613 search results - page 26 / 123 » Query Evaluation on a Database Given by a Random Graph |
228
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ICDE
2004
IEEE
16 years 3 months ago
2004
IEEE
Twig queries represent the building blocks of declarative query languages over XML data. A twig query describes a complex traversal of the document graph and generates a set of el...
261
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ICDE
2008
IEEE
17 years 1 months ago
2008
IEEE
In applications like location-based services, sensor monitoring and biological databases, the values of the database items are inherently uncertain in nature. An important query fo...
134
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IJAHUC
2008
15 years 1 months ago
2008
: Random walk and flooding are basic mechanisms for searching unstructured overlays. This paper shows that node coverage is an important metric for query performance in random grap...
130
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ESWS
2011
Springer
14 years 5 months ago
2011
Springer
The emergence of the Semantic Web has led to the creation of large semantic knowledge bases, often in the form of RDF databases. Improving the performance of RDF databases necessit...
116
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AAAI
2007
15 years 4 months ago
2007
RDF (“Resource Description Framework”) is now a widely used World Wide Web Consortium standard. However, methods to index large volumes of RDF data are still in their infancy....