Selective visual attention is believed to be responsible for serializing visual information for recognizing one object at a time in a complex scene. But how can we attend to objec...
We introduce the posterior probabilistic clustering (PPC), which provides a rigorous posterior probability interpretation for Nonnegative Matrix Factorization (NMF) and removes th...
This paper examines WiInf-Central, the `virtual homeplace' of a student community (on Information Systems) at the University of Hamburg, and focuses on processes of social ide...
Markus Rohde, Leonard Reinecke, Bernd Pape, Moniqu...
Current recommendation methods are mainly classified into contentbased, collaborative filtering and hybrid methods. These methods are based on similarity measurements among item...
Yi Cai, Ho-fung Leung, Qing Li, Jie Tang, Juanzi L...
We investigate the effectiveness of both the standard evaluation measures and the opinion component for topical opinion retrieval. We analyze how relevance is affected by opinio...
Giambattista Amati, Giuseppe Amodeo, Valerio Capoz...