Triple

T8127490
Position Surface form Disambiguated ID Type / Status
Subject Tehran Urban and Suburban Railway and Bus Company E189768 entity
Predicate hasPublicTransportSystem P474 FINISHED
Object BRT
BRT is Tehran’s bus rapid transit system, providing high-capacity, dedicated-lane bus services across the city.
E714680 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: BRT | Statement: [Tehran Urban and Suburban Railway and Bus Company, hasPublicTransportSystem, BRT]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: BRT
Context triple: [Tehran Urban and Suburban Railway and Bus Company, hasPublicTransportSystem, BRT]
  • A. BRT
    BRT is the standard time zone used in much of eastern Brazil, including major cities like Brasília and Rio de Janeiro, typically three hours behind Coordinated Universal Time (UTC−3).
  • B. BRT
    BRT was the common abbreviation for the Brooklyn Rapid Transit Company, a major early 20th-century transit operator that helped develop Brooklyn’s subway and elevated rail system.
  • C. Metropolitano BRT system
    The Metropolitano BRT system is Lima’s main bus rapid transit network, featuring dedicated bus lanes and high-capacity articulated buses to provide faster, more efficient public transportation across the city.
  • D. METRO bus rapid transit
    METRO bus rapid transit is a high-frequency, limited-stop bus service in the Minneapolis–Saint Paul area designed to provide faster, more reliable transit similar to light rail.
  • E. Rea Vaya bus rapid transit
    Rea Vaya bus rapid transit is a bus rapid transit system in Johannesburg, South Africa, designed to provide fast, reliable public transport along dedicated lanes connecting major areas including Soweto and the city center.
  • 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: BRT
Triple: [Tehran Urban and Suburban Railway and Bus Company, hasPublicTransportSystem, BRT]
Generated description
BRT is Tehran’s bus rapid transit system, providing high-capacity, dedicated-lane bus services across the city.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: BRT
Target entity description: BRT is Tehran’s bus rapid transit system, providing high-capacity, dedicated-lane bus services across the city.
  • A. BRT
    BRT is the standard time zone used in much of eastern Brazil, including major cities like Brasília and Rio de Janeiro, typically three hours behind Coordinated Universal Time (UTC−3).
  • B. BRT
    BRT was the common abbreviation for the Brooklyn Rapid Transit Company, a major early 20th-century transit operator that helped develop Brooklyn’s subway and elevated rail system.
  • C. Metropolitano BRT system
    The Metropolitano BRT system is Lima’s main bus rapid transit network, featuring dedicated bus lanes and high-capacity articulated buses to provide faster, more efficient public transportation across the city.
  • D. METRO bus rapid transit
    METRO bus rapid transit is a high-frequency, limited-stop bus service in the Minneapolis–Saint Paul area designed to provide faster, more reliable transit similar to light rail.
  • E. Rea Vaya bus rapid transit
    Rea Vaya bus rapid transit is a bus rapid transit system in Johannesburg, South Africa, designed to provide fast, reliable public transport along dedicated lanes connecting major areas including Soweto and the city center.
  • 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_69ca82bb74848190afb1f18640632c10 completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cb438ff4e08190a9af0f3e6401c9b2 completed March 31, 2026, 3:46 a.m.
NED1 Entity disambiguation (via context triple) batch_69cc947303f881908e16af664fb74dc8 completed April 1, 2026, 3:43 a.m.
NEDg Description generation batch_69cca83322748190bdd532552d972089 completed April 1, 2026, 5:08 a.m.
NED2 Entity disambiguation (via description) batch_69cca913304c8190a0ce9c468d98269f completed April 1, 2026, 5:11 a.m.
Created at: March 30, 2026, 5:34 p.m.