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ATAL
2008
Springer
13 years 9 months ago
Role-based teamwork activity recognition in observations of embodied agent actions
Recognizing team actions in the behavior of embodied agents has many practical applications and had seen significant progress in recent years. One approach with proven results is ...
Linus J. Luotsinen, Ladislau Bölöni
SIGMOD
2010
ACM
236views Database» more  SIGMOD 2010»
14 years 11 days ago
Differentially private aggregation of distributed time-series with transformation and encryption
We propose PASTE, the first differentially private aggregation algorithms for distributed time-series data that offer good practical utility without any trusted server. PASTE add...
Vibhor Rastogi, Suman Nath
TIP
1998
240views more  TIP 1998»
13 years 7 months ago
DCT-based motion estimation
—We propose novel discrete cosine transform (DCT) pseudophase techniques to estimate shift/delay between two onedimensional (1-D) signals directly from their DCT coefficients by...
Ut-Va Koc, K. J. Ray Liu
SIGCOMM
2010
ACM
13 years 7 months ago
Topology-aware resource allocation for data-intensive workloads
This paper proposes an architecture for optimized resource allocation in Infrastructure-as-a-Service (IaaS)-based cloud systems. Current IaaS systems are usually unaware of the ho...
Gunho Lee, Niraj Tolia, Parthasarathy Ranganathan,...
FOCS
2009
IEEE
14 years 2 months ago
Faster Generation of Random Spanning Trees
In this paper, we set forth a new algorithm for generating approximately uniformly random spanning trees in undirected graphs. We show how to sample from a distribution that is wi...
Jonathan A. Kelner, Aleksander Madry