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VISUALIZATION
1998
IEEE
14 years 20 days ago
Isosurface extraction in time-varying fields using a temporal hierarchical index tree
Many high-performance isosurface extraction algorithms have been proposed in the past several years as a result of intensive research efforts. When applying these algorithms to la...
Han-Wei Shen
DASFAA
2004
IEEE
158views Database» more  DASFAA 2004»
14 years 5 days ago
A Cost Model for Spatial Intersection Queries on RI-Trees
Abstract. The efficient management of interval sequences represents a core requirement for many temporal and spatial database applications. With the Relational Interval Tree (RI-tr...
Hans-Peter Kriegel, Martin Pfeifle, Marco Pöt...
DEXA
2006
Springer
113views Database» more  DEXA 2006»
14 years 3 days ago
Dynamic Range Query in Spatial Network Environments
Moving range queries over mobile objects are important in many location management applications. There have been quite a few research works in this area. However, all existing solu...
Fuyu Liu, Tai T. Do, Kien A. Hua
ICVGIP
2008
13 years 10 months ago
Multi-resolution Tracking in Space and Time
This paper proposes efficient and robust methods for tracking a moving object at multiple spatial and temporal resolution levels. The efficiency comes from optimising the amounts ...
Sumantra Dutta Roy, Son Dinh Tran, Larry S. Davis,...
SIGMOD
2008
ACM
210views Database» more  SIGMOD 2008»
14 years 8 months ago
Private queries in location based services: anonymizers are not necessary
Mobile devices equipped with positioning capabilities (e.g., GPS) can ask location-dependent queries to Location Based Services (LBS). To protect privacy, the user location must n...
Gabriel Ghinita, Panos Kalnis, Ali Khoshgozaran, C...