2302 search results - page 19 / 461 » Modeling Intergovernmental Collaboration: A System Dynamics ... |
HT
2009
ACM
14 years 7 months ago
2009
ACM
In this paper we describe a model of social and collaborative search based on the use of tags. First we will introduce the issues that drove us to the definition of this model, an...
APCCM
2006
14 years 11 months ago
2006
Driven by the fast changing service demand-and-supply requirements, virtual organisation alliances are created to adapt highly dynamic B2B collaborations. However, the temporary p...
UM
2007
Springer
15 years 3 months ago
2007
Springer
One of the main problems of collaborative filtering recommenders is the sparsity of the ratings in the users-items matrix, and its negative effect on the prediction accuracy. This ...
84
Voted
RECSYS
2010
ACM
14 years 7 months ago
2010
ACM
A ranking approach, ListRank-MF, is proposed for collaborative filtering that combines a list-wise learning-to-rank algorithm with matrix factorization (MF). A ranked list of item...
WWW
2007
ACM
15 years 10 months ago
2007
ACM
The debate within the Web community over the optimal means by which to organize information often pits formalized classifications against distributed collaborative tagging systems...