Triple

T38022264
Position Surface form Disambiguated ID Type / Status
Subject 104th Street station E948670 entity
Predicate formerSystem P147859 FINISHED
Object BMT Fulton Street Line
The BMT Fulton Street Line was a former elevated rapid transit line in Brooklyn, New York City, that once formed part of the Brooklyn–Manhattan Transit Corporation’s subway network.
 E2253860 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 Fulton Street Line | Statement: [104th Street station, formerSystem, BMT Fulton Street Line]
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 Fulton Street Line
Triple: [104th Street station, formerSystem, BMT Fulton Street Line]
Generated description
The BMT Fulton Street Line was a former elevated rapid transit line in Brooklyn, New York City, that once formed part of the Brooklyn–Manhattan Transit Corporation’s subway network.
PD Predicate disambiguation gpt-5-mini-2025-08-07 
Target predicate: formerSystem
Context triple: [104th Street station, formerSystem, BMT Fulton Street Line]
  • A. previousSystemName
    Indicates that an entity was formerly known by a different system name prior to its current designation.
  • B. formerProgram
    Indicates that an entity previously held the role or status of a program but no longer does so.
  • C. formerType
    Indicates that one entity previously had a certain type, role, or classification but no longer does.
  • D. previouslyUsedSystem chosen
    Indicates that an entity made use of a particular system at some time in the past, prior to the current context or state.
  • E. replacedEarlierSystems
    Indicates that one system has taken the place of and superseded other systems that existed or were in use before it.
  • 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_69f76efc10448190aff5fb566b98f952 completed May 3, 2026, 3:51 p.m.
NER Named-entity recognition batch_6a012efebda88190a90c8f650e4b1ee9 completed May 11, 2026, 1:21 a.m.
NED1 Entity disambiguation (via context triple) batch_6a41543d43708190a6d6e8da5b6e41e2 completed June 28, 2026, 5:05 p.m.
NEDg Description generation batch_6a4157ffadbc819092aafa34626b3cd5 completed June 28, 2026, 5:21 p.m.
NED2 Entity disambiguation (via description) batch_6a415860f9e88190bb1c1fbbc2ef0e37 completed June 28, 2026, 5:22 p.m.
PD Predicate disambiguation batch_6a01298cc604819087c836659c128926 completed May 11, 2026, 12:57 a.m.
Created at: May 3, 2026, 4:20 p.m.