Triple

T2993798
Position Surface form Disambiguated ID Type / Status
Subject Pan Am Railways E81017 entity
Predicate operatedSubsidiary P9212 FINISHED
Object Springfield Terminal Railway E317515 NE FINISHED

How this triple was built (2 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: Springfield Terminal Railway | Statement: [Pan Am Railways, operatedSubsidiary, Springfield Terminal Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Springfield Terminal Railway
Context triple: [Pan Am Railways, operatedSubsidiary, Springfield Terminal Railway]
  • A. Springfield Terminal Railway chosen
    Springfield Terminal Railway was a regional New England railroad best known for its role as the operating subsidiary that underpinned the later Pan Am Railways system.
  • B. Springfield Amtrak station
    Springfield Amtrak station is a passenger rail station in downtown Springfield, Illinois, serving Amtrak trains on major routes through the region.
  • C. Durbin and Greenbrier Valley Railroad
    The Durbin and Greenbrier Valley Railroad is a heritage railroad in West Virginia that operates scenic tourist excursions through the Allegheny Mountains using historic locomotives and rolling stock.
  • D. Guilford Rail System
    Guilford Rail System was a major New England-based freight railroad company that consolidated several regional railroads under common ownership before rebranding as Pan Am Railways.
  • E. Springfield Union Station
    Springfield Union Station is a historic intermodal transportation hub in downtown Springfield, Massachusetts, serving as a major regional center for rail and bus travel.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69b12e3bac408190b09bafee840eb0d1 completed March 11, 2026, 8:56 a.m.
Created at: March 8, 2026, 2:59 p.m.