3456 search results - page 211 / 692 » Semantics in Spatial Databases |
129
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CDB
2004
Springer
15 years 7 months ago
2004
Springer
Preference queries are relational algebra or SQL queries that contain occurrences of the winnow operator (find the most preferred tuples in a given relation). We present here a nu...
DEXAW
2004
IEEE
15 years 6 months ago
2004
IEEE
A model for semantic interoperability among a repository of geographic datasets from different providers is proposed in this article. Specifically, this approach focuses on qualif...
100
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SIGMOD
2004
ACM
16 years 2 months ago
2004
ACM
The goal of having networks of seamlessly connected people, software agents and IT systems remains elusive. Early integration efforts focused on connectivity at the physical and s...
105
Voted
DEXA
2009
Springer
15 years 9 months ago
2009
Springer
In this article we define a new type of integrity constraint in XML, called an XML inclusion constraint (XIND), and show that it extends the semantics of a relational inclusion de...
128
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DEXA
2006
Springer
15 years 6 months ago
2006
Springer
Wikis are becoming popular knowledge management tools. Analysing knowledge management requirements, we observe that wikis do not fully support structured search and knowledge reuse...