An ActOn-based semantic information service for Grids

被引：4

作者：

Xing, Wei ^{[1
]}

Corcho, Oscar ^{[2
]}

Goble, Carole ^{[1
]}

Dikaiakos, Marios D. ^{[3
]}

机构：

[1] Univ Manchester, Sch Comp Sci, Informat Management Grp, Manchester M13 9PL, Lancs, England

[2] Univ Politecn Madrid, Fac Informat, Dept Inteligencia Artificial, Ontol Engn Grp, E-28040 Madrid, Spain

[3] Univ Cyprus, Dept Comp Sci, Nicosia, Cyprus

来源：

FUTURE GENERATION COMPUTER SYSTEMS-THE INTERNATIONAL JOURNAL OF ESCIENCE | 2010年 / 26卷 / 03期

关键词：

Information services; Ontology; Semantic Grid; Grids;

D O I：

10.1016/j.future.2009.10.003

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

We describe a semantic information service that aggregates metadata from a large number of information sources of a large-scale Grid infrastructure. It uses an ontology-based information integration architecture (ActOn) suitable for the highly dynamic distributed information sources available in Grid systems, where information changes frequently and where the information of distributed sources has to be aggregated in order to solve complex queries. These two challenges are addressed by a Metadata Cache that works with an update-on-demand policy and by an information source selection module that selects the most suitable source at a given point in time. We have evaluated the quality of this information service, and compared it with other similar services from the EGEE production testbed, with promising results. (C) 2009 Elsevier B.V, All rights reserved.

引用

页码：324 / 336

页数：13

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