Triple

T7590146
Position Surface form Disambiguated ID Type / Status
Subject Coimbatore Junction railway station E179713 entity
Predicate railwayLine P848 FINISHED
Object Coimbatore–Mettupalayam line E676666 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: Coimbatore–Mettupalayam line | Statement: [Coimbatore Junction railway station, railwayLine, Coimbatore–Mettupalayam line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Coimbatore–Mettupalayam line
Context triple: [Coimbatore Junction railway station, railwayLine, Coimbatore–Mettupalayam line]
  • A. Tiruchirappalli–Dindigul line
    The Tiruchirappalli–Dindigul line is a key broad-gauge railway route in Tamil Nadu, India, connecting the major cities of Tiruchirappalli and Dindigul and serving as an important link in the Southern Railway network.
  • B. Chennai–Coimbatore line
    The Chennai–Coimbatore line is a major railway route in the Indian state of Tamil Nadu that connects the state capital Chennai with the industrial city of Coimbatore, serving as a key corridor for both passenger and freight traffic.
  • C. Tiruchirappalli–Madurai line
    The Tiruchirappalli–Madurai line is a key railway route in the Indian state of Tamil Nadu that connects the major cities of Tiruchirappalli and Madurai, serving as an important corridor for both passenger and freight traffic.
  • D. Coimbatore–Shoranur line chosen
    The Coimbatore–Shoranur line is a key broad-gauge railway route in southern India that connects Coimbatore in Tamil Nadu with Shoranur in Kerala, facilitating major passenger and freight movement between the two states.
  • E. Chennai–Tiruchirappalli line
    The Chennai–Tiruchirappalli line is a major electrified broad-gauge railway corridor in Tamil Nadu, India, connecting the state capital Chennai with the important inland city of Tiruchirappalli and forming part of the busy Southern Railway network.
  • 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_69c69f335248819093c1006f30513708 completed March 27, 2026, 3:16 p.m.
NER Named-entity recognition batch_69c6f9b615f481908b2fe7e8aaed81bc completed March 27, 2026, 9:42 p.m.
NED1 Entity disambiguation (via context triple) batch_69c87080c19c8190ba6a632f6f277621 completed March 29, 2026, 12:21 a.m.
Created at: March 27, 2026, 3:53 p.m.