The dataset contains the following json files: 1. data.json: the woz dialogue dataset, which contains the conversation users and wizards, as well as a set of coarse labels for each user turn. 2. restaurant_db.json: the Cambridge restaurant database file, containing restaurants in the Cambridge UK area and a set of attributes. 3. attraction_db.json: the Cambridge attraction database file, contining attractions in the Cambridge UK area and a set of attributes. 4. hotel_db.json: the Cambridge hotel database file, containing hotels in the Cambridge UK area and a set of attributes. 5. train_db.json: the Cambridge train (with artificial connections) database file, containing trains in the Cambridge UK area and a set of attributes. 6. hospital_db.json: the Cambridge hospital database file, contatining information about departments. 7. police_db.json: the Cambridge police station information. 8. taxi_db.json: slot-value list for taxi domain. 9. valListFile.json: list of dialogues for validation. 10. testListFile.json: list of dialogues for testing. 11. system_acts.json: system acts annotations 12. ontology.json: Data-based ontology.

Important note: This dataset was previously entitled 'Research data supporting "MultiWOZ 2.1 - Multi-Domain Dialogue State Corrections and State Tracking Baselines"'. The change to the current title of this dataset was made at the request of the authors in July 2019.