281 search results - page 38 / 57 » Toward Practical Constraint Databases |
GIS
2007
ACM
14 years 9 months ago
2007
ACM
This work addresses the problem of obtaining the degree of similarity between trajectories of moving objects. Typically, a Moving Objects Database (MOD) contains sequences of (loc...
PODS
2004
ACM
14 years 8 months ago
2004
ACM
We present a novel coding-based technique for answering spatial and spatiotemporal queries on objects moving along a system of curves on the plane such as many road networks. We h...
EDBT
2004
ACM
14 years 8 months ago
2004
ACM
Efficient search for nearest neighbors (NN) is a fundamental problem arising in a large variety of applications of vast practical interest. In this paper we propose a novel techniq...
DEXAW
2002
IEEE
14 years 1 months ago
2002
IEEE
Cultural institutions increasingly see the need to play an important role in the lifelong learning of citizens. Recent trends, particularly in science museums, have been toward su...
EDBT
2009
ACM
13 years 11 months ago
2009
ACM
Constructing Haar wavelet synopses under a given approximation error has many real world applications. In this paper, we take a novel approach towards constructing unrestricted Ha...