Triple
T1914218
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | JFK/UMass station |
E38179
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | Greenbush Line |
E175422
|
NE FINISHED |
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: Greenbush Line | Statement: [JFK/UMass station, servedBy, Greenbush Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Greenbush Line Context triple: [JFK/UMass station, servedBy, Greenbush Line]
-
A.
Greenbush Line
chosen
The Greenbush Line is a Massachusetts Bay Transportation Authority commuter rail route serving Boston’s South Station and several South Shore communities.
-
B.
Mernda line
The Mernda line is a suburban railway line in Melbourne, Australia, running from the central business district to the northeastern suburb of Mernda as part of the city’s metropolitan train network.
-
C.
Pakenham line
The Pakenham line is a suburban railway line in Melbourne, Australia, running from the central business district to the southeastern suburb of Pakenham as part of the city’s metropolitan train network.
-
D.
Lilydale line
The Lilydale line is a suburban railway line in Melbourne, Australia, running from the central business district to the outer eastern suburb of Lilydale as part of the city’s metropolitan train network.
-
E.
Werribee line
The Werribee line is a suburban railway line in Melbourne, Australia, that runs from the central business district to the southwestern suburb of Werribee as part of the city’s metropolitan train network.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69a8862a26088190aae5243695aeefc0 |
completed | March 4, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69abb1e403d88190822082b4b5135e70 |
completed | March 7, 2026, 5:04 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69adf3d7df908190891448dfa8bb4fb0 |
completed | March 8, 2026, 10:10 p.m. |
Created at: March 4, 2026, 7:35 p.m.