49 search results - page 1 / 10 » A Hybrid Approach for Improving Prediction Coverage of Colla... |
IFIP12
2009
13 years 2 months ago
2009
In this paper we present a hybrid filtering algorithm that attempts to deal with low prediction Coverage, a problem especially present in sparse datasets. We focus on Item HyCoV, a...
CSCW
1998
ACM
13 years 8 months ago
1998
ACM
Collaborative filtering systems help address information overload by using the opinions of users in a community to make personal recommendations for documents to each user. Many c...
IAT
2009
IEEE
13 years 11 months ago
2009
IEEE
Collaborative Filtering based on similarity suffers from a variety of problems such as sparsity and scalability. In this paper, we propose an ontological model of trust between us...
IRAL
2003
ACM
13 years 9 months ago
2003
ACM
In this work, we apply a clustering technique to integrate the contents of items into the item-based collaborative filtering framework. The group rating information that is obtain...
BMCBI
2007
13 years 4 months ago
2007
Background: In proteomic analysis, MS/MS spectra acquired by mass spectrometer are assigned to peptides by database searching algorithms such as SEQUEST. The assignations of pepti...