4008 search results - page 248 / 802 » An expressive language of signatures |
164
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OOPSLA
2004
Springer
15 years 12 months ago
2004
Springer
This paper describes a type system that is capable of expressing and enforcing immutability constraints. The specific constraint exis that the abstract state of the object to whi...
174
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ECAI
1998
Springer
15 years 11 months ago
1998
Springer
Many kinds of knowledge-based system would be easier to develop and maintain if domain experts (as opposed to knowledge engineers) were in a position to define and edit the knowled...
192
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SIGMOD
1996
ACM
15 years 10 months ago
1996
ACM
While much recent research has focussed on extending databases beyond the traditional relational model, relatively little has been done to develop database tools for querying data...
221
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CODASPY
2011
14 years 10 months ago
2011
Social Network Systems pioneer a paradigm of access control that is distinct from traditional approaches to access control. Gates coined the term Relationship-Based Access Control...
279
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ICDT
2009
ACM
16 years 7 months ago
2009
ACM
Schema mappings are declarative specifications that describe the relationship between two database schemas. In recent years, there has been an extensive study of schema mappings a...