feat: search verified multilingual organization labels

backend/app/global_ask_retrieval.py

@@ -68,10 +68,12 @@ async def semantic_candidate_post_ids(
 
     Project mentions, responsibility/affiliation evidence, Keyman names, and
     organization/team catalogs use one ``ILIKE`` predicate per indexed column.
-    This preserves multilingual substring lookup without wrapping indexed fields
-    in an expression that forces a sequential scan. Ontology lookup codes are
-    applied only to graph lookup-code columns. The function never returns source
-    text and nomination never grants access.
+    Search-corroborated raw/canonical organization-name pairs additionally
+    nominate direct organization mentions and affiliated people's posts; pending
+    or uncorroborated aliases do not. This preserves multilingual substring lookup
+    without wrapping indexed fields in an expression that forces a sequential
+    scan. Ontology lookup codes are applied only to graph lookup-code columns.
+    The function never returns source text and nomination never grants access.
     """
 
     if maximum_candidates <= 0:
@@ -84,6 +86,15 @@ async def semantic_candidate_post_ids(
         """
         with query_terms as (
             select unnest($1::text[]) as term
+        ), verified_organization as (
+            select distinct entity.corporate_entity_id
+              from organization_name_resolution resolution
+              join corporate_entity entity
+                on entity.entity_name = resolution.resolved_organization_name
+              join query_terms term
+                on resolution.raw_organization_name ilike '%' || term.term || '%'
+                or resolution.resolved_organization_name ilike '%' || term.term || '%'
+             where resolution.verification_status_code = 'verify_corroborated'
         ), candidate_post as (
             select mention.post_id, post.created_at
               from post_project_mention mention
@@ -126,6 +137,20 @@ async def semantic_candidate_post_ids(
                      where entity.entity_name ilike '%' || term.term || '%'
                 )
             union all
+            select mention.post_id, post.created_at
+              from post_organization_mention mention
+              join verified_organization organization
+                on organization.corporate_entity_id = mention.corporate_entity_id
+              join source_post post on post.post_id = mention.post_id
+            union all
+            select mention.post_id, post.created_at
+              from post_person_mention mention
+              join person_affiliation affiliation
+                on affiliation.person_id = mention.person_id
+              join verified_organization organization
+                on organization.corporate_entity_id = affiliation.affiliated_corporate_entity_id
+              join source_post post on post.post_id = mention.post_id
+            union all
             select mention.post_id, post.created_at
               from post_team_mention mention
               join cataloged_team team on team.team_id = mention.team_id

docker/postgres-init/migrate.sh

@@ -18,7 +18,7 @@ for migration in /opt/lineageweave/migrations/*.sql; do
     migration_name=${migration##*/}
     case "$migration_name" in
         0012_*|0013_*|0014_*|0015_*|0016_*|0017_*|0018_*|0019_*|0020_*|0021_*|0022_*|0023_*|0024_*|0025_*|0026_*|0027_*|0028_*|0029_*|0030_*|0031_*|0032_*|0033_*|0034_*|0035_*|0036_*|0037_*|0038_*|0039_*|0040_*|0041_*|0042_*|0043_*|0044_*|0045_*|0046_*|0047_*|0048_*|0049_*|0050_*) ;;
-        0051_*|0052_*|0053_*|0054_*) ;;
+        0051_*|0052_*|0053_*|0054_*|0055_*) ;;
         0060_*|0100_*|0101_*|0102_*) ;;
         *) continue ;;
     esac

docs/adr/0008-organization-abbreviation-resolution.md

@@ -56,6 +56,16 @@ different, complementary standard from ADR 0006/0007's PROV-O/ORG
 classes: SKOS here labels the *string identity* relationship between
 two names for the same thing, not the *type* of the named actor.
 
