May-2026 recovery: live-API body refresh + NULL-markdown semantics + title/agency sweep

README.md

@@ -63,12 +63,53 @@ configs:
 | Văn bản công bố · Documents | **158,822** |
 | Tổng số bản ghi đầu vào · Raw extract rows | 158,822 |
 | Loại bỏ vì rỗng · Dropped (empty body) | 0 |
+| Không có thân bài · `markdown` is null (source has no body) | 11,508 |
 | Có cấu trúc · With structure layer | 158,822 |
 | Có tệp đính kèm · With downloaded attachment | 0 |
-| Trung vị ký tự · Median chars / doc | 4,475 |
+| Trung vị ký tự · Median chars / doc | 5,311 |
 | Trung vị trang · Median pages / doc | – |
 | Trung vị đoạn văn · Median paragraphs / doc | 39 |
-| Trung vị câu · Median sentences / doc | 51 |
+| Trung vị câu · Median sentences / doc | 53 |
+
+## Tổng quan trực quan · Visual overview
+
+Sáu hình tóm tắt cấu trúc của corpus. Tất cả hình được tạo bằng `plotly` + `kaleido` (Chromium headless) và lưu thành PNG tĩnh để hiển thị trong dataset card. — Six pictures summarising the corpus structure. All figures are rendered with `plotly` + `kaleido` (headless Chromium) and saved as static PNG for the dataset card.
+
+### Phân bố theo lĩnh vực pháp luật
+
+![Phân bố theo lĩnh vực pháp luật](./overview-legalarea-treemap.png)
+
+Top 25 legal areas sized by document count. The pale `Chưa phân loại` ('uncategorised') rectangle covers ~72% on its own -- vbpl.vn editors haven't tagged most legacy docs.
+
+### Phạm vi → loại văn bản
+
+![Phạm vi → loại văn bản](./overview-scope-doctype-sunburst.png)
+
+Two-level radial split: `scope` (inner) → `doc_type` (outer, top 12 per scope). Reveals where the corpus weight sits -- `dia_phuong` (~66%) is mostly `QĐ` (decisions) and `NQ` (resolutions), while `trung_uong` mixes `QĐ` / `NĐ` (decrees) / `TT` (circulars).
+
+### Top 20 loại văn bản
+
+![Top 20 loại văn bản](./overview-doctype-bars.png)
+
+Document types ranked by count, with the canonical short code, full Vietnamese name, and an English gloss.
+
+### Số văn bản theo năm và phạm vi
+
+![Số văn bản theo năm và phạm vi](./overview-year-stack.png)
+
+Stacked area of documents issued per year, split by `scope`. The legacy CMS migration concentrates early years; modern post-2010 output is dominated by `dia_phuong`.
+
+### Loại văn bản qua các năm
+
+![Loại văn bản qua các năm](./overview-doctype-year-heatmap.png)
+
+Top-12 `doc_type` × year heatmap (log₁₀ scale). Shows the shift from `CT` directives in the early 90s to `QĐ` decisions as the workhorse instrument from 2000 onwards.
+
+### Top 15 cơ quan ban hành
+
+![Top 15 cơ quan ban hành](./overview-agency-bars.png)
+
+Top issuing agencies. Quốc hội + Chính phủ + the larger ministries dominate `trung_uong`; provincial People's Councils / Committees split the `dia_phuong` half.
 
 ## Phạm vi · Scope split
 
@@ -115,13 +156,13 @@ Pháp luật 2015 — `hien_phap` / `bo_luat` / `luat` / `phap_lenh` /
 
 | Value | Count | Share |
 |---|---:|---:|
-| `quyet_dinh` | 84,991 | 53.5% |
+| `quyet_dinh` | 84,970 | 53.5% |
 | `nghi_quyet` | 26,091 | 16.4% |
-| `thong_tu` | 16,221 | 10.2% |
-| `ban_dich_van_ban` | 10,260 | 6.5% |
-| `chi_thi` | 7,911 | 5.0% |
-| `nghi_dinh` | 4,702 | 3.0% |
-| `thong_tu_lien_tich` | 3,394 | 2.1% |
+| `thong_tu` | 16,212 | 10.2% |
+| `ban_dich_van_ban` | 10,576 | 6.7% |
+| `chi_thi` | 7,908 | 5.0% |
+| `nghi_dinh` | 4,690 | 3.0% |
+| `thong_tu_lien_tich` | 3,393 | 2.1% |
 | `van_ban_hop_nhat` | 1,792 | 1.1% |
 | `sac_lenh` | 980 | 0.6% |
 | `cong_van` | 708 | 0.4% |
@@ -132,13 +173,13 @@ Pháp luật 2015 — `hien_phap` / `bo_luat` / `luat` / `phap_lenh` /
 
