SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
Ranking is an important property that needs to be fully supported by current relational query engines. Recently, several rank-join query operators have been proposed based on rank...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
The rich dependency structure found in the columns of real-world relational databases can be exploited to great advantage, but can also cause query optimizers--which usually assum...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
Despite the widespread and growing use of asynchronous copies to improve scalability, performance and availability, this practice still lacks a firm semantic foundation. Applicati...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
Database system architectures are undergoing revolutionary changes. Most importantly, algorithms and data are being unified by integrating programming languages with the database ...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
A rich set of concepts and techniques has been developed in the context of query processing for the efficient and robust execution of queries. So far, this work has mostly focused...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
In this paper, we attempt to approximate and index a ddimensional (d 1) spatio-temporal trajectory with a low order continuous polynomial. There are many possible ways to choose ...
SIGMOD
2004
ACM
14 years 7 months ago
2004
ACM
We present new algorithms on commodity graphics processors to perform fast computation of several common database operations. Specifically, we consider operations such as conjunct...