43 search results - page 8 / 9 » Vague Spatial Data Types, Set Operations, and Predicates |
DEBS
2007
ACM
13 years 8 months ago
2007
ACM
Content-based publish/subscribe systems allow matching the content of events with predicates in the subscriptions. However, most existing systems only allow a limited set of opera...
GIS
2005
ACM
14 years 5 months ago
2005
ACM
A necessary step in the implementation of three-dimensional spatial data types for spatial database systems and GIS is the development of robust geometric primitives. The authors ...
VLDB
1987
ACM
13 years 8 months ago
1987
ACM
FAD is a powerful and simple language designed for a highly parallel database machine. The basic concepts of the language are its data structures (which we call objects) and its p...
KDD
2004
ACM
14 years 5 months ago
2004
ACM
Clustering algorithms typically operate on a feature vector representation of the data and find clusters that are compact with respect to an assumed (dis)similarity measure betwee...
AAAI
1996
13 years 6 months ago
1996
This paper describes the spatial aggregation language and its applications. Spatial aggregation comprises a framework and a mechanism for organizing computations around image-like...