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» Stability for Effective Algebras
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VLDB
2006
ACM
124views Database» more  VLDB 2006»
16 years 3 days ago
Query optimization in XML structured-document databases
While the information published in the form of XML-compliant documents keeps fast mounting up, efficient and effective query processing and optimization for XML have now become mor...
Dunren Che, Karl Aberer, M. Tamer Özsu
ICDE
2006
IEEE
193views Database» more  ICDE 2006»
16 years 1 months ago
On Pushing Multilingual Query Operators into Relational Engines
To effectively support today's global economy, database systems need to manage data in multiple languages simultaneously. While current database systems do support the storag...
A. Kumaran, Pavan K. Chowdary, Jayant R. Haritsa
ICDE
1997
IEEE
114views Database» more  ICDE 1997»
16 years 1 months ago
Modeling Multidimensional Databases
We propose a data model and a few algebraic operations that provide semantic foundation to multidimensional databases. The distinguishing feature of the proposed model is the symm...
Rakesh Agrawal, Ashish Gupta, Sunita Sarawagi
VMCAI
2005
Springer
15 years 5 months ago
Generalized Typestate Checking for Data Structure Consistency
Abstract. We present an analysis to verify abstract set specifications for programs that use object field values to determine the membership of objects in abstract sets. In our a...
Patrick Lam, Viktor Kuncak, Martin C. Rinard
LICS
2003
IEEE
15 years 5 months ago
Structural Subtyping of Non-Recursive Types is Decidable
We show that the first-order theory of structural subtyping of non-recursive types is decidable, as a consequence of a more general result on the decidability of term powers of d...
Viktor Kuncak, Martin C. Rinard