Grammars++ for modelling information in text
Identifieur interne : 000342 ( Main/Exploration ); précédent : 000341; suivant : 000343Grammars++ for modelling information in text
Auteurs : Airi Salminen [Finlande] ; Frank Wm. Tompa [Canada]Source :
- Information Systems [ 0306-4379 ] ; 1996.
Abstract
Grammars provide a convenient means to describe the set of valid instances in a text database. Flexibility in choosing a grammar can be exploited to provide information modelling capability by designing productions in the grammar to represent entities and relationships of interest to database applications. Additional constraints can be specified by attaching predicates to selected nonterminals in the grammar. When used for database definition, grammars can provide the functionality that users have come to expect of database schemas. Extended grammars can also be used to specify database manipulation, including query, update, view definition, and index specification.
Url:
DOI: 10.1016/S0306-4379(99)00002-2
Affiliations:
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Le document en format XML
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