2718 search results - page 298 / 544 » Querying the deep web |
170
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CIKM
2010
Springer
15 years 5 months ago
2010
Springer
Most database systems allow query processing over attributes that are derived at query runtime (e.g., user-defined functions and remote data calls to web services), making them e...
206
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EDBT
2012
ACM
13 years 9 months ago
2012
ACM
Query optimization in RDF Stores is a challenging problem as SPARQL queries typically contain many more joins than equivalent relational plans, and hence lead to a large join orde...
175
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IDEAS
2007
IEEE
16 years 1 months ago
2007
IEEE
We present an extensible and customizable framework for the autonomous discovery of Semantic Web services based on their QoS properties. Using semantic technologies, users can spe...
154
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IEEECIT
2007
IEEE
16 years 1 months ago
2007
IEEE
Search engines have become efficient assistants for people to access information on the Web. Some researchers argue that the prevalence of search engines is setting a tough journ...
216
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ACNS
2004
Springer
16 years 3 days ago
2004
Springer
We present a practical protection mechanism against SQL injection attacks. Such attacks target databases that are accessible through a web frontend, and take advantage of flaws in...