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NicoloLocatelli
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RecSys_ACM_2026_Hallucinated

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train · 77.6M rows

session_id large_string	turn_number int64	track_id large_string	rank_bm25_colisten_oneshot int32	reciprocal_rank_bm25_colisten_oneshot float64	score_minmax_bm25_colisten_oneshot float64	score_z_bm25_colisten_oneshot float64	in_top10_bm25_colisten_oneshot bool	in_top50_bm25_colisten_oneshot bool	in_top200_bm25_colisten_oneshot bool	rank_tower_a_oneshot int32	reciprocal_rank_tower_a_oneshot float64	score_minmax_tower_a_oneshot float64	score_z_tower_a_oneshot float64	in_top10_tower_a_oneshot bool	in_top50_tower_a_oneshot bool	in_top200_tower_a_oneshot bool	rank_emb_item_knn_8b_session_dro int32	reciprocal_rank_emb_item_knn_8b_session_dro float64	score_minmax_emb_item_knn_8b_session_dro float64	score_z_emb_item_knn_8b_session_dro float64	in_top10_emb_item_knn_8b_session_dro bool	in_top50_emb_item_knn_8b_session_dro bool	in_top200_emb_item_knn_8b_session_dro bool	rank_hybrid_all_qwen_session_dro int32	reciprocal_rank_hybrid_all_qwen_session_dro float64	score_minmax_hybrid_all_qwen_session_dro float64	score_z_hybrid_all_qwen_session_dro float64	in_top10_hybrid_all_qwen_session_dro bool	in_top50_hybrid_all_qwen_session_dro bool	in_top200_hybrid_all_qwen_session_dro bool	rank_tower_ensemble_session_dro int32	reciprocal_rank_tower_ensemble_session_dro float64	score_minmax_tower_ensemble_session_dro float64	score_z_tower_ensemble_session_dro float64	in_top10_tower_ensemble_session_dro bool	in_top50_tower_ensemble_session_dro bool	in_top200_tower_ensemble_session_dro bool	rank_tower_cf_ensemble_session_dro int32	reciprocal_rank_tower_cf_ensemble_session_dro float64	score_minmax_tower_cf_ensemble_session_dro float64	score_z_tower_cf_ensemble_session_dro float64	in_top10_tower_cf_ensemble_session_dro bool	in_top50_tower_cf_ensemble_session_dro bool	in_top200_tower_cf_ensemble_session_dro bool	rank_heuristic_v2_hybrid_session_dro int32	reciprocal_rank_heuristic_v2_hybrid_session_dro float64	score_minmax_heuristic_v2_hybrid_session_dro float64	score_z_heuristic_v2_hybrid_session_dro float64	in_top10_heuristic_v2_hybrid_session_dro bool	in_top50_heuristic_v2_hybrid_session_dro bool	in_top200_heuristic_v2_hybrid_session_dro bool	rank_heuristic_v3_session_dro int32	reciprocal_rank_heuristic_v3_session_dro float64	score_minmax_heuristic_v3_session_dro float64	score_z_heuristic_v3_session_dro float64	in_top10_heuristic_v3_session_dro bool	in_top50_heuristic_v3_session_dro bool	in_top200_heuristic_v3_session_dro bool	rank_query_full_multibehav_alltext_softor_session int32	reciprocal_rank_query_full_multibehav_alltext_softor_session float64	score_minmax_query_full_multibehav_alltext_softor_session float64	score_z_query_full_multibehav_alltext_softor_session float64	in_top10_query_full_multibehav_alltext_softor_session bool	in_top50_query_full_multibehav_alltext_softor_session bool	in_top200_query_full_multibehav_alltext_softor_session bool	rank_query_full_multibehav_alltext_softor_session_ndcg int32	reciprocal_rank_query_full_multibehav_alltext_softor_session_ndcg float64	score_minmax_query_full_multibehav_alltext_softor_session_ndcg float64	score_z_query_full_multibehav_alltext_softor_session_ndcg float64	in_top10_query_full_multibehav_alltext_softor_session_ndcg bool	in_top50_query_full_multibehav_alltext_softor_session_ndcg bool	in_top200_query_full_multibehav_alltext_softor_session_ndcg bool	rank_split_hidim_xattn_hardneg_query_full_dif_session_ndcg int32	reciprocal_rank_split_hidim_xattn_hardneg_query_full_dif_session_ndcg float64	score_minmax_split_hidim_xattn_hardneg_query_full_dif_session_ndcg float64	score_z_split_hidim_xattn_hardneg_query_full_dif_session_ndcg float64	