Triple
T572979
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | C train |
E13701
|
entity |
| Predicate | brooklynTerminal |
P3569
|
FINISHED |
| Object |
Euclid Avenue–East New York
Euclid Avenue–East New York is a major New York City Subway station in Brooklyn that serves as a key terminal and transfer point on the IND Fulton Street Line.
|
E148841
|
NE FINISHED |
How this triple was built (5 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: Euclid Avenue–East New York | Statement: [C train, brooklynTerminal, Euclid Avenue–East New York]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Euclid Avenue–East New York Context triple: [C train, brooklynTerminal, Euclid Avenue–East New York]
-
A.
Flatbush Avenue
Flatbush Avenue is a major thoroughfare in Brooklyn, New York City, running from Downtown Brooklyn through several neighborhoods to the Marine Parkway–Gil Hodges Memorial Bridge.
-
B.
Lenox Avenue
Lenox Avenue is a major north–south thoroughfare in Harlem, Manhattan, historically known as a cultural and commercial hub of African-American life and the Harlem Renaissance.
-
C.
Queens Boulevard
Queens Boulevard is a major thoroughfare in the New York City borough of Queens, known for its wide lanes, heavy traffic, and history as a dangerous roadway for pedestrians.
-
D.
Flatbush
Flatbush is a diverse, historically Caribbean-American neighborhood in central Brooklyn, New York City, known for its vibrant culture and Victorian-era residential streets.
-
E.
Harlem River Drive
Harlem River Drive is a major north–south expressway in Manhattan, New York City, running along the Harlem River and connecting the FDR Drive with the George Washington Bridge approaches.
- 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: Euclid Avenue–East New York Triple: [C train, brooklynTerminal, Euclid Avenue–East New York]
Generated description
Euclid Avenue–East New York is a major New York City Subway station in Brooklyn that serves as a key terminal and transfer point on the IND Fulton Street Line.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Euclid Avenue–East New York Target entity description: Euclid Avenue–East New York is a major New York City Subway station in Brooklyn that serves as a key terminal and transfer point on the IND Fulton Street Line.
-
A.
Flatbush Avenue
Flatbush Avenue is a major thoroughfare in Brooklyn, New York City, running from Downtown Brooklyn through several neighborhoods to the Marine Parkway–Gil Hodges Memorial Bridge.
-
B.
Lenox Avenue
Lenox Avenue is a major north–south thoroughfare in Harlem, Manhattan, historically known as a cultural and commercial hub of African-American life and the Harlem Renaissance.
-
C.
Queens Boulevard
Queens Boulevard is a major thoroughfare in the New York City borough of Queens, known for its wide lanes, heavy traffic, and history as a dangerous roadway for pedestrians.
-
D.
Flatbush
Flatbush is a diverse, historically Caribbean-American neighborhood in central Brooklyn, New York City, known for its vibrant culture and Victorian-era residential streets.
-
E.
Harlem River Drive
Harlem River Drive is a major north–south expressway in Manhattan, New York City, running along the Harlem River and connecting the FDR Drive with the George Washington Bridge approaches.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: brooklynTerminal Context triple: [C train, brooklynTerminal, Euclid Avenue–East New York]
-
A.
designatedNYCLandmark
Indicates that an entity has been officially designated as a New York City landmark by the appropriate municipal authority.
-
B.
terminusCity
Indicates that a transportation route or service ends or has its final stop in a particular city.
-
C.
isDowntownEndpointOf
Indicates that a location serves as the downtown terminus or endpoint of a route, line, or path.
-
D.
hasBorough
Indicates that one entity is located within, belongs to, or is administratively part of a specific borough.
-
E.
terminusEast
chosen
Indicates that one entity serves as the eastern endpoint or final stop of another entity, such as a route, line, or path.
- F. None of above.
Provenance (6 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_69a4933fa4d88190a7949cc83c08c5c1 |
completed | March 1, 2026, 7:27 p.m. |
| NER | Named-entity recognition | batch_69a49b4ae0988190bdd0ad428b784d85 |
completed | March 1, 2026, 8:02 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69acb2eb81cc81908907c02ff43644d7 |
completed | March 7, 2026, 11:21 p.m. |
| NEDg | Description generation | batch_69acb370c7cc81908a78bb5438416db6 |
completed | March 7, 2026, 11:23 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69acb409b4d0819081266cf3e6c09164 |
completed | March 7, 2026, 11:26 p.m. |
| PD | Predicate disambiguation | batch_69a494c4969c819080375d08f9eec50c |
completed | March 1, 2026, 7:34 p.m. |
Created at: March 1, 2026, 7:33 p.m.