Triple

T6017769
Position Surface form Disambiguated ID Type / Status
Subject Brooklyn E133987 entity
Predicate isServedBySubwayLine P17559 FINISHED
Object B Line
The B Line is a New York City Subway service that runs through Brooklyn and Manhattan, typically operating as an express route on the Sixth Avenue Line.
E561875 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: B Line | Statement: [Brooklyn, isServedBySubwayLine, B Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: B Line
Context triple: [Brooklyn, isServedBySubwayLine, B Line]
  • A. B Line
    The B Line is a heavy-rail subway line in the Los Angeles Metro Rail system that runs primarily beneath Hollywood and Downtown Los Angeles.
  • B. Maritime Line
    Maritime Line is a regional railway service in Cornwall, England, connecting Falmouth with the mainline rail network.
  • C. Greenline
    Greenline is a popular multi-use recreational trail associated with Shelby Farms Park in the Memphis, Tennessee area, used for walking, running, and cycling.
  • D. U Line
    U Line is a light metro line in the Seoul metropolitan area that serves the city of Uijeongbu with driverless trains on an elevated and mostly automated system.
  • E. M-Line
    M-Line is the commonly used name for the McKinney Avenue Trolley, a historic streetcar line operating in Dallas, Texas.
  • 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: B Line
Triple: [Brooklyn, isServedBySubwayLine, B Line]
Generated description
The B Line is a New York City Subway service that runs through Brooklyn and Manhattan, typically operating as an express route on the Sixth Avenue Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: B Line
Target entity description: The B Line is a New York City Subway service that runs through Brooklyn and Manhattan, typically operating as an express route on the Sixth Avenue Line.
  • A. B Line
    The B Line is a heavy-rail subway line in the Los Angeles Metro Rail system that runs primarily beneath Hollywood and Downtown Los Angeles.
  • B. Maritime Line
    Maritime Line is a regional railway service in Cornwall, England, connecting Falmouth with the mainline rail network.
  • C. Greenline
    Greenline is a popular multi-use recreational trail associated with Shelby Farms Park in the Memphis, Tennessee area, used for walking, running, and cycling.
  • D. U Line
    U Line is a light metro line in the Seoul metropolitan area that serves the city of Uijeongbu with driverless trains on an elevated and mostly automated system.
  • E. M-Line
    M-Line is the commonly used name for the McKinney Avenue Trolley, a historic streetcar line operating in Dallas, Texas.
  • 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_69c008742a5c8190b9cb9c2787a3d8b3 completed March 22, 2026, 3:19 p.m.
NER Named-entity recognition batch_69c0560bae148190ad4755defaaf471b completed March 22, 2026, 8:50 p.m.
NED1 Entity disambiguation (via context triple) batch_69c108b842c48190b9469e2892a213d3 completed March 23, 2026, 9:32 a.m.
NEDg Description generation batch_69c10b7467e88190955014bc060b20e4 completed March 23, 2026, 9:44 a.m.
NED2 Entity disambiguation (via description) batch_69c10c0a001c81908e3ca53e9491ff9a completed March 23, 2026, 9:46 a.m.
Created at: March 22, 2026, 4:07 p.m.