Triple

T5173778
Position Surface form Disambiguated ID Type / Status
Subject Gold Line (MARTA) E116745 entity
Predicate lineDesignationIntroducedBy P62154 FINISHED
Object MARTA color-based naming scheme
The MARTA color-based naming scheme is a system adopted by Atlanta's transit agency to identify its rail lines using distinct color names instead of older letter or destination-based designations.
E499438 NE FINISHED

How this triple was built (5 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: MARTA color-based naming scheme | Statement: [Gold Line (MARTA), lineDesignationIntroducedBy, MARTA color-based naming scheme]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: MARTA color-based naming scheme
Context triple: [Gold Line (MARTA), lineDesignationIntroducedBy, MARTA color-based naming scheme]
  • A. MARTA Breeze fare system
    The MARTA Breeze fare system is the electronic ticketing and payment platform used by Atlanta’s public transit network, enabling riders to pay fares via smart cards and mobile devices.
  • 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. Blue for Blue Route
    Blue for Blue Route is the blue color designation used to identify the Blue Route line on the Sheffield Supertram network.
  • D. MARTA rail stations
    MARTA rail stations are the train stops and transit hubs of Atlanta’s Metropolitan Atlanta Rapid Transit Authority rail system.
  • E. MARTA heavy rail cars
    MARTA heavy rail cars are electric multiple-unit subway trains used to provide rapid transit service on Atlanta’s Metropolitan Atlanta Rapid Transit Authority rail system.
  • 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: MARTA color-based naming scheme
Triple: [Gold Line (MARTA), lineDesignationIntroducedBy, MARTA color-based naming scheme]
Generated description
The MARTA color-based naming scheme is a system adopted by Atlanta's transit agency to identify its rail lines using distinct color names instead of older letter or destination-based designations.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: MARTA color-based naming scheme
Target entity description: The MARTA color-based naming scheme is a system adopted by Atlanta's transit agency to identify its rail lines using distinct color names instead of older letter or destination-based designations.
  • A. MARTA Breeze fare system
    The MARTA Breeze fare system is the electronic ticketing and payment platform used by Atlanta’s public transit network, enabling riders to pay fares via smart cards and mobile devices.
  • 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. Blue for Blue Route
    Blue for Blue Route is the blue color designation used to identify the Blue Route line on the Sheffield Supertram network.
  • D. MARTA rail stations
    MARTA rail stations are the train stops and transit hubs of Atlanta’s Metropolitan Atlanta Rapid Transit Authority rail system.
  • E. MARTA heavy rail cars
    MARTA heavy rail cars are electric multiple-unit subway trains used to provide rapid transit service on Atlanta’s Metropolitan Atlanta Rapid Transit Authority rail system.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: lineDesignationIntroducedBy
Context triple: [Gold Line (MARTA), lineDesignationIntroducedBy, MARTA color-based naming scheme]
  • A. previousDesignationEstablished
    Indicates that an earlier official designation or title for an entity was formally created or put into effect.
  • B. lineName
    Indicates the specific name or designation assigned to a particular line (such as a route, path, or service) that distinguishes it from other lines.
  • C. internationalDesignation
    Indicates that an entity has been assigned a formal status, code, or recognition by an international body or under an internationally agreed system.
  • D. mapDesignation
    Indicates a formal label or identifier that is assigned to something specifically for use on a map.
  • E. exampleDesignation
    Indicates that one entity is identified or labeled as a representative or illustrative instance of another entity.
  • F. None of above. chosen

Provenance (7 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_69bd445ff97c81909a2615cc56235470 completed March 20, 2026, 12:58 p.m.
NER Named-entity recognition batch_69bd796f7c308190a721e33aabd499ac completed March 20, 2026, 4:44 p.m.
NED1 Entity disambiguation (via context triple) batch_69bed94a6ed08190b035afa20123c737 completed March 21, 2026, 5:45 p.m.
NEDg Description generation batch_69bed9d6e1288190be0d8d83233eb3c2 completed March 21, 2026, 5:48 p.m.
NED2 Entity disambiguation (via description) batch_69beda5d39b88190a7314f673de2719d completed March 21, 2026, 5:50 p.m.
PD Predicate disambiguation batch_69bd77b529948190b86671ebe43f4734 completed March 20, 2026, 4:37 p.m.
PDg Predicate description generation batch_69bd79251b548190918a1eb930e24c22 completed March 20, 2026, 4:43 p.m.
Created at: March 20, 2026, 1:45 p.m.