Triple

T7465355
Position Surface form Disambiguated ID Type / Status
Subject Metropolitan Transportation Authority rail yard E176358 entity
Predicate isPartOfNetwork P840 FINISHED
Object Metropolitan Transportation Authority rail network
The Metropolitan Transportation Authority rail network is the extensive system of commuter and rapid transit rail lines serving New York City and its surrounding regions, including the subway, Long Island Rail Road, and Metro-North Railroad.
E122940 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: Metropolitan Transportation Authority rail network | Statement: [Metropolitan Transportation Authority rail yard, isPartOfNetwork, Metropolitan Transportation Authority rail network]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Metropolitan Transportation Authority rail network
Context triple: [Metropolitan Transportation Authority rail yard, isPartOfNetwork, Metropolitan Transportation Authority rail network]
  • A. Brooklyn–Manhattan Transit Corporation subway network
    The Brooklyn–Manhattan Transit Corporation subway network was a major early 20th-century rapid transit system in New York City that operated extensive lines in Brooklyn and Manhattan before being incorporated into today’s NYC Subway.
  • B. New Jersey Transit commuter rail network
    The New Jersey Transit commuter rail network is a statewide system of passenger rail lines that connects major cities and suburbs across New Jersey with New York City and Philadelphia.
  • C. New York City metropolitan area commuter rail network
    The New York City metropolitan area commuter rail network is an extensive system of regional passenger rail lines that connect New York City with its surrounding suburbs across multiple states, primarily operated by agencies such as the Long Island Rail Road, Metro-North Railroad, and NJ Transit.
  • D. Capital Metropolitan Transportation Authority
    Capital Metropolitan Transportation Authority is the public transit agency that operates bus, rail, and paratransit services throughout the Austin, Texas region.
  • E. MTA Bridges and Tunnels network
    The MTA Bridges and Tunnels network is a system of major toll bridges and tunnels in New York City operated by the Metropolitan Transportation Authority, connecting the city’s boroughs and surrounding regions.
  • 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: Metropolitan Transportation Authority rail network
Triple: [Metropolitan Transportation Authority rail yard, isPartOfNetwork, Metropolitan Transportation Authority rail network]
Generated description
The Metropolitan Transportation Authority rail network is the extensive system of commuter and rapid transit rail lines serving New York City and its surrounding regions, including the subway, Long Island Rail Road, and Metro-North Railroad.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Metropolitan Transportation Authority rail network
Target entity description: The Metropolitan Transportation Authority rail network is the extensive system of commuter and rapid transit rail lines serving New York City and its surrounding regions, including the subway, Long Island Rail Road, and Metro-North Railroad.
  • A. Brooklyn–Manhattan Transit Corporation subway network
    The Brooklyn–Manhattan Transit Corporation subway network was a major early 20th-century rapid transit system in New York City that operated extensive lines in Brooklyn and Manhattan before being incorporated into today’s NYC Subway.
  • B. New Jersey Transit commuter rail network
    The New Jersey Transit commuter rail network is a statewide system of passenger rail lines that connects major cities and suburbs across New Jersey with New York City and Philadelphia.
  • C. New York City metropolitan area commuter rail network chosen
    The New York City metropolitan area commuter rail network is an extensive system of regional passenger rail lines that connect New York City with its surrounding suburbs across multiple states, primarily operated by agencies such as the Long Island Rail Road, Metro-North Railroad, and NJ Transit.
  • D. Capital Metropolitan Transportation Authority
    Capital Metropolitan Transportation Authority is the public transit agency that operates bus, rail, and paratransit services throughout the Austin, Texas region.
  • E. MTA Bridges and Tunnels network
    The MTA Bridges and Tunnels network is a system of major toll bridges and tunnels in New York City operated by the Metropolitan Transportation Authority, connecting the city’s boroughs and surrounding regions.
  • F. None of above.

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_69c69f21632481908bf83f6c6da897e3 completed March 27, 2026, 3:15 p.m.
NER Named-entity recognition batch_69c6f3f28f34819080713a8abcc22034 completed March 27, 2026, 9:17 p.m.
NED1 Entity disambiguation (via context triple) batch_69c83c5f1f408190a7d42abe28605ddb completed March 28, 2026, 8:38 p.m.
NEDg Description generation batch_69c83e08a2fc819086e48d1c4a297f27 completed March 28, 2026, 8:46 p.m.
NED2 Entity disambiguation (via description) batch_69c83e9d599c81908ffb32d884086eeb completed March 28, 2026, 8:48 p.m.
Created at: March 27, 2026, 3:40 p.m.