Triple
T4056326
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Commuter Rail coaches |
E84701
|
entity |
| Predicate | operatedOn |
P2572
|
FINISHED |
| Object | Kingston Line |
E167927
|
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: Kingston Line | Statement: [MBTA Commuter Rail coaches, operatedOn, Kingston Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Kingston Line Context triple: [MBTA Commuter Rail coaches, operatedOn, Kingston Line]
-
A.
Kingston Line
chosen
The Kingston Line is a Massachusetts Bay Transportation Authority (MBTA) Commuter Rail route serving communities south of Boston between the city and Kingston.
-
B.
Kingston Loop Line
The Kingston Loop Line is a suburban railway route in southwest London that forms a loop connecting several towns and districts between London Waterloo and the South West Main Line.
-
C.
Harbour Line
Harbour Line is a major corridor of Mumbai's suburban railway network that connects the city’s eastern waterfront and Navi Mumbai suburbs to key central and southern Mumbai terminals.
-
D.
Harbour Line
Harbour Line is a Copenhagen Metro route that serves areas along the city’s waterfront and harbor districts.
-
E.
Myrtle Avenue Line
The Myrtle Avenue Line is a New York City Subway line in Brooklyn and Queens, primarily served by the M train.
- 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_69aed933bec881909edfa28ebb69c634 |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69aefbad953c81909d7b42fae5db9f25 |
completed | March 9, 2026, 4:56 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b562a390e4819095cc06f15f6da3b8 |
completed | March 14, 2026, 1:29 p.m. |
Created at: March 9, 2026, 3:38 p.m.