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» Evaluation of Query Performance Prediction Methods by Range
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GIS
2007
ACM
16 years 8 months ago
Approximate order-k Voronoi cells over positional streams
Handling streams of positional updates from numerous moving objects has become a challenging task for many monitoring applications. Several algorithms have been recently proposed ...
Kostas Patroumpas, Theofanis Minogiannis, Timos K....
EDBT
2010
ACM
135views Database» more  EDBT 2010»
16 years 1 months ago
Region-based online promotion analysis
This paper addresses a fundamental and challenging problem with broad applications: efficient processing of region-based promotion queries, i.e., to discover the top-k most inter...
Tianyi Wu, Yizhou Sun, Cuiping Li, Jiawei Han
CSCW
2004
ACM
16 years 9 days ago
Using social psychology to motivate contributions to online communities
Under-contribution is a problem for many online communities. Social psychology theories of social loafing and goal-setting can provide mid-level design principles to address this ...
Gerard Beenen, Kimberly S. Ling, Xiaoqing Wang, Kl...
155
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ISMIR
2004
Springer
141views Music» more  ISMIR 2004»
16 years 7 days ago
Causal Tempo Tracking of Audio
We introduce a causal approach to tempo tracking for musical audio signals. Our system is designed towards an eventual real-time implementation; requiring minimal highlevel knowle...
Matthew E. P. Davies, Mark D. Plumbley
TASLP
2010
134views more  TASLP 2010»
15 years 1 months ago
Autoregressive Models of Amplitude Modulations in Audio Compression
We present a scalable medium bit-rate wide-band audio coding technique based on frequency domain linear prediction (FDLP). FDLP is an efficient method for representing the long-ter...
Sriram Ganapathy, Petr Motlícek, Hynek Herm...