Triple

T9894336
Position Surface form Disambiguated ID Type / Status
Subject Metropolitan District Commission (Massachusetts) E181530 entity
Predicate hasPart P35 FINISHED
Object Metropolitan Sewerage Division
The Metropolitan Sewerage Division was a regional public agency in Massachusetts responsible for managing and treating wastewater and sewage infrastructure within the jurisdiction of the Metropolitan District Commission.
E828567 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: Metropolitan Sewerage Division | Statement: [Metropolitan District Commission (Massachusetts), hasPart, Metropolitan Sewerage Division]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Metropolitan Sewerage Division
Context triple: [Metropolitan District Commission (Massachusetts), hasPart, Metropolitan Sewerage Division]
  • A. Metropolitan Waterworks and Sewerage System
    The Metropolitan Waterworks and Sewerage System is a Philippine government agency responsible for providing and regulating water supply and sewerage services in Metro Manila and nearby areas.
  • B. Metropolitan Council’s wastewater authority
    Metropolitan Council’s wastewater authority is the regional public utility responsible for collecting and treating wastewater for the Twin Cities metropolitan area in Minnesota.
  • C. 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.
  • D. Eastpoint Water and Sewer District
    Eastpoint Water and Sewer District is a local special district in Franklin County, Florida, responsible for providing water and sewer services to the Eastpoint community.
  • E. 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.
  • 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: Metropolitan Sewerage Division
Triple: [Metropolitan District Commission (Massachusetts), hasPart, Metropolitan Sewerage Division]
Generated description
The Metropolitan Sewerage Division was a regional public agency in Massachusetts responsible for managing and treating wastewater and sewage infrastructure within the jurisdiction of the Metropolitan District Commission.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Metropolitan Sewerage Division
Target entity description: The Metropolitan Sewerage Division was a regional public agency in Massachusetts responsible for managing and treating wastewater and sewage infrastructure within the jurisdiction of the Metropolitan District Commission.
  • A. Metropolitan Waterworks and Sewerage System
    The Metropolitan Waterworks and Sewerage System is a Philippine government agency responsible for providing and regulating water supply and sewerage services in Metro Manila and nearby areas.
  • B. Metropolitan Council’s wastewater authority
    Metropolitan Council’s wastewater authority is the regional public utility responsible for collecting and treating wastewater for the Twin Cities metropolitan area in Minnesota.
  • C. 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.
  • D. Eastpoint Water and Sewer District
    Eastpoint Water and Sewer District is a local special district in Franklin County, Florida, responsible for providing water and sewer services to the Eastpoint community.
  • E. 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.
  • 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_69ca8283a6708190801af7a25a7ebb9f completed March 30, 2026, 2:02 p.m.
NER Named-entity recognition batch_69cdb4a89e148190901753e67483d72c completed April 2, 2026, 12:13 a.m.
NED1 Entity disambiguation (via context triple) batch_69d1eb0d984c81908408f90f156624e5 completed April 5, 2026, 4:54 a.m.
NEDg Description generation batch_69d1edaceb608190a75e738a34c6d16f completed April 5, 2026, 5:05 a.m.
NED2 Entity disambiguation (via description) batch_69d1ee5b837c8190b294a78cebf141ae completed April 5, 2026, 5:08 a.m.
Created at: March 30, 2026, 8:39 p.m.