Data Model

#** Data Model**

Entity

users

• id: string
• name: string
• imagelink: string

events

• id: string
• title: string
• starttime: datetime
• endtime: datetime
• where: string
• location: string

books

• id: string (subject id in douban)
• title: string
• imagelink: string
• rating: int

movies

• id: string (subject id in douban)
• title: string
• imagelink: string
• rating: int

musics

• id: string
• title: string
• imagelink: string
• author: string
• rating: int

Relations

userevents

• user_id
• event_id

userscontacts

• follower_id: string
• followee_id: string

userbooks

• user_id: string
• book_id: string
• rating: int

usermovies

• user_id: string
• movie_id: string
• rating: int

usermusics

• user_id: string
• music_id: string
• rating: int

Clustering/Grouping

usergroups

• group_id: int
• user_id: string

bookgroups

• group_id: int
• book_id: string

moviegroups

• group_id: int
• movie_id: string

musicgroups

• group_id: int
• music_id: string

eventgroups

• group_id: int
• music_id: string