 | Value | Count | Share |
 |---|---:|---:|
-| `Quyết định` | 84,991 | 53.5% |
+| `Quyết định` | 84,970 | 53.5% |
 | `Nghị quyết` | 26,091 | 16.4% |
-| `Thông tư` | 16,221 | 10.2% |
-| `Bản dịch văn bản` | 10,260 | 6.5% |
-| `Chỉ thị` | 7,911 | 5.0% |
-| `Nghị định` | 4,702 | 3.0% |
-| `Thông tư liên tịch` | 3,394 | 2.1% |
+| `Thông tư` | 16,212 | 10.2% |
+| `Bản dịch văn bản` | 10,576 | 6.7% |
+| `Chỉ thị` | 7,908 | 5.0% |
+| `Nghị định` | 4,690 | 3.0% |
+| `Thông tư liên tịch` | 3,393 | 2.1% |
 | `Văn bản hợp nhất` | 1,792 | 1.1% |
 | `Sắc lệnh` | 980 | 0.6% |
 | `Công văn` | 708 | 0.4% |
@@ -157,26 +198,26 @@ show the structural overlap between adjacent areas.
 
 | Value | Count | Share |
 |---|---:|---:|
-| `Chưa phân loại` | 113,916 | 71.7% |
-| `Đất đai` | 2,796 | 1.8% |
-| `Quản lý thuế, phí, lệ phí và thu khác của ngân sách nhà nước` | 2,209 | 1.4% |
-| `Quản lý thuế, phí và lệ phí` | 1,685 | 1.1% |
-| `Lĩnh vực giá` | 1,603 | 1.0% |
-| `Tổ chức- Biên chế` | 1,407 | 0.9% |
-| `Lao động, tiền lương, tiền công` | 1,368 | 0.9% |
-| `Quản lý ngân sách` | 1,207 | 0.8% |
-| `Quản lý ngân sách nhà nước` | 1,028 | 0.6% |
-| `Đường bộ` | 929 | 0.6% |
-| `Ngân sách nhà nước` | 919 | 0.6% |
-| `Chính quyền địa phương` | 849 | 0.5% |
-| `Công chức, viên chức` | 696 | 0.4% |
-| `Tài chính khác` | 654 | 0.4% |
-| `Lâm nghiệp` | 628 | 0.4% |
-| `Môi trường` | 542 | 0.3% |
-| `Nông nghiệp` | 503 | 0.3% |
-| `Thủy lợi` | 462 | 0.3% |
-| `Chính sách thuế` | 445 | 0.3% |
-| `Cải cách hành chính` | 402 | 0.3% |
+| `Chưa phân loại` | 112,784 | 71.0% |
+| `Đất đai` | 2,861 | 1.8% |
+| `Quản lý thuế, phí, lệ phí và thu khác của ngân sách nhà nước` | 2,301 | 1.4% |
+| `Quản lý thuế, phí và lệ phí` | 1,698 | 1.1% |
+| `Lĩnh vực giá` | 1,673 | 1.1% |
+| `Tổ chức- Biên chế` | 1,424 | 0.9% |
+| `Lao động, tiền lương, tiền công` | 1,373 | 0.9% |
+| `Quản lý ngân sách` | 1,211 | 0.8% |
+| `Quản lý ngân sách nhà nước` | 1,052 | 0.7% |
+| `Ngân sách nhà nước` | 951 | 0.6% |
+| `Đường bộ` | 942 | 0.6% |
+| `Chính quyền địa phương` | 869 | 0.5% |
+| `Công chức, viên chức` | 715 | 0.5% |
+| `Tài chính khác` | 657 | 0.4% |
+| `Lâm nghiệp` | 637 | 0.4% |
+| `Môi trường` | 557 | 0.4% |
+| `Nông nghiệp` | 513 | 0.3% |
+| `Thủy lợi` | 473 | 0.3% |
+| `Chính sách thuế` | 465 | 0.3% |
+| `Tổ chức cán bộ` | 407 | 0.3% |
 
 ## Cơ quan ban hành · Issuing agency
 
@@ -186,21 +227,21 @@ chia khá đều phần `dia_phuong`.
 
