Triple

T23186386
Position Surface form Disambiguated ID Type / Status
Subject Sagrado Corazón area E579603 entity
Predicate isAccessibleBy P1985 FINISHED
Object Tren Urbano rail system
The Tren Urbano rail system is a rapid transit network serving the San Juan metropolitan area in Puerto Rico, providing urban rail transportation across key districts and suburbs.
 E1579395 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: Tren Urbano rail system | Statement: [Sagrado Corazón area, isAccessibleBy, Tren Urbano rail system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Tren Urbano rail system
Context triple: [Sagrado Corazón area, isAccessibleBy, Tren Urbano rail system]
  • A. Mi Tren light rail system
    The Mi Tren light rail system is an urban rail transit network serving the Guadalajara metropolitan area in Jalisco, Mexico.
  • B. 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.
  • C. Metrorail
    Metrorail is the rapid transit system serving the Washington, D.C. metropolitan area, operated by the Washington Metropolitan Area Transit Authority (WMATA).
  • D. Metrorail
    Metrorail is Miami-Dade County’s elevated rapid transit system that connects key neighborhoods, suburbs, and downtown Miami.
  • E. Metrorail
    Metrorail is a South African commuter rail service that operates urban and suburban passenger trains in major metropolitan areas across the country.
  • 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: Tren Urbano rail system
Triple: [Sagrado Corazón area, isAccessibleBy, Tren Urbano rail system]
Generated description
The Tren Urbano rail system is a rapid transit network serving the San Juan metropolitan area in Puerto Rico, providing urban rail transportation across key districts and suburbs.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Tren Urbano rail system
Target entity description: The Tren Urbano rail system is a rapid transit network serving the San Juan metropolitan area in Puerto Rico, providing urban rail transportation across key districts and suburbs.
  • A. Mi Tren light rail system
    The Mi Tren light rail system is an urban rail transit network serving the Guadalajara metropolitan area in Jalisco, Mexico.
  • B. 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.
  • C. Metrorail
    Metrorail is the rapid transit system serving the Washington, D.C. metropolitan area, operated by the Washington Metropolitan Area Transit Authority (WMATA).
  • D. Metrorail
    Metrorail is Miami-Dade County’s elevated rapid transit system that connects key neighborhoods, suburbs, and downtown Miami.
  • E. Metrorail
    Metrorail is a South African commuter rail service that operates urban and suburban passenger trains in major metropolitan areas across the country.
  • 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_69e245ff8000819090d12008805315b7 completed April 17, 2026, 2:38 p.m.
NER Named-entity recognition batch_69f18fd3aaa08190b9cf7afe4ee5a38d completed April 29, 2026, 4:57 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0c4c74851c8190a2dd8a8787ea1cb4 completed May 19, 2026, 11:41 a.m.
NEDg Description generation batch_6a0c4e669b6481909f198d1c51b68bf3 completed May 19, 2026, 11:49 a.m.
NED2 Entity disambiguation (via description) batch_6a0c4f011a188190b801f2ae0f134356 completed May 19, 2026, 11:52 a.m.
Created at: April 17, 2026, 4:05 p.m.