6597 search results - page 179 / 1320 » Orderings and Types in Databases |
EJC
2003
13 years 11 months ago
2003
We present a logic programming based dialogue system that enables the access in natural language to the heterogeneous external relational databases of the Évora University. The p...
WWW
2007
ACM
14 years 10 months ago
2007
ACM
Schema statements in OWL are interpreted quite differently from analogous statements in relational databases. If these statements are meant to be interpreted as integrity constrai...
BMCBI
2006
13 years 9 months ago
2006
Integration of heterogeneous data types is a challenging problem, especially in biology, where the number of databases and data types increase rapidly. Amongst the problems that o...
SIGMOD
2008
ACM
14 years 9 months ago
2008
ACM
Freebase is a practical, scalable tuple database used to structure general human knowledge. The data in Freebase is collaboratively created, structured, and maintained. Freebase c...
SIGMOD
2004
ACM
14 years 9 months ago
2004
ACM
The increasing use of temporal and spatial data in presentday relational systems necessitates an efficient support of joins on interval-valued attributes. Standard join algorithms...