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» Evaluating a Formal Modelling Language
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SIGIR
2006
ACM
15 years 3 months ago
LDA-based document models for ad-hoc retrieval
Search algorithms incorporating some form of topic model have a long history in information retrieval. For example, cluster-based retrieval has been studied since the 60s and has ...
Xing Wei, W. Bruce Croft
ICDE
1994
IEEE
103views Database» more  ICDE 1994»
15 years 1 months ago
A Multi-Set Extended Relational Algebra - A Formal Approach to a Practical Issue
The relational data model is based on sets of tuples, i.e. it does not allow duplicate tuples in a relation. Many database languages and systems do require multi-set place, the hi...
Paul W. P. J. Grefen, Rolf A. de By
CCS
2003
ACM
15 years 3 months ago
Formal access control analysis in the software development process
Security is a crucial aspect in any modern software system. To ensure security in the final product, security requirements must be considered in the entire software development p...
Manuel Koch, Francesco Parisi-Presicce
AAAI
2007
15 years 2 days ago
A Logic of Emotions for Intelligent Agents
This paper formalizes a well-known psychological model of emotions in an agent specification language. This is done by introducing a logical language and its semantics that are u...
Bas R. Steunebrink, Mehdi Dastani, John-Jules Ch. ...
ISMB
1993
14 years 11 months ago
Grammatical Formalization of Metabolic Processes
In the field of biotechnologyand medicineit is of interest to modeland simulate metabolicprocesses. The usual methods to model metabolic pathwaysare chemicaldescriptions anddiffer...
Ralf Hofestädt