source-types

Research

The canonical, extensible source-type registry for a research corpus — paper, preprint, blog, repo, book, chapter, standard, doc, discussion, encyclopedia, expert-material, video, audio, podcast, lecture, internal-review. Replaces the drifting type / source_type / "Source Type" vocabularies with one registry that declares per-type template, required sections, citation format, acquisition method, storage, quality rules, and radar cadence. Surfaced via `aiwg corpus source-types`; consumed by the by-source-type index view, per-type induction audit, and acquisition dispatch.

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Source-Type Registry

A research corpus outgrows "papers" — it catalogs preprints, code repos, blog posts, lab announcements, vendor docs, books, RFCs, discussions, and more. This skill is the canonical, extensible source-type registry that makes source type a first-class, config-driven dimension.

The problem it solves

Corpora accumulate three drifting type vocabularies:

Surface	Example values	Drift
frontmatter `type:`	`book`, `reference`, `gap-note`, `internal-research`	mixes source type with doc role
frontmatter `source_type:`	`conference-paper` / `conference_paper`, `book_chapter`	hyphen vs underscore
body "Source Type"	`paper`, `maintainer-doc`, `discussion`	a third overlapping enum

The registry folds all three (plus a venue-classification fallback) into one canonical source type per artifact.

How to use

# List the registry — canonical types + per-type rules
aiwg corpus source-types
aiwg corpus source-types --json

# The by-source-type index view groups the corpus by normalized type
aiwg index build --graph by-source-type     # → indices/by-source-type.md

What each type declares

Per canonical type: template, required-sections, citation-format, acquisition, storage, quality-rules, default-radar-cadence. Example:

type	template	citation	acquisition	storage	cadence
paper	reference-academic	doi-bibtex	pdf-download	sources/pdfs/full	quarterly
preprint	reference-academic	arxiv-id	pdf-download	sources/pdfs/full	quarterly
blog	reference-web	url-venue-retrieved	web-snapshot	sources/web	biannual
repo	reference-repo	repo-url-commit	git-clone	sources/repos	on-demand
standard	reference-web	standard-id	web-snapshot	sources/web	annual
video	reference-media	timestamp-transcript	media-curator	media/video	on-demand
podcast	reference-media	timestamp-transcript	media-curator	media/audio	on-demand

(16 canonical types ship by default; aiwg corpus source-types lists them all.)

Adding a new source type is config, not code

Create documentation/source-types.yaml in your corpus to replace the default registry (include the defaults you keep). Adding a podcast, dataset, or talk type is a registry entry:

version: 1
types:
  podcast:
    description: Podcast episode.
    aliases: [podcast, episode]
    template: reference-media
    required_sections: [Citation, Media Profile, Summary, Key Timestamps]
    citation_format: timestamp-transcript
    acquisition: media-curator
    storage: media/audio
    quality_rules: interview-hedged-grade
    default_radar_cadence: on-demand
venue_fallback: { … }
meta_roles: [redirect, stub, gap-note]

Normalization rules

source_type: → type: → body "Source Type" are checked in that order; the first that matches a canonical type or alias wins.
Doc-role values (redirect, stub, gap-note, merged, index) map to the meta pseudo-type (excluded from source-type analytics).
If no explicit type matches, the classified venue falls back to a type (academic venues → paper, arXiv → preprint, GitHub → repo, RFC → standard, lab/vendor research posts → blog, Wikipedia → encyclopedia).
Otherwise → other.

Validated on a real 1,273-ref corpus: the registry normalizes ~93% (paper, preprint, blog, repo, standard, book, chapter, encyclopedia, internal-review), with meta excluding redirects/stubs and other capturing genuinely untyped refs.

Consumers

The registry is the foundation other subsystems read:

by-source-type index view (this framework) — groups refs by normalized type.
Per-type induction audit (induction-audit / #1504) — required-section + depth checks vary by type (don't flag a blog for missing Ablation Studies).
Acquisition dispatch (research-acquire / #1507) — PDF download vs web snapshot vs git clone by type.
Templates (#1497) — per-type reference templates selected by source type.
Quality/GRADE — non-peer-reviewed types carry different hedging expectations.

Triggers

"source type registry"
"normalize source types"
"what source types does the corpus have"
"add a new source type"
"by source type"

Notes

Authoritative runtime default: src/artifacts/corpus-tools/source-types.ts (DEFAULT_SOURCE_TYPES); human-readable + override form: agentic/code/frameworks/research-complete/config/source-types.yaml. A drift test keeps them in sync.
The venue fallback reuses the existing VENUE_PATTERNS classifier (src/artifacts/corpus-views/taxonomies.ts).