4616 search results - page 345 / 924 » Beyond relational databases |
307
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ICDE
2006
IEEE
16 years 8 months ago
2006
IEEE
Relational division, also known as small divide, is a derived operator of the relational algebra that realizes a many-to-one set containment test, where a set is represented as a ...
186
Voted
VLDB
2004
ACM
16 years 3 days ago
2004
ACM
Relational database systems may be turned into efficient XML and XPath processors if the system is provided with a suitable relational tree encoding. This paper extends this relat...
191
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PODS
2000
ACM
15 years 11 months ago
2000
ACM
The problem of query containment is fundamental to many aspects of database systems, including query optimization, determining independence of queries from updates, and rewriting ...
180
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CORR
2008
Springer
15 years 6 months ago
2008
Springer
A purely relational account of the true XQuery semantics can turn any relational database system into an XQuery processor. Compiling nested expressions of the fully compositional X...
213
Voted
WSDM
2010
ACM
16 years 4 months ago
2010
ACM
We consider a set of views stating possibly conflicting facts. Negative facts in the views may come, e.g., from functional dependencies in the underlying database schema. We want ...