GIS
2010
ACM
13 years 9 months ago
2010
ACM
It is cost-effective for data owners to publicize their spatial databases via database outsourcing; however, data privacy and query integrity are major challenges. In this demonst...
CSUR
1998
13 years 10 months ago
1998
Search operations in databases require some special support at the physical level. This is true for conventional databases as well as for spatial databases, where typical search o...
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...
AGIS
2000
13 years 10 months ago
2000
Following a brief discussion on various aspects of data quality, possible methods are examined for the detection of errors in a spatial database. Using examples, we introduce the c...
SIGCSE
2008
ACM
13 years 10 months ago
2008
ACM
: This paper discusses the development and delivery of an upper level computer science elective course in geographic information systems (GIS). GIS applications span numerous and d...
GIS
1995
ACM
14 years 2 months ago
1995
ACM
An algorithm is presented to answer window queries in a quadtree-based spatial database environment by retrieving the covering blocks in the underlying spatial database. It works ...
SSD
1997
Springer
14 years 3 months ago
1997
Springer
Abstract. Knowledge discovery in databases (KDD) is an important task in spatial databases since both, the number and the size of such databases are rapidly growing. This paper int...
DBPL
1997
Springer
14 years 3 months ago
1997
Springer
We consider spatial databases that can be defined in terms of polynomial inequalities, and we are interested in monotonic transformations of spatial databases. We investigate a hi...
SSD
1999
Springer
14 years 3 months ago
1999
Springer
Traffic telematics comprises services like traffic information, navigation, and emergency call services. Providers of such services need large spatial databases especially for the ...
ISMIS
2005
Springer
14 years 4 months ago
2005
Springer
In spatial data mining, a common task is the discovery of spatial association rules from spatial databases. We propose a distributed system, named ARES that takes advantage of the ...