1423 search results - page 21 / 285 » Languages of Nested Trees |
DEXA
1994
Springer
15 years 1 months ago
1994
Springer
We describe a functional database language OR-SML for handling disjunctive information in database queries, and its implementation on top of Standard ML 12]. The core language has ...
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ICDE
2006
IEEE
15 years 10 months ago
2006
IEEE
The XPath language incorporates powerful primitives for formulating queries containing nested subexpressions which are existentially or universally quantified. However, even the b...
IFIP
2004
Springer
15 years 2 months ago
2004
Springer
In global computing applications the availability of a mechanism for some form of committed choice can be useful, and sometimes necessary. It can conveniently handle, e.g., distrib...
IJAC
2010
14 years 6 months ago
2010
We give an algebraic characterization of the tree languages that are defined by logical formulas using certain Lindstr
CORR
2008
Springer
14 years 9 months ago
2008
Springer
In this paper we present a new approach to data modelling, called the concept-oriented model (CoM), and describe its main features and characteristics including data semantics and ...