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VLDB
2007
ACM
114views Database» more  VLDB 2007»
16 years 6 months ago
Optimization and evaluation of shortest path queries
We investigate the problem of how to evaluate efficiently a collection of shortest path queries on massive graphs that are too big to fit in the main memory. To evaluate a shortes...
Edward P. F. Chan, Heechul Lim
SIGMOD
2007
ACM
147views Database» more  SIGMOD 2007»
16 years 6 months ago
Extending relational query optimization to dynamic schemas for information integration in multidatabases
This paper extends relational processing and optimization to the FISQL/FIRA languages for dynamic schema queries over multidatabases. Dynamic schema queries involve the creation a...
Catharine M. Wyss, Felix I. Wyss
SIGMOD
2005
ACM
157views Database» more  SIGMOD 2005»
16 years 6 months ago
Meta-data version and configuration management in multi-vendor environments
Nearly all components that comprise modern information technology, such as Computer Aided Software Engineering (CASE) tools, Enterprise Application Integration (EAI) environments,...
John R. Friedrich
SIGMOD
2003
ACM
141views Database» more  SIGMOD 2003»
16 years 6 months ago
QC-Trees: An Efficient Summary Structure for Semantic OLAP
Recently, a technique called quotient cube was proposed as a summary structure for a data cube that preserves its semantics, with applications for online exploration and visualiza...
Laks V. S. Lakshmanan, Jian Pei, Yan Zhao
ICSE
2004
IEEE-ACM
16 years 6 months ago
Using Compressed Bytecode Traces for Slicing Java Programs
Dynamic slicing is a well-known program debugging technique. Given a program P and input I, it finds all program statements which directly/indirectly affect the values of some var...
Tao Wang, Abhik Roychoudhury