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» Data Quality Requirements Analysis and Modeling
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BCI
2009
IEEE
15 years 11 months ago
On the Performance of SVD-Based Algorithms for Collaborative Filtering
—In this paper, we describe and compare three Collaborative Filtering (CF) algorithms aiming at the low-rank approximation of the user-item ratings matrix. The algorithm implemen...
Manolis G. Vozalis, Angelos I. Markos, Konstantino...
DGO
2010
173views Education» more  DGO 2010»
15 years 6 months ago
Digital sustainable publication of legacy parliamentary proceedings
We address the problem of publishing parliamentary proceedings in a digital sustainable manner. We give an extensive requirements analysis, and based on that propose a uniform XML...
Maarten Marx, Nelleke Aders, Anne Schuth
ICDE
2009
IEEE
135views Database» more  ICDE 2009»
16 years 6 months ago
Forward Decay: A Practical Time Decay Model for Streaming Systems
Temporal data analysis in data warehouses and data streaming systems often uses time decay to reduce the importance of older tuples, without eliminating their influence, on the res...
Graham Cormode, Vladislav Shkapenyuk, Divesh Sriva...
IMC
2007
ACM
15 years 6 months ago
Acyclic type-of-relationship problems on the internet: an experimental analysis
An experimental study of the feasibility and accuracy of the acyclicity approach introduced in [14] for the inference of business relationships among autonomous systems (ASes) is ...
Benjamin Hummel, Sven Kosub
SPATIALCOGNITION
2004
Springer
15 years 9 months ago
Isovists as a Means to Predict Spatial Experience and Behavior
Two experiments are presented studying interrelations between spatial properties of environments and both experience and spatial behavior. In order to systematically study such int...
Jan Malte Wiener, Gerald Franz