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SIGMOD
1993
ACM
150views Database» more  SIGMOD 1993»
14 years 2 months ago
Predicate Migration: Optimizing Queries with Expensive Predicates
The traditional focus of relational query optimization schemes has been on the choice of join methods and join orders. Restrictions have typically been handled in query optimizers ...
Joseph M. Hellerstein, Michael Stonebraker
TOG
2008
117views more  TOG 2008»
13 years 10 months ago
Video puppetry: a performative interface for cutout animation
We present a video-based interface that allows users of all skill levels to quickly create cutout-style animations by performing the character motions. The puppeteer first creates...
Connelly Barnes, David E. Jacobs, Jason Sanders, D...
SIGMOD
2004
ACM
164views Database» more  SIGMOD 2004»
14 years 10 months ago
Dynamic Plan Migration for Continuous Queries Over Data Streams
Dynamic plan migration is concerned with the on-the-fly transition from one continuous query plan to a semantically equivalent yet more efficient plan. Migration is important for ...
Yali Zhu, Elke A. Rundensteiner, George T. Heinema...
MDM
2009
Springer
150views Communications» more  MDM 2009»
14 years 4 months ago
Perimeter-Based Data Replication in Mobile Sensor Networks
—This paper assumes a set of n mobile sensors that move in the Euclidean plane as a swarm. Our objectives are to explore a given geographic region by detecting spatio-temporal ev...
Panayiotis Andreou, Demetrios Zeinalipour-Yazti, M...
KDD
2004
ACM
147views Data Mining» more  KDD 2004»
14 years 3 months ago
Clustering time series from ARMA models with clipped data
Clustering time series is a problem that has applications in a wide variety of fields, and has recently attracted a large amount of research. In this paper we focus on clustering...
Anthony J. Bagnall, Gareth J. Janacek