Triple

T12375432
Position Surface form Disambiguated ID Type / Status
Subject Centralia, Washington E295110 entity
Predicate hasHistoricEvent P259 FINISHED
Object Centralia Massacre of 1919
The Centralia Massacre of 1919 was a violent clash between members of the Industrial Workers of the World (IWW) and American Legion veterans in Centralia, Washington, resulting in multiple deaths and becoming a notorious episode of post–World War I labor conflict and Red Scare–era repression in the United States.
E979380 NE FINISHED

How this triple was built (4 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: Centralia Massacre of 1919 | Statement: [Centralia, Washington, hasHistoricEvent, Centralia Massacre of 1919]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Centralia Massacre of 1919
Context triple: [Centralia, Washington, hasHistoricEvent, Centralia Massacre of 1919]
  • A. Bisbee riot of 1919
    The Bisbee riot of 1919 was a violent racial clash in Bisbee, Arizona, in which white residents attacked Black U.S. soldiers, reflecting the broader racial tensions and unrest of the Red Summer.
  • B. Pavonia Massacre
    The Pavonia Massacre was a 1643 attack by Dutch colonists on Lenape Native Americans in present-day Jersey City, New Jersey, that helped ignite the broader conflict known as Kieft's War.
  • C. Colfax massacre
    The Colfax massacre was an 1873 episode of racial and political violence in Louisiana in which white supremacists killed dozens of Black freedmen, marking one of the deadliest incidents of Reconstruction-era terror and undermining Black civil rights in the post–Civil War South.
  • D. Longview race riot
    The Longview race riot was a violent white supremacist attack on Black residents in Longview, Texas, in July 1919, and is remembered as one of the major racial conflicts of the Red Summer.
  • E. Matewan Massacre
    The Matewan Massacre was a 1920 violent confrontation between coal miners and company-hired lawmen in Matewan, West Virginia, that became a pivotal event in the American labor and unionization struggle.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Centralia Massacre of 1919
Triple: [Centralia, Washington, hasHistoricEvent, Centralia Massacre of 1919]
Generated description
The Centralia Massacre of 1919 was a violent clash between members of the Industrial Workers of the World (IWW) and American Legion veterans in Centralia, Washington, resulting in multiple deaths and becoming a notorious episode of post–World War I labor conflict and Red Scare–era repression in the United States.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Centralia Massacre of 1919
Target entity description: The Centralia Massacre of 1919 was a violent clash between members of the Industrial Workers of the World (IWW) and American Legion veterans in Centralia, Washington, resulting in multiple deaths and becoming a notorious episode of post–World War I labor conflict and Red Scare–era repression in the United States.
  • A. Bisbee riot of 1919
    The Bisbee riot of 1919 was a violent racial clash in Bisbee, Arizona, in which white residents attacked Black U.S. soldiers, reflecting the broader racial tensions and unrest of the Red Summer.
  • B. Pavonia Massacre
    The Pavonia Massacre was a 1643 attack by Dutch colonists on Lenape Native Americans in present-day Jersey City, New Jersey, that helped ignite the broader conflict known as Kieft's War.
  • C. Colfax massacre
    The Colfax massacre was an 1873 episode of racial and political violence in Louisiana in which white supremacists killed dozens of Black freedmen, marking one of the deadliest incidents of Reconstruction-era terror and undermining Black civil rights in the post–Civil War South.
  • D. Longview race riot
    The Longview race riot was a violent white supremacist attack on Black residents in Longview, Texas, in July 1919, and is remembered as one of the major racial conflicts of the Red Summer.
  • E. Matewan Massacre
    The Matewan Massacre was a 1920 violent confrontation between coal miners and company-hired lawmen in Matewan, West Virginia, that became a pivotal event in the American labor and unionization struggle.
  • F. None of above. chosen

Provenance (5 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_69d6ab6d8a4081908636601e69ddf262 completed April 8, 2026, 7:24 p.m.
NER Named-entity recognition batch_69d93fa8ca7c8190b3f8e9c2ec23e837 completed April 10, 2026, 6:21 p.m.
NED1 Entity disambiguation (via context triple) batch_69f62ac1e82c8190abb46ca5799e6680 completed May 2, 2026, 4:48 p.m.
NEDg Description generation batch_69f62ef1cc4481909bc9fc768a9ef1f2 completed May 2, 2026, 5:05 p.m.
NED2 Entity disambiguation (via description) batch_69f62f808b1481908f529decdbfc5be6 completed May 2, 2026, 5:08 p.m.
Created at: April 8, 2026, 9:54 p.m.