1285 search results - page 76 / 257 » Deep Web Queries in a Semantic Web Environment |
179
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CIKM
2008
Springer
15 years 8 months ago
2008
Springer
Answering queries over ontologies is an important issue for the Semantic Web. Aggregate queries were widely studied for relational databases but almost no results are known for ag...
158
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WWW
2004
ACM
16 years 7 months ago
2004
ACM
This paper presents a transaction-time HTTP server, called ? Apache that supports document versioning. A document often consists of a main file formatted in HTML or XML and severa...
168
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ASWC
2009
Springer
16 years 26 days ago
2009
Springer
Abstract. The increasing amount of interlinked RDF data has finally made available the necessary building blocks for the web of data. This in turns makes it possible (and interest...
196
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DGO
2004
15 years 7 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...
140
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ICDT
1997
ACM
15 years 10 months ago
1997
ACM
The paper introduces a model of the Web as an in nite, semistructured set of objects. We reconsider the classical notions of genericity and computability of queries in this new con...