Publish current MStructQA 24-language benchmark

README.md

@@ -105,7 +105,9 @@ LQA/XQA columns. All language variants of a source question share a base ID.
 | `query_language`, `image_language`, `answer_language` | ISO 639-1 language codes |
 | `configuration` | Original setting identifier; language fields define LQA/XQA membership |
 | `source_context` | Translated external document prose; empty if absent |
-| `source`, `visual_kind` | Upstream dataset and chart/table category |
+| `source` | Upstream dataset |
+| `visual_kind` | Fine-grained GPT-6 visual category, such as Grouped Bar Chart or Column-Spanning Table |
+| `visual_family` | Legacy coarse chart/table grouping for compatible evaluation cohorts |
 | `image_sha256` | Checksum of the exact image bytes |
 | `metadata_json` | Lossless canonical reference row, including provenance and automated audit flags |
 
@@ -115,6 +117,21 @@ translated into the question language. Table contents remain in the image and
 are not transcribed into the prompt. For exact prompt serialization, use
 `scripts.evaluation.context_input.input_text` on `json.loads(metadata_json)`.
 
+## Visual categories
+
+`visual_kind` is classified by GPT-6 Astra from one current English image per base
+case and shared across its localized variants. It describes the visible chart
+type or table merge structure; questions and answers are not classifier inputs.
+Tables use **Simple Table**, **Row-Spanning Table**, **Column-Spanning Table** or
+**Mixed-Spanning Table**. Simple means no merged rows/columns, not a one-cell table.
+Charts use a more specific vocabulary for bars, lines, distributions, spatial
+fields, diagrams and composites. `visual_family` retains the legacy chart/table
+cohort. See [taxonomy definitions](https://github.com/arnodjiang/MStructQA/blob/main/docs/VISUAL_TAXONOMY.md).
+The exact archive includes `visual_taxonomy.json` and `visual_classification.json`
+with per-case evidence, secondary types, layout and model confidence. These are
+model-generated annotations, not human certification. The change affects metadata
+only: images, queries, reference answers and source context are unchanged.
+
 ## Sources and construction
 
 | Source | Base questions | QA configurations |
@@ -174,3 +191,42 @@ alongside MStructQA.
 ```
 
 This is a repository citation; no accepted venue or publication DOI is asserted.
+
+## Observed visual types
+
+The current release contains 32 primary types. Counts are base cases; each case contributes 70 QA configurations.
+
+| Type | Base cases | QA |
+| --- | ---: | ---: |
+| Multi-Series Line Graph | 23 | 1610 |
+| Simple Table | 20 | 1400 |
+| Column-Spanning Table | 15 | 1050 |
+| Mixed Chart | 9 | 630 |
+| Grouped Bar Chart | 5 | 350 |
+| Line Graph with Uncertainty Bands | 5 | 350 |
+| Heatmap | 4 | 280 |
+| Line Graph | 4 | 280 |
+| Pie Chart | 4 | 280 |
+| Horizontal Bar Chart | 3 | 210 |
+| Mixed-Spanning Table | 3 | 210 |
+| Stacked Bar Chart | 3 | 210 |
+| Area Chart | 2 | 140 |
+| Bar-Line Combination Chart | 2 | 140 |
+| Chart-Table Composite | 2 | 140 |
+| Cumulative Distribution Plot | 2 | 140 |
+| Density Plot | 2 | 140 |
+| Diverging Bar Chart | 2 | 140 |
+| Line Graph with Error Bars | 2 | 140 |
+| Phase Diagram | 2 | 140 |
+| Row-Spanning Table | 2 | 140 |
+| Scatter Plot with Error Bars | 2 | 140 |
+| 3D Streamline Plot | 1 | 70 |
+| Bubble Chart | 1 | 70 |
+| Confusion Matrix | 1 | 70 |
+| Contour Plot | 1 | 70 |
+| Correlation Matrix | 1 | 70 |
+| Histogram | 1 | 70 |
+| Lollipop Chart | 1 | 70 |
+| Scatter Plot | 1 | 70 |
+| Table-Diagram Composite | 1 | 70 |
+| Vertical Bar Chart | 1 | 70 |

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release.json

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     "TableVQA-Bench": 1540,
     "Visual-TableQA": 700
   },
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+    "Heatmap": 280,
+    "Line Graph": 280,
+    "Line Graph with Uncertainty Bands": 350,
+    "Scatter Plot with Error Bars": 140,
+    "Stacked Bar Chart": 210,
+    "Scatter Plot": 70,
+    "Grouped Bar Chart": 350,
+    "Mixed Chart": 630,
+    "Lollipop Chart": 70,
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+    "Histogram": 70,
+    "3D Streamline Plot": 70,
+    "Contour Plot": 70,
+    "Confusion Matrix": 70,
+    "Density Plot": 140,
+    "Area Chart": 140,
+    "Correlation Matrix": 70,
+    "Phase Diagram": 140,
+    "Horizontal Bar Chart": 210,
+    "Pie Chart": 280,
+    "Vertical Bar Chart": 70,
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+    "Chart-Table Composite": 140,
+    "Bubble Chart": 70,
+    "Simple Table": 1400,
+    "Column-Spanning Table": 1050,
+    "Row-Spanning Table": 140,
+    "Mixed-Spanning Table": 210,
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