726 search results - page 67 / 146 » Extended Query Answering Using Integrity Rules |
SIGMOD
1999
ACM
14 years 1 months ago
1999
ACM
In this paper we present a mechanism for translating constraint queries, i.e., Boolean expressions of constraints, across heterogeneous information sources. Integrating such syste...
ECSQARU
2001
Springer
14 years 1 months ago
2001
Springer
Abstract. In this paper, we first investigate set semantics of propositional logic in terms of rough sets and discuss how truth values of propositions (sentences) can be interpret...
IADIS
2004
13 years 10 months ago
2004
Internet has changed many aspects of our society, transforming it in e-society, and is having special importance in business world, Internet has converted business in e-business. ...
JUCS
2010
13 years 3 months ago
2010
: We address the question of how to communicate among distributed processes values such as real numbers, continuous functions and geometrical solids with arbitrary precision, yet e...
AAMAS
2011
Springer
13 years 3 months ago
2011
Springer
We study the case where agents have preferences over ranges (intervals) of values, and we wish to elicit and aggregate these preferences. For example, consider a set of climatologi...