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Fabio 1beeaab2db Graph: national county↔district↔legislator authority layer

The first edges in the repo. Every US county now links to the districts it
sits in, weighted by area overlap, and every legislator links to the district
they represent — county → district → representative, traversable.

Data (PostGIS, no Atlas dependency — computed directly from geometry):
- data/county_district_edges.jsonl — 16,328 weighted edges. area_weight =
  ST_Area(ST_Intersection(county, district))/ST_Area(county) over ST_MakeValid
  Census TIGER 2024 geometries, overlaps <0.5% dropped. Uses area-intersection,
  NOT centroid-in-polygon, so urban districts that carve through counties
  (e.g. GA CD-5 / Atlanta across Clayton+DeKalb+Fulton) are captured, not
  silently dropped. Per-county weights sum to ~1.0 per district type.

build.py:
- ~6,896 new district nodes: 435 CD (ACS demographics where available; sparse
  for the 8 states missing from acs_cd) + 4,927 state-house + 1,897 state-senate
  (geometry-only). GEOID/number-keyed, stable.
- county index.md gains a `districts:` block (frontmatter) + a ## Districts
  section (body links, so link-integrity checks them).
- legislators + US House members gain `represents:` pointing at their district
  node; edge stored once on the person, inverse left to the view.
- schemas/jurisdiction: classification enum + chamber/districts fields.

Honest gaps (logged, not hidden): ID + NH have no state-house geometry, so
their house districts get nodes (represents resolves) but no county edges;
CD nodes for acs_cd-missing states are demographically sparse.

Deterministic (byte-identical rebuild); validate.py passes 26,617 records,
link-integrity clean (every district/represents link resolves).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

2026-07-04 22:28:08 -04:00

1.4 KiB

Raw Blame History

type, title, description, role, party, level, branch, state, district, represents, tenure, election, ids, sources, confidence, tags, timestamp

type

title

description

role

party

level

branch

state

district

represents

tenure

election

ids

sources

confidence

tags

timestamp

Person

Jake Oliveira

MA Senate District Hampden, Hampshire and Worcester — MA State Senate District Hampden, Hampshire and Worcester

MA Senate District Hampden, Hampshire and Worcester

state

legislative

MA State Senate District Hampden, Hampshire and Worcester

us/states/ma/districts/senate/hampden-hampshire-and-worcester

start	current
2023-01-04	true

term_length	term_limit
2	varies

person	office	tenure	jurisdiction
ac110b2d-988a-4e2b-8b14-aeac3ba10410	109dc60b-efad-4093-aa0d-49360c042ccf	28faab22-8711-444f-b929-cb1e5bbf6ea9	2b1164ee-90ea-4789-9d0f-290c785bfac5

field	source
tenure	OpenStates YAML via GitHub 2026-06-20

field	source
jurisdiction	Geometry not found in SLD layer

official

officeholder

state

legislative

2026-07-04

Jake Oliveira

Current MA Senate District Hampden, Hampshire and Worcester (MA State Senate District Hampden, Hampshire and Worcester).

Represents MA State Senate District Hampden, Hampshire and Worcester.

Sources

tenure: OpenStates YAML via GitHub 2026-06-20
jurisdiction: Geometry not found in SLD layer

Generated from the Atlas officeholders v3 export (2026-07-04).

1.4 KiB Raw Blame History

Jake Oliveira

Sources

1.4 KiB

Raw Blame History