Papantonakis, A. and King, Peter J.H. (1994) Gql, a declarative graphical query language based on the functional data model. In: Costabile, M.F. and Catarci, T. and Levialdi, S. and Santucci, G. (eds.) Proceedings of the Workshop on Advanced Visual Interfaces: AVI 1994. Association for Computing Machinery, pp. 113-122. ISBN 9780897917339.
Abstract
We present in this paper Gql, a declarative graphical query language based on the functional data model. Gql queries are fully represented by a single diagram. Without containing any explicit boolean operators or logical quantifiers, Gql provides users of varying degrees of programming experience, with the same expressive power for retrieval as SQL. The design philosophy and characteristics of the language are discussed, and an informal presentation of Gql's constructs and semantics is given. Finally, gql_int, the implementation of an interface for the language, is described.
Metadata
| Item Type: | Book Section |
|---|---|
| School: | Birkbeck Faculties and Schools > Faculty of Science > School of Computing and Mathematical Sciences |
| Depositing User: | Sarah Hall |
| Date Deposited: | 04 May 2021 16:13 |
| Last Modified: | 09 Aug 2023 12:50 |
| URI: | https://eprints.bbk.ac.uk/id/eprint/44103 |
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