Triple
T20240474
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Hastings station |
E498273
|
entity |
| Predicate | primaryCityServed |
P82
|
FINISHED |
| Object | Boston (via MBTA Commuter Rail) |
—
|
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: Boston (via MBTA Commuter Rail) | Statement: [Hastings station, primaryCityServed, Boston (via MBTA Commuter Rail)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Boston (via MBTA Commuter Rail) Context triple: [Hastings station, primaryCityServed, Boston (via MBTA Commuter Rail)]
-
A.
MBTA Commuter Rail passes
MBTA Commuter Rail passes are time-based tickets that allow unlimited travel within specified fare zones on the Massachusetts Bay Transportation Authority’s commuter rail network.
-
B.
MBTA Commuter Rail (Old Colony Lines at JFK/UMass)
MBTA Commuter Rail (Old Colony Lines at JFK/UMass) is a set of commuter rail services connecting Boston’s JFK/UMass station to southeastern Massachusetts communities along the restored Old Colony rail corridors.
-
C.
MBTA commuter rail at Back Bay
MBTA commuter rail at Back Bay is a major Boston rail station where regional commuter trains connect with subway services, including the Green Line’s E Branch.
-
D.
MBTA Commuter Rail network
chosen
The MBTA Commuter Rail network is a regional passenger rail system serving Greater Boston and surrounding communities in Massachusetts and parts of Rhode Island.
-
E.
MBTA Commuter Rail at Braintree
MBTA Commuter Rail at Braintree is a regional rail station in Braintree, Massachusetts, serving as a key stop on the MBTA’s commuter rail network that links the South Shore suburbs with downtown Boston.
- 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_69da6274c58c81909c646eabed6f4f30 |
completed | April 11, 2026, 3:02 p.m. |
| NER | Named-entity recognition | batch_69e6716dd0b081909d4063150cdc0c02 |
completed | April 20, 2026, 6:33 p.m. |
Created at: April 11, 2026, 11:40 p.m.