It is a fact that many XML query languages lack support for update operations. Those that have minimal support do not concern with preserving documents' constraints, and cons...
In recent years, there has been a large increase in the amount of spatial data obtained from remote sensing, GPS receivers, communication terminals and other domains. Data warehous...
This paper describes clime, a web-based legal advisory system with a multilingual natural language interface. clime is a `proof-of-concept' system which answers queries relat...
Roger Evans, Paul Piwek, Lynne J. Cahill, Neil Tip...
Efficient indexing techniques have been developed for the exact and approximate substructure search in large scale graph databases. Unfortunately, the retrieval problem of structu...
We present the Priority R-tree, or PR-tree, which is the first R-tree variant that always answers a window query using O((N/B)1-1/d + T/B) I/Os, where N is the number of ddimensio...
Lars Arge, Mark de Berg, Herman J. Haverkort, Ke Y...