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CIKM
2005
Springer
15 years 7 months ago
Optimizing candidate check costs for bitmap indices
In this paper, we propose a new strategy for optimizing the placement of bin boundaries to minimize the cost of query evaluation using bitmap indices with binning. For attributes ...
Doron Rotem, Kurt Stockinger, Kesheng Wu
SSD
2001
Springer
119views Database» more  SSD 2001»
15 years 6 months ago
Constrained Nearest Neighbor Queries
In this paper we introduce the notion of constrained nearest neighbor queries (CNN) and propose a series of methods to answer them. This class of queries can be thought of as neare...
Hakan Ferhatosmanoglu, Ioana Stanoi, Divyakant Agr...
GECCO
2010
Springer
187views Optimization» more  GECCO 2010»
15 years 6 months ago
The maximum hypervolume set yields near-optimal approximation
In order to allow a comparison of (otherwise incomparable) sets, many evolutionary multiobjective optimizers use indicator functions to guide the search and to evaluate the perfor...
Karl Bringmann, Tobias Friedrich
GECCO
2009
Springer
199views Optimization» more  GECCO 2009»
15 years 6 months ago
Using behavioral exploration objectives to solve deceptive problems in neuro-evolution
Encouraging exploration, typically by preserving the diversity within the population, is one of the most common method to improve the behavior of evolutionary algorithms with dece...
Jean-Baptiste Mouret, Stéphane Doncieux
PODS
2000
ACM
137views Database» more  PODS 2000»
15 years 6 months ago
Query Containment for Data Integration Systems
The problem of query containment is fundamental to many aspects of database systems, including query optimization, determining independence of queries from updates, and rewriting ...
Todd D. Millstein, Alon Y. Levy, Marc Friedman