A semantics-based approach to design of query languages for partial information | Zendy

Leonid Libkin | Zendy

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A semantics-based approach to design of query languages for partial information

Author(s) -

Leonid Libkin

Publication year - 1998

Publication title -

lecture notes in computer science

Language(s) - English

Resource type - Book series

SCImago Journal Rank - 0.249

H-Index - 400

eISSN - 1611-3349

pISSN - 0302-9743

DOI - 10.1007/bfb0035009

Subject(s) - computer science , semantics (computer science) , syntax , query language , relational algebra , relational database , programming language , context (archaeology) , information retrieval , natural language processing , paleontology , biology

Most of work on partial information in databases asks which operations of standard languages, like relational algebra, can still be performed correctly in the presence of nulls. In this paper a different point of view is advocated. We believe that the semantics of partiality must be clearly understood and it should give us new design principles for languages for databases with partial information.

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