in_top10_split_hidim_xattn_hardneg_query_full_dif_session_ndcg bool	in_top50_split_hidim_xattn_hardneg_query_full_dif_session_ndcg bool	in_top200_split_hidim_xattn_hardneg_query_full_dif_session_ndcg bool	rank_split_hidim_xattn_hardneg_query_full_nova_session_ndcg int32	reciprocal_rank_split_hidim_xattn_hardneg_query_full_nova_session_ndcg float64	score_minmax_split_hidim_xattn_hardneg_query_full_nova_session_ndcg float64	score_z_split_hidim_xattn_hardneg_query_full_nova_session_ndcg float64	in_top10_split_hidim_xattn_hardneg_query_full_nova_session_ndcg bool	in_top50_split_hidim_xattn_hardneg_query_full_nova_session_ndcg bool	in_top200_split_hidim_xattn_hardneg_query_full_nova_session_ndcg bool	rank_split_hidim_xattn_hardneg_query_full_noiserobust_session int32	reciprocal_rank_split_hidim_xattn_hardneg_query_full_noiserobust_session float64	score_minmax_split_hidim_xattn_hardneg_query_full_noiserobust_session float64	score_z_split_hidim_xattn_hardneg_query_full_noiserobust_session float64	in_top10_split_hidim_xattn_hardneg_query_full_noiserobust_session bool	in_top50_split_hidim_xattn_hardneg_query_full_noiserobust_session bool	in_top200_split_hidim_xattn_hardneg_query_full_noiserobust_session bool	rank_split_hidim_xattn_hardneg_session_ndcg int32	reciprocal_rank_split_hidim_xattn_hardneg_session_ndcg float64	score_minmax_split_hidim_xattn_hardneg_session_ndcg float64	score_z_split_hidim_xattn_hardneg_session_ndcg float64	in_top10_split_hidim_xattn_hardneg_session_ndcg bool	in_top50_split_hidim_xattn_hardneg_session_ndcg bool	in_top200_split_hidim_xattn_hardneg_session_ndcg bool	fusion_borda int32	fusion_rrf_k5 float64	fusion_rrf_k60 float64	fusion_combsum float64	fusion_combmnz float64	n_cgs_retrieving int32	fusion_isr float64	fusion_logrank float64	fusion_rp_pen200 float64	fusion_rp_pen1000 float64	min_rank int32	max_rank int32	median_rank float64	std_rank float64	agreement_top10 float64	agreement_top50 float64	gt_track_id large_string	calibrated_score_bm25_colisten_oneshot float32	calibrated_score_tower_a_oneshot float32	calibrated_score_emb_item_knn_8b_session_dro float32	calibrated_score_hybrid_all_qwen_session_dro float32	calibrated_score_tower_ensemble_session_dro float32	calibrated_score_tower_cf_ensemble_session_dro float32	calibrated_score_heuristic_v2_hybrid_session_dro float32	calibrated_score_heuristic_v3_session_dro float32	calibrated_score_query_full_multibehav_alltext_softor_session float32	calibrated_score_query_full_multibehav_alltext_softor_session_ndcg float32	calibrated_score_split_hidim_xattn_hardneg_query_full_dif_session_ndcg float32	calibrated_score_split_hidim_xattn_hardneg_query_full_nova_session_ndcg float32	calibrated_score_split_hidim_xattn_hardneg_query_full_noiserobust_session float32	calibrated_score_split_hidim_xattn_hardneg_session_ndcg float32	set_size_bm25_colisten_oneshot int32	set_size_tower_a_oneshot int32	set_size_emb_item_knn_8b_session_dro int32	set_size_hybrid_all_qwen_session_dro int32	set_size_tower_ensemble_session_dro int32	set_size_tower_cf_ensemble_session_dro int32	set_size_heuristic_v2_hybrid_session_dro int32	set_size_heuristic_v3_session_dro int32	set_size_query_full_multibehav_alltext_softor_session int32	set_size_query_full_multibehav_alltext_softor_session_ndcg int32	set_size_split_hidim_xattn_hardneg_query_full_dif_session_ndcg int32	set_size_split_hidim_xattn_hardneg_query_full_nova_session_ndcg int32	set_size_split_hidim_xattn_hardneg_query_full_noiserobust_session int32	set_size_split_hidim_xattn_hardneg_session_ndcg int32	mean_set_size_across_cgs float32	min_set_size_across_cgs int32	max_calibrated_across_cgs float32	mean_calibrated_across_cgs float32	std_calibrated_across_cgs float32	calibrated_margin float32	minority_deep_calib float32	calib_at_minrank float32	rank_gap_median_min float32	calib_x_logminrank float32	