Triple

T509368
Position Surface form Disambiguated ID Type / Status
Subject 2 train E10571 entity
Predicate division P889 FINISHED
Object IRT
IRT is a major division of the New York City Subway system that operates the numbered (1–7) train lines, originally built by the Interborough Rapid Transit Company.
 E63229 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: IRT | Statement: [2 train, division, IRT]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: IRT
Context triple: [2 train, division, IRT]
  • A. It
    It is a 1986 horror novel by Stephen King about a shape-shifting entity that terrorizes children in the town of Derry, Maine.
  • B. IRTF
    The Internet Research Task Force (IRTF) is an organization that promotes long-term research related to the evolution and future of the Internet.
  • C. IRU
    IRU is the abbreviation for the International Romani Union, a global organization representing the interests and rights of Romani people.
  • D. IS
    IS is the two-letter ISO 3166-1 alpha-2 country code representing Iceland in international standards and systems.
  • E. IM
    IM is the two-letter ISO 3166-1 alpha-2 country code assigned to the Isle of Man.
  • 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: IRT
Triple: [2 train, division, IRT]
Generated description
IRT is a major division of the New York City Subway system that operates the numbered (1–7) train lines, originally built by the Interborough Rapid Transit Company.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: IRT
Target entity description: IRT is a major division of the New York City Subway system that operates the numbered (1–7) train lines, originally built by the Interborough Rapid Transit Company.
  • A. It
    It is a 1986 horror novel by Stephen King about a shape-shifting entity that terrorizes children in the town of Derry, Maine.
  • B. IRTF
    The Internet Research Task Force (IRTF) is an organization that promotes long-term research related to the evolution and future of the Internet.
  • C. IRU
    IRU is the abbreviation for the International Romani Union, a global organization representing the interests and rights of Romani people.
  • D. IS
    IS is the two-letter ISO 3166-1 alpha-2 country code representing Iceland in international standards and systems.
  • E. IM
    IM is the two-letter ISO 3166-1 alpha-2 country code assigned to the Isle of Man.
  • 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_69a2e848adf881908e5e04f7af030093 completed Feb. 28, 2026, 1:06 p.m.
NER Named-entity recognition batch_69a2f164a9d48190b525a97b5c06ffe2 completed Feb. 28, 2026, 1:45 p.m.
NED1 Entity disambiguation (via context triple) batch_69a49851b80081908375bb72d2d89ab0 completed March 1, 2026, 7:49 p.m.
NEDg Description generation batch_69a4991506808190a96386726cd0212e completed March 1, 2026, 7:52 p.m.
NED2 Entity disambiguation (via description) batch_69a499dbfdf08190bedce53795790963 completed March 1, 2026, 7:56 p.m.
Created at: Feb. 28, 2026, 1:12 p.m.