Triple

T19597460
Position Surface form Disambiguated ID Type / Status
Subject Kalady railway station E470383 entity
Predicate railwayDivision P1921 FINISHED
Object Thiruvananthapuram railway division — 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: Thiruvananthapuram railway division | Statement: [Kalady railway station, railwayDivision, Thiruvananthapuram railway division]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Thiruvananthapuram railway division
Context triple: [Kalady railway station, railwayDivision, Thiruvananthapuram railway division]
  • A. 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.
  • B. Thiruvananthapuram Central railway station
    Thiruvananthapuram Central railway station is the main and busiest railway hub of Kerala’s capital city, serving as a key terminus for long-distance and regional trains in southern India.
  • C. 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.
  • D. 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.
  • E. 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.
  • 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: Thiruvananthapuram railway division
Target entity description: Thiruvananthapuram railway division is an administrative division of Indian Railways under the Southern Railway zone, overseeing railway operations and infrastructure in parts of Kerala and neighboring regions.
  • A. 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.
  • B. Thiruvananthapuram Central railway station
    Thiruvananthapuram Central railway station is the main and busiest railway hub of Kerala’s capital city, serving as a key terminus for long-distance and regional trains in southern India.
  • C. 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.
  • D. 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.
  • E. 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.
  • 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_69d8e510024481908415c0d616fa6186 completed April 10, 2026, 11:54 a.m.
NER Named-entity recognition batch_69e6407b997881909762c8f919c9cdad completed April 20, 2026, 3:04 p.m.
Created at: April 10, 2026, 1:43 p.m.