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» Fixed-Point Query Languages for Linear Constraint Databases
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ICLP
2005
Springer
14 years 1 months ago
Abduction of Linear Arithmetic Constraints
Abduction is usually carried out on partially-defined predicates. In this paper we investigate abduction applied to fully-defined predicates, specifically linear arithmetic cons...
Michael J. Maher
ICDE
2005
IEEE
107views Database» more  ICDE 2005»
14 years 1 months ago
Search Experiment of Business-Rule by Dynamic Constraint Algebra
Abstract Although e-commerce is becoming popular, product rules, which describe various conditions such as prices, applicability, and discount conditions are still expressed in nat...
Rui Kimura, Takayuki Shiga, Mizuho Iwaihara
PODS
1999
ACM
160views Database» more  PODS 1999»
13 years 12 months ago
Queries with Incomplete Answers over Semistructured Data
Semistructured data occur in situations where information lacks a homogeneous structure and is incomplete. Yet, up to now the incompleteness of information has not been re ected b...
Yaron Kanza, Werner Nutt, Yehoshua Sagiv
DOCENG
2009
ACM
14 years 2 months ago
On the analysis of queries with counting constraints
We study the analysis problem of XPath expressions with counting constraints. Such expressions are commonly used in document transformations or programs in which they select porti...
Everardo Bárcenas, Pierre Genevès, N...
EDBT
2008
ACM
146views Database» more  EDBT 2008»
13 years 9 months ago
SPARQLing constraints for RDF
The goal of the Semantic Web is to support semantic interoperability between applications exchanging data on the web. The idea heavily relies on data being made available in machi...
Georg Lausen, Michael Meier 0002, Michael Schmidt