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DIALM
2003
ACM
99views Algorithms» more  DIALM 2003»
15 years 11 months ago
Spatio-temporal data reduction with deterministic error bounds
A common way of storing spatio-temporal information about mobile devices is in the form of a 3D (2D geography + time) trajectory. We argue that when cellular phones and Personal D...
Hu Cao, Ouri Wolfson, Goce Trajcevski
MIG
2009
Springer
15 years 11 months ago
Data Driven Evaluation of Crowds
There are various techniques for simulating crowds, however, in most cases the quality of the simulation is measured by examining its “look-and-feel”. Even if the aggregate mov...
Alon Lerner, Yiorgos Chrysanthou, Ariel Shamir, Da...
DAGSTUHL
2007
15 years 8 months ago
An analytic solution to the alibi query in the bead model for moving object data
Abstract. Moving objects produce trajectories, which are stored in databases by means of finite samples of time-stamped locations. When also speed limitations in these sample poin...
Bart Kuijpers, Walied Othman
IJCAI
2007
15 years 8 months ago
On Mining Closed Sets in Multi-Relational Data
We investigate the problem of mining closed sets in multi-relational databases. Previous work introduced different semantics and associated algorithms for mining closed sets in mu...
Gemma C. Garriga, Roni Khardon, Luc De Raedt
TIP
2008
167views more  TIP 2008»
15 years 6 months ago
FIR Filter Banks for Hexagonal Data Processing
Images are conventionally sampled on a rectangular lattice, and they are also commonly stored as such a lattice. Thus, traditional image processing is carried out on the rectangula...
Q. Jiang