Triple

T18290790
Position Surface form Disambiguated ID Type / Status
Subject Delhi–Ambala railway line E438106 entity
Predicate connectsTo P845 FINISHED
Object Delhi–Howrah main line 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: Delhi–Howrah main line | Statement: [Delhi–Ambala railway line, connectsTo, Delhi–Howrah main line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Delhi–Howrah main line
Context triple: [Delhi–Ambala railway line, connectsTo, Delhi–Howrah main line]
  • A. Howrah–Delhi main line chosen
    The Howrah–Delhi main line is one of India's busiest and most important railway corridors, connecting Kolkata (Howrah) with the national capital New Delhi and passing through major cities across northern and eastern India.
  • B. Delhi–Mumbai line
    The Delhi–Mumbai line is one of India’s busiest and most important railway corridors, connecting the national capital New Delhi with the financial hub Mumbai and passing through major cities in northern and western India.
  • C. Howrah–Nagpur–Mumbai line
    The Howrah–Nagpur–Mumbai line is a major Indian Railways trunk route connecting Kolkata (Howrah) in the east with Mumbai in the west via Nagpur, serving as a key corridor for both passenger and freight traffic across central India.
  • D. Howrah–Chennai main line
    The Howrah–Chennai main line is a major Indian Railways trunk route connecting Kolkata (Howrah) with Chennai along the eastern coast, serving as a key corridor for both passenger and freight traffic.
  • E. Mumbai–Ahmedabad–Delhi main line
    The Mumbai–Ahmedabad–Delhi main line is a major Indian Railways trunk route that connects Mumbai with Ahmedabad and Delhi, serving as a key corridor for long-distance passenger and freight traffic in western and northern India.
  • 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_69d8b914530c8190b4474d862a2b2a1b completed April 10, 2026, 8:47 a.m.
NER Named-entity recognition batch_69e500fee5248190928e68ddaa4d90d7 completed April 19, 2026, 4:21 p.m.
Created at: April 10, 2026, 10:35 a.m.