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SIGMOD
2011
ACM
170views Database» more  SIGMOD 2011»
12 years 10 months ago
Querying contract databases based on temporal behavior
Considering a broad definition for service contracts (beyond web services and software, e.g. airline tickets and insurance policies), we tackle the challenges of building a high ...
Elio Damaggio, Alin Deutsch, Dayou Zhou
SSD
1999
Springer
97views Database» more  SSD 1999»
14 years 5 days ago
A Performance Evaluation of Spatial Join Processing Strategies
We provide an evaluation of query execution plans (QEP) in the case of queries with one or two spatial joins. The QEPs assume R -tree indexed relations and use a common set of spat...
Apostolos Papadopoulos, Philippe Rigaux, Michel Sc...
ICA
2007
Springer
14 years 2 months ago
Hierarchical ALS Algorithms for Nonnegative Matrix and 3D Tensor Factorization
In the paper we present new Alternating Least Squares (ALS) algorithms for Nonnegative Matrix Factorization (NMF) and their extensions to 3D Nonnegative Tensor Factorization (NTF) ...
Andrzej Cichocki, Rafal Zdunek, Shun-ichi Amari
CN
2006
73views more  CN 2006»
13 years 8 months ago
Rate-distortion based link state update
Finding paths that satisfy the performance requirements of applications according to the link state information in a network is known as the quality-of-service (QoS) routing probl...
Gang Cheng, Nirwan Ansari
VLSISP
2002
72views more  VLSISP 2002»
13 years 7 months ago
Second Order Nonstationary Source Separation
This paper addresses a method of blind source separation that jointly exploits the nonstationarity and temporal structure of sources. The method needs only multiple time-delayed co...
Seungjin Choi, Andrzej Cichocki, Adel Belouchrani