710 search results - page 94 / 142 » Relational Expressive Power of Constraint Query Languages |
CIDR
2009
13 years 8 months ago
2009
Natural language user interfaces to database systems have been studied for several decades now. They have mainly focused on parsing and interpreting natural language queries to ge...
VLDB
2006
ACM
14 years 8 months ago
2006
ACM
: Moving Objects Databases have become an important research issue in recent years. For and querying moving objects, there exists a comprehensive framework of abstract data types t...
ENTCS
2008
13 years 7 months ago
2008
This paper presents the language Lutin and its operational semantics. This language specifically targets the domain of reactive systems, where an execution is a (virtually) infini...
ICLP
1994
Springer
13 years 12 months ago
1994
Springer
Constructive negation has been proved to be a valid alternative to negation as failure, especially when negation is required to have, in a sense, an `active' role. In this pa...
CORR
2008
Springer
13 years 7 months ago
2008
Springer
A purely relational account of the true XQuery semantics can turn any relational database system into an XQuery processor. Compiling nested expressions of the fully compositional X...