| Aspect-1 Rating | ${{g}_{ij}}\tilde{\ }N(\mu _{ij}^{g},{{\sigma }^{2}})$ |
| Aspect-2 Rating | ${{h}_{ij}}\tilde{\ }N(\mu _{ij}^{h},{{\sigma }^{2}})$ |
| Overall Utility | $\mu _{ij}^{y}=p\cdot u_{i}^{T}{{e}_{j}}+q\cdot u_{i}^{T}{{c}_{j}}$ |
| Aspect-1 Utility | $\mu _{ij}^{g}=u_{i}^{T}{{e}_{j}}$ |
| Aspect-2 Utility | $\mu _{ij}^{h}=u_{i}^{T}{{c}_{j}}$ |
| User Latent Factors | ${{u}_{ki}}\tilde{\ }Exp(\alpha )$ |
| Aspect-1 Latent Factors | ${{e}_{kj}}\tilde{\ }Exp(\beta )$ |
| Aspect-2 Latent Factors | ${{c}_{kj}}\tilde{\ }Exp(\beta )$ |
| Variance | ${{\sigma }^{2}}\tilde{\ }Inv-Gamma(a,b)$ |