Sciweavers

428 search results - page 27 / 86
» A framework for efficient regression tests on database appli...
Sort
View
SIGMOD
1996
ACM
120views Database» more  SIGMOD 1996»
14 years 1 months ago
Implementing Data Cubes Efficiently
Decision support applications involve complex queries on very large databases. Since response times should be small, query optimization is critical. Users typically view the data ...
Venky Harinarayan, Anand Rajaraman, Jeffrey D. Ull...
ICFEM
2009
Springer
14 years 3 months ago
Symbolic Query Exploration
Abstract. We study the problem of generating a database and parameters for a given parameterized SQL query satisfying a given test condition. We introduce a formal background theor...
Margus Veanes, Pavel Grigorenko, Peli de Halleux, ...
EDBT
2002
ACM
92views Database» more  EDBT 2002»
14 years 9 months ago
XQuery by the Book: The IPSI XQuery Demonstrator
The IPSI XQuery Demonstrator (IPSI-XQ) implements the XQuery surface syntax, its mapping to the XQuery Core Language, and the static and dynamic semantics of XQuery Core "by t...
Peter Fankhauser, Tobias Groh, Sven Overhage
ICML
2010
IEEE
13 years 10 months ago
Learning Temporal Causal Graphs for Relational Time-Series Analysis
Learning temporal causal graph structures from multivariate time-series data reveals important dependency relationships between current observations and histories, and provides a ...
Yan Liu 0002, Alexandru Niculescu-Mizil, Aurelie C...
SIGMOD
2002
ACM
114views Database» more  SIGMOD 2002»
14 years 9 months ago
Time-parameterized queries in spatio-temporal databases
Time-parameterized queries (TP queries for short) retrieve (i) the actual result at the time that the query is issued, (ii) the validity period of the result given the current mot...
Yufei Tao, Dimitris Papadias