Sciweavers

6905 search results - page 1151 / 1381
» Querying Multidimensional Databases
Sort
View
123
Voted
PODS
1999
ACM
133views Database» more  PODS 1999»
15 years 6 months ago
Processing and Optimization of Multiway Spatial Joins Using R-Trees
One of the most important types of query processing in spatial databases and geographic information systems is the spatial join, an operation that selects, from two relations, all...
Dimitris Papadias, Nikos Mamoulis, Yannis Theodori...
ER
1999
Springer
108views Database» more  ER 1999»
15 years 6 months ago
Modeling Cyclic Change
Database support of time-varying phenomena typically assumes that entities change in a linear fashion. Many phenomena, however, change cyclically over time. Examples include monsoo...
Kathleen Hornsby, Max J. Egenhofer, Patrick J. Hay...
171
Voted
ISD
1999
Springer
262views Database» more  ISD 1999»
15 years 6 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...
148
Voted
VRML
1998
ACM
15 years 6 months ago
Using VRML as an Interface to the 3D Data Warehouse
In its current state, VRML does not provide support for interaction and on-line access to databases, even though these are two fundamental issues for business applications. We hav...
Volker Coors, Volker Jung
127
Voted
ER
1998
Springer
147views Database» more  ER 1998»
15 years 6 months ago
An Active Conceptual Model for Fixed Income Securities Analysis for Multiple Financial Institutions
The practical implementation and use of a mediator for fixed income securities analysis demonstrated the potential for extending the application of conceptual modeling from the sys...
Allen Moulton, Stéphane Bressan, Stuart E. ...
« Prev « First page 1151 / 1381 Last » Next »