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17

DAGSTUHL
1993

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Syntax and Semantics of Hybrid Database Languages

13 years 5 months ago

Syntax and Semantics of Hybrid Database Languages

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Abstract. We present the hybrid query language HQL/EER for an Extended Entity-Relationship model. As its main characteristic, this language allows a user to freely mix graphical and textual formulation of a query. We show how syntax and semantics of this hybrid language are formally defined by means of a slightly extended version of PROGRES, a specification formalism based on programmed and attributed graph rewriting systems.

Marc Andries, Gregor Engels

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DAGSTUHL 1993 | DAGSTUHL 2007 | Extended Entity-relationship Model | Hybrid Language | Hybrid Query Language |

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Added	02 Nov 2010
Updated	02 Nov 2010
Type	Conference
Year	1993
Where	DAGSTUHL
Authors	Marc Andries, Gregor Engels

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