86 search results - page 11 / 18 » das 2004 |
VLDB
2004
ACM
14 years 1 days ago
2004
ACM
Ontologies are increasingly being used to build applications that utilize domain-specific knowledge. This paper addresses the problem of supporting ontology-based semantic matchin...
ACSAC
2004
IEEE
13 years 10 months ago
2004
IEEE
Anomaly-based Intrusion Detection (AID) techniques are useful for detecting novel intrusions without known signatures. However, AID techniques suffer from higher false alarm rate ...
ATAL
2004
Springer
14 years 3 days ago
2004
Springer
The goal of autonomic computing is to create computing systems capable of managing themselves to a far greater extent than they do today. This paper presents Unity, a decentralize...
VLDB
2004
ACM
14 years 1 days ago
2004
ACM
We consider the problem of estimating set-expression cardinality in a distributed streaming environment where rapid update streams originating at remote sites are continually tran...
SIGMOD
2004
ACM
14 years 6 months ago
2004
ACM
Block-level sampling is far more efficient than true uniform-random sampling over a large database, but prone to significant errors if used to create database statistics. In this ...