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144
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EP
1998
Springer
15 years 10 months ago
1998
Springer
Two complementary de facto standards for the publication of electronic documents are HTML on the World Wide Web and Adobe's PDF (Portable Document Format) language for use wi...
160
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ICALP
1998
Springer
15 years 10 months ago
1998
Springer
Abstract. We study entailment of structural and nonstructural recursive subtyping constraints. Constraints are formal inequalities between type expressions, interpreted over an ord...
153
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SOFSEM
1998
Springer
15 years 10 months ago
1998
Springer
Abstract. Formal methods based on the mathematical theory of partially ordered sets (i.e., posets) have been used in the database field for the modelling of spatial data since many...
173
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ECAI
1994
Springer
15 years 10 months ago
1994
Springer
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...
141
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ECHT
1994
15 years 10 months ago
1994
In semantically rich hypertexts it is attractive to enable presentation of a network of nodes and links at different levels action. It is also important that the user can interact...