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profile-graph

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Entity-profile graph edges + embedding similarity for a research corpus — profile→REF edges (first-class adjacency, reconciled against the citation graph) and text-embedding researcher similarity + collaboration link-prediction. Completes the

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Profile Graph: Edges & Similarity

The graph-integration + embedding pieces of the entity-profile analytics family (centrality, communities, and temporal trajectories ship in profile-metrics, profile-communities, profile-temporal).

profile→REF edges (no extra deps)

aiwg corpus profile-edges
aiwg corpus profile-edges --out reports/profile-edges.txt

Builds the profile→REF edge graph from each PROF-{P,O,G,F,S}'s corpus-refs, as first-class adjacency (byProfile + reverse byRef), reconciled against the citation graph — edges to REFs with no analysis doc are reported as dangling, not kept. Surfaces top profiles by linked-REF count and top REFs by linked-profile count (cross-cutting influence). Preferred over the section9 synthetic documentation/profiles/edges/ files.

Researcher similarity + collaboration prediction (opt-in embeddings)

# Nearest researchers to a profile
aiwg corpus profile-similar --entity PROF-P-gonzalez-joseph --top 10

# Collaboration link-prediction: similar people who have NOT co-authored
aiwg corpus profile-similar --predict-collabs --threshold 0.85

Embeds each person profile from its name + the titles of its corpus-refs (text-embedding via the #1493 backend — opt-in @xenova/transformers), then:

  • --entity ranks the nearest researchers by cosine similarity.
  • --predict-collabs surfaces high-similarity pairs that share no corpus-refs (corpus-refs overlap is the co-authorship proxy) — candidate future collaborators. Lower --threshold to surface more (people who already collaborate are correctly excluded, so a high threshold can legitimately return zero).

This is the #1501 "embeddings" slot, implemented via text embeddings rather than a heavy node2vec/graph-embedding stack (operator decision) — one embedding backend across the codebase, composing with aiwg index --semantic (#1493). Without the optional dep it prints an install hint and exits.

Triggers

  • "profile to REF edges" / "profile edge graph"
  • "similar researchers" / "researcher similarity"
  • "predict collaborations" / "collaboration link prediction"

Notes

  • TS-native: src/artifacts/corpus-tools/profile-edges.ts (port of build_profile_edges.py) + profile-embed.ts (the graph_embeddings.py slot via text embeddings).
  • node2vec/structural graph embeddings remain a possible future enhancement; the text-embedding approach here covers the researcher-similarity + link-prediction use cases without the heavy ML stack.