350 search results - page 14 / 70 » An optimization framework for map-reduce queries |
180
Voted
SIGMOD
2006
ACM
16 years 17 days ago
2006
ACM
This paper presents a principled framework for efficient processing of ad-hoc top-k (ranking) aggregate queries, which provide the k groups with the highest aggregates as results....
114
Voted
SIGMOD
2004
ACM
16 years 17 days ago
2004
ACM
We define a framework for static optimization of sliding window conjunctive queries over infinite streams. When computational resources are sufficient, we propose that the goal of...
SIGMOD
1994
ACM
15 years 4 months ago
1994
ACM
We present a framework which allows the user to access and manipulate data uniformly, regardless of whether it resides in a database or in the file system (or in both). A key issu...
91
Voted
CIKM
2009
Springer
15 years 7 months ago
2009
Springer
We introduce a new theoretical derivation, evaluation methods, and extensive empirical analysis for an automatic query expansion framework in which model estimation is cast as a r...
126
Voted
ICDE
2010
IEEE
15 years 7 months ago
2010
IEEE
Abstract— Developing a full-fledged cost-based XQuery optimizer is a fairly complex task. Nowadays, there is little knowledge concerning suitable cost formulae and optimization ...