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» Reformulating Constraint Models Using Input Data
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CPAIOR
2009
Springer
14 years 25 days ago
Reformulating Global Grammar Constraints
An attractive mechanism to specify global constraints in rostering and other domains is via formal languages. For instance, the REGULAR and GRAMMAR constraints specify constraints ...
George Katsirelos, Nina Narodytska, Toby Walsh
ICN
2005
Springer
13 years 11 months ago
Primary/Secondary Path Generation Problem: Reformulation, Solutions and Comparisons
Abstract. This paper considers the primary and secondary path generation problem in traffic engineering. We first present a standard MILP model. Since its size and integrality gap...
Quanshi Xia, Helmut Simonis
MOBIDE
2006
ACM
14 years 7 days ago
Towards correcting input data errors probabilistically using integrity constraints
Mobile and pervasive applications frequently rely on devices such as RFID antennas or sensors (light, temperature, motion) to provide them information about the physical world. Th...
Nodira Khoussainova, Magdalena Balazinska, Dan Suc...
ICONS
2009
IEEE
14 years 28 days ago
Modeling System Safety Requirements Using Input/Output Constraint Meta-automata
Most recent software related accidents have been system accidents. To validate the absence of system hazards concerning dysfunctional interactions, industrials call for approaches...
Zhe Chen, Gilles Motet
ADBIS
2004
Springer
224views Database» more  ADBIS 2004»
13 years 11 months ago
Using Ontologies for Database Query Reformulation
Abstract. Query reformulation techniques based on semantic knowledge have been used in two ways in database management systems, namely for query optimization and for data integrati...
Chokri Ben Necib, Johann Christoph Freytag