minority_deep_rr float32	calib_max_minus_mean float32	calib_margin_vs_turn float32	best_sem_calib float32	fusion_tuned_score float64	max_turn int64	session_n_unique_artists int32	session_mean_pop float64	session_std_pop float64	session_max_pop uint32	hist_duration_sum int64	session_mean_year float64	hist_release_year_std float64	frac_history_blind_catalog float64	session_all_blind_catalog bool	session_n_unique_tags int32	session_length_so_far uint32	turn_position_norm float64	is_last_turn bool	artist_id_first large_string	album_id_first large_string	artist_name_first large_string	album_name_first large_string	track_name_first large_string	track_play_count uint32	track_pop_pct float64	artist_play_count uint32	album_play_count uint32	n_tags uint32	album_track_count uint32	is_top1pct bool	is_long_tail bool	track_duration int64	track_meta_popularity float64	track_release_year int32	meta_pop_z float64	track_pop_bucket int8	is_blind_catalog bool	n_missing_meta_fields int8	cand_in_test_tracks int8	release_year_gap float64	pop_delta_last_turn uint32	year_abs_diff_last_turn int32	duration_diff_last_turn int64	cand_artist_in_session bool	cand_album_in_session bool	cand_artist_session_frac float64	cand_tag_novelty int32	session_pop_z_score float64	age int64	age_group large_string	country_code large_string	gender large_string	is_warm_user bool	n_semantic_retrieving int32	retrieved_behavioral_only bool	retrieved_semantic_only bool	retrieved_both_families bool	mean_rank_across_cgs float64	is_top1_any_cg bool	combsum_frac_of_max float64	combsum_rank_in_group int32	query_len_chars uint32	query_n_tokens uint32	query_to_track_len_ratio float64	emb_qwen_cand_prev_cos float32	emb_qwen_cand_sessmean_cos float32	emb_qwen_cand_sessmax_cos float32	emb_qwen_cand_query_cos float32	emb_siglip_cand_prev_cos float32	emb_siglip_cand_sessmean_cos float32	emb_siglip_cand_sessmax_cos float32	emb_audio_cand_prev_cos float32	emb_audio_cand_sessmean_cos float32	emb_audio_cand_sessmax_cos float32	emb_query_minus_sess float32	artistfrac_x_calib float32	conf_unpop float32	querymatch_sum float32	prev_plus_query float32	prev_frac_turnmax float32	afrac_frac_turnmax float32	qcos_frac_turnmax float32	calib_gap_turnmax float32	fusion_gap_turnmax float32	qcos_gap_turnmax float32	qcos_z_turn float32	prevcos_gap_turnmax float32	qwensess_gap_turnmax float32	calib_per_ncg float32	qcos_x_prevcos float32	modality_z_mean float32	best_modality_rank float32	nmod_top10 float32	modality_z_std float32	group_frac_blind_catalog float32	rank_among_blind_catalog float32	rank_among_blind_catalog_calib float32	rank_among_blind_catalog_qcos float32
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024a2738-a96c-4e11-adf3-b2cb8311a493	1	0476bf45-e4db-4364-918e-48342a58ffe7	null	null	null	null	false	false	false	51	0.019608	0.248771	0.395557	false	false	true	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	150	0.017857	0.009009	0.248771	0.248771	1	0.000384	0.175425	-5.200711	-6.695189	51	51	51	null	0	0	45f061f0-dd2c-415e-8478-a2420ac079ab	0.000344	0.00285	0.000343	0.000328	0.00039	0.00038	0.000568	0.000267	0.00026	0.000346	0.000356	0.000397	0.00038	0.000329	90	115	89	84	90	92	1	86	79	89	83	87	92	78	82.5	1	0.00285	0.000538	0.000669	0.002283	0.00285	0.00285	0	0.011262	0.019608	0.002312	0.001916	0.000397	0.004926	3	null	null	null	null	null	null	null	null	null	null	null	0.333333	false	20b41da2-9376-45eb-9ccc-73ff13d49dc6	966d11c2-286a-4c3d-9933-e01cadf81eb1	Adia Victoria	Beyond The Bloodhounds	Stuck In The South	1	0.288723	1	1	2	1	false	true	187,186	33	2,016	-0.530207	0	false	0	0	null	null	null	null	false	false	null	2	null	null	null	null	null	false	0	false	false	false	51	false	0.035539	169	116	20	6.105263	null	null	null	0.337967	null	null	null	null	null	null	null	null	0.002027	0.337967	null	null	null	0.675319	0.083341	0.01642	0.162488	-0.483304	null	null	0.001425	null	null	51	0	null	0.035	null	null	null
