Triple

T21198251
Position Surface form Disambiguated ID Type / Status
Subject Minneapolis and St. Louis Railway E522381 entity
Predicate servedCity P3936 FINISHED
Object Mason City, Iowa E297655 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: Mason City, Iowa | Statement: [Minneapolis and St. Louis Railway, servedCity, Mason City, Iowa]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Mason City, Iowa
Context triple: [Minneapolis and St. Louis Railway, servedCity, Mason City, Iowa]
  • A. Mason City
    Mason City is a northern Iowa city known as the "River City," recognized for its musical heritage and notable Prairie School architecture, including works by Frank Lloyd Wright.
  • B. Mason City, Iowa, United States chosen
    Mason City, Iowa, United States, is a small Midwestern city best known as the hometown of composer and playwright Meredith Willson, creator of the musical "The Music Man."
  • C. Washington, Iowa
    Washington, Iowa is a small city in southeastern Iowa known for its historic downtown, agricultural surroundings, and role as a local commercial and cultural hub.
  • D. Marshalltown
    Marshalltown is a city in central Iowa that serves as a regional hub for industry, commerce, and transportation.
  • E. Marshalltown
    Marshalltown is an inner-city commercial and business district located within Johannesburg’s central business area in South Africa.
  • 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_69e0b51061388190aa03f19700d3ef04 completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e7333d6dec8190bbc66a71b31ea559 completed April 21, 2026, 8:20 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0997f119b08190aa7df6c1d0b83826 completed May 17, 2026, 10:26 a.m.
Created at: April 16, 2026, 3:16 p.m.