Triple

T9143024
Position Surface form Disambiguated ID Type / Status
Subject Flandreau, South Dakota, United States E219377 entity
Predicate namedAfter P63 FINISHED
Object Charles Eugene Flandrau
Charles Eugene Flandrau was a 19th-century American lawyer, judge, and politician known for his role in Minnesota’s early legal and political history.
E781038 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: Charles Eugene Flandrau | Statement: [Flandreau, South Dakota, United States, namedAfter, Charles Eugene Flandrau]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Charles Eugene Flandrau
Context triple: [Flandreau, South Dakota, United States, namedAfter, Charles Eugene Flandrau]
  • A. James Edward Keeler
    James Edward Keeler was an American astronomer noted for his pioneering spectroscopic studies of Saturn’s rings and for his influential role in late 19th-century astrophysical research.
  • B. George Willis Ritchey
    George Willis Ritchey was an American optician and telescope designer renowned for pioneering advanced reflecting telescope technologies in the early 20th century.
  • C. Edward Emerson Barnard
    Edward Emerson Barnard was an American astronomer renowned for his discoveries of comets, dark nebulae, and the high proper-motion star now known as Barnard's Star.
  • D. Louis H. Kepler
    Louis H. Kepler was an influential figure associated with the development or conservation of natural areas in Iowa, commemorated by having Palisades-Kepler State Park named in his honor.
  • E. Edward W. Washburn
    Edward W. Washburn was an American physical chemist known for his work in electrochemistry and thermodynamics and for mentoring future Nobel laureate Robert S. Mulliken.
  • 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: Charles Eugene Flandrau
Triple: [Flandreau, South Dakota, United States, namedAfter, Charles Eugene Flandrau]
Generated description
Charles Eugene Flandrau was a 19th-century American lawyer, judge, and politician known for his role in Minnesota’s early legal and political history.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Charles Eugene Flandrau
Target entity description: Charles Eugene Flandrau was a 19th-century American lawyer, judge, and politician known for his role in Minnesota’s early legal and political history.
  • A. James Edward Keeler
    James Edward Keeler was an American astronomer noted for his pioneering spectroscopic studies of Saturn’s rings and for his influential role in late 19th-century astrophysical research.
  • B. George Willis Ritchey
    George Willis Ritchey was an American optician and telescope designer renowned for pioneering advanced reflecting telescope technologies in the early 20th century.
  • C. Edward Emerson Barnard
    Edward Emerson Barnard was an American astronomer renowned for his discoveries of comets, dark nebulae, and the high proper-motion star now known as Barnard's Star.
  • D. Louis H. Kepler
    Louis H. Kepler was an influential figure associated with the development or conservation of natural areas in Iowa, commemorated by having Palisades-Kepler State Park named in his honor.
  • E. Edward W. Washburn
    Edward W. Washburn was an American physical chemist known for his work in electrochemistry and thermodynamics and for mentoring future Nobel laureate Robert S. Mulliken.
  • 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_69ca83e121dc81909912bd66953081c5 completed March 30, 2026, 2:08 p.m.
NER Named-entity recognition batch_69cca8f5f740819098236ada5b95889d completed April 1, 2026, 5:11 a.m.
NED1 Entity disambiguation (via context triple) batch_69d048186cc88190be4f515c16c20450 completed April 3, 2026, 11:07 p.m.
NEDg Description generation batch_69d0496672a881909c1ac91a7ec1a2a1 completed April 3, 2026, 11:12 p.m.
NED2 Entity disambiguation (via description) batch_69d04a35451881909dfe6795b743b026 completed April 3, 2026, 11:16 p.m.
Created at: March 30, 2026, 7:19 p.m.