from dataclasses import dataclass
from dataclasses import dataclass
from mashumaro import DataClassJSONMixin

@dataclass
class Paper(DataClassJSONMixin):
  key: str
  dataset_name: str
  paper_id: str
  title: str
  paper_type: str
  year: int
  paper_url: str = ''
  loc: str = ''
  loc_type: str = ''
  lat: float = 0.0
  lng: float = 0.0