Triple
T22882274
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Auburn railway station |
E567505
|
entity |
| Predicate | style |
P87
|
FINISHED |
| Object | PTV commuter rail |
—
|
NE NERFINISHED |
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: PTV commuter rail | Statement: [Auburn railway station, style, PTV commuter rail]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: PTV commuter rail Context triple: [Auburn railway station, style, PTV commuter rail]
-
A.
RTD commuter rail
RTD commuter rail is a regional passenger rail system serving the Denver metropolitan area as part of the Regional Transportation District’s transit network.
-
B.
SuperVia commuter rail network
The SuperVia commuter rail network is a suburban rail system serving the Rio de Janeiro metropolitan area, connecting central hubs like Central do Brasil to outlying neighborhoods and cities.
-
C.
WeGo Star commuter rail
The WeGo Star commuter rail is a regional passenger train service connecting Nashville with its eastern suburbs in Middle Tennessee.
-
D.
MARC commuter rail
MARC commuter rail is a regional passenger train service in Maryland that connects suburban communities and nearby states with major employment centers like Washington, D.C. and Baltimore.
-
E.
Biotrén commuter rail
Biotrén commuter rail is a suburban passenger train system serving the Greater Concepción metropolitan area in Chile, connecting key urban and outlying communities.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: PTV commuter rail Target entity description: PTV commuter rail is the suburban passenger train network serving Melbourne and its surrounding areas under the Public Transport Victoria system.
-
A.
RTD commuter rail
RTD commuter rail is a regional passenger rail system serving the Denver metropolitan area as part of the Regional Transportation District’s transit network.
-
B.
SuperVia commuter rail network
The SuperVia commuter rail network is a suburban rail system serving the Rio de Janeiro metropolitan area, connecting central hubs like Central do Brasil to outlying neighborhoods and cities.
-
C.
WeGo Star commuter rail
The WeGo Star commuter rail is a regional passenger train service connecting Nashville with its eastern suburbs in Middle Tennessee.
-
D.
MARC commuter rail
MARC commuter rail is a regional passenger train service in Maryland that connects suburban communities and nearby states with major employment centers like Washington, D.C. and Baltimore.
-
E.
Biotrén commuter rail
Biotrén commuter rail is a suburban passenger train system serving the Greater Concepción metropolitan area in Chile, connecting key urban and outlying communities.
- F. None of above. chosen
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_69e2458a92ec81908fc1cd5f6407d2ab |
completed | April 17, 2026, 2:36 p.m. |
| NER | Named-entity recognition | batch_69f17f5cd98c8190b3c31ffd4c066331 |
completed | April 29, 2026, 3:47 a.m. |
Created at: April 17, 2026, 3:39 p.m.