Triple

T8255261
Position Surface form Disambiguated ID Type / Status
Subject Summit Tunnel in the Sierra Nevada E193054 entity
Predicate era P200 FINISHED
Object American Civil War and Reconstruction era E611649 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: American Civil War and Reconstruction era | Statement: [Summit Tunnel in the Sierra Nevada, era, American Civil War and Reconstruction era]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: American Civil War and Reconstruction era
Context triple: [Summit Tunnel in the Sierra Nevada, era, American Civil War and Reconstruction era]
  • A. American Civil War and Reconstruction era chosen
    The American Civil War and Reconstruction era was the mid-19th-century period in United States history marked by the Civil War (1861–1865) and the subsequent efforts to rebuild the South and redefine civil rights and federal-state relations.
  • B. American Civil War
    The American Civil War was a major 19th-century conflict fought from 1861 to 1865 between the Northern Union states and the Southern Confederate states, primarily over slavery and states’ rights, that reshaped the political and social landscape of the United States.
  • C. Civil War
    "Civil War" is a 2024 dystopian action-drama film written and directed by Alex Garland that follows a team of journalists documenting a near-future American conflict.
  • D. Civil War
    Civil War is a major Marvel Comics crossover event that pits superheroes against each other over government registration, dramatically reshaping alliances and the role of characters like T'Challa in the Marvel Universe.
  • E. Reconstruction era
    The Reconstruction era was the period following the American Civil War when the United States attempted to reintegrate the seceded Southern states and redefine the legal and social status of formerly enslaved people.
  • 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_69ca82dfad9c8190b8cd18fb89f50f40 completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cb78f9f680819088f1d56e0f98974f completed March 31, 2026, 7:34 a.m.
NED1 Entity disambiguation (via context triple) batch_69cd3553b48881909cc72e443aad9539 completed April 1, 2026, 3:10 p.m.
Created at: March 30, 2026, 5:48 p.m.