 | Value | Count | Share |
 |---|---:|---:|
-| `Bộ Tài chính` | 11,716 | 7.4% |
-| `Thủ tướng Chính phủ` | 7,658 | 4.8% |
-| `Chính phủ` | 6,925 | 4.4% |
-| `UBND Thành phố Hồ Chí Minh` | 5,179 | 3.3% |
-| `unknown` | 4,522 | 2.8% |
-| `Bộ Nông nghiệp và Phát triển nông thôn` | 2,501 | 1.6% |
-| `UBND Tỉnh Lào Cai` | 2,477 | 1.6% |
-| `UBND Tỉnh Nghệ An` | 2,461 | 1.5% |
-| `UBND tỉnh Bình Phước` | 2,395 | 1.5% |
-| `Ngân hàng Nhà nước Việt Nam` | 2,143 | 1.3% |
-| `UBND Thành phố Hà Nội` | 2,111 | 1.3% |
-| `UBND thành phố Đà Nẵng` | 1,916 | 1.2% |
-| `Bộ Giao thông vận tải` | 1,893 | 1.2% |
-| `UBND Thành phố Hải Phòng` | 1,865 | 1.2% |
-| `UBND tỉnh Bà Rịa - Vũng Tàu` | 1,842 | 1.2% |
+| `Bộ Tài chính` | 11,793 | 7.4% |
+| `Thủ tướng Chính phủ` | 7,849 | 4.9% |
+| `Chính phủ` | 7,168 | 4.5% |
+| `UBND Thành phố Hồ Chí Minh` | 5,312 | 3.3% |
+| `Bộ Nông nghiệp và Phát triển nông thôn` | 2,526 | 1.6% |
+| `UBND Tỉnh Lào Cai` | 2,497 | 1.6% |
+| `UBND Tỉnh Nghệ An` | 2,477 | 1.6% |
+| `UBND tỉnh Bình Phước` | 2,410 | 1.5% |
+| `Ngân hàng Nhà nước Việt Nam` | 2,198 | 1.4% |
+| `UBND Thành phố Hà Nội` | 2,123 | 1.3% |
+| `UBND thành phố Đà Nẵng` | 2,018 | 1.3% |
+| `UBND tỉnh Bà Rịa - Vũng Tàu` | 1,956 | 1.2% |
+| `Bộ Giao thông vận tải` | 1,925 | 1.2% |
+| `UBND Thành phố Hải Phòng` | 1,885 | 1.2% |
+| `UBND Tỉnh Gia Lai` | 1,765 | 1.1% |
 
 ## Năm ban hành · Year of issue
 
@@ -212,35 +253,35 @@ date.
 | Year | Count |
 |---:|---:|
 | 2026 | 761 |
-| 2025 | 9,340 |
-| 2024 | 7,299 |
-| 2023 | 5,364 |
-| 2022 | 5,370 |
-| 2021 | 5,298 |
-| 2020 | 4,678 |
-| 2019 | 4,981 |
-| 2018 | 4,688 |
-| 2017 | 4,508 |
-| 2016 | 6,108 |
-| 2015 | 4,897 |
-| 2014 | 5,736 |
-| 2013 | 5,077 |
-| 2012 | 4,842 |
-| 2011 | 4,791 |
-| 2010 | 4,401 |
-| 2009 | 4,902 |
-| 2008 | 5,395 |
-| 2007 | 6,537 |
-| 2006 | 6,554 |
-| 2005 | 5,382 |
-| 2004 | 5,041 |
-| 2003 | 4,229 |
-| 2002 | 3,565 |
-| 2001 | 3,339 |
-| 2000 | 2,740 |
-| 1999 | 3,045 |
-| 1998 | 2,673 |
-| 1997 | 2,296 |
+| 2025 | 9,427 |
+| 2024 | 7,307 |
+| 2023 | 5,367 |
+| 2022 | 5,378 |
+| 2021 | 5,306 |
+| 2020 | 4,682 |
+| 2019 | 4,983 |
+| 2018 | 4,979 |
+| 2017 | 5,591 |
+| 2016 | 6,307 |
+| 2015 | 5,346 |
+| 2014 | 5,880 |
+| 2013 | 5,204 |
+| 2012 | 4,893 |
+| 2011 | 4,834 |
+| 2010 | 4,431 |
+| 2009 | 4,930 |
+| 2008 | 5,453 |
+| 2007 | 6,713 |
+| 2006 | 6,684 |
+| 2005 | 5,485 |
+| 2004 | 5,120 |
+| 2003 | 4,281 |
+| 2002 | 3,627 |
+| 2001 | 3,395 |
+| 2000 | 2,785 |
+| 1999 | 3,079 |
+| 1998 | 2,746 |
+| 1997 | 2,346 |
 
 ## Nguồn nội dung · Body provenance
 
@@ -255,8 +296,8 @@ otherwise.
 
 | Value | Count | Share |
 |---|---:|---:|
-| `body_html` | 143,470 | 90.3% |
-| `shell_html` | 15,351 | 9.7% |
+| `body_html` | 147,316 | 92.8% |
+| `shell_html` | 11,505 | 7.2% |
 | `metadata_only` | 1 | 0.0% |
 
