Sciweavers

109 search results - page 7 / 22
» Optimization Using Tuple Subsumption
Sort
View
SIGMOD
2005
ACM
77views Database» more  SIGMOD 2005»
14 years 7 months ago
On Joining and Caching Stochastic Streams
We consider the problem of joining data streams using limited cache memory, with the goal of producing as many result tuples as possible from the cache. Many cache replacement heu...
Jun Yang 0001, Junyi Xie, Yuguo Chen
CORR
2010
Springer
180views Education» more  CORR 2010»
13 years 4 months ago
XSB: Extending Prolog with Tabled Logic Programming
The paradigm of Tabled Logic Programming (TLP) is now supported by a number of Prolog systems, including XSB, YAP Prolog, B-Prolog, Mercury, ALS, and Ciao. The reasons for this ar...
Terrance Swift, David Scott Warren
ICDE
2007
IEEE
149views Database» more  ICDE 2007»
14 years 8 months ago
Optimizing Timestamp Management in Data Stream Management Systems
It has long been recognized that multi-stream operators, such as union and join, often have to wait idly in a temporarily blocked state, as a result of skews between the timestamp...
Yijian Bai, Hetal Thakkar, Haixun Wang, Carlo Zani...
SIGMOD
2012
ACM
222views Database» more  SIGMOD 2012»
11 years 9 months ago
Tiresias: a demonstration of how-to queries
In this demo, we will present Tiresias, the first how-to query engine. How-to queries represent fundamental data analysis questions of the form: “How should the input change in...
Alexandra Meliou, Yisong Song, Dan Suciu
EDBT
2008
ACM
135views Database» more  EDBT 2008»
14 years 7 months ago
Minimizing latency and memory in DSMS: a unified approach to quasi-optimal scheduling
Data Stream Management Systems (DSMSs) must support optimized execution scheduling of multiple continuous queries on massive, and frequently bursty, data streams. Previous approac...
Yijian Bai, Carlo Zaniolo