similar projects(10)

Optimization and parallelization of compression methods (GPP202/11/P142) Text and Tree Structures Processing and Their Applications (GA13-03253S) String and tree analysis and processing (GA201/09/0807)