12 citations · 23 across the 14 of their papers we have counts for
5 papers · 1 filter
Conceptual Schema Optimisation -- Database Optimisation before sliding down the Waterfall
Henderik A. Proper, Terry A. Halpin
In this article we discuss an approach to database optimisation in which a conceptual schema is optimised by applying a sequence of transformations. By performing these optimisatio…
ConQuer-92 -- The revised report on the conceptual query language LISA-D
H. A. Proper
In this report the conceptual query language ConQuer-92 is introduced. This query language serves as the backbone of InfoAssistant's query facilities. Furthermore, this language ca…
Interactive Query Formulation using Spider Queries
H. A. Proper
Effective information disclosure in the context of databases with a large conceptual schema is known to be a non-trivial problem. In particular the formulation of ad-hoc queries is…
Generating Significant Examples for Conceptual Schema Validation
H. A. Proper
This report bases itself on the idea of using concrete examples to verify conceptual schemas, and in particular cardinality constraints. When novice ORM modellers model domains, th…
Interactive Query Formulation using Point to Point Queries
Henderik Alex Proper
Effective information disclosure in the context of databases with a large conceptual schema is known to be a non-trivial problem. In particular the formulation of ad-hoc queries is…