6004 search results - page 533 / 1201 » Parallelizing query optimization |
167
click to vote
CRYPTO
2011
Springer
14 years 6 months ago
2011
Springer
Abstract. A time-lock puzzle is a mechanism for sending messages “to the future”. The sender publishes a puzzle whose solution is the message to be sent, thus hiding it until e...
200
click to vote
TKDE
2010
15 years 5 months ago
2010
This paper presents a novel algorithm for Incremental and General Evaluation of continuous Reverse Nearest neighbor queries (IGERN, for short). The IGERN algorithm is general in t...
176
click to vote
SIGMOD
2004
ACM
16 years 6 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...
182
click to vote
EDBT
2010
ACM
16 years 1 months ago
2010
ACM
Schemas, and more generally metadata specifying structural and semantic constraints, are invaluable in data management. They facilitate conceptual design and enable checking of da...
169
click to vote
CPAIOR
2006
Springer
15 years 10 months ago
2006
Springer
Temporal planning (TP) is notoriously difficult because it requires to solve a propositional STRIPS planning problem with temporal constraints. In this paper, we propose an efficie...