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» Laws for Rewriting Queries Containing Division Operators
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VLDB
1995
ACM
103views Database» more  VLDB 1995»
14 years 28 days ago
Querying Shapes of Histories
We present a shape definition language, called SDC, for retrieving objects based on shapes contained in the histories associated with these objects. It is a small, yet powerful, l...
Rakesh Agrawal, Giuseppe Psaila, Edward L. Wimmers...
ICDE
2005
IEEE
101views Database» more  ICDE 2005»
14 years 3 months ago
Optimization of Nested XQuery Expressions with Orderby Clauses
— XQuery, the defacto XML query language, is a functional language with operational semantics, which precludes the direct application of classical query optimization techniques. ...
Song Wang, Elke A. Rundensteiner, Murali Mani