Add files using upload-large-folder tool

README.md

@@ -1,3 +1,43 @@
 ---
-license: apache-2.0
+language:
+- en
+- zh
+task_categories:
+- visual-question-answering
+pretty_name: OmniMapBench
+size_categories:
+- 1K<n<10K
 ---
+
+# OmniMapBench
+
+OmniMapBench is a map-centric visual question answering benchmark. This release contains 2096 QA samples over 1603 unique map images.
+
+## Dataset Structure
+
+The dataset is organized as:
+
+```text
+README.md
+dataset_infos.json
+metadata.jsonl
+images/
+  C4_Socioeconomic/
+    C4.Demography/
+      census_map/
+        img_0001.png
+```
+
+Each row in metadata.jsonl contains:
+
+- image_path: relative image path inside this dataset repo.
+- file_name: same value as image_path, included for Hugging Face imagefolder loading.
+- image_id: stable image identifier derived from image_path.
+- id: original QA id.
+- question: question text.
+- choices: answer candidates.
+- answer: ground-truth answer.
+- qa_type: single_choice, multi_choice, or sort.
+- capability_level: level_1, level_2, or level_3.
+- language: en or zh.
+- type: map category.

dataset_infos.json

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+{
+  "OmniMapBench": {
+    "description": "Map-centric visual question answering benchmark."
+  }
+}