223 search results - page 9 / 45 » Expressive and Efficient Peer-to-Peer Queries |
102
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PODS
2001
ACM
16 years 17 days 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...
133
Voted
ADHOCNOW
2008
Springer
15 years 1 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) ...
73
Voted
JAIR
2008
15 years 13 days 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 ...
112
Voted
WWW
2007
ACM
16 years 1 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...
102
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EDBT
2002
ACM
16 years 17 days 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...