Triple

T18436569
Position Surface form Disambiguated ID Type / Status
Subject Delhi–Amritsar line E450406 entity
Predicate connectsTo P845 FINISHED
Object Ludhiana–Jalandhar section
The Ludhiana–Jalandhar section is a key railway corridor in the Indian state of Punjab that links the industrial city of Ludhiana with the major urban center of Jalandhar, forming part of an important route in northern India.
E1325798 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: Ludhiana–Jalandhar section | Statement: [Delhi–Amritsar line, connectsTo, Ludhiana–Jalandhar section]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Ludhiana–Jalandhar section
Context triple: [Delhi–Amritsar line, connectsTo, Ludhiana–Jalandhar section]
  • A. Jalandhar–Firozpur railway line
    The Jalandhar–Firozpur railway line is a key rail route in the Indian state of Punjab that connects major cities in the Doaba and Malwa regions and supports both passenger and freight traffic.
  • B. Amritsar–Pathankot line
    The Amritsar–Pathankot line is a railway route in the Indian state of Punjab that connects the city of Amritsar with the border town of Pathankot, serving as an important regional and strategic rail corridor.
  • C. Delhi–Panipat section
    The Delhi–Panipat section is a key railway corridor in northern India that links the national capital Delhi with the industrial and historical city of Panipat, forming part of a major route toward Punjab.
  • D. Delhi–Ambala railway line
    The Delhi–Ambala railway line is a key rail corridor in northern India connecting the national capital Delhi with the city of Ambala, serving major towns and districts along its route.
  • 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: Ludhiana–Jalandhar section
Triple: [Delhi–Amritsar line, connectsTo, Ludhiana–Jalandhar section]
Generated description
The Ludhiana–Jalandhar section is a key railway corridor in the Indian state of Punjab that links the industrial city of Ludhiana with the major urban center of Jalandhar, forming part of an important route in northern India.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Ludhiana–Jalandhar section
Target entity description: The Ludhiana–Jalandhar section is a key railway corridor in the Indian state of Punjab that links the industrial city of Ludhiana with the major urban center of Jalandhar, forming part of an important route in northern India.
  • A. Jalandhar–Firozpur railway line
    The Jalandhar–Firozpur railway line is a key rail route in the Indian state of Punjab that connects major cities in the Doaba and Malwa regions and supports both passenger and freight traffic.
  • B. Amritsar–Pathankot line
    The Amritsar–Pathankot line is a railway route in the Indian state of Punjab that connects the city of Amritsar with the border town of Pathankot, serving as an important regional and strategic rail corridor.
  • C. Delhi–Panipat section
    The Delhi–Panipat section is a key railway corridor in northern India that links the national capital Delhi with the industrial and historical city of Panipat, forming part of a major route toward Punjab.
  • D. Delhi–Ambala railway line
    The Delhi–Ambala railway line is a key rail corridor in northern India connecting the national capital Delhi with the city of Ambala, serving major towns and districts along its route.
  • 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_69d8d381d6388190a9e94e9c658174e4 completed April 10, 2026, 10:40 a.m.
NER Named-entity recognition batch_69e51c0cd30c8190b8417c264e60d3a5 completed April 19, 2026, 6:16 p.m.
NED1 Entity disambiguation (via context triple) batch_6a040fd930f48190964028216a09e56d completed May 13, 2026, 5:44 a.m.
NEDg Description generation batch_6a043a81cd58819089df50804870952e completed May 13, 2026, 8:46 a.m.
NED2 Entity disambiguation (via description) batch_6a043c0580048190afd9fe46e6863918 completed May 13, 2026, 8:53 a.m.
Created at: April 10, 2026, 11:29 a.m.