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CIKM
1998
Springer
14 years 25 days ago
Selectivity Estimation of Window Queries
Despite of the fact that large line segment datasets are appearing more and more frequently in numerous applications involving spatial data, such as GIS 8, 9] multimedia 6] and ev...
Guido Proietti, Christos Faloutsos
SIGIR
1993
ACM
14 years 21 days ago
Development of a Modern OPAC: From REVTOLC to MARIAN
Since 1986 we have investigated the problems and possibilities of applying modern information retrieval methods to large online public access library catalogs (OPACs). In the Retr...
Edward A. Fox, Robert K. France, Eskinder Sahle, A...
SIGMOD
1993
ACM
150views Database» more  SIGMOD 1993»
14 years 21 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
SIGMOD
2010
ACM
196views Database» more  SIGMOD 2010»
14 years 16 days ago
Connected substructure similarity search
Substructure similarity search is to retrieve graphs that approximately contain a given query graph. It has many applications, e.g., detecting similar functions among chemical com...
Haichuan Shang, Xuemin Lin, Ying Zhang, Jeffrey Xu...
CIKM
2009
Springer
14 years 16 days 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