350 search results - page 44 / 70 » An optimization framework for map-reduce queries |
107
Voted
SIGMOD
2000
ACM
15 years 4 months ago
2000
ACM
We present MOCHA, a new self-extensible database middleware system designed to interconnect distributed data sources. MOCHA is designed to scale to large environments and is based...
134
click to vote
EDBTW
2006
Springer
15 years 4 months ago
2006
Springer
Several query languages have been proposed for managing data streams in modern monitoring applications. Continuous queries expressed in these languages usually employ windowing con...
185
click to vote
ICDE
2002
IEEE
16 years 1 months ago
2002
IEEE
Overlapping and multi-version techniques are two popular frameworks that transform an ephemeral index into a multiple logical-tree structure in order to support versioning databas...
172
click to vote
VLDB
2007
ACM
16 years 22 days ago
2007
ACM
In this paper we argue that developing information extraction (IE) programs using Datalog with embedded procedural extraction predicates is a good way to proceed. First, compared ...
109
click to vote
KDD
2009
ACM
16 years 1 months ago
2009
ACM
Search queries are typically very short, which means they are often underspecified or have senses that the user did not think of. A broad latent query aspect is a set of keywords ...