024a2738-a96c-4e11-adf3-b2cb8311a493	1	04edf79a-e081-4a87-81d5-d341d09c6608	14	0.071429	0.418703	1.395631	false	true	true	null	null	null	null	false	false	false	null	null	null	null	false	false	false	131	0.007634	0.109837	-0.646746	false	false	true	61	0.016393	0.339477	0.324103	false	false	true	43	0.023256	0.443571	0.665487	false	true	true	null	null	null	null	false	false	false	65	0.015385	0.144409	0.003784	false	false	true	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	691	0.110255	0.044722	1.455997	7.279987	5	0.006207	0.914475	-4.803255	-5.837894	14	131	61	43.106844	0	0.142857	45f061f0-dd2c-415e-8478-a2420ac079ab	0.011138	0.000493	0.000343	0.000561	0.001892	0.003613	0.000568	0.001745	0.00026	0.000346	0.000356	0.000397	0.00038	0.000329	90	115	89	84	90	92	1	86	79	89	83	87	92	78	82.5	1	0.011138	0.001601	0.002903	0.007524	0.001892	0.011138	47	0.030161	0.016393	0.009536	0.010204	0.000561	0.009823	3	null	null	null	null	null	null	null	null	null	null	null	0.333333	false	87e350ac-2cf9-476b-8c1c-b2365c9171ad	61d403e3-5a96-4f47-ab86-3386fc6e85a1	A Day To Remember	Bad Vibrations	Justified	2	0.654458	28	20	15	9	false	false	238,020	40	2,016	-0.094122	1	false	0	0	null	null	null	null	false	false	null	15	null	null	null	null	null	false	2	false	true	false	62.8	false	0.208	41	116	20	11.6	null	null	null	0.278227	null	null	null	null	null	null	null	null	0.003849	0.278227	null	null	null	0.555949	0.075054	0.011523	0.222228	-1.418298	null	null	0.001856	null	null	59	0	null	0.035	null	null	null
024a2738-a96c-4e11-adf3-b2cb8311a493	1	05fa657e-1854-45b7-ad77-c58887691fe1	null	null	null	null	false	false	false	187	0.005348	0.012402	-0.967485	false	false	true	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	106	0.009434	0.210481	-0.312169	false	false	true	null	null	null	null	false	false	false	171	0.005848	0.023586	-0.738524	false	false	true	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	139	0.019899	0.014402	0.246469	0.739406	3	0.000152	0.415363	-5.236979	-6.501537	106	187	171	42.899106	0	0	45f061f0-dd2c-415e-8478-a2420ac079ab	0.000344	0.000563	0.000343	0.000328	0.00039	0.000811	0.000568	0.000424	0.00026	0.000346	0.000356	0.000397	0.00038	0.000329	90	115	89	84	90	92	1	86	79	89	83	87	92	78	82.5	1	0.000811	0.000417	0.000142	0.000243	0.000811	0.000811	65	0.003789	0.009434	0.000394	-0.000123	0.000397	0.004781	3	null	null	null	null	null	null	null	null	null	null	null	0.333333	false	c01358f9-e2c2-4334-b6b1-cfda320172d7	57b097ac-88a3-4eb5-a7cd-a6212c7d25c9	Aminé	Caroline	Caroline	2	0.654458	11	6	2	2	false	false	209,640	71	2,017	1.83711	2	false	0	0	null	null	null	null	false	false	null	2	null	null	null	null	null	false	0	false	false	false	154.666667	false	0.03521	170	116	20	12.888889	null	null	null	0.333936	null	null	null	null	null	null	null	null	0.00028	0.333936	null	null	null	0.667266	0.085381	0.016565	0.166519	-0.546386	null	null	0.000203	null	null	87	0	null	0.035	null	null	null
024a2738-a96c-4e11-adf3-b2cb8311a493	1	08175315-bf4c-4503-9a6a-127e1e013daa	null	null	null	null	false	false	false	14	0.071429	0.515519	1.933786	false	true	true	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	124	0.008065	0.066645	-0.473977	false	false	true	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	264	0.060384	0.018948	0.582164	1.164328	2	0.005167	0.399517	-5.074225	-6.453743	14	124	69	77.781746	0	0.071429	45f061f0-dd2c-415e-8478-a2420ac079ab	0.000344	0.010902	0.000343	0.000328	0.00039	0.00038	0.000568	0.000742	0.00026	0.000346	0.000356	0.000397	0.00038	0.000329	90	115	89	84	90	92	1	86	79	89	83	87	92	78	82.5	1	0.010902	0.001147	0.00281	0.01016	0.000742	0.010902	55	0.029522	0.008065	0.009754	0.009967	0.000397	0.011448	3	null	null	null	null	null	null	null	null	null	null	null	0.333333	false	0bba5c55-8c2c-4df9-8c88-402021c35dc7	ef09f9aa-c893-4c0f-bb8e-c9c52fdc39f2	Snoh Aalegra	There Will Be Sunshine	You Always Knew	1	0.288723	4	4	1	4	false	true	187,124	24	2,014	-1.090887	0	false	0	0	null	null	null	null	false	false	null	1	null	null	null	null	null	false	0	false	false	false	69	false	0.083166	126	116	20	7.25	null	null	null	0.392764	null	null	null	null	null	null	null	null	0.007754	0.392764	null	null	null	0.784814	0.07529	0.009899	0.107691	0.374333	null	null	0.003634	null	null	14	0	null	0.035	null	null	null
