Triple

T20781726
Position Surface form Disambiguated ID Type / Status
Subject Tundla Junction E511497 entity
Predicate onRailwayLine P848 FINISHED
Object 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.
 E1450872 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: Agra–Kanpur section | Statement: [Tundla Junction, onRailwayLine, Agra–Kanpur section]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Agra–Kanpur section
Context triple: [Tundla Junction, onRailwayLine, Agra–Kanpur section]
  • A. 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.
  • B. Agra–Tundla section
    The Agra–Tundla section is a key railway line in northern India that connects the historic city of Agra with the junction town of Tundla, forming part of an important route on the Indian Railways network.
  • C. Agra–Mathura section
    The Agra–Mathura section is a key railway line in northern India that connects the historic cities of Agra and Mathura and forms part of important regional and long-distance rail routes.
  • D. Delhi–Agra section
    The Delhi–Agra section is a key railway corridor in northern India that connects the national capital, Delhi, with the historic city of Agra and forms part of a major passenger and tourist route.
  • E. 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.
  • 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: Agra–Kanpur section
Triple: [Tundla Junction, onRailwayLine, Agra–Kanpur section]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Agra–Kanpur section
Target entity description: 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.
  • A. 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.
  • B. Agra–Tundla section
    The Agra–Tundla section is a key railway line in northern India that connects the historic city of Agra with the junction town of Tundla, forming part of an important route on the Indian Railways network.
  • C. Agra–Mathura section
    The Agra–Mathura section is a key railway line in northern India that connects the historic cities of Agra and Mathura and forms part of important regional and long-distance rail routes.
  • D. Delhi–Agra section
    The Delhi–Agra section is a key railway corridor in northern India that connects the national capital, Delhi, with the historic city of Agra and forms part of a major passenger and tourist route.
  • E. 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.
  • 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_69e0b4cac7a48190a715cb3d545df2b4 completed April 16, 2026, 10:07 a.m.
NER Named-entity recognition batch_69e6c287b5288190823766fe59402d48 completed April 21, 2026, 12:19 a.m.
NED1 Entity disambiguation (via context triple) batch_6a08f8b6b01c8190b2d1ed54e8e75cf7 completed May 16, 2026, 11:07 p.m.
NEDg Description generation batch_6a08fa2628e0819083493dce1d7e025c completed May 16, 2026, 11:13 p.m.
NED2 Entity disambiguation (via description) batch_6a08fab84ff0819092dfffe909d82cf8 completed May 16, 2026, 11:16 p.m.
Created at: April 16, 2026, 12:38 p.m.