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An ER-based framework for declarative web programming

  • We describe a framework to support the implementation of web-based systems to manipulate data stored in relational databases. Since the conceptual model of a relational database is often specified as an entity-relationship (ER) model, we propose to use the ER model to generate a complete implementation in the declarative programming language Curry. This implementation contains operations to create and manipulate entities of the data model, supports authentication, authorization, session handling, and the composition of individual operations to user processes. Furthermore and most important, the implementation ensures the consistency of the database w.r.t. the data dependencies specified in the ER model, i.e., updates initiated by the user cannot lead to an inconsistent state of the database. In order to generate a high-level declarative implementation that can be easily adapted to individual customer requirements, the framework exploits previous works on declarative database programming and web user interface construction in Curry.

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Author:Michael Hanus, Sven Koschnicke
Document Type:Conference Proceeding
Year of Completion:2010
Publishing Institution:Universität Potsdam
Contributing Corporation:Gesellschaft für Logische Programmierung e.V.
Release Date:2010/03/04
Source:Proceedings of the 23rd Workshop on (Constraint) Logic Programming 2009 / Geske, Ulrich; Wolf, Armin (Hrsg.). - Potsdam : Universitätsverlag, 2010. - S. 35
RVK - Regensburg Classification:ST 304
Organizational units:Extern / Extern
Dewey Decimal Classification:0 Informatik, Informationswissenschaft, allgemeine Werke / 00 Informatik, Wissen, Systeme / 004 Datenverarbeitung; Informatik
Collections:Universität Potsdam / Tagungsbände/Proceedings (nicht forlaufend) / Proceedings of the 23rd Workshop on (Constraint) Logic Programming 2009 / Databases
Licence (German):License LogoKeine Nutzungslizenz vergeben - es gilt das deutsche Urheberrecht
Notes extern:
Note: The full version of the paper will appear in the Proceedings of the Twelfth International Symposium on Practical Aspects of Declarative Languages (PADL 2010), Springer Lecture Notes in Computer Science
DOI 10.1007/978-3-642-11503-5_18
This work was partially supported by the German Research Council (DFG) under grant Ha 2457/5-2.