Triple

T21261034
Position Surface form Disambiguated ID Type / Status
Subject Kanpur–Mathura line E524000 entity
Predicate connectsTo P845 FINISHED
Object Delhi–Howrah route via Kanpur
The Delhi–Howrah route via Kanpur is a major trunk railway corridor in northern India that links the national capital Delhi with the eastern metropolis of Howrah (Kolkata) through the important junction city of Kanpur.
E1476409 NE FINISHED

How this triple was built (4 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 route via Kanpur | Statement: [Kanpur–Mathura line, connectsTo, Delhi–Howrah route via Kanpur]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Delhi–Howrah route via Kanpur
Context triple: [Kanpur–Mathura line, connectsTo, Delhi–Howrah route via Kanpur]
  • A. Varanasi–Lucknow line
    The Varanasi–Lucknow line is a key railway route in the Indian state of Uttar Pradesh that connects the major cities of Varanasi and Lucknow, serving as an important corridor for both passenger and freight traffic.
  • B. Howrah–Prayagraj–Mumbai line
    The Howrah–Prayagraj–Mumbai line is a major Indian Railways trunk route connecting Kolkata (Howrah) in the east with Mumbai in the west via Prayagraj, passing through key junctions across northern and central India.
  • C. New Delhi–Jhansi
    New Delhi–Jhansi is a major intercity rail corridor in northern India connecting the national capital with the historic city of Jhansi in Uttar Pradesh.
  • D. Varanasi–Jaunpur line
    The Varanasi–Jaunpur line is a railway route in the Indian state of Uttar Pradesh that connects the historic city of Varanasi with Jaunpur, serving as an important regional passenger and freight corridor.
  • E. Delhi–Kanpur section
    The Delhi–Kanpur section is a major railway corridor in northern India that connects the national capital Delhi with the industrial city of Kanpur, carrying heavy passenger and freight traffic.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Delhi–Howrah route via Kanpur
Triple: [Kanpur–Mathura line, connectsTo, Delhi–Howrah route via Kanpur]
Generated description
The Delhi–Howrah route via Kanpur is a major trunk railway corridor in northern India that links the national capital Delhi with the eastern metropolis of Howrah (Kolkata) through the important junction city of Kanpur.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Delhi–Howrah route via Kanpur
Target entity description: The Delhi–Howrah route via Kanpur is a major trunk railway corridor in northern India that links the national capital Delhi with the eastern metropolis of Howrah (Kolkata) through the important junction city of Kanpur.
  • A. Varanasi–Lucknow line
    The Varanasi–Lucknow line is a key railway route in the Indian state of Uttar Pradesh that connects the major cities of Varanasi and Lucknow, serving as an important corridor for both passenger and freight traffic.
  • B. Howrah–Prayagraj–Mumbai line
    The Howrah–Prayagraj–Mumbai line is a major Indian Railways trunk route connecting Kolkata (Howrah) in the east with Mumbai in the west via Prayagraj, passing through key junctions across northern and central India.
  • C. New Delhi–Jhansi
    New Delhi–Jhansi is a major intercity rail corridor in northern India connecting the national capital with the historic city of Jhansi in Uttar Pradesh.
  • D. Varanasi–Jaunpur line
    The Varanasi–Jaunpur line is a railway route in the Indian state of Uttar Pradesh that connects the historic city of Varanasi with Jaunpur, serving as an important regional passenger and freight corridor.
  • E. Delhi–Kanpur section
    The Delhi–Kanpur section is a major railway corridor in northern India that connects the national capital Delhi with the industrial city of Kanpur, carrying heavy passenger and freight traffic.
  • F. None of above. chosen

Provenance (5 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_69e0b5156d7881909bd4f83676590715 completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e735e6a0448190ad412a8fcbbd8ff0 completed April 21, 2026, 8:31 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0997f9ae4c81909793e59d89082abb completed May 17, 2026, 10:27 a.m.
NEDg Description generation batch_6a0998d6b37881908a1b09afc1f67746 completed May 17, 2026, 10:30 a.m.
NED2 Entity disambiguation (via description) batch_6a0999884e0481909b7ea54cd7ef87b5 completed May 17, 2026, 10:33 a.m.
Created at: April 16, 2026, 3:59 p.m.