978 search results - page 161 / 196 » Xyleme Query Architecture |
WWW
2007
ACM
15 years 12 months ago
2007
ACM
Available methodologies for developing Sematic Web applications do not fully exploit the whole potential deriving from interaction with ontological data sources. Here we introduce...
WWW
2006
ACM
15 years 12 months ago
2006
ACM
We present an empirical evaluation and comparison of two content extraction methods in HTML: absolute XPath expressions and relative XPath expressions. We argue that the relative ...
WWW
2004
ACM
15 years 12 months ago
2004
ACM
Web Information Systems (WIS) support the process of retrieving information from sources on the Web and of presenting them as a hypermedia presentation. Most WIS design ogies focu...
166
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VLDB
2007
ACM
15 years 11 months ago
2007
ACM
We consider systems for data sharing among heterogeneous peers related by a network of schema mappings. Each peer has a locally controlled and edited database instance, but wants ...
165
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SIGMOD
2005
ACM
15 years 11 months ago
2005
ACM
In recent years there has been considerable research on automated selection of physical design in database systems. In current solutions, candidate access paths are heuristically ...