Triple

T4523987
Position Surface form Disambiguated ID Type / Status
Subject Ambala Cantonment railway station E103332 entity
Predicate onRailwayLine P848 FINISHED
Object Delhi–Amritsar line
The Delhi–Amritsar line is a major Indian Railways route connecting the national capital Delhi with the city of Amritsar in Punjab, serving as a key passenger and freight corridor in North India.
E450406 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–Amritsar line | Statement: [Ambala Cantonment railway station, onRailwayLine, Delhi–Amritsar line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Delhi–Amritsar line
Context triple: [Ambala Cantonment railway station, onRailwayLine, Delhi–Amritsar line]
  • A. 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.
  • B. 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.
  • C. Agra–Gwalior–Jhansi line
    The Agra–Gwalior–Jhansi line is a key railway route in northern India that connects the historic cities of Agra, Gwalior, and Jhansi, serving as an important corridor for both passenger and freight traffic.
  • D. 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.
  • E. Mumbai–Ahmedabad–Delhi main line
    The Mumbai–Ahmedabad–Delhi main line is a major Indian Railways trunk route that connects Mumbai with Ahmedabad and Delhi, serving as a key corridor for long-distance passenger and freight traffic in western and northern India.
  • 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–Amritsar line
Triple: [Ambala Cantonment railway station, onRailwayLine, Delhi–Amritsar line]
Generated description
The Delhi–Amritsar line is a major Indian Railways route connecting the national capital Delhi with the city of Amritsar in Punjab, serving as a key passenger and freight corridor in North India.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Delhi–Amritsar line
Target entity description: The Delhi–Amritsar line is a major Indian Railways route connecting the national capital Delhi with the city of Amritsar in Punjab, serving as a key passenger and freight corridor in North India.
  • A. 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.
  • B. 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.
  • C. Agra–Gwalior–Jhansi line
    The Agra–Gwalior–Jhansi line is a key railway route in northern India that connects the historic cities of Agra, Gwalior, and Jhansi, serving as an important corridor for both passenger and freight traffic.
  • D. 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.
  • E. Mumbai–Ahmedabad–Delhi main line
    The Mumbai–Ahmedabad–Delhi main line is a major Indian Railways trunk route that connects Mumbai with Ahmedabad and Delhi, serving as a key corridor for long-distance passenger and freight traffic in western and northern India.
  • 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_69bd43dba59881908cf59b31df8c7ae1 completed March 20, 2026, 12:55 p.m.
NER Named-entity recognition batch_69bd5773341c8190bf27745feb863575 completed March 20, 2026, 2:19 p.m.
NED1 Entity disambiguation (via context triple) batch_69bdacd4a09881909cf0e9d665454e38 completed March 20, 2026, 8:23 p.m.
NEDg Description generation batch_69bdaedb669481908d49bacde6d0914a completed March 20, 2026, 8:32 p.m.
NED2 Entity disambiguation (via description) batch_69bdaf60c5588190b4740822176d57d6 completed March 20, 2026, 8:34 p.m.
Created at: March 20, 2026, 1:03 p.m.