5 search results - page 1 / 1 » On Expressing Topological Connectivity in Spatial Datalog |
CDB
1997
Springer
14 years 3 months ago
1997
Springer
We consider two-dimensional spatial databases defined in terms of polynomial inequalities and investigate the expressibility of the topological connectivity query for these databa...
DBPL
1999
Springer
14 years 3 months ago
1999
Springer
We consider two-dimensional spatial databases defined in terms of polynomial inequalities and focus on the potential of programming languages for such databases to express queries...
JCSS
2000
13 years 10 months ago
2000
The paper investigates the use of topological annotations (called topological invariants) to answer topological queries in spatial databases. The focus is on the translation of to...
MOBIHOC
2002
ACM
14 years 10 months ago
2002
ACM
This paper investigates two fundamental characteristics of a wireless multihop network: its minimum node degree and its k?connectivity. Both topology attributes depend on the spat...
ICTAI
2009
IEEE
14 years 5 months ago
2009
IEEE
Early primitive animals with simple feed-forward neuronal circuits were limited to reactive behavior. Through evolution, they were gradually equipped with memory and became able t...