552 search results - page 16 / 111 » On the Complexity of Join Predicates |
ATVA
2004
Springer
14 years 3 months ago
2004
Springer
We propose a novel approach to locate errors in complex counterexample of safety property. Our approach measures the distance between two state transition traces with difference o...
CIKM
2009
Springer
14 years 2 months ago
2009
Springer
Current approaches to RDF graph indexing suffer from weak data locality, i.e., information regarding a piece of data appears in multiple locations, spanning multiple data structur...
CORR
2008
Springer
13 years 10 months ago
2008
Springer
Many real-world data are maintained in relational format, with different tables storing information about entities and their links or relationships. The structure (schema) of the ...
SIGMOD
2002
ACM
14 years 10 months ago
2002
ACM
This paper addresses the problem of evaluating ranked top-? queries with expensive predicates. As major DBMSs now all support expensive user-defined predicates for Boolean queries...
SIGMOD
2007
ACM
14 years 10 months ago
2007
ACM
Declarative data quality has been an active research topic. The fundamental principle behind a declarative approach to data quality is the use of declarative statements to realize...