Triple

T14542173
Position Surface form Disambiguated ID Type / Status
Subject Vandalur railway station E341195 entity
Predicate railwayDivision P1921 FINISHED
Object Chennai railway division E337978 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: Chennai railway division | Statement: [Vandalur railway station, railwayDivision, Chennai railway division]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Chennai railway division
Context triple: [Vandalur railway station, railwayDivision, Chennai railway division]
  • A. Chennai railway division chosen
    Chennai railway division is a major administrative division of Indian Railways responsible for operating and managing railway services in and around the Chennai region.
  • B. Tiruchirappalli railway division
    Tiruchirappalli railway division is an administrative division of Indian Railways responsible for managing railway operations, infrastructure, and services in and around Tiruchirappalli in the Southern Railway zone.
  • C. Madurai railway division
    Madurai railway division is an administrative division of Indian Railways responsible for managing railway operations and infrastructure in and around Madurai in the state of Tamil Nadu.
  • D. Secunderabad railway division
    Secunderabad railway division is an administrative division of Indian Railways responsible for managing railway operations, infrastructure, and services in and around Secunderabad and parts of the surrounding region.
  • E. Bengaluru railway division
    Bengaluru railway division is an administrative division of Indian Railways responsible for managing railway operations, infrastructure, and services in and around Bengaluru.
  • 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_69d822db9c8481908213ceb39585f792 completed April 9, 2026, 10:06 p.m.
NER Named-entity recognition batch_69deb1be5a8081909bf727e28a5bba4a completed April 14, 2026, 9:29 p.m.
NED1 Entity disambiguation (via context triple) batch_69fd7a5eb85c8190a0c1696b63ddf8e1 completed May 8, 2026, 5:53 a.m.
Created at: April 10, 2026, 1:22 a.m.