Triple
T9668416
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Highland branch |
E233763
|
entity |
| Predicate | operatorAfterConversion |
P71584
|
FINISHED |
| Object | Massachusetts Bay Transportation Authority |
E2866
|
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: Massachusetts Bay Transportation Authority | Statement: [Highland branch, operatorAfterConversion, Massachusetts Bay Transportation Authority]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Massachusetts Bay Transportation Authority Context triple: [Highland branch, operatorAfterConversion, Massachusetts Bay Transportation Authority]
-
A.
MBTA
chosen
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.
-
B.
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.
-
C.
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.
-
D.
MetroWest Regional Transit Authority
MetroWest Regional Transit Authority is a public transportation agency that operates local bus and paratransit services in the MetroWest region of Massachusetts.
-
E.
Cape Cod Regional Transit Authority
The Cape Cod Regional Transit Authority is a public transportation agency that operates bus and paratransit services throughout Cape Cod, Massachusetts.
- 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: operatorAfterConversion Context triple: [Highland branch, operatorAfterConversion, Massachusetts Bay Transportation Authority]
-
A.
functionAfterConversion
Indicates that one function or behavior occurs as a result of, or is valid only after, a specified conversion has taken place.
-
B.
commandedByAfterConversion
chosen
Indicates that an entity comes under the command or authority of another entity as a result of a conversion or transformation event.
-
C.
afterConversionKnownAs
Indicates that an entity is referred to by a new name or identifier after undergoing a conversion or transformation.
-
D.
locationAfterConversion
Indicates the place or position an entity occupies after it has been transformed, converted, or changed from one state or form to another.
-
E.
roleAfterConversion
Indicates the role or position an entity holds after undergoing a conversion, transition, or change from a previous state or role.
- 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_69ca848d3b6c8190ae98ea554dea58df |
completed | March 30, 2026, 2:11 p.m. |
| NER | Named-entity recognition | batch_69cd9c3c06e4819080c1b8e66faa482f |
completed | April 1, 2026, 10:29 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d18a208798819088db055e44d288e3 |
completed | April 4, 2026, 10:01 p.m. |
| PD | Predicate disambiguation | batch_69ccd5b3239c8190b3ae3b9bd121e4bd |
completed | April 1, 2026, 8:22 a.m. |
Created at: March 30, 2026, 8:15 p.m.