Triple

T22523250
Position Surface form Disambiguated ID Type / Status
Subject St. Thomas Mount, Chennai E556831 entity
Predicate transportConnection P1298 FINISHED
Object Chennai Metro St. Thomas Mount station — NE NERFINISHED

How this triple was built (3 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 Metro St. Thomas Mount station | Statement: [St. Thomas Mount, Chennai, transportConnection, Chennai Metro St. Thomas Mount station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Chennai Metro St. Thomas Mount station
Context triple: [St. Thomas Mount, Chennai, transportConnection, Chennai Metro St. Thomas Mount station]
  • A. Chepauk MRTS station
    Chepauk MRTS station is an elevated suburban railway station in Chennai, India, serving the Mass Rapid Transit System near the Chepauk area and its prominent institutions.
  • B. Thirumayilai metro station
    Thirumayilai metro station is an elevated station on Chennai Metro’s Blue Line serving the Mylapore and Santhome areas of Chennai, India.
  • C. Chennai Central Metro
    Chennai Central Metro is a major underground interchange station in Chennai, India, connecting the Chennai Metro network with the city’s primary railway terminus and other urban transit services.
  • D. Saidapet metro station
    Saidapet metro station is an elevated station on Chennai Metro’s Blue Line serving the Saidapet neighborhood in Chennai, India.
  • E. Tambaram railway station
    Tambaram railway station is a major suburban and long-distance rail hub in the Chennai metropolitan area, serving as a key terminus and transit point for commuters and regional travelers in Tamil Nadu, India.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Chennai Metro St. Thomas Mount station
Target entity description: Chennai Metro St. Thomas Mount station is a major elevated metro terminal in Chennai that serves as an important interchange hub connecting the city’s metro, suburban rail, and other transport networks.
  • A. Chepauk MRTS station
    Chepauk MRTS station is an elevated suburban railway station in Chennai, India, serving the Mass Rapid Transit System near the Chepauk area and its prominent institutions.
  • B. Thirumayilai metro station
    Thirumayilai metro station is an elevated station on Chennai Metro’s Blue Line serving the Mylapore and Santhome areas of Chennai, India.
  • C. Chennai Central Metro
    Chennai Central Metro is a major underground interchange station in Chennai, India, connecting the Chennai Metro network with the city’s primary railway terminus and other urban transit services.
  • D. Saidapet metro station
    Saidapet metro station is an elevated station on Chennai Metro’s Blue Line serving the Saidapet neighborhood in Chennai, India.
  • E. Tambaram railway station
    Tambaram railway station is a major suburban and long-distance rail hub in the Chennai metropolitan area, serving as a key terminus and transit point for commuters and regional travelers in Tamil Nadu, India.
  • F. None of above. chosen

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_69e11e5657e881909f16ca58352c50da completed April 16, 2026, 5:37 p.m.
NER Named-entity recognition batch_69f15e338dfc819082e1eeede3805fb9 completed April 29, 2026, 1:26 a.m.
Created at: April 16, 2026, 8:50 p.m.