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SIGMOD
1993
ACM
150views Database» more  SIGMOD 1993»
14 years 29 days 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
ERSHOV
1989
Springer
14 years 29 days ago
Experiments with Implementations of Two Theoretical Constructions
This paper reports two experiments with implementations of constructions from theoretical computer science. The first one deals with Kleene’s and Rogers’ second recursion the...
Torben Amtoft Hansen, Thomas Nikolajsen, Jesper La...
SIGGRAPH
1989
ACM
14 years 28 days ago
Algorithms for solid noise synthesis
A solid noise is a function that defines a random value at each point in space. Solid noises have immediate and powerful applications in surface texturing, stochastic modeling, a...
J. P. Lewis
BTW
2007
Springer
183views Database» more  BTW 2007»
14 years 27 days ago
Efficient Reverse k-Nearest Neighbor Estimation
: The reverse k-nearest neighbor (RkNN) problem, i.e. finding all objects in a data set the k-nearest neighbors of which include a specified query object, has received increasing a...
Elke Achtert, Christian Böhm, Peer Kröge...
ELPUB
2007
ACM
14 years 25 days ago
Challenges in the Selection, Design and Implementation of an Online Submission and Peer Review System for STM Journals
Two international scientific publishers collaborated to develop an Online Submission and Peer Review System (OSPREY) for their journals. Our goals were to meet market demand, incr...
Judy Best, Richard Akerman
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