A mediator is a domain-speci c tool to support uniform access to multiple heterogeneous information sources and to abstract and combine data from different but related databases t...
Jacques Calmet, Sebastian Jekutsch, Joachim Sch&uu...
We demonstrate ProgXe, a practical approach to support MultiCriteria Decision Support (MCDS) applications that need to report results as they are being generated to enable the use...
In this paper, we propose an online aggregation system called COSMOS (Continuous Sampling for Multiple queries in an Online aggregation System), to process multiple aggregate quer...
We follow the stack-baaed approach to query languages which is a new formal and intellectual paradigm for integrating querying and programming for object-oriented databases. Queri...
Kazimierz Subieta, Yahiko Kambayashi, Jacek Leszcz...
Commercial relational database systems today provide only limited temporal support. To address the needs of applications requiring rich temporal data and queries, we have built TI...