024a2738-a96c-4e11-adf3-b2cb8311a493	1	08a71fbb-f604-4c7c-8e4f-76eebc5d0d15	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	94	0.010638	0.219542	-0.184211	false	false	true	21	0.047619	0.641728	1.589917	false	true	true	14	0.071429	0.721031	1.829243	false	true	true	null	null	null	null	false	false	false	19	0.052632	0.34622	1.243658	false	true	true	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	656	0.142861	0.045011	1.928521	7.714084	4	0.010253	0.86379	-4.725321	-5.874919	14	94	20	38.113864	0	0.214286	45f061f0-dd2c-415e-8478-a2420ac079ab	0.000344	0.000493	0.000343	0.000864	0.008977	0.013878	0.000568	0.01007	0.00026	0.000346	0.000356	0.000397	0.00038	0.000329	90	115	89	84	90	92	1	86	79	89	83	87	92	78	82.5	1	0.013878	0.002686	0.004607	0.003808	0.000864	0.013878	6	0.037584	0.010638	0.011192	0.012944	0.000864	0.009869	3	null	null	null	null	null	null	null	null	null	null	null	0.333333	false	baaa6f9e-e56e-4270-a9b4-5803a7e649d3	b26b407d-90f2-4400-8d2b-ade89cef8d85	Shalamar	The 12 Inch Collection	A Night to Remember	2	0.654458	3	2	4	1	false	false	299,360	49	1,993	0.466558	2	false	0	0	null	null	null	null	false	false	null	4	null	null	null	null	null	false	2	false	true	false	37	false	0.275503	26	116	20	5.8	null	null	null	0.347257	null	null	null	null	null	null	null	null	0.004796	0.347257	null	null	null	0.693883	0.072313	0.011477	0.153198	-0.337898	null	null	0.002776	null	null	50	0	null	0.035	null	null	null
024a2738-a96c-4e11-adf3-b2cb8311a493	1	09c570d3-f079-4045-ace3-78f6a76022e9	null	null	null	null	false	false	false	24	0.041667	0.398703	1.260157	false	true	true	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	187	0.005348	0.008439	-0.831584	false	false	true	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	191	0.039691	0.015953	0.407142	0.814284	2	0.001765	0.347708	-5.142069	-6.521588	24	187	105.5	115.258405	0	0.071429	45f061f0-dd2c-415e-8478-a2420ac079ab	0.000344	0.006914	0.000343	0.000328	0.00039	0.00038	0.000568	0.0004	0.00026	0.000346	0.000356	0.000397	0.00038	0.000329	90	115	89	84	90	92	1	86	79	89	83	87	92	78	82.5	1	0.006914	0.000838	0.00175	0.006346	0.0004	0.006914	81.5	0.022254	0.005348	0.006075	0.005979	0.000397	0.009368	3	null	null	null	null	null	null	null	null	null	null	null	0.333333	false	0bba5c55-8c2c-4df9-8c88-402021c35dc7	ef09f9aa-c893-4c0f-bb8e-c9c52fdc39f2	Snoh Aalegra	There Will Be Sunshine	Paradise	1	0.288723	4	4	1	4	false	true	244,249	23	2,014	-1.153185	0	false	0	0	null	null	null	null	false	false	null	1	null	null	null	null	null	false	0	false	false	false	105.5	false	0.058163	144	116	20	12.888889	null	null	null	0.373301	null	null	null	null	null	null	null	null	0.004917	0.373301	null	null	null	0.745923	0.079278	0.011978	0.127154	0.069716	null	null	0.002305	null	null	24	0	null	0.035	null	null	null
024a2738-a96c-4e11-adf3-b2cb8311a493	1	0d806b0f-2c6c-496a-9b35-18ed1312a60c	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	103	0.009709	0.182438	-0.340647	false	false	true	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	64	0.015625	0.147524	0.022919	false	false	true	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	235	0.023752	0.014199	0.329962	0.659924	2	0.000338	0.315292	-5.16953	-6.549048	64	103	83.5	27.577164	0	0	45f061f0-dd2c-415e-8478-a2420ac079ab	0.000344	0.000493	0.000343	0.000725	0.00039	0.00038	0.000568	0.001745	0.00026	0.000346	0.000356	0.000397	0.00038	0.000329	90	115	89	84	90	92	1	86	79	89	