Transaction time databases retain and provide access to prior states of a database. An update “inserts” a new record while preserving the old version. Immortal DB builds trans...
David B. Lomet, Roger S. Barga, Mohamed F. Mokbel,...
The R*-tree, as a state-of-the-art spatial index, has already found its way into commercial systems like Oracle. In this paper, we aim at improving query performance of the R*tree...
This paper introduces a very compact yet discriminative video description, which allows example-based search in a large number of frames corresponding to thousands of hours of vide...
A wide-range of applications, including Publish/Subscribe, Workflow, and Web-site Personalization, require maintaining user’s interest in expected data as conditional expression...
“W3QL: A Query Language for the WWW”, published in 1995, presented a language with several distinctive features. Employing existing indexes as access paths, it allowed the sel...