Datasets:

asingh15
/

prm-mc-value-context-none-stratified-v1

messages listlengths 2 2	enable_thinking bool 1 class	id stringlengths 16 16	source stringclasses 1 value	sample_index int64 0 7	step_idx int64 0 244	num_steps int64 1 2.26k	label stringclasses 1 value	correct bool 2 classes	loss_weight float64 1 1	reward float64 0.13 0.88
[ { "role": "user", "content": "# Role\nYou are an expert evaluator acting as a process reward model (PRM). You are given a\nproblem and a step-by-step solution that may be only a partial trace -- a prefix\nof a longer reasoning chain that can stop in the middle of a step. Judge whether the\nreasoning sho...	false	8754a7c9a035fd12	polaris	1	4	12	yes	true	1	0.625
[ { "role": "user", "content": "# Role\nYou are an expert evaluator acting as a process reward model (PRM). You are given a\nproblem and a step-by-step solution that may be only a partial trace -- a prefix\nof a longer reasoning chain that can stop in the middle of a step. Judge whether the\nreasoning sho...	false	8754a7c9a035fd12	polaris	1	8	12	yes	true	1	0.8125
[ { "role": "user", "content": "# Role\nYou are an expert evaluator acting as a process reward model (PRM). You are given a\nproblem and a step-by-step solution that may be only a partial trace -- a prefix\nof a longer reasoning chain that can stop in the middle of a step. Judge whether the\nreasoning sho...	false	8754a7c9a035fd12	polaris	1	12	12	yes	true	1	0.875
[ { "role": "user", "content": "# Role\nYou are an expert evaluator acting as a process reward model (PRM). You are given a\nproblem and a step-by-step solution that may be only a partial trace -- a prefix\nof a longer reasoning chain that can stop in the middle of a step. Judge whether the\nreasoning sho...	false	8754a7c9a035fd12	polaris	0	0	23	yes	true	1	0.8125
[ { "role": "user", "content": "# Role\nYou are an expert evaluator acting as a process reward model (PRM). You are given a\nproblem and a step-by-step solution that may be only a partial trace -- a prefix\nof a longer reasoning chain that can stop in the middle of a step. Judge whether the\nreasoning sho...	false	8754a7c9a035fd12	polaris	0	4	23	yes	true	1	0.6875
[ { "role": "user", "content": "# Role\nYou are an expert evaluator acting as a process reward model (PRM). You are given a\nproblem and a step-by-step solution that may be only a partial trace -- a prefix\nof a longer reasoning chain that can stop in the middle of a step. Judge whether the\nreasoning sho...	false	8754a7c9a035fd12	polaris	0	8	23	yes	true	1	0.6875
[ { "role": "user", "content": "# Role\nYou are an expert evaluator acting as a process reward model (PRM). You are given a\nproblem and a step-by-step solution that may be only a partial trace -- a prefix\nof a longer reasoning chain that can stop in the middle of a step. Judge whether the\nreasoning sho...	false	8754a7c9a035fd12	polaris	0	12	23	yes	true	1	0.75
[ { "role": "user", "content": "# Role\nYou are an expert evaluator acting as a process reward model (PRM). You are given a\nproblem and a step-by-step solution that may be only a partial trace -- a prefix\nof a longer reasoning chain that can stop in the middle of a step. Judge whether the\nreasoning sho...	false	8754a7c9a035fd12	polaris	0	16	23	yes	true	1	0.875
[ { "role": "user", "content": "# Role\nYou are an expert evaluator acting as a process reward model (PRM). You are given a\nproblem and a step-by-step solution that may be only a partial trace -- a prefix\nof a longer reasoning chain that can stop in the middle of a step. Judge whether the\nreasoning sho...	false	8754a7c9a035fd12	polaris	0	20	23	yes	true	1	0.6875
[ { "role": "user", "content": "# Role\nYou are an expert evaluator acting as a process reward model (PRM). You are given a\nproblem and a step-by-step solution that may be only a partial trace -- a prefix\nof a longer reasoning chain that can stop in the middle of a step. Judge whether the\nreasoning sho...	false	8754a7c9a035fd12	polaris	0	23	23	yes	true	1	0.8125