83	87	92	78	82.5	1	0.001745	0.000504	0.000376	0.00102	0.001745	0.001745	19.5	0.007285	0.015625	0.001241	0.000811	0.000725	0.00609	3	null	null	null	null	null	null	null	null	null	null	null	0.333333	false	a883aa5d-b417-42fe-b9ab-b66bb6071436	374e5eb6-7e8b-49ec-bac4-ce952db7faf5	Lykke Li	Wounded Rhymes	Silent My Song	2	0.654458	88	48	66	9	false	false	324,340	23	2,011	-1.153185	0	false	0	0	null	null	null	null	false	false	null	66	null	null	null	null	null	false	1	false	true	false	83.5	false	0.047137	154	116	20	7.733333	null	null	null	0.440839	null	null	null	null	null	null	null	null	0.000603	0.440839	null	null	null	0.880877	0.084446	0.015256	0.059616	1.126764	null	null	0.000582	null	null	36	0	null	0.035	null	null	null
024a2738-a96c-4e11-adf3-b2cb8311a493	1	1164f846-9c6a-492f-94b4-18c9a2fd3698	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	40	0.025	0.443125	0.75845	false	true	true	null	null	null	null	false	false	false	167	0.005988	0.06138	-0.937547	false	false	true	null	null	null	null	false	false	false	112	0.008929	0.079174	-0.397005	false	false	true	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	284	0.036583	0.020219	0.583678	1.751034	3	0.000741	0.468552	-5.129062	-6.39362	40	167	112	63.68935	0	0.071429	45f061f0-dd2c-415e-8478-a2420ac079ab	0.000344	0.000493	0.000343	0.003028	0.00039	0.00056	0.000568	0.000742	0.00026	0.000346	0.000356	0.000397	0.00038	0.000329	90	115	89	84	90	92	1	86	79	89	83	87	92	78	82.5	1	0.003028	0.00061	0.000708	0.002286	0.000742	0.003028	72	0.011246	0.008929	0.002419	0.002094	0.003028	0.004973	3	null	null	null	null	null	null	null	null	null	null	null	0.333333	false	1b538b10-eb72-49d0-82b8-0b801f9b5ee6	f409fa8d-ee70-40c5-920c-d7d431157b5e	A Fine Frenzy	One Cell In The Sea	Almost Lover	1	0.288723	6	1	102	1	false	true	268,800	48	2,007	0.404261	2	false	0	0	null	null	null	null	false	false	null	102	null	null	null	null	null	false	1	false	true	false	106.333333	false	0.083383	125	116	20	8.923077	null	null	null	0.455596	null	null	null	null	null	null	null	null	0.002154	0.455596	null	null	null	0.910363	0.083163	0.016373	0.044859	1.357718	null	null	0.000757	null	null	26	0	null	0.035	null	null	null
024a2738-a96c-4e11-adf3-b2cb8311a493	1	14d57b67-8c11-45be-abee-09a31d1b5fd7	null	null	null	null	false	false	false	180	0.005556	0.01989	-0.924307	false	false	true	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	80	0.0125	0.285531	0.002615	false	false	true	null	null	null	null	false	false	false	134	0.007463	0.055183	-0.544401	false	false	true	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	209	0.024364	0.016464	0.360603	1.081809	3	0.000243	0.432375	-5.196737	-6.461295	80	180	134	50.053305	0	0	45f061f0-dd2c-415e-8478-a2420ac079ab	0.000344	0.000609	0.000343	0.000328	0.00039	0.001352	0.000568	0.000601	0.00026	0.000346	0.000356	0.000397	0.00038	0.000329	90	115	89	84	90	92	1	86	79	89	83	87	92	78	82.5	1	0.001352	0.000472	0.000276	0.000743	0.001352	0.001352	54	0.005943	0.0125	0.000881	0.000418	0.000397	0.005406	3	null	null	null	null	null	null	null	null	null	null	null	0.333333	false	0f282971-9b0e-4dbf-9d5d-2b3450907866	71b3f48b-d2ad-45cc-bd15-c07660d1ddd0	Ani DiFranco	Not A Pretty Girl	32 Flavors	1	0.288723	39	4	101	4	false	true	367,933	0	1,995	-2.586035	-1	false	1	0	null	null	null	null	false	false	null	101	null	null	null	null	null	false	0	false	false	false	131.333333	false	0.051515	150	116	20	10.545455	null	null	null	0.345492	null	null	null	null	null	null	null	null	0.000962	0.345492	null	null	null	0.690357	0.084839	0.01594	0.154963	-0.365521	null	null	0.000338	null	null	86	0	null	0.035	null	null	null
