Triple

T11639495
Position Surface form Disambiguated ID Type / Status
Subject Aurora Winter Train E276622 entity
Predicate operator P179 FINISHED
Object Alaska Railroad E56622 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: Alaska Railroad | Statement: [Aurora Winter Train, operator, Alaska Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Alaska Railroad
Context triple: [Aurora Winter Train, operator, Alaska Railroad]
  • A. Alaska Railroad chosen
    The Alaska Railroad is a state-owned railway system in Alaska that provides passenger and freight services across key regions including Anchorage, Fairbanks, and coastal ports.
  • B. Alaska Northern Railway
    The Alaska Northern Railway was an early 20th-century rail line in Alaska that laid much of the groundwork for what later became the Alaska Railroad.
  • C. Copper River and Northwestern Railway
    The Copper River and Northwestern Railway was an early 20th-century Alaskan railroad built primarily to haul copper ore from the remote Kennecott mines to the coastal port of Cordova.
  • D. Tanana Valley Railroad
    The Tanana Valley Railroad was a narrow-gauge railway in interior Alaska that played a key role in the early development and transportation infrastructure of the Fairbanks region in the early 20th century.
  • E. Northern Pacific
    The Northern Pacific is the northern portion of the Pacific Ocean, encompassing vast open waters and numerous island groups and archipelagos across the Northern Hemisphere.
  • 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_69d6aafa51148190ab84940694c00235 completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d8a25e90c08190b7fb73939a2be3d7 completed April 10, 2026, 7:10 a.m.
NED1 Entity disambiguation (via context triple) batch_69f5f631efb4819096ad6ee0c87fa7a7 completed May 2, 2026, 1:03 p.m.
Created at: April 8, 2026, 9:39 p.m.