Triple

T413726
Position Surface form Disambiguated ID Type / Status
Subject Government of Chicago E9545 entity
Predicate hasDepartment P35 FINISHED
Object Chicago Department of Water Management
The Chicago Department of Water Management is the city agency responsible for providing, maintaining, and overseeing Chicago’s water supply and sewer infrastructure.
E9545 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 Department of Water Management | Statement: [Government of Chicago, hasDepartment, Chicago Department of Water Management]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chicago Department of Water Management
Context triple: [Government of Chicago, hasDepartment, Chicago Department of Water Management]
  • A. 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.
  • B. Portland Water Bureau
    The Portland Water Bureau is the municipal agency responsible for providing and managing the drinking water supply and related water services for the city of Portland, Oregon.
  • C. Government of Chicago
    The Government of Chicago is the municipal administration responsible for governing the city of Chicago, headed by the mayor and supported by various executive departments and agencies.
  • D. District of Columbia Water and Sewer Authority
    The District of Columbia Water and Sewer Authority is the public utility responsible for providing drinking water and wastewater services to Washington, D.C. and parts of the surrounding region.
  • E. New York City Department of Environmental Protection
    The New York City Department of Environmental Protection is the municipal agency responsible for managing the city’s water supply, wastewater treatment, and environmental regulation to protect public health and natural resources.
  • 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 Department of Water Management
Triple: [Government of Chicago, hasDepartment, Chicago Department of Water Management]
Generated description
The Chicago Department of Water Management is the city agency responsible for providing, maintaining, and overseeing Chicago’s water supply and sewer infrastructure.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Chicago Department of Water Management
Target entity description: The Chicago Department of Water Management is the city agency responsible for providing, maintaining, and overseeing Chicago’s water supply and sewer infrastructure.
  • A. 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.
  • B. Portland Water Bureau
    The Portland Water Bureau is the municipal agency responsible for providing and managing the drinking water supply and related water services for the city of Portland, Oregon.
  • C. Government of Chicago chosen
    The Government of Chicago is the municipal administration responsible for governing the city of Chicago, headed by the mayor and supported by various executive departments and agencies.
  • D. District of Columbia Water and Sewer Authority
    The District of Columbia Water and Sewer Authority is the public utility responsible for providing drinking water and wastewater services to Washington, D.C. and parts of the surrounding region.
  • E. New York City Department of Environmental Protection
    The New York City Department of Environmental Protection is the municipal agency responsible for managing the city’s water supply, wastewater treatment, and environmental regulation to protect public health and natural resources.
  • F. None of above.

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_69a2e80111fc8190961d5b7c6154123f completed Feb. 28, 2026, 1:05 p.m.
NER Named-entity recognition batch_69a2ecdd3d1c8190a31b071569cfc980 completed Feb. 28, 2026, 1:25 p.m.
NED1 Entity disambiguation (via context triple) batch_69a41b4ce1648190b1f46ba33d7cf946 completed March 1, 2026, 10:56 a.m.
NEDg Description generation batch_69a41bc18b388190ae97d97656294e7b completed March 1, 2026, 10:58 a.m.
NED2 Entity disambiguation (via description) batch_69a422983e708190904cd891d3996338 completed March 1, 2026, 11:27 a.m.
Created at: Feb. 28, 2026, 1:09 p.m.