|Table of Contents|

Uncertain Relation Schema Integration Based on Domain Knowledge

《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

Issue:
2010年04期
Page:
409-414
Research Field:
Publishing date:

Info

Title:
Uncertain Relation Schema Integration Based on Domain Knowledge
Author(s):
HU Wen-bin12LI Qian-mu1ZHANG Hong1
1.School of Computer Science and Technology,NUST,Nanjing 210094,China;2.School of Computer Engineering,Huaihai Institute of Technology,Lianyungang 222005,China
Keywords:
uncertain schema matching semantic integration proof combination methods uncertain schema integration
PACS:
TP311.13
DOI:
-
Abstract:
To resolve the uncertainty of relation schema integration in relation database,a uncertain schema integration model called URSIM(Uncertain relation schema integration model) is proposed based on domain knowledge.Domain knowledge,semantic integration method and proof combination method are applied in the model.Expression and computing methods of uncertain degree are proposed for every phase.New definitions of uncertain matching relation and uncertain schema integration are proposed.A counting method is proposed for reliability of global integrated schema.Experimental results show that the URSIM is feasible.Compared with the existed methods,the model is efficient and can reduce time complexity.

References:

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Last Update: 2012-11-02