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GIS
2009
ACM
13 years 10 months ago
A multidimensional model representing continuous fields in spatial data warehouses
Data warehouses and On-Line Analytical Processing (OLAP) provide an analysis framework supporting the decision making process. In many application domains, complex analysis tasks ...
Alejandro A. Vaisman, Esteban Zimányi
DASFAA
2011
IEEE
221views Database» more  DASFAA 2011»
12 years 7 months ago
A Unified Algorithm for Continuous Monitoring of Spatial Queries
Continuous monitoring of spatial queries has gained significant research attention in the past few years. Although numerous algorithms have been proposed to solve specific queries...
Mahady Hasan, Muhammad Aamir Cheema, Xuemin Lin, W...
SIGMOD
2009
ACM
258views Database» more  SIGMOD 2009»
14 years 5 months ago
Continuous obstructed nearest neighbor queries in spatial databases
In this paper, we study a novel form of continuous nearest neighbor queries in the presence of obstacles, namely continuous obstructed nearest neighbor (CONN) search. It considers...
Yunjun Gao, Baihua Zheng
DAWAK
2010
Springer
13 years 5 months ago
Physical Design and Implementation of Spatial Data Warehouses Supporting Continuous Fields
Abstract. Although many proposals exist for extending Geographic Information Systems (GIS) with OLAP and data warehousing capabilities (a topic denoted SOLAP), only recently the im...
Leticia I. Gómez, Alejandro A. Vaisman, Est...
DASFAA
2009
IEEE
203views Database» more  DASFAA 2009»
14 years 6 days ago
Adaptive Safe Regions for Continuous Spatial Queries over Moving Objects
Abstract. Continuous spatial queries retrieve a set of time-varying objects continuously during a given period of time. However, monitoring moving objects to maintain the correctne...
Yu-Ling Hsueh, Roger Zimmermann, Wei-Shinn Ku