Workflow technology has emerged as an appropriate platform for consolidating the distributed information resources of an enterprise, promoting interoperability across cross-platfo...
Although originally designed for large-scale electronic publishing, XML plays an increasingly important role in the exchange of data on the Web. In fact, it is expected that XML w...
There are a variety of well-known models for access control developed for purposes like formally modeling the access rights on files, databases, and web resources. However, the ex...
Carl A. Gunter, Michael J. May, Stuart G. Stubbleb...
The data cube operator exemplifies two of the most important aspects of OLAP queries: aggregation and dimension hierarchies. In earlier work we presented Dwarf, a highly compress...
We present our prototype system, OMCAT, which optimizes the reevaluation of a set of pending continuous spatio-temporal queries on trajectory data, when some of the trajectories a...