Triple
T281049
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | J |
E5354
|
entity |
| Predicate | trunkLine |
P6301
|
FINISHED |
| Object |
BMT Jamaica Line
The BMT Jamaica Line is an elevated New York City Subway line in Brooklyn and Queens, primarily served by the J and Z trains.
|
E36422
|
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: BMT Jamaica Line | Statement: [J, trunkLine, BMT Jamaica Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: BMT Jamaica Line Context triple: [J, trunkLine, BMT Jamaica Line]
-
A.
Staten Island Railway
Staten Island Railway is a rapid transit line providing passenger rail service along Staten Island’s east shore in New York City.
-
B.
Interborough Rapid Transit Company
The Interborough Rapid Transit Company was the private operator that built and ran New York City's first subway lines in the early 20th century before they were incorporated into the modern NYC Subway system.
-
C.
Camden Line
The Camden Line is a commuter rail service in Maryland that connects Washington, D.C. with Baltimore and surrounding communities as part of the MARC Train system.
-
D.
Tompkins Consolidated Area Transit
Tompkins Consolidated Area Transit is the primary public bus system serving Ithaca and the surrounding Tompkins County region in New York.
-
E.
IND Rockaway Line (subway portion)
The IND Rockaway Line (subway portion) is a New York City Subway rapid transit line in Queens that connects central Queens to the Rockaway Peninsula as part of the IND Division.
- 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: BMT Jamaica Line Triple: [J, trunkLine, BMT Jamaica Line]
Generated description
The BMT Jamaica Line is an elevated New York City Subway line in Brooklyn and Queens, primarily served by the J and Z trains.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: BMT Jamaica Line Target entity description: The BMT Jamaica Line is an elevated New York City Subway line in Brooklyn and Queens, primarily served by the J and Z trains.
-
A.
Staten Island Railway
Staten Island Railway is a rapid transit line providing passenger rail service along Staten Island’s east shore in New York City.
-
B.
Interborough Rapid Transit Company
The Interborough Rapid Transit Company was the private operator that built and ran New York City's first subway lines in the early 20th century before they were incorporated into the modern NYC Subway system.
-
C.
Camden Line
The Camden Line is a commuter rail service in Maryland that connects Washington, D.C. with Baltimore and surrounding communities as part of the MARC Train system.
-
D.
Tompkins Consolidated Area Transit
Tompkins Consolidated Area Transit is the primary public bus system serving Ithaca and the surrounding Tompkins County region in New York.
-
E.
IND Rockaway Line (subway portion)
The IND Rockaway Line (subway portion) is a New York City Subway rapid transit line in Queens that connects central Queens to the Rockaway Peninsula as part of the IND Division.
- 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_69a257e6c8788190987dfe705ca2912a |
completed | Feb. 28, 2026, 2:50 a.m. |
| NER | Named-entity recognition | batch_69a260d0dae48190a2ec98d0186fd792 |
completed | Feb. 28, 2026, 3:28 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a394a407588190a1f52821fe3b5fc7 |
completed | March 1, 2026, 1:21 a.m. |
| NEDg | Description generation | batch_69a395524c248190ba42ae1de870a598 |
completed | March 1, 2026, 1:24 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a395d7fc408190a1eb0fea0d0b2838 |
completed | March 1, 2026, 1:26 a.m. |
Created at: Feb. 28, 2026, 2:59 a.m.