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ADBIS
2009
Springer
15 years 14 days ago
2009
Springer
We consider the problem of selecting views and indexes that minimize the evaluation costs of the important queries under an upper bound on the disk space available for storing the ...
126
Voted
ICDE
2011
IEEE
14 years 6 months ago
2011
IEEE
— SQL is a classical and powerful tool for querying relational databases. However, it is rather hard for inexperienced users to pose SQL queries, as they are required to be proï¬...
140
Voted
COOPIS
2003
IEEE
15 years 8 months ago
2003
IEEE
The use of semantic knowledge in its various forms has become an important aspect in managing data in database and information systems. In the form of integrity constraints, it ha...
125
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BNCOD
2003
15 years 4 months ago
2003
In this paper we describe a query paradigm based on ontologies, aggregate table-driven querying and expansion of QBE. It has two novel features: visually specifying aggregate table...
106
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DKE
2006
15 years 2 months ago
2006
Recursive queries are quite important in the context of XML databases. In addition, several recent papers have investigated a relational approach to store XML data and there is gr...