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SIGMOD
2010
ACM
188views Database» more  SIGMOD 2010»
15 years 2 months ago
A demonstration of FlexPref: extensible preference evaluation inside the DBMS engine
This demonstration presents FlexPref, a framework implemented inside the DBMS query processor that enables efficient and extensible preference query processing. FlexPref provides ...
Justin J. Levandoski, Mohamed F. Mokbel, Mohamed E...
SIGMOD
2007
ACM
125views Database» more  SIGMOD 2007»
15 years 9 months ago
Optimizing mpf queries: decision support and probabilistic inference
Managing uncertain data using probabilistic frameworks has attracted much interest lately in the database literature, and a central computational challenge is probabilistic infere...
Héctor Corrada Bravo, Raghu Ramakrishnan
SIGMOD
2002
ACM
145views Database» more  SIGMOD 2002»
15 years 9 months ago
Continuously adaptive continuous queries over streams
We present a continuously adaptive, continuous query (CACQ) implementation based on the eddy query processing framework. We show that our design provides significant performance b...
Samuel Madden, Mehul A. Shah, Joseph M. Hellerstei...
VL
1998
IEEE
172views Visual Languages» more  VL 1998»
15 years 1 months ago
VIQING: Visual Interactive Querying
This paper presents VIQING, an environment for expressing queries via direct manipulation of data visualizations. VIQING provides a simple graphical interface for connecting visua...
Chris Olston, Michael Stonebraker, Alexander Aiken...
VLDB
1994
ACM
153views Database» more  VLDB 1994»
15 years 1 months ago
Optimization Algorithms for Exploiting the Parallelism-Communication Tradeoff in Pipelined Parallelism
We address the problem of finding parallel plans for SQL queries using the two-phase approach of join ordering followed by parallelization. We focus on the parallelization phase a...
Waqar Hasan, Rajeev Motwani