024a2738-a96c-4e11-adf3-b2cb8311a493	1	15807e42-3572-4abc-928c-651394b08cc0	null	null	null	null	false	false	false	52	0.019231	0.243328	0.364172	false	false	true	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	149	0.017544	0.008929	0.243328	0.243328	1	0.00037	0.174583	-5.202098	-6.696576	52	52	52	null	0	0	45f061f0-dd2c-415e-8478-a2420ac079ab	0.000344	0.00285	0.000343	0.000328	0.00039	0.00038	0.000568	0.000267	0.00026	0.000346	0.000356	0.000397	0.00038	0.000329	90	115	89	84	90	92	1	86	79	89	83	87	92	78	82.5	1	0.00285	0.000538	0.000669	0.002283	0.00285	0.00285	0	0.011316	0.019231	0.002312	0.001916	0.000397	0.004876	3	null	null	null	null	null	null	null	null	null	null	null	0.333333	false	084287fa-11f2-4593-91f4-55ddd820d144	5247b448-aef7-4ed2-b576-d8a503429127	Eryn Allen Kane	Telefone	Reality Check (feat. Akenya & Eryn Allen Kane)	4	0.845786	4	18	3	7	false	false	183,135	0	2,016	-2.586035	-1	false	1	1	null	null	null	null	false	false	null	3	null	null	null	null	null	false	0	false	false	false	52	false	0.034761	171	116	20	2.468085	null	null	null	0.306118	null	null	null	null	null	null	null	null	0.00044	0.306118	null	null	null	0.611679	0.083341	0.01647	0.194337	-0.981775	null	null	0.001425	null	null	52	0	null	0.035	null	null	null
024a2738-a96c-4e11-adf3-b2cb8311a493	1	15bd9601-1d2b-4f11-9553-82044304328c	null	null	null	null	false	false	false	28	0.035714	0.371853	1.105321	false	true	true	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	162	0.006173	0.071401	-0.895515	false	false	true	null	null	null	null	false	false	false	66	0.015152	0.144055	0.001605	false	false	true	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	347	0.050376	0.023805	0.587308	1.761924	3	0.001543	0.506776	-5.063639	-6.328197	28	162	66	69.06036	0	0.071429	45f061f0-dd2c-415e-8478-a2420ac079ab	0.000344	0.005718	0.000343	0.000328	0.00039	0.00056	0.000568	0.001745	0.00026	0.000346	0.000356	0.000397	0.00038	0.000329	90	115	89	84	90	92	1	86	79	89	83	87	92	78	82.5	1	0.005718	0.000862	0.001446	0.003973	0.001745	0.005718	38	0.019253	0.015152	0.004856	0.004784	0.000397	0.011746	3	null	null	null	null	null	null	null	null	null	null	null	0.333333	false	355045b1-4321-4aac-bb8e-80e00c408932	6885f328-f410-4443-9d9a-4fc9b5699aa7	Jay Som	Baybee	Baybee	5	0.883134	18	5	12	1	false	false	225,253	0	2,017	-2.586035	-1	false	1	0	null	null	null	null	false	false	null	12	null	null	null	null	null	false	0	false	false	false	85.333333	false	0.083901	124	116	20	16.571429	null	null	null	0.337791	null	null	null	null	null	null	null	null	0.000668	0.337791	null	null	null	0.674968	0.080474	0.0096	0.162664	-0.486053	null	null	0.001429	null	null	28	0	null	0.035	null	null	null
024a2738-a96c-4e11-adf3-b2cb8311a493	1	167074bb-c415-4f5a-a4e4-71de7043c98d	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	29	0.034483	0.576796	1.322034	false	true	true	181	0.005525	0.022021	-1.005388	false	false	true	119	0.008403	0.178116	-0.447919	false	false	true	null	null	null	null	false	false	false	107	0.009346	0.083918	-0.367859	false	false	true	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	null	null	null	null	false	false	false	368	0.051781	0.02696	0.860851	3.443403	4	0.001378	0.629814	-5.071494	-6.221093	29	181	113	62.417946	0	0.071429	45f061f0-dd2c-415e-8478-a2420ac079ab	0.000344	0.000493	0.000343	0.004814	0.000453	0.000719	0.000568	0.000788	0.00026	0.000346	0.000356	0.000397	0.00038	0.000329	90	115	89	84	90	92	1	86	79	89	83	87	92	78	82.5	1	0.004814	0.000756	0.001178	0.004026	0.000788	0.004814	84	0.016375	0.009346	0.004058	0.00388	0.004814	0.005276	3	null	null	null	null	null	null	null	null	null	null	null	0.333333	false	59215056-1f1b-4ae4-84ba-a3511bf8af4a	16c049ad-f9d1-4c49-8f54-4e9949b445e7	Owen	At Home With Owen	One of These Days	1	0.288723	11	5	51	5	false	true	224,413	0	2,006	-2.586035	-1	false	1	0	null	null	null	null	false	false	null	51	null	null	null	null	null	false	2	false	true	false	109	false	0.122979	85	116	20	6.444444	null	null	null	0.468247	null	null	null	null	null	null	null	null	0.003424	0.468247	null	null	null	0.935642	0.081377	0.01607	0.032208	1.555727	null	null	0.000963	null	null	18	0	null	0.035	null	null	null

