Triple

T9737252
Position Surface form Disambiguated ID Type / Status
Subject Brewster train station E236093 entity
Predicate hasSignage P5950 FINISHED
Object Metro-North standard signage
Metro-North standard signage is the uniform system of signs used across the Metro-North Railroad network to provide consistent wayfinding, station identification, and passenger information.
E817714 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: Metro-North standard signage | Statement: [Brewster train station, hasSignage, Metro-North standard signage]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Metro-North standard signage
Context triple: [Brewster train station, hasSignage, Metro-North standard signage]
  • A. MBTA standard signage
    MBTA standard signage is the uniform system of wayfinding signs, symbols, and typography used across Boston’s public transit network to guide passengers and provide consistent information.
  • B. MTA Graphics Standard signage
    MTA Graphics Standard signage is the unified visual design system used across New York City’s subway and transit network, featuring consistent typography, colors, and symbols to guide passengers.
  • C. Metro-North fare zones
    Metro-North fare zones are the distance-based pricing regions used by the Metro-North Railroad to determine commuter rail ticket costs across its network.
  • D. Fairfield Metro-North Railroad station
    Fairfield Metro-North Railroad station is a commuter rail station on the New Haven Line serving passengers traveling between Fairfield, Connecticut, and destinations such as New York City and New Haven.
  • E. Metro-North Railroad
    Metro-North Railroad is a major commuter rail service operating in the New York metropolitan area, primarily connecting New York City with its northern suburbs in New York State and Connecticut.
  • 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: Metro-North standard signage
Triple: [Brewster train station, hasSignage, Metro-North standard signage]
Generated description
Metro-North standard signage is the uniform system of signs used across the Metro-North Railroad network to provide consistent wayfinding, station identification, and passenger information.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Metro-North standard signage
Target entity description: Metro-North standard signage is the uniform system of signs used across the Metro-North Railroad network to provide consistent wayfinding, station identification, and passenger information.
  • A. MBTA standard signage
    MBTA standard signage is the uniform system of wayfinding signs, symbols, and typography used across Boston’s public transit network to guide passengers and provide consistent information.
  • B. MTA Graphics Standard signage
    MTA Graphics Standard signage is the unified visual design system used across New York City’s subway and transit network, featuring consistent typography, colors, and symbols to guide passengers.
  • C. Metro-North fare zones
    Metro-North fare zones are the distance-based pricing regions used by the Metro-North Railroad to determine commuter rail ticket costs across its network.
  • D. Fairfield Metro-North Railroad station
    Fairfield Metro-North Railroad station is a commuter rail station on the New Haven Line serving passengers traveling between Fairfield, Connecticut, and destinations such as New York City and New Haven.
  • E. Metro-North Railroad
    Metro-North Railroad is a major commuter rail service operating in the New York metropolitan area, primarily connecting New York City with its northern suburbs in New York State and Connecticut.
  • 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_69ca84d313e88190983ee6ffd0ef60d2 completed March 30, 2026, 2:12 p.m.
NER Named-entity recognition batch_69cd9ef032088190acd94c35b89e48b7 completed April 1, 2026, 10:40 p.m.
NED1 Entity disambiguation (via context triple) batch_69d1afd74a308190ae1a618bab5f7841 completed April 5, 2026, 12:41 a.m.
NEDg Description generation batch_69d1b0f7a68481909de080dd78f883a8 completed April 5, 2026, 12:46 a.m.
NED2 Entity disambiguation (via description) batch_69d1b17bd97c8190b77815db5a6a70d9 completed April 5, 2026, 12:49 a.m.
Created at: March 30, 2026, 8:22 p.m.