2724 search results - page 267 / 545 » Optimizing Queries on Files |
238
click to vote
ICDE
2005
IEEE
16 years 5 months ago
2005
IEEE
Semantic caching enables mobile clients to answer spatial queries locally by storing the query descriptions together with the results. However, it supports only a limited number o...
270
click to vote
STOC
2003
ACM
16 years 4 months ago
2003
ACM
In dynamic stabbing, we operate on a dynamic set of intervals. A stabbing query asks for an interval containing a given point. This basic problem encodes problems such as method l...
231
click to vote
VLDB
2004
ACM
16 years 4 months ago
2004
ACM
In this paper, we propose a new tunable index scheme, called iMinMax(), that maps points in highdimensional spaces to single-dimensional values determined by their maximum or minim...
138
click to vote
SIGMOD
2004
ACM
16 years 4 months ago
2004
ACM
Current day database applications, with large numbers of users, require fine-grained access control mechanisms, at the level of individual tuples, not just entire relations/views,...
129
click to vote
ICDE
2007
IEEE
15 years 10 months ago
2007
IEEE
Privacy is a serious concern when microdata need to be released for ad hoc analyses. The privacy goals of existing privacy protection approaches (e.g., -anonymity and -diversity) ...