[ { "role": "user", "content": "# Role\nYou are an expert evaluator acting as a process reward model (PRM). You are given a\nproblem and a step-by-step solution that may be only a partial trace -- a prefix\nof a longer reasoning chain that can stop in the middle of a step. Judge whether the\nreasoning sho...	false	16c10074af3b3015	polaris	0	0	18	yes	true	1	0.6875
[ { "role": "user", "content": "# Role\nYou are an expert evaluator acting as a process reward model (PRM). You are given a\nproblem and a step-by-step solution that may be only a partial trace -- a prefix\nof a longer reasoning chain that can stop in the middle of a step. Judge whether the\nreasoning sho...	false	16c10074af3b3015	polaris	0	16	18	yes	true	1	0.8125
[ { "role": "user", "content": "# Role\nYou are an expert evaluator acting as a process reward model (PRM). You are given a\nproblem and a step-by-step solution that may be only a partial trace -- a prefix\nof a longer reasoning chain that can stop in the middle of a step. Judge whether the\nreasoning sho...	false	16c10074af3b3015	polaris	1	0	28	yes	true	1	0.625
[ { "role": "user", "content": "# Role\nYou are an expert evaluator acting as a process reward model (PRM). You are given a\nproblem and a step-by-step solution that may be only a partial trace -- a prefix\nof a longer reasoning chain that can stop in the middle of a step. Judge whether the\nreasoning sho...	false	16c10074af3b3015	polaris	1	4	28	yes	true	1	0.875
[ { "role": "user", "content": "# Role\nYou are an expert evaluator acting as a process reward model (PRM). You are given a\nproblem and a step-by-step solution that may be only a partial trace -- a prefix\nof a longer reasoning chain that can stop in the middle of a step. Judge whether the\nreasoning sho...	false	16c10074af3b3015	polaris	1	8	28	yes	true	1	0.875
[ { "role": "user", "content": "# Role\nYou are an expert evaluator acting as a process reward model (PRM). You are given a\nproblem and a step-by-step solution that may be only a partial trace -- a prefix\nof a longer reasoning chain that can stop in the middle of a step. Judge whether the\nreasoning sho...	false	16c10074af3b3015	polaris	1	16	28	yes	true	1	0.875
[ { "role": "user", "content": "# Role\nYou are an expert evaluator acting as a process reward model (PRM). You are given a\nproblem and a step-by-step solution that may be only a partial trace -- a prefix\nof a longer reasoning chain that can stop in the middle of a step. Judge whether the\nreasoning sho...	false	16c10074af3b3015	polaris	1	20	28	yes	true	1	0.8125
[ { "role": "user", "content": "# Role\nYou are an expert evaluator acting as a process reward model (PRM). You are given a\nproblem and a step-by-step solution that may be only a partial trace -- a prefix\nof a longer reasoning chain that can stop in the middle of a step. Judge whether the\nreasoning sho...	false	16c10074af3b3015	polaris	1	28	28	yes	true	1	0.625
[ { "role": "user", "content": "# Role\nYou are an expert evaluator acting as a process reward model (PRM). You are given a\nproblem and a step-by-step solution that may be only a partial trace -- a prefix\nof a longer reasoning chain that can stop in the middle of a step. Judge whether the\nreasoning sho...	false	217443ef5fd5c764	polaris	6	0	12	yes	false	1	0.3125
[ { "role": "user", "content": "# Role\nYou are an expert evaluator acting as a process reward model (PRM). You are given a\nproblem and a step-by-step solution that may be only a partial trace -- a prefix\nof a longer reasoning chain that can stop in the middle of a step. Judge whether the\nreasoning sho...	false	217443ef5fd5c764	polaris	0	0	15	yes	false	1	0.125
[ { "role": "user", "content": "# Role\nYou are an expert evaluator acting as a process reward model (PRM). You are given a\nproblem and a step-by-step solution that may be only a partial trace -- a prefix\nof a longer reasoning chain that can stop in the middle of a step. Judge whether the\nreasoning sho...	false	217443ef5fd5c764	polaris	0	4	15	yes	true	1	0.875
[ { "role": "user", "content": "# Role\nYou are an expert evaluator acting as a process reward model (PRM). You are given a\nproblem and a step-by-step solution that may be only a partial trace -- a prefix\nof a longer reasoning chain that can stop in the middle of a step. Judge whether the\nreasoning sho...	false	217443ef5fd5c764	polaris	0	8	15	yes	false	1	0.125
