403 search results - page 18 / 81 » Constraint Databases and Geographic Information Systems |
86
Voted
GEOINFO
2004
14 years 11 months ago
2004
: As the geographic information system (GIS) community grows, more and more people needs to share geographic information. As modern GIS data is stored in geographic databases their...
CCIA
2009
Springer
14 years 10 months ago
2009
Springer
In this paper we propose the construction of a visual content layer which describes the visual appearance of geographic locations in a city. We captured, by means of a Mobile Mappi...
77
Voted
SIGMOD
1999
ACM
15 years 1 months ago
1999
ACM
In this paper we present a mechanism for translating constraint queries, i.e., Boolean expressions of constraints, across heterogeneous information sources. Integrating such syste...
PVLDB
2010
14 years 8 months ago
2010
We describe an automatic database design tool that exploits correlations between attributes when recommending materialized views (MVs) and indexes. Although there is a substantial...
105
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DAWAK
2009
Springer
15 years 2 months ago
2009
Springer
Abstract. In the last years, extending OLAP (On-Line Analytical Processing) systems with spatial and temporal features has attracted the attention of of the GIS (Geographic Informa...