{
  "slug": "same_initial_assignee_hard",
  "family": "prx",
  "task_type": "retrieval",
  "year_field": "year_filed",
  "text_fields": [
    "title",
    "abstract"
  ],
  "metric": [
    "map",
    "ndcg@10"
  ],
  "qrels_scale": "binary",
  "query_id_field": "patent_id",
  "corpus_id_field": "patent_id",
  "query_text_source": "g_patent",
  "corpus_text_source": "g_patent",
  "negative_sampling": "positives_only",
  "min_patents_per_assignee": 3,
  "max_patents_per_assignee": 100,
  "max_queries": 2000,
  "n_eligible_assignees": 81978,
  "corpus_size": 100000,
  "hard_negatives": true,
  "pad_pool_size": 0,
  "n_relevant_with_text": 46966,
  "n_corpus": 46966,
  "n_queries": 1989,
  "n_qrels": 51599
}