Triple

T2993799
Position Surface form Disambiguated ID Type / Status
Subject Pan Am Railways E81017 entity
Predicate operatedJointVenture P26627 FINISHED
Object Pan Am Southern
Pan Am Southern is a regional freight railroad network in the northeastern United States formed as a joint venture between Pan Am Railways and a Class I partner to enhance rail service and infrastructure across key New England and New York corridors.
E330385 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: Pan Am Southern | Statement: [Pan Am Railways, operatedJointVenture, Pan Am Southern]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Pan Am Southern
Context triple: [Pan Am Railways, operatedJointVenture, Pan Am Southern]
  • A. Pan American World Airways
    Pan American World Airways was a pioneering and iconic American international airline that helped popularize long-haul jet travel in the mid-20th century.
  • B. Union Airways
    Union Airways was an early South African airline that later became part of the national carrier, South African Airways.
  • C. Western Air Express
    Western Air Express was an early American airline that operated passenger and mail services in the western United States during the late 1920s and 1930s.
  • D. Eastern Air Lines
    Eastern Air Lines was a major U.S. airline that operated from the 1920s to the early 1990s, serving as one of the country’s largest and most influential carriers, particularly on East Coast and Latin American routes.
  • E. Pacific Western Airlines
    Pacific Western Airlines was a major Canadian regional and domestic carrier that operated from the mid-20th century until its 1987 merger into Canadian Airlines.
  • 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: Pan Am Southern
Triple: [Pan Am Railways, operatedJointVenture, Pan Am Southern]
Generated description
Pan Am Southern is a regional freight railroad network in the northeastern United States formed as a joint venture between Pan Am Railways and a Class I partner to enhance rail service and infrastructure across key New England and New York corridors.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Pan Am Southern
Target entity description: Pan Am Southern is a regional freight railroad network in the northeastern United States formed as a joint venture between Pan Am Railways and a Class I partner to enhance rail service and infrastructure across key New England and New York corridors.
  • A. Pan American World Airways
    Pan American World Airways was a pioneering and iconic American international airline that helped popularize long-haul jet travel in the mid-20th century.
  • B. Union Airways
    Union Airways was an early South African airline that later became part of the national carrier, South African Airways.
  • C. Western Air Express
    Western Air Express was an early American airline that operated passenger and mail services in the western United States during the late 1920s and 1930s.
  • D. Eastern Air Lines
    Eastern Air Lines was a major U.S. airline that operated from the 1920s to the early 1990s, serving as one of the country’s largest and most influential carriers, particularly on East Coast and Latin American routes.
  • E. Pacific Western Airlines
    Pacific Western Airlines was a major Canadian regional and domestic carrier that operated from the mid-20th century until its 1987 merger into Canadian Airlines.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: operatedJointVenture
Context triple: [Pan Am Railways, operatedJointVenture, Pan Am Southern]
  • A. hasJointVenture chosen
    Indicates that two or more entities are engaged together in a formally established joint business venture or collaborative commercial undertaking.
  • B. operatesInClosePartnershipWith
    Indicates a collaborative relationship in which two entities work together closely and continuously, coordinating their activities and decisions as near-partners.
  • C. operatedAmong
    Indicates that an entity carried out operations or activities within, or in coordination with, a specified group, set, or collection of other entities.
  • D. operatedAs
    Indicates that an entity functioned or was used in the capacity, role, or identity of another entity for some period of time.
  • E. operatedThrough
    Indicates that an action, process, or influence is carried out or mediated via a particular intermediary, channel, or mechanism.
  • F. None of above.

Provenance (6 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_69ad8b187fc8819085914d3c9ea3142d completed March 8, 2026, 2:43 p.m.
NER Named-entity recognition batch_69ad99e291e0819089f81c0a7d7a6cd9 completed March 8, 2026, 3:46 p.m.
NED1 Entity disambiguation (via context triple) batch_69b20f38a1548190bdddf65853632db1 completed March 12, 2026, 12:56 a.m.
NEDg Description generation batch_69b2102e35b08190ad9ca397f0c937da completed March 12, 2026, 1 a.m.
NED2 Entity disambiguation (via description) batch_69b21458b07081909d75886e0d9f88e9 completed March 12, 2026, 1:18 a.m.
PD Predicate disambiguation batch_69ad961403108190bbecb8d3608fd4e0 completed March 8, 2026, 3:30 p.m.
Created at: March 8, 2026, 2:59 p.m.