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ICDE
2005
IEEE
101views Database» more  ICDE 2005»
15 years 12 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
CORR
2011
Springer
198views Education» more  CORR 2011»
15 years 1 months ago
Kron Reduction of Graphs with Applications to Electrical Networks
Abstract. Consider a weighted and undirected graph, possibly with self-loops, and its corresponding Laplacian matrix, possibly augmented with additional diagonal elements correspon...
Florian Dörfler, Francesco Bullo
ICDE
1997
IEEE
114views Database» more  ICDE 1997»
16 years 7 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
POPL
2003
ACM
16 years 6 months ago
A generic approach to the static analysis of concurrent programs with procedures
We present a generic aproach to the static analysis of concurrent programs with procedures. We model programs as communicating pushdown systems. It is known that typical dataflow ...
Ahmed Bouajjani, Javier Esparza, Tayssir Touili
SIGMOD
2006
ACM
159views Database» more  SIGMOD 2006»
16 years 6 months ago
Flexible and efficient XML search with complex full-text predicates
Recently, there has been extensive research that generated a wealth of new XML full-text query languages, ranging from simple Boolean search to combining sophisticated proximity a...
Sihem Amer-Yahia, Emiran Curtmola, Alin Deutsch