Triple

T2520350
Position Surface form Disambiguated ID Type / Status
Subject La Mesa Eco Park E55506 entity
Predicate operator P179 FINISHED
Object 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.
E275431 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 Waterworks and Sewerage System | Statement: [La Mesa Eco Park, operator, Metropolitan Waterworks and Sewerage System]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Metropolitan Waterworks and Sewerage System
Context triple: [La Mesa Eco Park, operator, Metropolitan Waterworks and Sewerage System]
  • A. Puerto Rico Aqueducts and Sewers Authority
    The Puerto Rico Aqueducts and Sewers Authority is the public corporation responsible for providing and managing drinking water and wastewater services across Puerto Rico.
  • B. Pasig River Rehabilitation Commission
    The Pasig River Rehabilitation Commission is a Philippine government body tasked with restoring, managing, and overseeing the environmental rehabilitation and sustainable development of the Pasig River and its surrounding areas.
  • 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. 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. 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.
  • 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 Waterworks and Sewerage System
Triple: [La Mesa Eco Park, operator, Metropolitan Waterworks and Sewerage System]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Metropolitan Waterworks and Sewerage System
Target entity description: 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.
  • A. Puerto Rico Aqueducts and Sewers Authority
    The Puerto Rico Aqueducts and Sewers Authority is the public corporation responsible for providing and managing drinking water and wastewater services across Puerto Rico.
  • B. Pasig River Rehabilitation Commission
    The Pasig River Rehabilitation Commission is a Philippine government body tasked with restoring, managing, and overseeing the environmental rehabilitation and sustainable development of the Pasig River and its surrounding areas.
  • 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. 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. 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.
  • 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_69ab49e4749c8190813311efd1630f1b completed March 6, 2026, 9:40 p.m.
NER Named-entity recognition batch_69abd2343e3081908819dc58d8ff40ce completed March 7, 2026, 7:22 a.m.
NED1 Entity disambiguation (via context triple) batch_69af2ba2adc081908a0c7ff24db89de6 completed March 9, 2026, 8:20 p.m.
NEDg Description generation batch_69af51dee3508190a0d1608a7d905742 completed March 9, 2026, 11:03 p.m.
NED2 Entity disambiguation (via description) batch_69af52a97d008190b55491fa557eb729 completed March 9, 2026, 11:07 p.m.
Created at: March 6, 2026, 9:46 p.m.