Triple

T20213437
Position Surface form Disambiguated ID Type / Status
Subject Howrah–Sahibganj loop E493550 entity
Predicate partOf P40 FINISHED
Object Howrah–Delhi main rail corridor E520995 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: Howrah–Delhi main rail corridor | Statement: [Howrah–Sahibganj loop, partOf, Howrah–Delhi main rail corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Howrah–Delhi main rail corridor
Context triple: [Howrah–Sahibganj loop, partOf, Howrah–Delhi main rail corridor]
  • 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. Howrah–Mumbai rail corridor
    The Howrah–Mumbai rail corridor is a major Indian railway route connecting Kolkata (Howrah) with Mumbai, serving as a key trunk line for passenger and freight traffic across eastern, central, and western India.
  • C. Delhi–Kolkata rail corridor
    The Delhi–Kolkata rail corridor is one of India’s busiest and most important railway routes, linking the national capital with the eastern metropolis through major northern and eastern cities.
  • D. 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.
  • E. Delhi–Bengaluru railway route
    The Delhi–Bengaluru railway route is a major long-distance rail corridor in India connecting the national capital Delhi with the southern metropolis of Bengaluru, passing through several key cities and states along the way.
  • 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_69da6269614c8190bb40475d9d477358 completed April 11, 2026, 3:02 p.m.
NER Named-entity recognition batch_69e66ed6fe888190b553ba6879cb2d8d completed April 20, 2026, 6:22 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0843f2768c8190b54054fc00c84332 completed May 16, 2026, 10:16 a.m.
Created at: April 11, 2026, 11:38 p.m.