VLDB
1994
ACM
13 years 8 months ago
1994
ACM
In order to maximize systemperformancein environments with fluctuating memory contention, memory-intensive algorithms such as hash join must gracefully adapt to variations in avai...
VLDB
1994
ACM
13 years 8 months ago
1994
ACM
This paper describes the design and implementation of NAOS, an active rule component in the object-oriented database system 02. The contribution of this work is related to two mai...
VLDB
1994
ACM
13 years 8 months ago
1994
ACM
We have built a multidatabase system to support a financial application that stores historical data used by traders to identify trends in the market. The application has an update...
VLDB
1994
ACM
13 years 8 months ago
1994
ACM
In this paper we address the problem of devising a set of indexes for a nested object hierarchy in an object-oriented database to improve the overall system performance. It is not...
VLDB
1994
ACM
13 years 8 months ago
1994
ACM
In existing relational database systems, processing of group-by and computation of aggregate functions are always postponed until all joins are performed. In this paper, we presen...
VLDB
1994
ACM
13 years 8 months ago
1994
ACM
Making a database system active entails developing an expressive event specification language with well-defined semantics, algorithms for the detection of composite events, and an...
VLDB
1994
ACM
13 years 8 months ago
1994
ACM
Spatial data mining is the discovery of interesting relationships and characteristics that may exist implicitly in spatial databases. In this paper, we explore whether clustering ...
VLDB
1994
ACM
13 years 8 months ago
1994
ACM
VLDB
1994
ACM
13 years 8 months ago
1994
ACM
Full-text information retrieval systems have traditionally been designed for archival environments. They often provide little or no support for adding new documents to an existing...
VLDB
1994
ACM
13 years 8 months ago
1994
ACM
Global clustering has rarely been investigated in the area of spatial database systems although dramatic performance improvements can be achieved by using suitable techniques. In ...