505 search results - page 51 / 101 » Approximate databases: a support tool for approximate reason... |
FOCS
2007
IEEE
14 years 2 months ago
2007
IEEE
In this paper, we resolve the smoothed and approximative complexity of low-rank quasi-concave minimization, providing both upper and lower bounds. As an upper bound, we provide th...
ICDE
2012
IEEE
11 years 10 months ago
2012
IEEE
— We consider how to support a large number of users over a wide-area network whose interests are characterized by range top-k continuous queries. Given an object update, we need...
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 ...
GIS
2008
ACM
14 years 9 months ago
2008
ACM
Existing techniques for autonomous indoor navigation are often environment-specific and thus limited in terms of their applicability. In this paper, we take a fundamentally differ...
GIS
2003
ACM
14 years 8 months ago
2003
ACM
We present a technique for creating a digital elevation model (DEM) from grid-based contour data. The method computes new, intermediate contours in between existing isolines. Thes...