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» A Formal Semantics for SPKI
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PLDI
2000
ACM
15 years 11 months ago
Functional reactive programming from first principles
Functional Reactive Programming, or FRP, is a general framework for programming hybrid systems in a high-level, declarative manner. The key ideas in FRP are its notions of behavio...
Zhanyong Wan, Paul Hudak
WER
1998
Springer
15 years 10 months ago
Towards Requirements Engineering of Active Database Systems
Active systems are emerging in many fields, being particularly interesting those like Active Database Management Systems which always provide some kind of reactive capabilities. I...
José Hilario Canós Cerdá, Jav...
COSIT
1997
Springer
115views GIS» more  COSIT 1997»
15 years 10 months ago
Qualitative Representation of Change
Current geographic information systems (GISs) have been designed for querying and maintaining static databases representing static phenomena and give little support to those users ...
Kathleen Hornsby, Max J. Egenhofer
ECAI
1994
Springer
15 years 10 months ago
Concept Language with Number Restrictions and Fixpoints, and its Relationship with Mu-calculus
Abstract. Many recent works point out that there are several possibilities of assigning a meaning to a concept definition containing some sort of recursion. In this paper, we argue...
Giuseppe De Giacomo, Maurizio Lenzerini
SIGIR
1993
ACM
15 years 10 months ago
A Model of Information Retrieval Based on a Terminological Logic
According to the logical model of Information Retrieval (IR), the task of IR can be described as the extraction, from a given document base, of those documents d that, given a que...
Carlo Meghini, Fabrizio Sebastiani, Umberto Stracc...