Triple

T5288105
Position Surface form Disambiguated ID Type / Status
Subject North Central Railway zone E119673 entity
Predicate majorRoute P385 FINISHED
Object New Delhi–Howrah trunk route (via Kanpur–Prayagraj)
The New Delhi–Howrah trunk route (via Kanpur–Prayagraj) is a key high-density railway corridor in India connecting the national capital with Kolkata through major northern and eastern cities.
E508045 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: New Delhi–Howrah trunk route (via Kanpur–Prayagraj) | Statement: [North Central Railway zone, majorRoute, New Delhi–Howrah trunk route (via Kanpur–Prayagraj)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: New Delhi–Howrah trunk route (via Kanpur–Prayagraj)
Context triple: [North Central Railway zone, majorRoute, New Delhi–Howrah trunk route (via Kanpur–Prayagraj)]
  • A. Delhi–Mumbai (via Ratlam) trunk route
    The Delhi–Mumbai (via Ratlam) trunk route is a major Indian Railways corridor connecting the national capital with the financial capital through central-western India, carrying heavy passenger and freight traffic.
  • B. 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.
  • C. Delhi–Moradabad–Bareilly–Lucknow line
    The Delhi–Moradabad–Bareilly–Lucknow line is a key Indian Railways route in northern India that connects the national capital Delhi with major cities in Uttar Pradesh, including Moradabad, Bareilly, and the state capital Lucknow.
  • D. Jabalpur–Nainpur–Gondia route
    The Jabalpur–Nainpur–Gondia route is a railway line in central India that connects Jabalpur in Madhya Pradesh with Gondia in Maharashtra, passing through the important junction town of Nainpur.
  • E. Agra–Bandikui–Jaipur line
    The Agra–Bandikui–Jaipur line is a key railway route in northern India that connects the historic city of Agra with Jaipur via Bandikui, serving as an important 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.
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: New Delhi–Howrah trunk route (via Kanpur–Prayagraj)
Triple: [North Central Railway zone, majorRoute, New Delhi–Howrah trunk route (via Kanpur–Prayagraj)]
Generated description
The New Delhi–Howrah trunk route (via Kanpur–Prayagraj) is a key high-density railway corridor in India connecting the national capital with Kolkata through major northern and eastern cities.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: New Delhi–Howrah trunk route (via Kanpur–Prayagraj)
Target entity description: The New Delhi–Howrah trunk route (via Kanpur–Prayagraj) is a key high-density railway corridor in India connecting the national capital with Kolkata through major northern and eastern cities.
  • A. Delhi–Mumbai (via Ratlam) trunk route
    The Delhi–Mumbai (via Ratlam) trunk route is a major Indian Railways corridor connecting the national capital with the financial capital through central-western India, carrying heavy passenger and freight traffic.
  • B. 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.
  • C. Delhi–Moradabad–Bareilly–Lucknow line
    The Delhi–Moradabad–Bareilly–Lucknow line is a key Indian Railways route in northern India that connects the national capital Delhi with major cities in Uttar Pradesh, including Moradabad, Bareilly, and the state capital Lucknow.
  • D. Jabalpur–Nainpur–Gondia route
    The Jabalpur–Nainpur–Gondia route is a railway line in central India that connects Jabalpur in Madhya Pradesh with Gondia in Maharashtra, passing through the important junction town of Nainpur.
  • E. Agra–Bandikui–Jaipur line
    The Agra–Bandikui–Jaipur line is a key railway route in northern India that connects the historic city of Agra with Jaipur via Bandikui, serving as an important corridor for both 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_69bd446de5648190b313a90bd96730d2 completed March 20, 2026, 12:58 p.m.
NER Named-entity recognition batch_69bd84db300c8190a63ac51552f0e9a6 completed March 20, 2026, 5:33 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf06ecf4748190ab2bdd672f4ab14d completed March 21, 2026, 9 p.m.
NEDg Description generation batch_69bf090aa7c88190a66694cec6d6a370 completed March 21, 2026, 9:09 p.m.
NED2 Entity disambiguation (via description) batch_69bf09d3b8148190b79bdf3cb77000b4 completed March 21, 2026, 9:12 p.m.
Created at: March 20, 2026, 1:52 p.m.