Triple

T21230602
Position Surface form Disambiguated ID Type / Status
Subject Milwaukee Metropolitan Sewerage District E523201 entity
Predicate operatesFacility P4904 FINISHED
Object Jones Island Water Reclamation Facility
Jones Island Water Reclamation Facility is a major wastewater treatment plant in Milwaukee, Wisconsin, known as one of the world’s first large-scale activated sludge treatment facilities.
 E1473684 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: Jones Island Water Reclamation Facility | Statement: [Milwaukee Metropolitan Sewerage District, operatesFacility, Jones Island Water Reclamation Facility]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Jones Island Water Reclamation Facility
Context triple: [Milwaukee Metropolitan Sewerage District, operatesFacility, Jones Island Water Reclamation Facility]
  • A. Deer Island Wastewater Treatment Plant
    Deer Island Wastewater Treatment Plant is a major sewage treatment facility in Boston Harbor that serves the Greater Boston area and plays a key role in improving the region’s water quality.
  • B. Blue Plains Advanced Wastewater Treatment Plant
    The Blue Plains Advanced Wastewater Treatment Plant is a major wastewater treatment facility in Washington, D.C., recognized as one of the largest and most advanced of its kind in the world.
  • C. Southeast Treatment Plant
    The Southeast Treatment Plant is a major wastewater treatment facility in San Francisco that processes and treats sewage to protect public health and the environment.
  • D. Bowery Bay Wastewater Treatment Plant
    Bowery Bay Wastewater Treatment Plant is a New York City wastewater treatment facility that processes sewage and helps protect water quality in the Bowery Bay and East River area of Queens.
  • E. Virginia Key Wastewater Treatment Plant
    The Virginia Key Wastewater Treatment Plant is a major sewage treatment facility serving the Miami area, located on Virginia Key in Florida.
  • 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: Jones Island Water Reclamation Facility
Triple: [Milwaukee Metropolitan Sewerage District, operatesFacility, Jones Island Water Reclamation Facility]
Generated description
Jones Island Water Reclamation Facility is a major wastewater treatment plant in Milwaukee, Wisconsin, known as one of the world’s first large-scale activated sludge treatment facilities.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Jones Island Water Reclamation Facility
Target entity description: Jones Island Water Reclamation Facility is a major wastewater treatment plant in Milwaukee, Wisconsin, known as one of the world’s first large-scale activated sludge treatment facilities.
  • A. Deer Island Wastewater Treatment Plant
    Deer Island Wastewater Treatment Plant is a major sewage treatment facility in Boston Harbor that serves the Greater Boston area and plays a key role in improving the region’s water quality.
  • B. Blue Plains Advanced Wastewater Treatment Plant
    The Blue Plains Advanced Wastewater Treatment Plant is a major wastewater treatment facility in Washington, D.C., recognized as one of the largest and most advanced of its kind in the world.
  • C. Southeast Treatment Plant
    The Southeast Treatment Plant is a major wastewater treatment facility in San Francisco that processes and treats sewage to protect public health and the environment.
  • D. Bowery Bay Wastewater Treatment Plant
    Bowery Bay Wastewater Treatment Plant is a New York City wastewater treatment facility that processes sewage and helps protect water quality in the Bowery Bay and East River area of Queens.
  • E. Virginia Key Wastewater Treatment Plant
    The Virginia Key Wastewater Treatment Plant is a major sewage treatment facility serving the Miami area, located on Virginia Key in Florida.
  • 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_69e0b512ad94819087942b2ed925185f completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e734af3d508190b3359d14496370b6 completed April 21, 2026, 8:26 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0986eb78208190b950f2c27d90f2d8 completed May 17, 2026, 9:14 a.m.
NEDg Description generation batch_6a09876a38788190b2cef66b9d0c2f73 completed May 17, 2026, 9:16 a.m.
NED2 Entity disambiguation (via description) batch_6a09881c2d4c8190ab2cdf5dc99a43b0 completed May 17, 2026, 9:19 a.m.
Created at: April 16, 2026, 3:45 p.m.