1299 search results - page 217 / 260 » Challenges in Ubiquitous Data Management |
KDD
2009
ACM
16 years 2 months ago
2009
ACM
In this study, we formalize a multi-focal learning problem, where training data are partitioned into several different focal groups and the prediction model will be learned within...
148
click to vote
KDD
2009
ACM
16 years 2 months ago
2009
ACM
A recent study by two prominent finance researchers, Fama and French, introduces a new framework for studying risk vs. return: the migration of stocks across size-value portfolio ...
123
click to vote
KDD
2007
ACM
16 years 1 months ago
2007
ACM
The need for mining causality, beyond mere statistical correlations, for real world problems has been recognized widely. Many of these applications naturally involve temporal data...
128
click to vote
GEOS
2009
Springer
15 years 6 months ago
2009
Springer
Abstract. The realization of Semantic Web reasoning is central to substantiating the Semantic Web vision. However, current mainstream research on this topic faces serious challenge...
117
click to vote
KDD
2009
ACM
15 years 6 months ago
2009
ACM
Graphs or networks can be used to model complex systems. Detecting community structures from large network data is a classic and challenging task. In this paper, we propose a nove...