740 search results - page 83 / 148 » Querying the Web of Data: A Formal Approach |
231
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SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
Tools for generating test queries for databases do not explicitly take into account the actual data in the database. As a consequence, such tools cannot guarantee suitable coverag...
166
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IPSN
2009
Springer
16 years 28 days ago
2009
Springer
In this work we present new in-network techniques for communication efficient approximate query processing in wireless sensornets. We use a model-based approach that constructs a...
143
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DBPL
2007
Springer
16 years 10 days ago
2007
Springer
Annotated relational databases can be queried either by simply making the annotations explicitly available along the ordinary data, or by adapting the standard query operators so ...
138
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DLOG
2003
15 years 7 months ago
2003
Description Logics (DLs), as a field of research, form a formal foundation of first-order semantic Web ontology languages, such as DAML+OIL and OWL. The Semantic Web will build ...
259
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VLDB
2007
ACM
16 years 6 months ago
2007
ACM
Incompleteness due to missing attribute values (aka "null values") is very common in autonomous web databases, on which user accesses are usually supported through media...