Triple
T16935527
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Zone 1 |
E410816
|
entity |
| Predicate | governingBody |
P46
|
FINISHED |
| Object | MBTA Fiscal and Management Control Board (historically) |
E659690
|
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: MBTA Fiscal and Management Control Board (historically) | Statement: [MBTA Zone 1, governingBody, MBTA Fiscal and Management Control Board (historically)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MBTA Fiscal and Management Control Board (historically) Context triple: [MBTA Zone 1, governingBody, MBTA Fiscal and Management Control Board (historically)]
-
A.
MBTA Fiscal and Management Control Board
chosen
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.
MBTA Office for Transportation Access
The MBTA Office for Transportation Access is the department within Boston’s transit authority responsible for planning, coordinating, and ensuring accessible transit services for riders with disabilities and others needing accommodation.
-
C.
MBTA
The MBTA (Massachusetts Bay Transportation Authority) is the public transit agency that operates subway, bus, commuter rail, and ferry services in the Greater Boston area.
-
D.
MBTA
MBTA is a landmark U.S. federal law enacted in 1918 that protects migratory bird species by prohibiting their unauthorized capture, killing, or trade.
-
E.
MBTA Commuter Rail fare system
The MBTA Commuter Rail fare system is the structured zone-based pricing and ticketing framework used to determine and collect passenger fares across Massachusetts Bay Transportation Authority commuter rail lines.
- 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_69d886c886688190967be07322597ac9 |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3cf2a05f48190a0a8ac86985f4000 |
completed | April 18, 2026, 6:36 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00cfe2d4f48190b965b6c0a3cc0125 |
completed | May 10, 2026, 6:35 p.m. |
Created at: April 10, 2026, 5:30 a.m.