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159
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ATAL
2003
Springer
15 years 7 months ago
2003
Springer
Personalized information agents can help overcome some of the limitations of communal Web information sources such as portals and search engines. Two important components of these...
136
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DOOD
1995
Springer
15 years 7 months ago
1995
Springer
Abstract. Semistructured data has no absolute schema xed in advance and its structure may be irregular or incomplete. Such data commonly arises in sources that do not impose a rigi...
147
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ESWS
2008
Springer
15 years 5 months ago
2008
Springer
Both Topic Maps and RDF are popular semantic web standards designed for machine processing of web documents. Since these representations were originally created for different purpo...
127
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AAAI
2006
15 years 5 months ago
2006
We consider the problem of rewriting a query efficiently using materialized views. In the context of information integration, this problem has received significant attention in th...
166
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DGO
2004
15 years 5 months ago
2004
This paper describes a Web-based query system for semantically heterogeneous government-produced data. Geospatial Web-based information systems and portals are currently being dev...