Triple
T5263950
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | New York City Subway A line |
E118892
|
entity |
| Predicate | hasServiceVariant |
P455
|
FINISHED |
| Object |
Lefferts Boulevard branch
The Lefferts Boulevard branch is an eastern Queens spur of New York City’s A subway line that terminates at Ozone Park–Lefferts Boulevard.
|
E507287
|
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: Lefferts Boulevard branch | Statement: [New York City Subway A line, hasServiceVariant, Lefferts Boulevard branch]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lefferts Boulevard branch Context triple: [New York City Subway A line, hasServiceVariant, Lefferts Boulevard branch]
-
A.
Union Square Branch
The Union Square Branch is a segment of Boston's MBTA Green Line light rail system that extends service to the Union Square area of Somerville.
-
B.
Far Rockaway Branch
The Far Rockaway Branch is a commuter rail line of the Long Island Rail Road serving southeastern Queens and the Far Rockaway neighborhood in New York City.
-
C.
Mid-Manhattan Library
The Mid-Manhattan Library is a major circulating branch of the New York Public Library system in Manhattan, known for its extensive general-interest collections and public services.
-
D.
Rockaway Beach Branch
Rockaway Beach Branch was a former Long Island Rail Road line in Queens, New York City, that once provided passenger service between central Queens and the Rockaway Peninsula.
-
E.
Brooklyn Public Library (Central Library)
Brooklyn Public Library’s Central Library is the flagship branch and main headquarters of the Brooklyn Public Library system, known for its landmark Art Deco building and extensive collections and services.
- 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: Lefferts Boulevard branch Triple: [New York City Subway A line, hasServiceVariant, Lefferts Boulevard branch]
Generated description
The Lefferts Boulevard branch is an eastern Queens spur of New York City’s A subway line that terminates at Ozone Park–Lefferts Boulevard.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Lefferts Boulevard branch Target entity description: The Lefferts Boulevard branch is an eastern Queens spur of New York City’s A subway line that terminates at Ozone Park–Lefferts Boulevard.
-
A.
Union Square Branch
The Union Square Branch is a segment of Boston's MBTA Green Line light rail system that extends service to the Union Square area of Somerville.
-
B.
Far Rockaway Branch
The Far Rockaway Branch is a commuter rail line of the Long Island Rail Road serving southeastern Queens and the Far Rockaway neighborhood in New York City.
-
C.
Mid-Manhattan Library
The Mid-Manhattan Library is a major circulating branch of the New York Public Library system in Manhattan, known for its extensive general-interest collections and public services.
-
D.
Rockaway Beach Branch
Rockaway Beach Branch was a former Long Island Rail Road line in Queens, New York City, that once provided passenger service between central Queens and the Rockaway Peninsula.
-
E.
Brooklyn Public Library (Central Library)
Brooklyn Public Library’s Central Library is the flagship branch and main headquarters of the Brooklyn Public Library system, known for its landmark Art Deco building and extensive collections and services.
- 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_69bd446a42c88190b7ecbef006561d55 |
completed | March 20, 2026, 12:58 p.m. |
| NER | Named-entity recognition | batch_69bd7bd4a9888190a79ef8e64c764f86 |
completed | March 20, 2026, 4:54 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69befe88ba588190b130f1857536816f |
completed | March 21, 2026, 8:24 p.m. |
| NEDg | Description generation | batch_69beff4322308190b252820e7213f05e |
completed | March 21, 2026, 8:27 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69beffe02d208190b857d6aaa4d85dae |
completed | March 21, 2026, 8:30 p.m. |
Created at: March 20, 2026, 1:51 p.m.