Triple

T290
Position Surface form Disambiguated ID Type / Status
Subject Douglas Engelbart E5 entity
Predicate placeOfDeath P21 FINISHED
Object Atherton, California, United States
Atherton, California, United States is an affluent, primarily residential town in Silicon Valley known for its large estates and status as one of the wealthiest communities in the country.
 E289 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: Atherton, California, United States | Statement: [Douglas Engelbart, placeOfDeath, Atherton, California, United States]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Atherton, California, United States
Context triple: [Douglas Engelbart, placeOfDeath, Atherton, California, United States]
  • A. Portland, Oregon, United States
    Portland, Oregon, United States is a major Pacific Northwest city known for its vibrant arts scene, progressive culture, and lush natural surroundings.
  • B. California, United States
    California, United States is a large and populous U.S. state on the West Coast known for its diverse geography, major technology and entertainment industries, and cultural and economic influence.
  • C. Everett, Massachusetts, United States
    Everett, Massachusetts, United States, is a small industrial city just north of Boston known historically for its manufacturing base and as the birthplace of influential engineer and science administrator Vannevar Bush.
  • D. Belmont, Massachusetts, United States
    Belmont, Massachusetts, United States, is a suburban town just west of Boston known for its affluent residential character and strong public schools.
  • E. Cambridge, Massachusetts
    Cambridge, Massachusetts is a historic and academically renowned city just outside Boston, best known for being home to world-leading universities and research institutions.
  • 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: Atherton, California, United States
Triple: [Douglas Engelbart, placeOfDeath, Atherton, California, United States]
Generated description
Atherton, California, United States is an affluent, primarily residential town in Silicon Valley known for its large estates and status as one of the wealthiest communities in the country.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Atherton, California, United States
Target entity description: Atherton, California, United States is an affluent, primarily residential town in Silicon Valley known for its large estates and status as one of the wealthiest communities in the country.
  • A. Portland, Oregon, United States
    Portland, Oregon, United States is a major Pacific Northwest city known for its vibrant arts scene, progressive culture, and lush natural surroundings.
  • B. California, United States
    California, United States is a large and populous U.S. state on the West Coast known for its diverse geography, major technology and entertainment industries, and cultural and economic influence.
  • C. Everett, Massachusetts, United States
    Everett, Massachusetts, United States, is a small industrial city just north of Boston known historically for its manufacturing base and as the birthplace of influential engineer and science administrator Vannevar Bush.
  • D. Belmont, Massachusetts, United States
    Belmont, Massachusetts, United States, is a suburban town just west of Boston known for its affluent residential character and strong public schools.
  • E. Cambridge, Massachusetts
    Cambridge, Massachusetts is a historic and academically renowned city just outside Boston, best known for being home to world-leading universities and research institutions.
  • 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_69a222a954e48190b48f126a67485661 completed Feb. 27, 2026, 11:03 p.m.
NER Named-entity recognition batch_69a222fb8de081909985a8ceba17a89e completed Feb. 27, 2026, 11:04 p.m.
NED1 Entity disambiguation (via context triple) batch_69a238e0dd0c8190999b824f8f32b9d0 completed Feb. 28, 2026, 12:37 a.m.
NEDg Description generation batch_69a23cb1d34481909d877c8db2d0a500 completed Feb. 28, 2026, 12:54 a.m.
NED2 Entity disambiguation (via description) batch_69a23d0072008190b96d3324aeb5e46d completed Feb. 28, 2026, 12:55 a.m.
Created at: Feb. 27, 2026, 11:04 p.m.