Triple

T19002652
Position Surface form Disambiguated ID Type / Status
Subject USRA Heavy Mountain 4-8-2 E464992 entity
Predicate regulator P46 FINISHED
Object United States Railroad Administration NE NERFINISHED

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: United States Railroad Administration | Statement: [USRA Heavy Mountain 4-8-2, regulator, United States Railroad Administration]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: United States Railroad Administration
Context triple: [USRA Heavy Mountain 4-8-2, regulator, United States Railroad Administration]
  • A. United States Railroad Administration chosen
    The United States Railroad Administration was the federal agency that temporarily nationalized and operated American railroads during World War I to improve efficiency and support the war effort.
  • B. Bureau of Railroads
    The Bureau of Railroads was a specialized division within the Interstate Commerce Commission responsible for regulating and overseeing railroad operations and practices in the United States.
  • C. Rock Island Railroad
    Rock Island Railroad was a major American railroad that operated across the Midwest and Southwest, known for its extensive freight and passenger services before its bankruptcy and liquidation in the 1980s.
  • D. United States Railway Association
    The United States Railway Association was a U.S. government-created corporation responsible for restructuring and revitalizing bankrupt northeastern railroads in the 1970s, most notably through the formation of Conrail.
  • E. Bureau of Public Works
    The Bureau of Public Works was a former Philippine government agency responsible for planning, constructing, and maintaining public infrastructure such as roads and public buildings before being succeeded by the Department of Public Works and Highways.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69d8dd01a56c81909694a128c66b21d7 completed April 10, 2026, 11:20 a.m.
NER Named-entity recognition batch_69e5d6a252588190a40398b1879fb096 completed April 20, 2026, 7:32 a.m.
Created at: April 10, 2026, 12:01 p.m.