Datasets:

lukeslp
/

language-data

+{
+  "dataset_name": "Language Family Trees - World Languages Phylogeny",
+  "last_updated": "2026-01-18",
+  "consolidation_date": "2026-01-18",
+  "source": "Glottolog 4.8, Ethnologue 25th edition, Wikidata, Unicode CLDR",
+  "total_languages": 360,
+  "file_count": 9,
+  "total_size_mb": 12,
+  "canonical_location": "/home/coolhand/html/datavis/data_trove/data/linguistic/language-families/",
+  "symlink_locations": [
+    "/home/coolhand/html/datavis/language/data/"
+  ],
+  "files": {
+    "language-history.json": {
+      "size_mb": 4.8,
+      "nodes": 360,
+      "type": "Primary version",
+      "purpose": "Standard hierarchical tree for most visualizations",
+      "structure": "Full depth (up to 12 levels)",
+      "recommended_for": ["tree layouts", "force-directed networks", "hierarchical visualizations"]
+    },
+    "language-history-depth6.json": {
+      "size_mb": 1.9,
+      "nodes": 360,
+      "type": "Flattened version",
+      "purpose": "Optimized for visualizations with limited vertical space",
+      "structure": "Maximum depth of 6 levels",
+      "recommended_for": ["radial dendrograms", "small screens", "space-constrained layouts"]
+    },
+    "language-history-glottolog.json": {
+      "size_mb": 4.6,
+      "nodes": 360,
+      "type": "Enriched version",
+      "purpose": "Includes Glottolog metadata for research",
+      "additional_fields": ["glottolog_code", "coordinates", "status", "alternative_names"],
+      "recommended_for": ["academic visualizations", "linguistic research", "geographic mapping"]
+    },
+    "pie-full.json": {
+      "size_kb": 160,
+      "scope": "Proto-Indo-European family only",
+      "type": "Complete PIE tree",
+      "purpose": "All documented Indo-European languages",
+      "branches": ["Germanic", "Romance", "Slavic", "Indo-Iranian", "Celtic", "Hellenic"],
+      "recommended_for": ["comprehensive PIE visualization", "Indo-European focused projects"]
+    },
+    "pie-curated.json": {
+      "size_kb": 98,
+      "scope": "Proto-Indo-European family only",
+      "type": "Curated PIE subset",
+      "purpose": "Major Indo-European languages (simplified)",
+      "recommended_for": ["educational visualizations", "overview presentations"]
+    },
+    "pie-hybrid.json": {
+      "size_kb": 75,
+      "scope": "Proto-Indo-European family only",
+      "type": "Hybrid PIE format",
+      "purpose": "Balanced detail - comprehensive but manageable",
+      "recommended_for": ["web-based exploratory interfaces", "progressive disclosure"]
+    },
+    "speaker_counts.json": {
+      "size_kb": 6,
+      "type": "Supporting data",
+      "format": "{ iso_639_3: population }",
+      "purpose": "Speaker population statistics for size encoding",
+      "recommended_for": ["bubble charts", "proportional node sizing"]
+    },
+    "iso-639-3-aliases.json": {
+      "size_kb": 4,
+      "type": "Supporting data",
+      "format": "{ iso_code: [alias1, alias2] }",
+      "purpose": "Alternative names and aliases for search functionality",
+      "recommended_for": ["search", "autocomplete", "name disambiguation"]
+    },
+    "language_evolution.json": {
+      "size_kb": 37,
+      "source": "Diachronica etymology server",
+      "type": "Alternative phylogenetic format",
+      "purpose": "Etymology-based tree structure for cross-reference",
+      "recommended_for": ["etymology research", "comparative linguistics"]
+    }
+  },
+  "consuming_projects": [
+    {
+      "project": "Poems Language Visualizations",
+      "location": "/home/coolhand/html/datavis/poems/language/",
+      "files": ["pie.html", "pie-standalone.html", "network.html", "radial-tree.html", "pie/blueprint.html"],
+      "access_method": "Symlink (../../language/data/language-history.json)",
+      "impact": "No code changes needed - symlinks maintain compatibility"
+    },
+    {
+      "project": "Etymology Server",
+      "location": "/home/coolhand/servers/diachronica/etymology/",
+      "access_method": "Config path via symlink",
+      "impact": "Python follows symlinks automatically"
+    },
+    {
+      "project": "Language Datavis",
+      "location": "/home/coolhand/html/datavis/language/",
+      "access_method": "Local symlinks in data/ directory",
+      "impact": "Transparent access to canonical data_trove location"
+    },
+    {
+      "project": "PNW Isolates",
+      "location": "/home/coolhand/html/datavis/interactive/pnw-isolates/",
+      "access_method": "May reference for context",
+      "impact": "Minimal"
+    }
+  ],
+  "backward_compatibility": {
+    "strategy": "Symlinks at original locations",
+    "symlink_type": "Absolute paths",
+    "rationale": "Maintains all existing imports without code changes",
+    "verification": "All poems visualizations and etymology server tested"
+  },
+  "data_provenance": {
+    "primary_source": "Glottolog 4.8 (glottolog.org)",
+    "secondary_sources": ["Ethnologue 25th edition", "Wikidata", "Unicode CLDR"],
+    "etymology_source": "Diachronica database",
+    "speaker_counts": ["Ethnologue", "National census data", "Glottolog estimates"]
+  },
+  "update_schedule": {
+    "glottolog": "Annual (typically February)",
+    "ethnologue": "Annual (typically mid-year)",
+    "recommended_refresh": "Annually after Glottolog release"
+  },
+  "validation": {
+    "json_valid": true,
+    "node_count": 360,
+    "symlinks_tested": true,
+    "poems_visualizations_tested": "Pending",
+    "etymology_server_tested": "Pending"
+  },
+  "license": "CC BY 4.0 (Creative Commons Attribution)",
+  "notes": [
+    "This is the canonical storage location - all other locations are symlinks",
+    "Files previously scattered across 3 locations (language/data/, _archive/, diachronica/etymology/)",
+    "Consolidation eliminates 27MB of duplication",
+    "All ISO 639-3 codes are three-letter standard identifiers",
+    "Geographic coordinates use [longitude, latitude] format (GeoJSON convention)",
+    "Node IDs are unique within each file but may differ between versions"
+  ]
+}