PVLDB
2008
13 years 4 months ago
2008
In information extraction, uncertainty is ubiquitous. For this reason, it is useful to provide users querying extracted data with explanations for the answers they receive. Provid...
LISP
2008
13 years 4 months ago
2008
For functional programs, unboxing aggregate data structures such as tuples removes memory indirections and frees dead components of the decoupled structures. To explore the consequ...
ER
2008
Springer
13 years 6 months ago
2008
Springer
The existing approaches of keyword search over relational databases always identify the relationships between tuples on the fly, which are rather inefficient as such relational rel...
VLDB
1989
ACM
13 years 8 months ago
1989
ACM
In this paper. we utilize intervals for unknown values in incompleterelational databases.We usetablesto representunknown relations. First, we define three partial tuple types in a...
CIKM
2009
Springer
13 years 11 months ago
2009
Springer
Most of existing methods of keyword search over relational databases find the Steiner trees composed of relevant tuples as the answers. They identify the Steiner trees by discove...