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CL
2000
Springer
15 years 2 months ago
A Semantic Approach for Schema Evolution and Versioning in Object-Oriented Databases
Abstract. In this paper a semantic approach for the specification and the management of databases with evolving schemata is introduced. It is shown how a general object-oriented m...
Enrico Franconi, Fabio Grandi, Federica Mandreoli
ASIAN
1998
Springer
99views Algorithms» more  ASIAN 1998»
15 years 2 months ago
Eventuality in LOTOS with a Disjunction Operator
LOTOS is a formal specification language, designed for the precise description of open distributed systems and protocols. Our purpose is to introduce the operators of logics (for e...
Yoshinao Isobe, Yutaka Sato, Kazuhito Ohmaki
DLOG
2007
15 years 10 days ago
DLMedia: an Ontology Mediated Multimedia Information Retrieval System
We outline DLMedia, an ontology mediated multimedia information retrieval system, which combines logic-based retrieval with multimedia featurebased similarity retrieval. An ontolog...
Umberto Straccia, Giulio Visco
DLOG
2007
15 years 10 days ago
Planning in Action Formalisms based on DLs: First Results
Abstract. In this paper, we continue the recently started work on integrating action formalisms with description logics (DLs), by investigating planning in the context of DLs. We p...
Maja Milicic
DLOG
2007
15 years 10 days ago
Modularity in DL-Lite
We develop a formal framework for modular ontologies by analysing four notions of conservative extensions and their applications in refining, re-using, merging, and segmenting ont...
Roman Kontchakov, Frank Wolter, Michael Zakharyasc...