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KDD
2007
ACM
191views Data Mining» more  KDD 2007»
16 years 7 months ago
Modeling relationships at multiple scales to improve accuracy of large recommender systems
The collaborative filtering approach to recommender systems predicts user preferences for products or services by learning past useritem relationships. In this work, we propose no...
Robert M. Bell, Yehuda Koren, Chris Volinsky
WAC
2004
Springer
16 years 2 days ago
Semantic-Based Policy Engineering for Autonomic Systems
Abstract. This paper presents some important directions in the use of ontologybased semantics in achieving the vision of Autonomic Communications. We examine the requirements of Au...
David Lewis, Kevin Feeney, Kevin Carey, Thanassis ...
CIMAGING
2009
184views Hardware» more  CIMAGING 2009»
15 years 7 months ago
Fast space-varying convolution and its application in stray light reduction
Space-varying convolution often arises in the modeling or restoration of images captured by optical imaging systems. For example, in applications such as microscopy or photography...
Jianing Wei, Guangzhi Cao, Charles A. Bouman, Jan ...
ECAI
2004
Springer
16 years 3 days ago
Qualitative Reasoning Feeding Back into Quantitative Model-Based Tracking
Tracking vehicles in image sequences of innercity road traffic scenes still constitutes a challenging task. Even if a-priori knowledge about the 3D shape of vehicles, of backgroun...
Christian Köhler, Artur Ottlik, Hans-Hellmut ...
ER
2004
Springer
107views Database» more  ER 2004»
16 years 3 days ago
A Scaleless Data Model for Direct and Progressive Spatial Query Processing
A progressive spatial query retrieves spatial data based on previous queries (e.g., to fetch data in a more restricted area with higher resolution). A direct query, on the other si...
Sai Sun, Sham Prasher, Xiaofang Zhou