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...
In many contexts, one is confronted with the problem of extracting information from large amounts of different types soft data (e.g., text) and hard data (from e.g., physics-based...
Thanuka Wickramarathne, Kamal Premaratne, Manohar ...
Query expansion is an effective technique in improving the retrieval performance for ad-hoc retrieval. However, query expansion can also fail, leading to a degradation of the retri...
Online social production communities allow efficient construction of valuable and high-quality information sources. To be successful, community members must be effective at collab...
We are looking at new effective ways to engage families in weight management. Going beyond targeting individuals out of their family context with a single intervention, we investi...
Dipak Bhandari, Nathalie Colineau, Stephen Giugni,...