2070 search results - page 195 / 414 » Querying Communities in Relational Databases |
ICDT
1997
ACM
15 years 3 months ago
1997
ACM
The paper introduces a model of the Web as an in nite, semistructured set of objects. We reconsider the classical notions of genericity and computability of queries in this new con...
111
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EDBTW
2010
Springer
15 years 2 months ago
2010
Springer
Successfully structuring information in databases, OLAP cubes, and XML is a crucial element in managing data nowadays. However this process brought new challenges to usability. It...
80
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ALT
2000
Springer
15 years 4 months ago
2000
Springer
A conjunctive query problem in relational database theory is a problem to determine whether or not a tuple belongs to the answer of a conjunctive query over a database. Here, a tup...
140
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ICDE
2012
IEEE
13 years 2 months ago
2012
IEEE
Abstract—Relational database management systems are general in the sense that they can handle arbitrary schemas, queries, and modifications; this generality is implemented using...
103
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SSDBM
2007
IEEE
15 years 5 months ago
2007
IEEE
We consider pedigree data structured in the form of a directed acyclic graph, and use an encoding scheme, called NodeCodes, for expediting the evaluation of queries on pedigree gr...