Triple

T21143632
Position Surface form Disambiguated ID Type / Status
Subject CNB E520993 entity
Predicate isOnRoute P2127 FINISHED
Object Kanpur–Prayagraj section
The Kanpur–Prayagraj section is a key railway line in the Indian state of Uttar Pradesh that connects the major cities of Kanpur and Prayagraj and forms part of important national rail corridors.
 E1470929 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: Kanpur–Prayagraj section | Statement: [CNB, isOnRoute, Kanpur–Prayagraj section]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Kanpur–Prayagraj section
Context triple: [CNB, isOnRoute, Kanpur–Prayagraj section]
  • A. Varanasi–Allahabad section
    The Varanasi–Allahabad section is a key railway corridor in the Indian state of Uttar Pradesh that connects the major cities of Varanasi and Prayagraj (Allahabad) and serves numerous intermediate towns.
  • B. Agra–Etawah section
    The Agra–Etawah section is a key railway line in northern India that connects the historic city of Agra with Etawah, facilitating regional passenger and freight transport.
  • C. Agra–Kanpur section
    The Agra–Kanpur section is a key railway corridor in the Indian state of Uttar Pradesh that connects the major cities of Agra and Kanpur and forms part of the broader rail network linking northern India.
  • D. 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.
  • E. Allahabad–Jabalpur section
    The Allahabad–Jabalpur section is a major railway route in India that connects Allahabad (Prayagraj) in Uttar Pradesh with Jabalpur in Madhya Pradesh, serving as an important corridor for both passenger and freight trains.
  • 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: Kanpur–Prayagraj section
Triple: [CNB, isOnRoute, Kanpur–Prayagraj section]
Generated description
The Kanpur–Prayagraj section is a key railway line in the Indian state of Uttar Pradesh that connects the major cities of Kanpur and Prayagraj and forms part of important national rail corridors.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Kanpur–Prayagraj section
Target entity description: The Kanpur–Prayagraj section is a key railway line in the Indian state of Uttar Pradesh that connects the major cities of Kanpur and Prayagraj and forms part of important national rail corridors.
  • A. Varanasi–Allahabad section
    The Varanasi–Allahabad section is a key railway corridor in the Indian state of Uttar Pradesh that connects the major cities of Varanasi and Prayagraj (Allahabad) and serves numerous intermediate towns.
  • B. Agra–Etawah section
    The Agra–Etawah section is a key railway line in northern India that connects the historic city of Agra with Etawah, facilitating regional passenger and freight transport.
  • C. Agra–Kanpur section
    The Agra–Kanpur section is a key railway corridor in the Indian state of Uttar Pradesh that connects the major cities of Agra and Kanpur and forms part of the broader rail network linking northern India.
  • D. 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.
  • E. Allahabad–Jabalpur section
    The Allahabad–Jabalpur section is a major railway route in India that connects Allahabad (Prayagraj) in Uttar Pradesh with Jabalpur in Madhya Pradesh, serving as an important corridor for both passenger and freight trains.
  • 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_69e0b50c6a848190a4e525a77a319b8a completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e723fbb29881909c4036eab46ed440 completed April 21, 2026, 7:15 a.m.
NED1 Entity disambiguation (via context triple) batch_6a097567d30c81909ba385b44399d27b completed May 17, 2026, 7:59 a.m.
NEDg Description generation batch_6a0979383c0c8190ad806f9e97994965 completed May 17, 2026, 8:15 a.m.
NED2 Entity disambiguation (via description) batch_6a0979f4018881909e2944d4e48a26b7 completed May 17, 2026, 8:19 a.m.
Created at: April 16, 2026, 2:57 p.m.