Triple

T18884359
Position Surface form Disambiguated ID Type / Status
Subject Rameswaram–Mandapam rail line E461919 entity
Predicate division P889 FINISHED
Object Madurai railway division — 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: Madurai railway division | Statement: [Rameswaram–Mandapam rail line, division, Madurai railway division]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Madurai railway division
Context triple: [Rameswaram–Mandapam rail line, division, Madurai railway division]
  • A. Madurai railway division chosen
    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.
  • 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. Chennai railway division
    Chennai railway division is a major administrative division of Indian Railways responsible for operating and managing railway services in and around the Chennai region.
  • D. 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.
  • E. Tiruvarur Junction
    Tiruvarur Junction is a key railway station and transport hub in the town of Tiruvarur in Tamil Nadu, India, connecting several regional rail lines.
  • 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_69d8dcfc3430819095ee6fc0eb4c06a5 completed April 10, 2026, 11:20 a.m.
NER Named-entity recognition batch_69e5c3d3dcec8190a468162c6a4482f6 completed April 20, 2026, 6:12 a.m.
Created at: April 10, 2026, 11:57 a.m.