add description and version

airbnb.py

@@ -23,8 +23,11 @@ _CITATION = """\
   url          = {https://doi.org/10.5281/zenodo.4446043}
 }"""
 
-_DESCRIPTION = """
-"""
+_DESCRIPTION = """\
+This dataset contains accommodation offers from the AirBnb platform from 10 European cities.
+It has been copied from https://zenodo.org/record/4446043#.ZEV8d-zMI-R to make it available as a Huggingface Dataset.
+It was originally published as supplementary material for the article: Determinants of Airbnb prices in European cities: A spatial econometrics approach
+(DOI: https://doi.org/10.1016/j.tourman.2021.104319)"""
 
 _CITIES = [
     "Amsterdam",
@@ -124,7 +127,8 @@ class Airbnb(datasets.GeneratorBasedBuilder):
             features=features,
             supervised_keys=None,
             homepage="https://zenodo.org/record/4446043#.ZEV8d-zMI-R",
-            citation=_CITATION
+            citation=_CITATION,
+            version=datasets.Version("2.0.0"),
         )
 
     def _split_generators(self, dl_manager):