The document collection is MS MARCO Passages and has to be stored in collection.tsv. Furthermore, for the doc2query based approaches, descriptive queries for each document in the collection must be stored in doc2query.tsv. This file can be automatically generated using this script. ⚠️ May take several days.

A MS MARCO document collection has been provided here. A pre-generated doc2query.tsv file has been made available here.