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GIS
2006
ACM
16 years 5 months ago
Computing longest duration flocks in trajectory data
Moving point object data can be analyzed through the discovery of patterns. We consider the computational efficiency of computing two of the most basic spatio-temporal patterns in...
Joachim Gudmundsson, Marc J. van Kreveld
CHI
2005
ACM
16 years 4 months ago
The bubble cursor: enhancing target acquisition by dynamic resizing of the cursor's activation area
We present the bubble cursor ? a new target acquisition technique based on area cursors. The bubble cursor improves upon area cursors by dynamically resizing its activation area d...
Tovi Grossman, Ravin Balakrishnan
ESEM
2009
ACM
15 years 10 months ago
Usability testing with total-effort metrics
Usability testing activities have numerous benefits in theory, yet they are often overlooked or disregarded in practice. A testing paradigm which yields objective, quantitative re...
Liam Feldman, Carl J. Mueller, Dan E. Tamir, Oleg ...
142
Voted
VR
2007
IEEE
141views Virtual Reality» more  VR 2007»
15 years 10 months ago
Real-time Path Planning for Virtual Agents in Dynamic Environments
We present a novel approach for real-time path planning of multiple virtual agents in complex dynamic scenes. We introduce a new data structure, Multi-agent Navigation Graph (MaNG...
Avneesh Sud, Erik Andersen, Sean Curtis, Ming C. L...
DEXA
2004
Springer
140views Database» more  DEXA 2004»
15 years 9 months ago
Declustering of Trajectories for Indexing of Moving Objects Databases
Efficient storage and retrieval of trajectory indexes has become an essential requirement for moving objects databases. The existing 3DR-tree is known to be an effective trajectory...
Youngduk Seo, Bonghee Hong