Triple
T20240475
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Hastings station |
E498273
|
entity |
| Predicate | hasServiceOperator |
P5884
|
FINISHED |
| Object | Keolis Commuter Services |
—
|
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: Keolis Commuter Services | Statement: [Hastings station, hasServiceOperator, Keolis Commuter Services]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Keolis Commuter Services Context triple: [Hastings station, hasServiceOperator, Keolis Commuter Services]
-
A.
Keolis Commuter Services
chosen
Keolis Commuter Services is a private transportation company that operates commuter rail services under contract, notably running the Massachusetts Bay Transportation Authority (MBTA) commuter rail network in the Greater Boston area.
-
B.
KeolisAmey Metrolink
KeolisAmey Metrolink is the private operator responsible for running and maintaining Greater Manchester’s Metrolink light rail network in England.
-
C.
Keolis
Keolis is a major French public transport operator that manages and operates bus, tram, metro, and rail networks in numerous cities worldwide.
-
D.
Keolis Downer
Keolis Downer is a major Australian public transport operator formed as a joint venture between Keolis (France) and Downer Group (Australia), running various rail, tram, and bus services across the country.
-
E.
First Transit
First Transit is a North American public transportation management and contracting company that operates and maintains bus, paratransit, shuttle, and other transit services for municipalities and organizations.
- 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.