Triple
T3625419
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Z train |
E76826
|
entity |
| Predicate | primaryLine |
P24771
|
FINISHED |
| Object | BMT Jamaica Line |
E36422
|
NE FINISHED |
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: BMT Jamaica Line | Statement: [Z train, primaryLine, BMT Jamaica Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: BMT Jamaica Line Context triple: [Z train, primaryLine, BMT Jamaica Line]
-
A.
BMT Jamaica Line
chosen
The BMT Jamaica Line is an elevated New York City Subway line in Brooklyn and Queens, primarily served by the J and Z trains.
-
B.
BMT Brighton Line
The BMT Brighton Line is a major New York City Subway route in Brooklyn that connects Brighton Beach and other southern neighborhoods to central Brooklyn and Manhattan.
-
C.
BMT Astoria Line
The BMT Astoria Line is a New York City Subway line in Queens that primarily serves the Astoria neighborhood and connects it to Manhattan via elevated and underground tracks.
-
D.
BMT Nassau Street Line
The BMT Nassau Street Line is a New York City Subway line in Lower Manhattan that primarily carries J and Z trains through the Financial District.
-
E.
BMT West End Line
The BMT West End Line is a New York City Subway line in Brooklyn that runs primarily along New Utrecht Avenue and serves as part of the modern D train route.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: primaryLine Context triple: [Z train, primaryLine, BMT Jamaica Line]
-
A.
primaryFront
Indicates that one entity serves as the main or most important front-facing side or surface in relation to another entity.
-
B.
primaryRoute
Indicates that one route is designated as the main or preferred path among possible alternatives between locations.
-
C.
mainLine
chosen
Indicates that something serves as the primary or central line, route, or sequence among a set of related lines.
-
D.
primaryName
Indicates that the associated name is the main or most commonly used name for the entity in question.
-
E.
primaryDirection
Indicates the main or dominant directional orientation associated with an entity or relation.
- F. None of above.
Provenance (4 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_69ad85dc03948190b35b7189e4175bcc |
completed | March 8, 2026, 2:21 p.m. |
| NER | Named-entity recognition | batch_69adc2dae7a48190809d4455b2349aaa |
completed | March 8, 2026, 6:41 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b4332488d88190ac70846388b7ff13 |
completed | March 13, 2026, 3:54 p.m. |
| PD | Predicate disambiguation | batch_69adb8410a5881909c94818d7060b2b0 |
completed | March 8, 2026, 5:56 p.m. |
Created at: March 8, 2026, 3:23 p.m.