Triple
T6448635
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | New Haven Line |
E139806
|
entity |
| Predicate | usesRollingStock |
P5426
|
FINISHED |
| Object |
M6 railcar
The M6 railcar is an electric multiple unit commuter train used by Metro-North Railroad, known for serving the New Haven Line between New York and Connecticut.
|
E598059
|
NE FINISHED |
How this triple was built (4 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: M6 railcar | Statement: [New Haven Line, usesRollingStock, M6 railcar]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: M6 railcar Context triple: [New Haven Line, usesRollingStock, M6 railcar]
-
A.
M4 railcar
The M4 railcar is an electric multiple-unit passenger train used in commuter rail service, notably on lines such as the New Haven Line.
-
B.
M2 railcar
The M2 railcar is an electric multiple-unit passenger train used by commuter rail services in the northeastern United States, particularly known for operating on the New Haven Line.
-
C.
Endeavour railcar
The Endeavour railcar is a class of diesel multiple unit passenger trains operating regional and intercity services in New South Wales, Australia.
-
D.
PA5 railcar
The PA5 railcar is a modern electric multiple unit train used on the PATH rapid transit system serving New York and New Jersey.
-
E.
MP-68 trains
MP-68 trains are a class of rubber-tyred metro rolling stock that have operated on Mexico City’s Metro system since the late 1960s.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: M6 railcar Triple: [New Haven Line, usesRollingStock, M6 railcar]
Generated description
The M6 railcar is an electric multiple unit commuter train used by Metro-North Railroad, known for serving the New Haven Line between New York and Connecticut.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: M6 railcar Target entity description: The M6 railcar is an electric multiple unit commuter train used by Metro-North Railroad, known for serving the New Haven Line between New York and Connecticut.
-
A.
M4 railcar
The M4 railcar is an electric multiple-unit passenger train used in commuter rail service, notably on lines such as the New Haven Line.
-
B.
M2 railcar
The M2 railcar is an electric multiple-unit passenger train used by commuter rail services in the northeastern United States, particularly known for operating on the New Haven Line.
-
C.
Endeavour railcar
The Endeavour railcar is a class of diesel multiple unit passenger trains operating regional and intercity services in New South Wales, Australia.
-
D.
PA5 railcar
The PA5 railcar is a modern electric multiple unit train used on the PATH rapid transit system serving New York and New Jersey.
-
E.
MP-68 trains
MP-68 trains are a class of rubber-tyred metro rolling stock that have operated on Mexico City’s Metro system since the late 1960s.
- F. None of above. chosen
Provenance (5 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_69c008b301948190a35854e5284dc822 |
completed | March 22, 2026, 3:20 p.m. |
| NER | Named-entity recognition | batch_69c069b1a61c81908610264c098d25b0 |
completed | March 22, 2026, 10:14 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c6637ffa648190b39e9721c9a7c092 |
completed | March 27, 2026, 11:01 a.m. |
| NEDg | Description generation | batch_69c66769140881908bc016355b9c31e5 |
completed | March 27, 2026, 11:18 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c667e9e2a881908c5fe985c7463fc4 |
completed | March 27, 2026, 11:20 a.m. |
Created at: March 22, 2026, 4:47 p.m.