1689 search results - page 31 / 338 » Proximate point searching |
TREC
2004
13 years 11 months ago
2004
Web search engines exploit conjunctive queries and special ranking criteria which differ from the disjunctive queries typically used for ad-hoc retrieval. We wanted to asses the e...
AUSAI
2005
Springer
14 years 3 months ago
2005
Springer
Abstract. Text documents have sparse data spaces, and nearest neighbors may belong to different classes when using current existing proximity measures to describe the correlation ...
ICPR
2008
IEEE
14 years 11 months ago
2008
IEEE
A framework for mapping a polar-like coordinate system to a non-rigid shape is presented. Using a graph pyramid, a binary shape is decomposed into connected parts, based on its st...
COMGEO
2004
ACM
13 years 9 months ago
2004
ACM
We consider point location in Delaunay triangulations with the aid of simple data structures. In particular, we analyze methods in which a simple data structure is used to first lo...
ICDE
2009
IEEE
14 years 11 months ago
2009
IEEE
Location cloaking has been proposed and well studied to protect user privacy. It blurs the accurate user location (i.e., a point with coordinates) and replaces it with a well-shape...