Triple
T1491821
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metropolitan Council |
E29595
|
entity |
| Predicate | hasPart |
P35
|
FINISHED |
| Object | Metropolitan Transit Police Department |
E171286
|
NE FINISHED |
How this triple was built (2 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 Transit Police Department | Statement: [Metropolitan Council, hasPart, Metropolitan Transit Police Department]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metropolitan Transit Police Department Context triple: [Metropolitan Council, hasPart, Metropolitan Transit Police Department]
-
A.
Metropolitan Transit Police
chosen
The Metropolitan Transit Police is a specialized law enforcement agency responsible for ensuring safety and security across the public transit system within the Metropolitan Council’s jurisdiction.
-
B.
Transit Police Division
The Transit Police Division is a specialized unit of the Portland Police Bureau responsible for law enforcement and public safety on the Portland metropolitan area's transit system.
-
C.
Metro Transit Police Department
The Metro Transit Police Department is the law enforcement agency responsible for policing the Washington Metropolitan Area Transit Authority’s rail and bus system across the D.C. metropolitan region.
-
D.
Metropolitan Transit Authority
The Metropolitan Transit Authority was a former public agency that operated and managed mass transit services in the Boston metropolitan area before being succeeded by the MBTA.
-
E.
Metropolitan Police Department of the District of Columbia
The Metropolitan Police Department of the District of Columbia is the primary law enforcement agency responsible for policing Washington, D.C., including its neighborhoods, major federal landmarks, and large-scale public events.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69a498da82e08190ba833330d05f380f |
completed | March 1, 2026, 7:51 p.m. |
| NER | Named-entity recognition | batch_69a4c6c3ace4819081bc2b86ee2486b6 |
completed | March 1, 2026, 11:07 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ad232f4b80819095a608816d4d2a34 |
completed | March 8, 2026, 7:20 a.m. |
Created at: March 1, 2026, 8:12 p.m.