Triple

T18550103
Position Surface form Disambiguated ID Type / Status
Subject Paramakudi E453349 entity
Predicate railwayLine P848 FINISHED
Object Chennai–Rameswaram line 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–Rameswaram line | Statement: [Paramakudi, railwayLine, Chennai–Rameswaram line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Chennai–Rameswaram line
Context triple: [Paramakudi, railwayLine, Chennai–Rameswaram line]
  • A. Chennai–Madurai line
    The Chennai–Madurai line is a major railway route in the Indian state of Tamil Nadu that connects the capital city Chennai with the important cultural and commercial center of Madurai.
  • B. Chennai Central–Arakkonam line
    The Chennai Central–Arakkonam line is a major suburban and intercity railway corridor in Tamil Nadu, India, connecting Chennai with the town of Arakkonam and forming part of the busy Chennai railway network.
  • C. 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.
  • D. 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.
  • E. 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.
  • 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–Rameswaram line
Target entity description: The Chennai–Rameswaram line is a major railway route in the Indian state of Tamil Nadu that connects the state capital Chennai with the pilgrimage island town of Rameswaram, passing through several key inland towns.
  • A. Chennai–Madurai line
    The Chennai–Madurai line is a major railway route in the Indian state of Tamil Nadu that connects the capital city Chennai with the important cultural and commercial center of Madurai.
  • B. Chennai Central–Arakkonam line
    The Chennai Central–Arakkonam line is a major suburban and intercity railway corridor in Tamil Nadu, India, connecting Chennai with the town of Arakkonam and forming part of the busy Chennai railway network.
  • C. 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.
  • D. 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.
  • E. 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.
  • 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_69d8d388b0c881908e610a1c45b52640 completed April 10, 2026, 10:40 a.m.
NER Named-entity recognition batch_69e534beeb408190a03f6d7c3f2ef389 completed April 19, 2026, 8:02 p.m.
Created at: April 10, 2026, 11:38 a.m.