NanoMMTEB-v2 / metadata /stack_overflow_qa.json
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{
"split_name": "stack-overflow-qa",
"queries": 200,
"corpus": 10000,
"qrels": 200,
"source_positive_qrels": 1994,
"source_non_positive_qrels": 0,
"query_limit": 200,
"doc_limit": 10000,
"qrels_score_policy": "score > 0 kept as qrels; score <= 0 excluded and used as hard-negative corpus candidates",
"query_selection": {
"skipped_queries_without_positive_qrels": 0,
"skipped_duplicate_query_ids": 0,
"skipped_duplicate_query_texts": 0
},
"corpus_selection": {
"positive_doc_count": 200,
"source_hard_negative_doc_candidates": 0,
"kept_hard_negative_docs": 0,
"missing_positive_docs": 0,
"missing_hard_negative_docs": 0,
"duplicate_doc_texts_removed": 0,
"hard_negative_sampling_policy": "query_round_robin"
},
"qrels_selection": {
"qrels_per_query_cap": 100,
"removed_qrels_over_cap": 0,
"qrels_cap_policy": "positive qrels are capped per query to the BM25 candidate top_k"
},
"bm25": {
"config": {
"backend": "bm25s",
"algorithm": "okapi",
"source": "computed_bm25s",
"tokenizer": "regex",
"tokenizer_name": null,
"stemmer_algorithm": "english",
"top_k": 100,
"k1": 1.5,
"b": 0.75,
"show_progress": false,
"auto_selected": false,
"auto_detected_language": null,
"auto_detection_language_counts": null,
"auto_detection_sample_size": null
},
"ndcg_at_10": 0.7481959299785959,
"forced_queries": 15,
"forced_doc_count": 15,
"missing_positive_doc_count_after_forcing": 0
},
"source_task": "StackOverflowQA",
"source_dataset_id": "mteb/StackOverflowQA",
"source_dataset_revision": "7b46f5ebd2365278c1bb025986dda2fee893bbf5",
"source_dataset_subset": "default",
"source_eval_split": "test",
"original_nano_split": "stack-overflow-qa",
"hub_split": "stack_overflow_qa"
}