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SIGMOD
1993
ACM
150views Database» more  SIGMOD 1993»
15 years 3 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
CIKM
2009
Springer
15 years 3 months ago
Efficient feature weighting methods for ranking
Feature weighting or selection is a crucial process to identify an important subset of features from a data set. Removing irrelevant or redundant features can improve the generali...
Hwanjo Yu, Jinoh Oh, Wook-Shin Han
ELPUB
2007
ACM
15 years 3 months ago
Towards an Ontology of ElPub/SciX: A Proposal
A proposal is presented for a standard ontology language defined as ElPub/SciX Ontology, based on the content of a web digital library of conference proceedings. This content, i.e...
Sely Maria de Souza Costa, Cláudio Gottscha...
ACISICIS
2009
IEEE
15 years 2 months ago
A Novel Approach Based on PCNNs Template for Fingerprint Image Thinning
A PCNNs-based square-and-triangle-template method for binary fingerprint image thinning is proposed. The algorithm is iterative, in which a combined sequential and parallel proces...
Dacheng Xu, Bailiang Li, Anton Nijholt
AVI
2010
15 years 15 days ago
Wakame: sense making of multi-dimensional spatial-temporal data
As our ability to measure the world around us improves, we are quickly generating massive quantities of high-dimensional, spatial-temporal data. In this paper, we concern ourselve...
Clifton Forlines, Kent Wittenburg
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