223 search results - page 9 / 45 » Expressive and Efficient Peer-to-Peer Queries |
PODS
2001
ACM
14 years 6 months ago
2001
ACM
The need to search for complex and recurring patterns in database sequences is shared by many applications. In this paper, we discuss how to express and support efficiently sophis...
ADHOCNOW
2008
Springer
13 years 7 months ago
2008
Springer
This paper presents a novel method for optimizing sliding window based continuous queries. We deal with two categories of aggregation operations: stepwise aggregation (e.g. COUNT) ...
JAIR
2008
13 years 6 months ago
2008
Levesque proposed a generalization of a database called a proper knowledge base (KB), which is equivalent to a possibly infinite consistent set of ground literals. In contrast to ...
WWW
2007
ACM
14 years 7 months ago
2007
ACM
Syndication systems on the Web have attracted vast amounts of attention in recent years. As technologies have emerged and matured, there has been a transition to more expressive s...
EDBT
2002
ACM
14 years 6 months ago
2002
ACM
Abstract. The success of Internet applications has led to an explosive growth in the demand for bandwidth from ISPs. Managing an IP network requires collecting and analyzing networ...