Triple

T11613035
Position Surface form Disambiguated ID Type / Status
Subject Metropolitan Waterworks and Sewerage System E275431 entity
Predicate regulates P46 FINISHED
Object Maynilad Water Services, Inc.
Maynilad Water Services, Inc. is a major private water and wastewater service provider responsible for supplying and managing water services in the West Zone of Metro Manila, Philippines.
E936709 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: Maynilad Water Services, Inc. | Statement: [Metropolitan Waterworks and Sewerage System, regulates, Maynilad Water Services, Inc.]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Maynilad Water Services, Inc.
Context triple: [Metropolitan Waterworks and Sewerage System, regulates, Maynilad Water Services, Inc.]
  • 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. Angat–Ipo–La Mesa water system
    The Angat–Ipo–La Mesa water system is a major integrated water supply network in the Philippines that sources, stores, and conveys water from the Angat and Ipo dams to the La Mesa watershed and treatment facilities serving Metro Manila.
  • C. 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.
  • D. Maligaya Development Corporation
    Maligaya Development Corporation is a Philippine company known for managing and operating large-scale venues and facilities, including the Philippine Arena.
  • E. Laguna Lake Development Authority
    The Laguna Lake Development Authority is a Philippine government agency responsible for the sustainable management, development, and environmental protection of the Laguna de Bay region and its watershed.
  • 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: Maynilad Water Services, Inc.
Triple: [Metropolitan Waterworks and Sewerage System, regulates, Maynilad Water Services, Inc.]
Generated description
Maynilad Water Services, Inc. is a major private water and wastewater service provider responsible for supplying and managing water services in the West Zone of Metro Manila, Philippines.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Maynilad Water Services, Inc.
Target entity description: Maynilad Water Services, Inc. is a major private water and wastewater service provider responsible for supplying and managing water services in the West Zone of Metro Manila, Philippines.
  • 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. Angat–Ipo–La Mesa water system
    The Angat–Ipo–La Mesa water system is a major integrated water supply network in the Philippines that sources, stores, and conveys water from the Angat and Ipo dams to the La Mesa watershed and treatment facilities serving Metro Manila.
  • C. 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.
  • D. Maligaya Development Corporation
    Maligaya Development Corporation is a Philippine company known for managing and operating large-scale venues and facilities, including the Philippine Arena.
  • E. Laguna Lake Development Authority
    The Laguna Lake Development Authority is a Philippine government agency responsible for the sustainable management, development, and environmental protection of the Laguna de Bay region and its watershed.
  • 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_69d6aaf84b548190ac072e4fb89ae18f completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d8a044a3088190b92f4674c2d0b443 completed April 10, 2026, 7:01 a.m.
NED1 Entity disambiguation (via context triple) batch_69e8a84161d88190a3e810d19d6ea8b8 completed April 22, 2026, 10:51 a.m.
NEDg Description generation batch_69e8af9665648190b7732076aa129671 completed April 22, 2026, 11:23 a.m.
NED2 Entity disambiguation (via description) batch_69ee5b41febc8190bc37672535735710 completed April 26, 2026, 6:36 p.m.
Created at: April 8, 2026, 9:38 p.m.