Triple

T5465526
Position Surface form Disambiguated ID Type / Status
Subject Menomonee River E122698 entity
Predicate managedBy P86 FINISHED
Object Milwaukee Metropolitan Sewerage District
The Milwaukee Metropolitan Sewerage District is a regional government agency responsible for wastewater treatment, flood management, and water quality protection in the Milwaukee, Wisconsin area.
 E523201 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: Milwaukee Metropolitan Sewerage District | Statement: [Menomonee River, managedBy, Milwaukee Metropolitan Sewerage District]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Milwaukee Metropolitan Sewerage District
Context triple: [Menomonee River, managedBy, Milwaukee Metropolitan Sewerage District]
  • A. Metropolitan Water Reclamation District of Greater Chicago
    The Metropolitan Water Reclamation District of Greater Chicago is a special-purpose governmental agency responsible for wastewater treatment, stormwater management, and flood control across the Chicago metropolitan area.
  • B. Detroit Water and Sewerage Department
    The Detroit Water and Sewerage Department is the municipal agency responsible for providing water and wastewater services to Detroit and several surrounding communities.
  • C. Milwaukee
    Milwaukee is the largest city in Wisconsin, known for its brewing traditions, industrial history, and location on the western shore of Lake Michigan.
  • D. City of Wauwatosa
    The City of Wauwatosa is a suburban municipality in southeastern Wisconsin known for its residential neighborhoods, commercial districts, and proximity to Milwaukee.
  • E. Milwaukee Harbor
    Milwaukee Harbor is a commercial and recreational port area on Lake Michigan serving the city of Milwaukee, Wisconsin.
  • 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: Milwaukee Metropolitan Sewerage District
Triple: [Menomonee River, managedBy, Milwaukee Metropolitan Sewerage District]
Generated description
The Milwaukee Metropolitan Sewerage District is a regional government agency responsible for wastewater treatment, flood management, and water quality protection in the Milwaukee, Wisconsin area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Milwaukee Metropolitan Sewerage District
Target entity description: The Milwaukee Metropolitan Sewerage District is a regional government agency responsible for wastewater treatment, flood management, and water quality protection in the Milwaukee, Wisconsin area.
  • A. Metropolitan Water Reclamation District of Greater Chicago
    The Metropolitan Water Reclamation District of Greater Chicago is a special-purpose governmental agency responsible for wastewater treatment, stormwater management, and flood control across the Chicago metropolitan area.
  • B. Detroit Water and Sewerage Department
    The Detroit Water and Sewerage Department is the municipal agency responsible for providing water and wastewater services to Detroit and several surrounding communities.
  • C. Milwaukee
    Milwaukee is the largest city in Wisconsin, known for its brewing traditions, industrial history, and location on the western shore of Lake Michigan.
  • D. City of Wauwatosa
    The City of Wauwatosa is a suburban municipality in southeastern Wisconsin known for its residential neighborhoods, commercial districts, and proximity to Milwaukee.
  • E. Milwaukee Harbor
    Milwaukee Harbor is a commercial and recreational port area on Lake Michigan serving the city of Milwaukee, Wisconsin.
  • 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_69bd4643f16081908d7f29e08096115a completed March 20, 2026, 1:06 p.m.
NER Named-entity recognition batch_69bd920590b481909b92091678ff1414 completed March 20, 2026, 6:29 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf488b64d081908163edfff6484f5c completed March 22, 2026, 1:40 a.m.
NEDg Description generation batch_69bf49ed2e2081908642f700d97943e9 completed March 22, 2026, 1:46 a.m.
NED2 Entity disambiguation (via description) batch_69bf4abbf2488190a30dd222d0de0470 completed March 22, 2026, 1:49 a.m.
Created at: March 20, 2026, 2:08 p.m.