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pro vyhledávání: '"Liu Da-xin"'
Akademický článek
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Akademický článek
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Publikováno v:
Wuhan University Journal of Natural Sciences. 11:117-121
By rapid progress of network and storage technologies, a huge amount of electronic data such as Web pages and XML has been available on Internet. In this paper, we study a data-mining problem of discovering frequent ordered sub-trees in a large colle
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::affd81601e970baedf2f67f78f6321b3
https://doi.org/10.1007/bf02831715
https://doi.org/10.1007/bf02831715
Akademický článek
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Publikováno v:
Wuhan University Journal of Natural Sciences. 10:293-296
In order to cope with varying protection granularity levels of XML (eXtensible Markup Language) documents, we propose a TXAC (Two-level XML Access Control) framework, in which an extended TRBAC (Temporal Role-Based Access Control) approach is propose
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::555e80871c231c01c16a040a405a7cf1
https://doi.org/10.1007/bf02828672
https://doi.org/10.1007/bf02828672
Autor:
Zhan Li-qiang, Liu Da-xin
Publikováno v:
Wuhan University Journal of Natural Sciences. 9:553-556
A new method for Web users fuzzy clustering based on analysis of user interest characteristic is proposed in this article. The method first defines page fuzzy categories according to the links on the index page of the site, then computes fuzzy degree
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f7faedf2217b82ebd650083bc8b5de3e
https://doi.org/10.1007/bf02831640
https://doi.org/10.1007/bf02831640
Autor:
Zhang Li-qiang, Liu Da-xin
Publikováno v:
Wuhan University Journal of Natural Sciences. 9:557-560
We propose an efficient hybrid algorithm WDHP in this paper for mining frequent access patterns. WDHP adopts the techniques of DHP to optimize its performance, which is using hash table to filter candidate set and trimming database. Whenerver the dat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::74c0507c063615e2534c5889b5adc567
https://doi.org/10.1007/bf02831641
https://doi.org/10.1007/bf02831641
Autor:
Lu Jun, Liu Da-xin
Publikováno v:
2010 International Forum on Information Technology and Applications.
Combinatorics coding is a new data coding method based on combinatorics. Ordinal computing is the core in the combinatorics coding technolog and ordinal computing lies on whole max ordinal computing. So whole max ordinal in combinatorics coding techn
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b195f835afbfefe02bca885f0f7871e7
https://doi.org/10.1109/ifita.2010.134
https://doi.org/10.1109/ifita.2010.134
Autor:
Lu Jun, Liu Da-xin
Publikováno v:
2010 International Conference On Computer Design and Applications.
Ideas of combinatorics coding and decoding are expatiated in this paper. It predicates that if only repetition exists,redundancy is inevitable. The relation between ordinal space and sequence space is studied. It opens out the characteristic that ord
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::55c7845b48c897d0afc45d1b07d264aa
https://doi.org/10.1109/iccda.2010.5541100
https://doi.org/10.1109/iccda.2010.5541100
Publikováno v:
WGEC
Text chance discovery is the process of extracting author’s potential hidden issue from a large number of texts. For the main question keyword (i.e. Chance) extracting, we propose a framework of text chance discovery system based on immune and mult
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2116868ee1710d598b221d6557774e4b
https://doi.org/10.1109/wgec.2009.149
https://doi.org/10.1109/wgec.2009.149