Triple

T22638987
Position Surface form Disambiguated ID Type / Status
Subject Kuvam River E558766 entity
Predicate administrativeAuthority P86 FINISHED
Object Chennai Metropolitan Water Supply and Sewerage Board — NE NERFINISHED

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: Chennai Metropolitan Water Supply and Sewerage Board | Statement: [Kuvam River, administrativeAuthority, Chennai Metropolitan Water Supply and Sewerage Board]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Chennai Metropolitan Water Supply and Sewerage Board
Context triple: [Kuvam River, administrativeAuthority, Chennai Metropolitan Water Supply and Sewerage Board]
  • A. Chennai Metropolitan Water Supply and Sewerage Board chosen
    The Chennai Metropolitan Water Supply and Sewerage Board is the government agency responsible for providing and managing water supply and sewage services in the Chennai metropolitan area of India.
  • B. Tamil Nadu Water Supply and Drainage Board
    The Tamil Nadu Water Supply and Drainage Board is a state government agency responsible for planning, developing, and managing water supply and sewerage infrastructure across Tamil Nadu, India.
  • C. Hyderabad Metropolitan Water Supply and Sewerage Board
    The Hyderabad Metropolitan Water Supply and Sewerage Board is a government agency responsible for providing and regulating drinking water supply and sewerage services in the Hyderabad metropolitan area of India.
  • D. Tamil Nadu Municipal Administration and Water Supply Department
    The Tamil Nadu Municipal Administration and Water Supply Department is a state government department responsible for overseeing urban local bodies and managing water supply and sanitation services across Tamil Nadu.
  • E. Chennai Metropolitan Development Authority
    The Chennai Metropolitan Development Authority is the statutory body responsible for urban planning and development regulation across the Chennai metropolitan region in Tamil Nadu, India.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69e24547f7fc819086e2c4ba3b979657 completed April 17, 2026, 2:35 p.m.
NER Named-entity recognition batch_69f1700f9fac8190b82190a54be22413 completed April 29, 2026, 2:42 a.m.
Created at: April 17, 2026, 3:04 p.m.