1418 search results - page 253 / 284 » A Theory of Stream Queries |
AC
1992
Springer
13 years 11 months ago
1992
Springer
Logic and databases have gone a long way together since the advent of relational databases. Already the rst basic query languages for relational databases beside relational algebra...
COLT
2006
Springer
13 years 11 months ago
2006
Springer
U-shaped learning is a learning behaviour in which the learner first learns a given target behaviour, then unlearns it and finally relearns it. Such a behaviour, observed by psych...
NIL
1991
13 years 11 months ago
1991
In this paper we consider supernormal defaults [Poo88] with a strict partial order defining their priorities [Bre91]. We investigate their relation to minimal or preferential ent...
AAAI
2007
13 years 10 months ago
2007
In auction theory, agents are typically presumed to have perfect knowledge of their valuations. In practice, though, they may face barriers to this knowledge due to transaction co...
CCS
2008
ACM
13 years 9 months ago
2008
ACM
Reflective Database Access Control (RDBAC) is a model in which a database privilege is expressed as a database query itself, rather than as a static privilege contained in an acce...