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Check out the documentation for more information.

RecSys 2026 ACM challenge, Team: Hallucinated

Step 1: Download the full challenge datasets to obtail the following structure

data/talkpl-ai/TalkPlayData-Challenge-Blind-A
data/talkpl-ai/TalkPlayData-Challenge-Blind-B
data/talkpl-ai/TalkPlayData-Challenge-Dataset
data/talkpl-ai/TalkPlayData-Challenge-Track-Embeddings
data/talkpl-ai/TalkPlayData-Challenge-Track-Metadata # Both all_tracks and test_tracks
data/talkpl-ai/TalkPlayData-Challenge-User-Embeddings
data/talkpl-ai/TalkPlayData-Challenge-User-Metadata

Step 2: Generate split K

cd src/splits
uv run python -u -m launchers.splitK_crossvalidation
uv run python -u -m launchers.explode_blind

Step 3: Compute Qwen embeddings

cd src/heuristic
uv run python scripts/12_encode_gambling_caches.py \
    --stages tracks blind blindb_all splitk \
    --models qwen3_0p6b qwen3_4b qwen3_8b --instruction-prompts none \
    --query-batch-size 2 --track-batch-size 2 --allow-downloads --trust-remote-code
    
uv run scripts/03_encode_queries.py --encoder qwen3_frozen --splits train dev blind_a blind_b

Step 4: Candidate Generators

Check readme at src/basic_candidate_generators/README_REGEN_CG_DATASETS.md and src/bert4rec/README.md

Step 5: Reranker

Check readme at src/reranker_oof/RERANKER_README.md

Step 6: Heuristic

Check readme at src/heuristic/README.md

Step 7: LLM response generation

Check readme at src/resp_blind_b/README.md

Step 8: Merge responses to prediction json

uv run merge_submission.py -p path/to/prediction.json -r path/to/response.json

For example:

uv run merge_submission.py -p heuristic/LAST.json -r ../data/blind_b_responses/final_pipeline/responses.json

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