Triple
T1608552
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Charles River Esplanade |
E34562
|
entity |
| Predicate | formerMaintainer |
P25617
|
FINISHED |
| Object | Metropolitan District Commission |
E181530
|
NE FINISHED |
How this triple was built (3 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Metropolitan District Commission | Statement: [Charles River Esplanade, formerMaintainer, Metropolitan District Commission]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metropolitan District Commission Context triple: [Charles River Esplanade, formerMaintainer, Metropolitan District Commission]
-
A.
Metropolitan District Commission
chosen
The Metropolitan District Commission was a Massachusetts state agency responsible for managing parks, reservations, and water resources in the Greater Boston area before its functions were absorbed by successor agencies.
-
B.
Metropolitan Council
The Metropolitan Council is a regional governmental agency that plans and coordinates transit, housing, wastewater, and land use services for the Minneapolis–Saint Paul metropolitan area in Minnesota.
-
C.
Metropolitan Housing and Redevelopment Authority
The Metropolitan Housing and Redevelopment Authority is a regional public agency that develops, manages, and supports affordable housing and community redevelopment initiatives in the Minneapolis–Saint Paul metropolitan area.
-
D.
Metropolitan Transportation Commission
The Metropolitan Transportation Commission is the regional planning, financing, and coordinating agency for transportation in the nine-county San Francisco Bay Area.
-
E.
Corporation of London
The Corporation of London, formally known as the City of London Corporation, is the historic municipal governing body responsible for administering the City of London financial district and its local services.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: formerMaintainer Context triple: [Charles River Esplanade, formerMaintainer, Metropolitan District Commission]
-
A.
previousMaintainer
chosen
Indicates that one entity formerly held responsibility for maintaining another entity before the current maintainer.
-
B.
formerMemberName
Indicates that the referenced name belongs to an entity that was previously a member of a particular group, organization, or body but is no longer one.
-
C.
formerName
Indicates that an entity was previously known by a different name in the past.
-
D.
formerDeveloper
Indicates that an entity previously worked as a developer for another entity but no longer holds that role.
-
E.
originallyMaintainedBy
Indicates that an entity was first managed, supported, or kept in working order by a particular agent or organization, regardless of who maintains it later.
- F. None of above.
Provenance (4 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69a885fea6a481909fe83ba6441f1774 |
completed | March 4, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69a93fa6926081908bc78d15c0be3185 |
completed | March 5, 2026, 8:32 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad51c2f038819093690bff46056939 |
completed | March 8, 2026, 10:38 a.m. |
| PD | Predicate disambiguation | batch_69a907c35f848190a2428c52e81d013e |
completed | March 5, 2026, 4:34 a.m. |
Created at: March 4, 2026, 7:28 p.m.