633 search results - page 63 / 127 » A Semantic Basis for Quest |
VLDB
2001
ACM
14 years 9 months ago
2001
ACM
Abstract In this paper we present a mechanism for approximately translating Boolean query constraints across heterogeneous information sources. Achieving the best translation is ch...
PODS
2008
ACM
14 years 9 months ago
2008
ACM
We present a formal framework for capturing the provenance of data appearing in XQuery views of XML. Building on previous work on relations and their (positive) query languages, w...
ER
2007
Springer
14 years 3 months ago
2007
Springer
This paper explores the opportunities and challenges for Conceptual Modeling in the domain of Virtual Reality (VR). VR applications are becoming more feasible due to better and fa...
FROCOS
2005
Springer
14 years 2 months ago
2005
Springer
Interface formalisms are able to model both the input requirements and the output behavior of system components; they support both bottom-up component-based design, and top-down de...
ACOM
2004
Springer
14 years 2 months ago
2004
Springer
Agent communication languages defined using joint intention theory have enjoyed a long research history. A number of performatives have been defined and refined in this literature ...