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GIS
2008
ACM
16 years 21 days ago
Computing isochrones in multi-modal, schedule-based transport networks
Isochrones are defined as the set of all points from which a specific point of interest is reachable within a given time span. This demo paper presents a solution to compute isoch...
Veronika Bauer, Johann Gamper, Roberto Loperfido, ...
GIS
2005
ACM
16 years 20 days ago
Spatial queries in sensor networks
Recent advances in low-power sensing devices coupled with the widespread availability of wireless ad-hoc networks have fueled the development of sensor networks. These are typical...
Amir Soheili, Vana Kalogeraki, Dimitrios Gunopulos
SSD
1989
Springer
56views Database» more  SSD 1989»
15 years 3 months ago
A Topological Data Model for Spatial Databases
Max J. Egenhofer, Andrew U. Frank, Jeffrey P. Jack...
137
Voted
ISD
1999
Springer
262views Database» more  ISD 1999»
15 years 3 months ago
Spatial Pictogram Enhanced Conceptual Data Models and Their Translation to Logical Data Models
The successful development of any geographic information system project needs the careful design and implementation of spatial databases via conceptual and logical data-modeling. T...
Shashi Shekhar, Ranga Raju Vatsavai, Sanjay Chawla...
DEXAW
1999
IEEE
108views Database» more  DEXAW 1999»
15 years 4 months ago
Towards a Model for Spatio-Temporal Schema Selection
Schema versioning provides a mechanism for handling change in the structure of database systems and has been investigated widely, both in the context of static and temporal databa...
John F. Roddick, Fabio Grandi, Federica Mandreoli,...