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PETRA
2010
ACM
15 years 6 months ago
Optimizing pervasive sensor data acquisition utilizing missing values substitution
Acquisition of pervasive sensor data can be often unsuccessful due to power outage at nodes, time synchronization issues, interference, network transmission failures or sensor har...
M. Michalopoulos, Christos Anagnostopoulos, Charal...
PODS
2010
ACM
197views Database» more  PODS 2010»
15 years 6 months ago
When data dependencies over SQL tables meet the logics of paradox and S-3
We study functional and multivalued dependencies over SQL tables with NOT NULL constraints. Under a no-information interpretation of null values we develop tools for reasoning. We...
Sven Hartmann, Sebastian Link
RECSYS
2010
ACM
15 years 6 months ago
Nantonac collaborative filtering: a model-based approach
A recommender system has to collect users' preference data. To collect such data, rating or scoring methods that use rating scales, such as good-fair-poor or a five-point-sca...
Toshihiro Kamishima, Shotaro Akaho
SIGCOMM
2010
ACM
15 years 6 months ago
Shipping to streaming: is this shift green?
Streaming movies over the Internet has become increasingly popular in recent years as an alternative to mailing DVDs to a customer. In this paper we investigate the environmental-...
Anand Seetharam, Manikandan Somasundaram, Donald F...
SIGCOMM
2010
ACM
15 years 6 months ago
EyePhone: activating mobile phones with your eyes
As smartphones evolve researchers are studying new techniques to ease the human-mobile interaction. We propose EyePhone, a novel "hand-free" interfacing system capable o...
Emiliano Miluzzo, Tianyu Wang, Andrew T. Campbell
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