Triple

T20696
Position Surface form Disambiguated ID Type / Status
Subject Great Chicago Fire of 1871 E410 entity
Predicate destroyedStructure P993 FINISHED
Object Chicago waterworks
Chicago waterworks was a 19th-century municipal water supply facility in Chicago that became historically notable after being largely destroyed in the Great Chicago Fire of 1871.
 E3740 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: Chicago waterworks | Statement: [Great Chicago Fire of 1871, destroyedStructure, Chicago waterworks]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Chicago waterworks
Context triple: [Great Chicago Fire of 1871, destroyedStructure, Chicago waterworks]
  • A. Chicago Lakefront
    Chicago Lakefront is the scenic shoreline area along Lake Michigan in Chicago, known for its parks, beaches, trails, and iconic skyline views.
  • B. Navy Pier
    Navy Pier is a historic lakefront entertainment and cultural destination in Chicago featuring attractions like rides, restaurants, theaters, and exhibition spaces along Lake Michigan.
  • C. Chicago, Illinois, United States
    Chicago, Illinois, United States is a major Midwestern metropolis known for its influential architecture, cultural institutions, and role as a historic center of industry and commerce.
  • D. Millennium Park
    Millennium Park is a major public park and cultural attraction in downtown Chicago known for its modern art installations, architecture, and outdoor events.
  • E. Chicago Surface Lines
    Chicago Surface Lines was a privately operated streetcar and bus system that provided most of Chicago’s surface public transportation in the first half of the 20th century.
  • 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: Chicago waterworks
Triple: [Great Chicago Fire of 1871, destroyedStructure, Chicago waterworks]
Generated description
Chicago waterworks was a 19th-century municipal water supply facility in Chicago that became historically notable after being largely destroyed in the Great Chicago Fire of 1871.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Chicago waterworks
Target entity description: Chicago waterworks was a 19th-century municipal water supply facility in Chicago that became historically notable after being largely destroyed in the Great Chicago Fire of 1871.
  • A. Chicago Lakefront
    Chicago Lakefront is the scenic shoreline area along Lake Michigan in Chicago, known for its parks, beaches, trails, and iconic skyline views.
  • B. Navy Pier
    Navy Pier is a historic lakefront entertainment and cultural destination in Chicago featuring attractions like rides, restaurants, theaters, and exhibition spaces along Lake Michigan.
  • C. Chicago, Illinois, United States
    Chicago, Illinois, United States is a major Midwestern metropolis known for its influential architecture, cultural institutions, and role as a historic center of industry and commerce.
  • D. Millennium Park
    Millennium Park is a major public park and cultural attraction in downtown Chicago known for its modern art installations, architecture, and outdoor events.
  • E. Chicago Surface Lines
    Chicago Surface Lines was a privately operated streetcar and bus system that provided most of Chicago’s surface public transportation in the first half of the 20th century.
  • 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_69a240778d288190815c0052ebbbcc91 completed Feb. 28, 2026, 1:10 a.m.
NER Named-entity recognition batch_69a2481e91c88190ad0fb09cddc5f446 completed Feb. 28, 2026, 1:42 a.m.
NED1 Entity disambiguation (via context triple) batch_69a24e57e3fc8190a3ce561a4692115c completed Feb. 28, 2026, 2:09 a.m.
NEDg Description generation batch_69a24ede3374819089e7fae28c6c9d63 completed Feb. 28, 2026, 2:11 a.m.
NED2 Entity disambiguation (via description) batch_69a24fc8a2a881909e5ae2e03757fbec completed Feb. 28, 2026, 2:15 a.m.
Created at: Feb. 28, 2026, 1:14 a.m.