 ## Lược đồ bảng `documents` · `documents` schema
@@ -285,14 +326,14 @@ The parquet has three families of columns:
 
 | Field | Type | Description |
 |---|---|---|
-| `markdown` | string | NFC-normalised, modern-orthography Vietnamese markdown (page-segmented with `## Page N` headings when parsed from a PDF). Gateway / Word / Next.js scaffolding is stripped: the `Document Content\\n\\nbody { font-family: ... }\\np { margin: ... }` API preamble (~50 % of bodies), Word `<!-- /* Font Definitions */ @font-face { ... } p.MsoNormal { ... } -->` stylesheet dumps, standalone CSS rule blocks gated by property / selector / structural CSS tells, Ant Design `:where(.css-...){ ... }@keyframes ...{ ... }` chains (`shell_html` docs), orphan selector fragments, and malformed inline `<span lang="..." style="...">` tags. ~90 % of rows lose 1-200 KB of boilerplate; total corpus markdown shrunk by ~1.77 GB / 42 %. `body_source="shell_html"` rows (the Next.js shell fallback) get replaced by a synthesized metadata-only body because no real document text was ever delivered for those URLs. |
+| `markdown` | string (nullable) | NFC-normalised, modern-orthography Vietnamese markdown (page-segmented with `## Page N` headings when parsed from a PDF). Gateway / Word / Next.js scaffolding is stripped: the `Document Content\\n\\nbody { font-family: ... }\\np { margin: ... }` API preamble (~50 % of bodies), Word `<!-- /* Font Definitions */ @font-face { ... } p.MsoNormal { ... } -->` stylesheet dumps, standalone CSS rule blocks gated by property / selector / structural CSS tells, Ant Design `:where(.css-...){ ... }@keyframes ...{ ... }` chains, orphan selector fragments, and malformed inline `<span lang="..." style="...">` tags. ~90 % of rows lose 1-200 KB of boilerplate; total corpus markdown shrunk by ~1.77 GB / 42 %. **Null** when (a) `body_source == "shell_html"` after the May-2026 live-API recovery (the source genuinely has no body for those legacy IDs) or (b) the title starts with the vbpl `"Lỗi "` editorial marker; bibliographic metadata (title, agency, so_hieu, ...) is still populated on NULL-markdown rows so consumers retain the citation handle. |
 | `num_pages` | int32 | Page count from the parser (PDF/DOCX only). |
 | `num_sections` / `num_paragraphs` / `num_sentences` | int32 | Counts from the structure layer. |
 | `char_len` | int32 | Character length of `markdown` **after** the junk-strip pass (recomputed at export time so consumers can dedupe on the actual shipped body). |
 | `text_hash` | string | SHA-256 first-32 hex of `markdown` **after** the junk-strip pass (re-run-stable id; differs from the upstream `extract.jsonl` hash for any row that had scaffolding removed). |
 | `parser_model` | string | Backend that produced the markdown (`local/pypdf`, `local/markdownify`, `nvidia/nemoretriever-parse`, …). |
 | `parser_runtime` | string | The configured `parser.runtime` (`local` / `nim` / `hybrid`). |
-| `body_source` | string | Which source produced the body: `file` (downloaded PDF/.doc/.docx), `body_html` (API-captured), `shell_html` (Next.js shell fallback -- always carries a synthesized metadata body in the exported `markdown`). |
+| `body_source` | string | Which source produced the body: `file` (downloaded PDF/.doc/.docx), `body_html` (API-captured), `shell_html` (Next.js shell fallback -- the gateway never delivered a real body; published with `markdown=null` after the May-2026 live-API recovery sweep confirmed the source publishes only metadata for those legacy IDs). |
 | `parsed_at` | string | ISO 8601 parser timestamp. |
 
 ### Hierarchy + entities
@@ -385,7 +426,26 @@ All five layers are deterministic and re-runnable; re-running any
 stage with the same `--limit` is a no-op (each stage skips
 already-produced outputs).
 
-Captured: `2026-05-20T07:13:05.836462+00:00`.
+### Body-recovery rerun (May 2026)
+
+A targeted retry against the public gateway
+`https://vbpl-bientap-gateway.moj.gov.vn/api/qtdc/public/doc/<id>`
+recovered **3,849 / 15,351** previously bodyless documents (the
+gateway now publishes real `documentContent.content` HTML for that
+slice even though our cached SPA fetch came back empty in
+2026-04). The remaining ~11.5K are genuinely bodyless on the
+official vbpl source (legacy / cancelled documents the publisher
+no longer carries a full text for) and ship in this dataset with
+`markdown=null`; the same `null` treatment applies to a handful of
+records whose title begins with vbpl's `"Lỗi "` editorial marker.
+Bibliographic metadata (title, agency, document number, issue
+date, ...) is still populated on those rows so consumers retain
+the citation handle even when no body is available. Per-doc
+embedding parquets for the NULL-markdown rows are dropped from
+the embedding corpus entirely so the reducer fits on the
+embeddable rows only (147,314-row corpus).
+
+Captured: `2026-05-20T09:59:13.290327+00:00`.
 
 ## Nguồn · Source
 

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