Add manifest (metadata.json)

metadata.json

@@ -1,6 +1,6 @@
 {
   "name": "MathVision",
-  "release_date": "2024-02-01",
+  "release_date": "2026-07-07",
   "subsets": {
     "main": {
       "language": [
@@ -9,19 +9,25 @@
       "modalities": [
         "single_image_start"
       ],
-      "task_type": "vqa",
+      "task_type": "multiple_choice",
       "score_type": "rule",
       "score_protocol": {
         "reference": "official mathllm/MATH-V@evaluation/evaluate.py — purely rule-based: boxed/'the answer is' extraction, find_math_answer, is_equal (latex2sympy symbolic compare), no LLM call; identical logic vendored at lmms-eval@lmms_eval/tasks/mathvision/utils.py:79-137 (mathvision_standard_eval) + eval_utils.py.",
-        "note": "Official is_equal does latex2sympy symbolic equivalence and also accepts the option TEXT for MCQ rows (gt letter or option value); the scorer's exact/template chain reproduces letter/number matches but not symbolic LaTeX equivalence. VLMEvalKit disagrees with the official protocol (utils/mathv.py:116-160: rule prefetch then GPT answer extraction = llm_extract); official rule protocol preferred. The published prompt is the lmms-eval boxed-CoT prompt, so boxed template extraction applies."
+        "note": "Official is_equal does latex2sympy symbolic equivalence and also accepts the option TEXT for MCQ rows (gt letter or option value); the scorer's exact/template chain reproduces letter/number matches but not symbolic LaTeX equivalence. VLMEvalKit disagrees with the official protocol (utils/mathv.py:116-160: rule prefetch then GPT answer extraction = llm_extract); official rule protocol preferred. The prompt is the official MATH-V boxed prompt (models/GPT4V.py process_example_mergedimg), so boxed template extraction applies. Rows whose options are the placeholder list ['A','B','C','D','E'] have the option contents printed inside the image; the official prompt suppresses the options block for them and the options dict {A:'A',...,E:'E'} is carried verbatim from the source."
+      },
+      "prompt_template": "Please solve the problem and put your answer in one \"\\boxed{}\". If it is a multiple choice question, only one letter is allowed in the \"\\boxed{}\".\n<image>{{ question }}\n{% if options and options.values()|join('') != 'ABCDE' %}{% for k, v in options.items() %}({{ k }}) {{ v }}\n{% endfor %}{% endif %}",
+      "prompt_template_source": {
+        "origin": "official",
+        "reference": "https://github.com/mathllm/MATH-V/blob/main/models/GPT4V.py#L109-L117 (process_example_mergedimg, the __main__ inference path: boxed instruction + question + '(A) ...' options block only when options are non-empty and not the in-image placeholder list ABCDE; same suppression in geninput L22-L30)",
+        "notes": "Tier 1: official MATH-V inference code. Byte-identical to the official prompt except a single <image> placeholder inserted before the question (the HF dataset ships one merged image per row; the official code attaches it separately). lmms-eval (lmms_eval/tasks/mathvision/utils.py L33-L48) equivalently emits a 'Choices:' block only when options are present."
       },
-      "prompt_template": "Please first solve the problem step by step, then put your final answer or a single letter (if it is a multiple choice question) in one \"\\boxed{}\". \n<image>{{ question }}",
       "mapping_from_source": {
-        "media": {
-          "from": "image",
-          "type": "list",
-          "min_items": 1,
-          "max_items": 1
+        "source": {
+          "format": "huggingface",
+          "url": {
+            "test": "https://huggingface.co/datasets/MathLLMs/MathVision",
+            "testmini": "https://huggingface.co/datasets/MathLLMs/MathVision"
+          }
         },
         "id": {
           "from": "id"
@@ -29,10 +35,21 @@
         "question": {
           "from": "question"
         },
+        "options": {
+          "from": "options",
+          "optional": true,
+          "note": "list source values are normalized to {A,B,...} dict; empty list stays {}. 384/3040 test (73/304 testmini) MCQ rows carry the placeholder list ['A','B','C','D','E'] meaning the option contents are printed inside the image; the prompt template suppresses the options block for exactly those rows, mirroring official handling."
+        },
         "answer": {
           "from": "answer",
           "optional": true
         },
+        "media": {
+          "from": "decoded_image",
+          "type": "list",
+          "min_items": 1,
+          "max_items": 1
+        },
         "extra": {
           "level": {
             "from": "level"
@@ -40,19 +57,7 @@
           "subject": {
             "from": "subject"
           }
-        },
-        "source": {
-          "format": "huggingface",
-          "url": {
-            "test": "https://huggingface.co/datasets/MathLLMs/MathVision",
-            "testmini": "https://huggingface.co/datasets/MathLLMs/MathVision"
-          }
         }
-      },
-      "prompt_template_source": {
-        "origin": "official",
-        "reference": "https://github.com/EvolvingLMMs-Lab/lmms-eval/blob/main/lmms_eval/tasks/mathvision/utils.py#L29-L42 (default mathvision query_prompt='Please first solve the problem step by step, then put your final answer or a single letter (if it is a multiple choice question) in one \\\\boxed{}.')",
-        "notes": "Tier 4: lmms-eval MathVision canonical eval prompt with chain-of-thought structure and boxed-answer formatting."
       }
     }
   }