[ { "role": "user", "content": "# Role\nYou are an expert evaluator acting as a process reward model (PRM). You are given a\nproblem and a step-by-step solution that may be only a partial trace -- a prefix\nof a longer reasoning chain that can stop in the middle of a step. Judge whether the\nreasoning sho...	false	bb520714cd137b5b	polaris	0	4	37	yes	true	1	0.875
[ { "role": "user", "content": "# Role\nYou are an expert evaluator acting as a process reward model (PRM). You are given a\nproblem and a step-by-step solution that may be only a partial trace -- a prefix\nof a longer reasoning chain that can stop in the middle of a step. Judge whether the\nreasoning sho...	false	bb520714cd137b5b	polaris	0	12	37	yes	true	1	0.875
[ { "role": "user", "content": "# Role\nYou are an expert evaluator acting as a process reward model (PRM). You are given a\nproblem and a step-by-step solution that may be only a partial trace -- a prefix\nof a longer reasoning chain that can stop in the middle of a step. Judge whether the\nreasoning sho...	false	bb520714cd137b5b	polaris	0	16	37	yes	true	1	0.875
[ { "role": "user", "content": "# Role\nYou are an expert evaluator acting as a process reward model (PRM). You are given a\nproblem and a step-by-step solution that may be only a partial trace -- a prefix\nof a longer reasoning chain that can stop in the middle of a step. Judge whether the\nreasoning sho...	false	bb520714cd137b5b	polaris	0	20	37	yes	true	1	0.875
[ { "role": "user", "content": "# Role\nYou are an expert evaluator acting as a process reward model (PRM). You are given a\nproblem and a step-by-step solution that may be only a partial trace -- a prefix\nof a longer reasoning chain that can stop in the middle of a step. Judge whether the\nreasoning sho...	false	bb520714cd137b5b	polaris	0	28	37	yes	true	1	0.875
[ { "role": "user", "content": "# Role\nYou are an expert evaluator acting as a process reward model (PRM). You are given a\nproblem and a step-by-step solution that may be only a partial trace -- a prefix\nof a longer reasoning chain that can stop in the middle of a step. Judge whether the\nreasoning sho...	false	bb520714cd137b5b	polaris	1	12	55	yes	true	1	0.875
[ { "role": "user", "content": "# Role\nYou are an expert evaluator acting as a process reward model (PRM). You are given a\nproblem and a step-by-step solution that may be only a partial trace -- a prefix\nof a longer reasoning chain that can stop in the middle of a step. Judge whether the\nreasoning sho...	false	bb520714cd137b5b	polaris	1	16	55	yes	true	1	0.8125
[ { "role": "user", "content": "# Role\nYou are an expert evaluator acting as a process reward model (PRM). You are given a\nproblem and a step-by-step solution that may be only a partial trace -- a prefix\nof a longer reasoning chain that can stop in the middle of a step. Judge whether the\nreasoning sho...	false	3cd039cbbf4fda4c	polaris	0	0	45	yes	false	1	0.3125

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PRM MC Value Context: None (Stratified v1)

No auxiliary attempts are included in the prompt.

This repository is one arm of a five-way, row-matched process reward model ablation. The target is a Monte Carlo probability of eventual rollout success for a partial solution prefix; only the auxiliary context changes between arms.

Arm configuration

Context mode: none
Cross-problem context: no
Context correctness labels: no
Split policy: deterministic difficulty-stratified v1
Split manifest SHA-256: c7287b917d3ee6eca482051c5256610b1b193e8f7bcd7800a28bfaed21351637

Cross-problem examples are selected within the query row's split. The held-out problems therefore do not leak into training context.

Splits

Split	Rows	Problems
train	50,447	6,879
validation	1,098	128
test	4,755	512

The local val.parquet artifact is published as validation.parquet. dataset_provenance.json, split_manifest.json, and verification.json record the build and five-arm integrity checks.

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