Table 1 Notations used in Group-Author model
Notation | Description |
|---|---|
N w | The number of words in a review. |
N p | The number of products in the dataset. |
N u | The number of reviewer in a single product. |
G | The number of latent groups. |
g | The group assignments for all reviewers. |
θ | The G dimension group distribution. |
α | The Dirichlet prior for group assignments distributions. |
x | A reviewer of a product. |
ϕ | Reviewer Distribution associated with a group. |
β | The Dirichlet prior for word |
l | The sentiment label of a review. |
z | The sentiment distribution associated with a group. |
π | The Dirichlet prior for sentiment distribution. |
w | A word in a review. |
γ | Words distribution associated with a sentiment label and a reviewer. |
φ | The Dirichlet prior for words distribution. |