361 search results - page 38 / 73 » A Foundation for Multi-dimensional Databases |
PODS
2009
ACM
14 years 8 months ago
2009
ACM
Let be a finite, ordered alphabet, and consider a string x = x1x2 . . . xn n . A secondary index for x answers alphabet range queries of the form: Given a range [al, ar] , retu...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
Despite the widespread and growing use of asynchronous copies to improve scalability, performance and availability, this practice still lacks a firm semantic foundation. Applicati...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
We perform a theoretical study of the following queryview security problem: given a view V to be published, does V logically disclose information about a confidential query S? The...
WISE
2002
Springer
14 years 8 days ago
2002
Springer
How to extract data from XML documents is an important issue for XML research and development. However, how to view XML documents determines how they can be queried. In this paper...
FOIS
2010
13 years 8 months ago
2010
Abstract. The paper presents preliminary results in the area of ontological engineering for historical research. Historical information systems are still in the initial stage of de...