833 search results - page 95 / 167 » Wallet Databases with Observers |
SIGMOD
2006
ACM
14 years 10 months ago
2006
ACM
Many sensor network applications, such as object tracking and disaster monitoring, require effective techniques for event detection. In this paper, we propose a novel event detect...
SIGMOD
2005
ACM
14 years 10 months ago
2005
ACM
We study a problem of mining frequently occurring periodic patterns with a gap requirement from sequences. Given a character sequence S of length L and a pattern P of length l, we...
PODS
2004
ACM
14 years 10 months ago
2004
ACM
We study the problem of answering queries over sources with limited access patterns. Given a first-order query Q, the problem is to decide whether there is an equivalent query whi...
EDBT
2004
ACM
14 years 10 months ago
2004
ACM
We study the problem of answering queries over sources with limited access patterns. The problem is to decide whether a given query Q is feasible, i.e., equivalent to an executable...
EDBT
2006
ACM
14 years 10 months ago
2006
ACM
Abstract. We study the following problem in a sovereign informationsharing setting: How to ensure that the individual participants, driven solely by self-interest, will behave hone...