VLDB
2004
ACM
13 years 10 months ago
2004
ACM
Adaptive query processing schemes attempt to reoptimize query plans during the course of query execution. A variety of techniques for adaptive query processing have been proposed,...
VLDB
2004
ACM
13 years 10 months ago
2004
ACM
We demonstrate a system to automatically grab data from data intensive web sites. The system first infers a model that describes at the intensional level the web site as a collec...
VLDB
2004
ACM
13 years 10 months ago
2004
ACM
Advances in data acquisition and sensor technologies are leading towards the development of “High Fan-in” architectures: widely distributed systems whose edges consist of nume...
VLDB
2004
ACM
13 years 10 months ago
2004
ACM
VLDB
2004
ACM
13 years 10 months ago
2004
ACM
We investigate the problem of ranking answers to a database query when many tuples are returned. We adapt and apply principles of probabilistic models from Information Retrieval f...
VLDB
2004
ACM
13 years 10 months ago
2004
ACM
VLDB
2004
ACM
13 years 10 months ago
2004
ACM
VLDB
2004
ACM
13 years 10 months ago
2004
ACM
This paper studies Data Stream Management Systems that combine real-time data streams with historical data, and hence access incoming streams and archived data simultaneously. A s...
VLDB
2004
ACM
13 years 10 months ago
2004
ACM
This paper presents a novel and complementary technique to optimize an XPath query by minimizing its wildcard steps. Our approach is based on using a general composite axis called...
VLDB
2004
ACM
13 years 10 months ago
2004
ACM
Existing studies on time series are based on two categories of distance functions. The first category consists of the Lp-norms. They are metric distance functions but cannot supp...