Triple
T21257775
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA rapid transit zone |
E523913
|
entity |
| Predicate | appliesTo |
P1129
|
FINISHED |
| Object | MBTA rapid transit network |
—
|
NE NERFINISHED |
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 rapid transit network | Statement: [MBTA rapid transit zone, appliesTo, MBTA rapid transit network]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MBTA rapid transit network Context triple: [MBTA rapid transit zone, appliesTo, MBTA rapid transit network]
-
A.
MBTA Commuter Rail network
The MBTA Commuter Rail network is a regional passenger rail system serving Greater Boston and surrounding communities in Massachusetts and parts of Rhode Island.
-
B.
MBTA rapid transit zone
chosen
The MBTA rapid transit zone is the fare and service area designation used by Boston’s subway and light rail system to organize routes, stops, and pricing within the Massachusetts Bay Transportation Authority network.
-
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 park-and-ride network
The MBTA park-and-ride network is a system of parking facilities at transit stations that allows commuters to park their vehicles and transfer to Boston-area public transportation services.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69e0b5146c108190adc9adb73e90abff |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e735e2f1d48190b566ab4d736fdbc4 |
completed | April 21, 2026, 8:31 a.m. |
Created at: April 16, 2026, 3:58 p.m.