Triple

T11845657
Position Surface form Disambiguated ID Type / Status
Subject Calumet Historic District E281767 entity
Predicate contains P35 FINISHED
Object Calumet & Hecla Mining Company office building
The Calumet & Hecla Mining Company office building is a historic administrative structure that served as the headquarters for one of Michigan’s most important copper mining companies in the late 19th and early 20th centuries.
 E949314 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: Calumet & Hecla Mining Company office building | Statement: [Calumet Historic District, contains, Calumet & Hecla Mining Company office building]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Calumet & Hecla Mining Company office building
Context triple: [Calumet Historic District, contains, Calumet & Hecla Mining Company office building]
  • A. Hearst Memorial Mining Building
    The Hearst Memorial Mining Building is a historic Beaux-Arts academic structure at the University of California, Berkeley, renowned for its architectural significance and role in engineering education.
  • B. Michigan Consolidated Gas Company Building
    The Michigan Consolidated Gas Company Building is a modernist high-rise office tower in Detroit, Michigan, designed by architect Minoru Yamasaki and noted for its elegant, minimalist façade.
  • C. McClurg Building
    The McClurg Building is a historic Chicago commercial structure recognized as a significant example of early skyscraper design by the architectural firm Holabird & Roche.
  • D. Marquette Building
    The Marquette Building is a landmark early Chicago School skyscraper in downtown Chicago, celebrated for its steel-frame construction and richly ornamented terra-cotta and mosaic detailing.
  • E. Howard Building
    Howard Building is an academic facility on Sheffield Hallam University’s city campus, housing teaching spaces and university departments.
  • 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: Calumet & Hecla Mining Company office building
Triple: [Calumet Historic District, contains, Calumet & Hecla Mining Company office building]
Generated description
The Calumet & Hecla Mining Company office building is a historic administrative structure that served as the headquarters for one of Michigan’s most important copper mining companies in the late 19th and early 20th centuries.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Calumet & Hecla Mining Company office building
Target entity description: The Calumet & Hecla Mining Company office building is a historic administrative structure that served as the headquarters for one of Michigan’s most important copper mining companies in the late 19th and early 20th centuries.
  • A. Hearst Memorial Mining Building
    The Hearst Memorial Mining Building is a historic Beaux-Arts academic structure at the University of California, Berkeley, renowned for its architectural significance and role in engineering education.
  • B. Michigan Consolidated Gas Company Building
    The Michigan Consolidated Gas Company Building is a modernist high-rise office tower in Detroit, Michigan, designed by architect Minoru Yamasaki and noted for its elegant, minimalist façade.
  • C. McClurg Building
    The McClurg Building is a historic Chicago commercial structure recognized as a significant example of early skyscraper design by the architectural firm Holabird & Roche.
  • D. Marquette Building
    The Marquette Building is a landmark early Chicago School skyscraper in downtown Chicago, celebrated for its steel-frame construction and richly ornamented terra-cotta and mosaic detailing.
  • E. Howard Building
    Howard Building is an academic facility on Sheffield Hallam University’s city campus, housing teaching spaces and university departments.
  • 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_69d6ab287ba48190a5178779fd19b9b7 completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d8a65b5ff08190bb58361f6a6acdca completed April 10, 2026, 7:27 a.m.
NED1 Entity disambiguation (via context triple) batch_69f167a876048190aeeeccebae9e46ad completed April 29, 2026, 2:06 a.m.
NEDg Description generation batch_69f17005c318819090e54bc64d135477 completed April 29, 2026, 2:42 a.m.
NED2 Entity disambiguation (via description) batch_69f17814de1881908973af026af5d1d1 completed April 29, 2026, 3:16 a.m.
Created at: April 8, 2026, 9:43 p.m.