+Global Ask treats only search-corroborated rows as a multilingual label
+projection. A raw abbreviation, local-language name, or translated name that
+has actually appeared in a post context can therefore nominate the same posts
+as its canonical corporate-entity name. The projection joins the corroborated
+`resolved_organization_name` back to `corporate_entity`; pending and
+uncorroborated rows remain invisible. It does not generate translations or
+infer aliases at query time. This preserves the source-observed label and the
+SKOS preferred/alternative-label distinction while applying the document-level
+context required by multilingual entity linking (De Cao et al., 2022).
+
 Only a search-corroborated resolution is ever substituted in for
 downstream entity matching (`resolve_corporate_entity`) -- an
 LLM-proposed name with no corroboration, or with verification itself
@@ -111,6 +121,10 @@ canonical form too rather than reintroducing the raw abbreviation.
 - Context-sensitive caching follows entity-linking evidence that ambiguous
   mentions must be disambiguated with document-level semantic context, not a
   name-only lookup (Rama-Maneiro, Vidal, & Lama, 2020).
+- Search can cross language and abbreviation boundaries only after the existing
+  contextual-orchestrator plus SearXNG evidence path corroborates that label
+  pair. An unseen or unverified translation remains unavailable rather than
+  becoming a guessed catalog alias.
 
 ## Related
 
@@ -126,6 +140,8 @@ Miles, A., & Bechhofer, S. (Eds.). (2009). *SKOS simple knowledge organization s
 
 Bhattacharya, I., & Getoor, L. (2007). Collective entity resolution in relational data. *ACM Transactions on Knowledge Discovery from Data*, 1(1), Article 5. https://doi.org/10.1145/1217299.1217304
 
+De Cao, N., Wu, L., Popat, K., Artetxe, M., Goyal, N., Plekhanov, M., Zettlemoyer, L., & Riedel, S. (2022). Multilingual autoregressive entity linking. *Transactions of the Association for Computational Linguistics, 10*, 274–290. https://doi.org/10.1162/tacl_a_00460
+
 Rama-Maneiro, E., Vidal, J. C., & Lama, M. (2020). Collective disambiguation in entity linking based on topic coherence in semantic graphs. *Knowledge-Based Systems, 199*, Article 105967. https://doi.org/10.1016/j.knosys.2020.105967
 
 Thorne, J., Vlachos, A., Christodoulopoulos, C., & Mittal, A. (2018). FEVER: A large-scale dataset for fact extraction and VERification. In *Proceedings of the 2018 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies* (pp. 809–819). Association for Computational Linguistics. https://doi.org/10.18653/v1/N18-1074

docs/doctoring/GLOBAL_ASK_SEMANTIC_SEARCH_REFERENCES.md

@@ -9,6 +9,15 @@ column has its own `pg_trgm` GIN index, and the retrieval SQL keeps one direct
 `concat_ws(...)` or another expression, because such a query would not match the
 column indexes declared by migration 0054.
 
+Organization names cross abbreviation and language boundaries only through
+corroborated `organization_name_resolution` rows. The source-observed raw name
+acts as a SKOS-style alternative label for the canonical corporate-entity name;
+pending or uncorroborated mappings never nominate a post. This reuses the
+existing contextual-orchestrator plus SearXNG evidence path and document context
+rather than generating speculative translations at query time. Multilingual
+entity-linking evidence supports using document context to connect surface forms
+across languages (De Cao et al., 2022).
+
 PostgreSQL documents that the `pg_trgm` GiST and GIN operator classes support
 indexed `LIKE` and `ILIKE` searches even when a pattern is not left-anchored.
 It also notes that patterns with no extractable trigrams can degenerate to a
@@ -20,11 +29,22 @@ Evidence in this repository:
 
 - `backend/app/global_ask_retrieval.py`
 - `migrations/0054_global_ask_semantic_search.sql`
+- `migrations/0055_verified_organization_label_search.sql`
 - `migrations/rollback/0054_global_ask_semantic_search.sql`
+- `migrations/rollback/0055_verified_organization_label_search.sql`
 - `tests/test_global_ask_retrieval.py`
 - `tests/test_global_ask_semantic_indexes.py`
 
-## APA 7th reference
+## APA 7th references
+
+De Cao, N., Wu, L., Popat, K., Artetxe, M., Goyal, N., Plekhanov, M.,
+Zettlemoyer, L., & Riedel, S. (2022). Multilingual autoregressive entity
+linking. *Transactions of the Association for Computational Linguistics, 10*,
+274–290. https://doi.org/10.1162/tacl_a_00460
+
+Miles, A., & Bechhofer, S. (Eds.). (2009). *SKOS simple knowledge organization
+system reference*. World Wide Web Consortium.
+https://www.w3.org/TR/skos-reference/
 
 PostgreSQL Global Development Group. (2026). *pg_trgm—Support for similarity of
 text using trigram matching* (PostgreSQL 17 documentation, Section F.33).

