Triple

T5357780
Position Surface form Disambiguated ID Type / Status
Subject La Mesa Watershed E102741 entity
Predicate managedBy P86 FINISHED
Object Metropolitan Waterworks and Sewerage System E275431 NE FINISHED

How this triple was built (2 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 Watershed, managedBy, 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 Watershed, managedBy, Metropolitan Waterworks and Sewerage System]
  • A. Metropolitan Waterworks and Sewerage System chosen
    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 Water Works system
    The Metropolitan Water Works system is a historic public water supply network that provided drinking water to the Boston metropolitan area through an extensive system of reservoirs, aqueducts, and related infrastructure.
  • C. 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.
  • D. İZSU Water Utility
    İZSU Water Utility is the public water and wastewater management authority serving the city and metropolitan area of İzmir, Turkey.
  • E. 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.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69bd43d8f7248190b64c140734b5c9a8 completed March 20, 2026, 12:55 p.m.
NER Named-entity recognition batch_69bd863099b081909d20f7014b98de5a completed March 20, 2026, 5:38 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf291c89c8819084b9305c3bddc3c0 completed March 21, 2026, 11:26 p.m.
Created at: March 20, 2026, 2:01 p.m.