304 search results - page 51 / 61 » Dynamic ordered sets with exponential search trees |
GIS
2007
ACM
14 years 9 months ago
2007
ACM
In this paper, we present an original network graph embedding to speed-up distance-range and k-nearest neighbor queries in (weighted) graphs. Our approach implements the paradigm ...
FOCS
2009
IEEE
14 years 3 months ago
2009
IEEE
We prove the existence of an algorithm A for computing 2-d or 3-d convex hulls that is optimal for every point set in the following sense: for every set S of n points and for ever...
RECSYS
2009
ACM
14 years 3 months ago
2009
ACM
Short search engine queries do not provide contextual information, making it difficult for traditional search engines to understand what users are really requesting. One approach ...
ICDE
2008
IEEE
14 years 10 months ago
2008
IEEE
Abstract-- Current state-of-the-art association rule-based classifiers for gene expression data operate in two phases: (i) Association rule mining from training data followed by (i...
EDBT
2010
ACM
14 years 3 months ago
2010
ACM
This paper addresses a fundamental and challenging problem with broad applications: efficient processing of region-based promotion queries, i.e., to discover the top-k most inter...