Triple
T22831418
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA bus route 10 |
E565809
|
entity |
| Predicate | governingBody |
P46
|
FINISHED |
| Object | Massachusetts Bay Transportation Authority Board of Directors |
—
|
NE NERFINISHED |
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: Massachusetts Bay Transportation Authority Board of Directors | Statement: [MBTA bus route 10, governingBody, Massachusetts Bay Transportation Authority Board of Directors]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Massachusetts Bay Transportation Authority Board of Directors Context triple: [MBTA bus route 10, governingBody, Massachusetts Bay Transportation Authority Board of Directors]
-
A.
MBTA Fiscal and Management Control Board
The MBTA Fiscal and Management Control Board was a special oversight body created by Massachusetts to stabilize, reform, and improve the finances and operations of the Massachusetts Bay Transportation Authority.
-
B.
Massachusetts Bay Transportation Trust Fund
The Massachusetts Bay Transportation Trust Fund is a dedicated financial resource used to support and sustain public transportation services in Massachusetts.
-
C.
Montachusett Regional Transit Authority
Montachusett Regional Transit Authority is a public transportation agency serving the Montachusett region of north-central Massachusetts with bus and paratransit services.
-
D.
Capital Metropolitan Transportation Authority Board of Directors
The Capital Metropolitan Transportation Authority Board of Directors is the policy-making and oversight body that directs and supervises Austin’s Capital Metro public transit agency.
-
E.
Merrimack Valley Regional Transit Authority
Merrimack Valley Regional Transit Authority is a public transportation agency that operates local bus and paratransit services in the Merrimack Valley region of northeastern Massachusetts.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Massachusetts Bay Transportation Authority Board of Directors Target entity description: The Massachusetts Bay Transportation Authority Board of Directors is the governing body that oversees policy, budgeting, and strategic decisions for Boston’s regional public transit system.
-
A.
MBTA Fiscal and Management Control Board
The MBTA Fiscal and Management Control Board was a special oversight body created by Massachusetts to stabilize, reform, and improve the finances and operations of the Massachusetts Bay Transportation Authority.
-
B.
Massachusetts Bay Transportation Trust Fund
The Massachusetts Bay Transportation Trust Fund is a dedicated financial resource used to support and sustain public transportation services in Massachusetts.
-
C.
Montachusett Regional Transit Authority
Montachusett Regional Transit Authority is a public transportation agency serving the Montachusett region of north-central Massachusetts with bus and paratransit services.
-
D.
Capital Metropolitan Transportation Authority Board of Directors
The Capital Metropolitan Transportation Authority Board of Directors is the policy-making and oversight body that directs and supervises Austin’s Capital Metro public transit agency.
-
E.
Merrimack Valley Regional Transit Authority
Merrimack Valley Regional Transit Authority is a public transportation agency that operates local bus and paratransit services in the Merrimack Valley region of northeastern Massachusetts.
- F. None of above. chosen
Provenance (2 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_69e24585ab1c81909b2b5065d15805d5 |
completed | April 17, 2026, 2:36 p.m. |
| NER | Named-entity recognition | batch_69f17e2bcad8819091f237fd2273a20c |
completed | April 29, 2026, 3:42 a.m. |
Created at: April 17, 2026, 3:34 p.m.