1059 search results - page 149 / 212 » Standard Logics Are Valuation-Nonmonotonic |
WWW
2001
ACM
14 years 10 months ago
2001
ACM
XQForms is the first generator of Web-based query forms and reports for XML data. XQForms takes as input (i) XML Schemas that model the data to be queried and presented, (ii) decl...
STOC
2009
ACM
14 years 10 months ago
2009
ACM
Non-relativization of complexity issues can be interpreted as giving some evidence that these issues cannot be resolved by "black-box" techniques. In the early 1990'...
SIGMOD
2008
ACM
14 years 10 months ago
2008
ACM
Schema integration is the problem of creating a unified target schema based on a set of existing source schemas that relate to each other via specified correspondences. The unifie...
SIGMOD
2001
ACM
14 years 10 months ago
2001
ACM
We study the problem of generating e cient, equivalent rewritings using views to compute the answer to a query. We take the closed-world assumption, in which views are materialize...
ICFP
2005
ACM
14 years 10 months ago
2005
ACM
Monads are commonplace programming devices that are used to uniformly structure computations with effects such as state, exceptions, and I/O. This paper further develops the monad...