777 search results - page 93 / 156 » Optimization of Relational Preference Queries |
KRDB
1997
13 years 11 months ago
1997
A data warehouse is a redundant collection of data replicated from several possibly distributed and loosely coupled source databases, organized to answer OLAP queries. Relational ...
ISMIR
2001
Springer
14 years 2 months ago
2001
Springer
The problem of Music Information Retrieval can often be formalized as “searching for multidimensional trajectories”. It is well known that string-matching techniques provide r...
SIGMOD
2004
ACM
14 years 10 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...
VLDB
2007
ACM
14 years 10 months ago
2007
ACM
A "plan diagram" is a pictorial enumeration of the execution plan choices of a database query optimizer over the relational selectivity space. We have shown recently tha...
AAMAS
2008
Springer
13 years 10 months ago
2008
Springer
Abstract. We present a novel logic-based framework to automate multi-issue bilateral negotiation in e-commerce settings. The approach exploits logic as communication language among...