Regaining the conceptual level in object oriented modelling
Conference Proceeding
Barclay, P. J., & Kennedy, J. (1991)
Regaining the conceptual level in object oriented modelling. In Proceedings of the 9th British National Conference on Databases, Aspects of Databases, (BNCOD 9) (269-305
This paper attempts to develop a conceptual model for the object oriented description of data. We abstract from various logical model features essential for thinking about dat...
Using a metadata software layer in information systems integration.
Conference Proceeding
Roantree, M., Kennedy, J., & Barclay, P. J. (2001)
Using a metadata software layer in information systems integration. In Advanced systems engineering: CAiSE'01 - Software Engineering meets Information Systems Engineering (299-314). https://doi.org/10.1007/3-540-45341-5_20
A federated information system requires that multiple (often heterogenous) information systems are integrated to an extent that they can share data. This shared data often tak...
A problem in querying recursive patterns with OQL
Working Paper
Raguenaud, C., Kennedy, J., & Barclay, P. J. A problem in querying recursive patterns with OQL)
Raguenaud, C., Kennedy, J., & Barclay, P. J. A problem in querying recursive patterns with OQL
This paper analyses the problem generated by recursive patterns in typed query languages such as OQL [Cattell '97]. Recursive patterns describe hierarchical structures such as...