migrations/0055_verified_organization_label_search.sql

@@ -0,0 +1,13 @@
+begin;
+
+-- ADR 0008: only search-corroborated raw/canonical pairs act as Global Ask
+-- aliases. These column indexes preserve multilingual contains-search without
+-- copying context-scoped labels into a second table.
+create extension if not exists pg_trgm;
+
+create index if not exists organization_name_resolution_raw_search_idx
+    on organization_name_resolution using gin (raw_organization_name gin_trgm_ops);
+create index if not exists organization_name_resolution_resolved_search_idx
+    on organization_name_resolution using gin (resolved_organization_name gin_trgm_ops);
+
+commit;

migrations/rollback/0055_verified_organization_label_search.sql

@@ -0,0 +1,7 @@
+begin;
+
+drop index if exists organization_name_resolution_resolved_search_idx;
+drop index if exists organization_name_resolution_raw_search_idx;
+
+-- pg_trgm is shared with the broader Global Ask search slice.
+commit;

tests/test_global_ask_retrieval.py

@@ -127,6 +127,11 @@ async def test_semantic_candidate_post_ids_is_bounded_deduplicated_and_indexable
     assert "post_summary_role" in query
     assert "post_person_mention" in query
     assert "post_organization_mention" in query
+    assert "organization_name_resolution" in query
+    assert "resolution.verification_status_code = 'verify_corroborated'" in query
+    assert "resolution.raw_organization_name ilike" in query
+    assert "resolution.resolved_organization_name ilike" in query
+    assert "person_affiliation" in query
     assert "post_team_mention" in query
     assert "knowledge_graph_edge_evidence" in query
 

tests/test_global_ask_semantic_indexes.py

@@ -6,6 +6,8 @@
 ROOT = Path(__file__).resolve().parents[1]
 FORWARD = ROOT / "migrations/0054_global_ask_semantic_search.sql"
 ROLLBACK = ROOT / "migrations/rollback/0054_global_ask_semantic_search.sql"
+ORGANIZATION_FORWARD = ROOT / "migrations/0055_verified_organization_label_search.sql"
+ORGANIZATION_ROLLBACK = ROOT / "migrations/rollback/0055_verified_organization_label_search.sql"
 
 
 EXPECTED_INDEXES = (
@@ -44,3 +46,17 @@ def test_migration_runner_includes_the_semantic_search_slice() -> None:
     """Long-lived Compose databases apply the same index contract as fresh installs."""
     migrate = (ROOT / "docker/postgres-init/migrate.sh").read_text(encoding="utf-8")
     assert "0054_*" in migrate
+
+
+def test_verified_organization_label_indexes_have_a_symmetric_rollback() -> None:
+    """The alias-search slice can be removed without dropping shared pg_trgm."""
+    forward = ORGANIZATION_FORWARD.read_text(encoding="utf-8").casefold()
+    rollback = ORGANIZATION_ROLLBACK.read_text(encoding="utf-8").casefold()
+
+    for index_name in (
+        "organization_name_resolution_raw_search_idx",
+        "organization_name_resolution_resolved_search_idx",
+    ):
+        assert f"create index if not exists {index_name}" in forward
+        assert f"drop index if exists {index_name}" in rollback
+    assert "drop extension" not in rollback

tests/test_migration_replay.py

@@ -2,6 +2,7 @@
 
 
 def test_shared_metric_migration_does_not_narrow_later_report_dimensions() -> None:
+    """The shared metric migration preserves later team and project dimensions."""
     sql = (
         Path(__file__).resolve().parents[1]
         / "migrations"
@@ -48,6 +49,7 @@ def test_migrate_sh_replays_context_scoped_name_cache_migration() -> None:
 
 
 def test_migrate_sh_replays_global_ask_context_migration() -> None:
+    """Existing volumes must receive the Global Ask context migration."""
     script = (
         Path(__file__).resolve().parents[1]
         / "docker"
@@ -56,3 +58,15 @@ def test_migrate_sh_replays_global_ask_context_migration() -> None:
     ).read_text(encoding="utf-8")
 
     assert "0052_*" in script
+
+
+def test_migrate_sh_replays_verified_organization_label_search_migration() -> None:
+    """Existing volumes must receive multilingual organization search indexes."""
+    script = (
+        Path(__file__).resolve().parents[1]
+        / "docker"
+        / "postgres-init"
+        / "migrate.sh"
+    ).read_text(encoding="utf-8")
+
+    assert "0055_*" in script