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| Content Provider | ACM Digital Library |
|---|---|
| Author | Ortale, Riccardo Costa, Gianni |
| Copyright Year | 2016 |
| Abstract | Recommendation on signed social rating networks is studied through an innovative approach. Bayesian probabilistic modeling is used to postulate a realistic generative process, wherein user and item interactions are explained by latent factors, whose relevance varies within the underlying network organization into user communities and item groups. Approximate posterior inference captures distrust propagation and drives Gibbs sampling to allow rating and (dis)trust prediction for recommendation along with the unsupervised exploratory analysis of network organization. Comparative experiments reveal the superiority of our approach in rating and link prediction on $\textit{Epinions}$ and $\textit{Ciao},$ besides community quality and recommendation sensitivity to network organization. |
| Starting Page | 1 |
| Ending Page | 21 |
| Page Count | 21 |
| File Format | |
| ISSN | 15335399 |
| e-ISSN | 15576051 |
| DOI | 10.1145/2934681 |
| Volume Number | 16 |
| Issue Number | 3 |
| Journal | ACM Transactions on Internet Technology (TOIT) |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 2016-07-09 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Link prediction Mixed-membership block modeling Rating prediction |
| Content Type | Text |
| Resource Type | Article |
| Subject | Computer Networks and Communications |
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