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» Detecting Inconsistencies in Distributed Data
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118
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CEAS
2008
Springer
15 years 2 months ago
Analysis of Spectral Parameters of Audio Signals for the Identification of Spam Over IP Telephony
A method is presented which analyses the audio speech data of voice calls and calculates an "acoustic fingerprint". The audio data of the voice calls are compared with e...
Christoph Pörschmann, Heiko Knospe
122
Voted
GRID
2006
Springer
15 years 21 days ago
Snapshot Processing in Streaming Environments
Monitoring and correlation of streaming data from multiple sources is becoming increasingly important in many application areas. Example applications include automated commodities...
Daniel M. Zimmerman, K. Mani Chandy
108
Voted
SAC
2010
ACM
15 years 7 months ago
A wavelet-based sampling algorithm for wireless sensor networks applications
This work proposes and evaluates a sampling algorithm based on wavelet transforms with Coiflets basis to reduce the data sensed in wireless sensor networks applications. The Coiï...
André L. L. de Aquino, Ricardo A. R. Olivei...
131
Voted
SIGMOD
2004
ACM
140views Database» more  SIGMOD 2004»
16 years 25 days ago
Incremental and Effective Data Summarization for Dynamic Hierarchical Clustering
Mining informative patterns from very large, dynamically changing databases poses numerous interesting challenges. Data summarizations (e.g., data bubbles) have been proposed to c...
Corrine Cheng, Jörg Sander, Samer Nassar
SIGMOD
2006
ACM
219views Database» more  SIGMOD 2006»
16 years 25 days ago
Modeling skew in data streams
Data stream applications have made use of statistical summaries to reason about the data using nonparametric tools such as histograms, heavy hitters, and join sizes. However, rela...
Flip Korn, S. Muthukrishnan, Yihua Wu