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. |