Triple

T4419885
Position Surface form Disambiguated ID Type / Status
Subject Sonipat district E95070 entity
Predicate hasMajorRailwayLine P24245 FINISHED
Object 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.
E438106 NE FINISHED

How this triple was built (5 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–Ambala railway line | Statement: [Sonipat district, hasMajorRailwayLine, Delhi–Ambala railway line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Delhi–Ambala railway line
Context triple: [Sonipat district, hasMajorRailwayLine, Delhi–Ambala railway line]
  • A. 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.
  • B. 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.
  • C. 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.
  • 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. Delhi–Kolkata rail corridor
    The Delhi–Kolkata rail corridor is one of India’s busiest and most important railway routes, linking the national capital with the eastern metropolis through major northern and eastern cities.
  • 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–Ambala railway line
Triple: [Sonipat district, hasMajorRailwayLine, Delhi–Ambala railway line]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Delhi–Ambala railway line
Target entity description: 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.
  • A. 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.
  • B. 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.
  • C. 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.
  • 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. Delhi–Kolkata rail corridor
    The Delhi–Kolkata rail corridor is one of India’s busiest and most important railway routes, linking the national capital with the eastern metropolis through major northern and eastern cities.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasMajorRailwayLine
Context triple: [Sonipat district, hasMajorRailwayLine, Delhi–Ambala railway line]
  • A. hasMajorRailCorridor chosen
    Indicates that a location or region is traversed by a primary, high-capacity railway route used for significant passenger or freight transport.
  • B. hasMajorRailLinksTo
    Indicates that there are significant railway connections or routes between two locations.
  • C. hasMajorRailwayStation
    Indicates that a place contains or is served by a principal railway station that functions as a major hub for rail transport.
  • D. hasRailSystem
    Indicates that an entity possesses or is served by a rail-based transportation system.
  • E. hasMajorTransportInfrastructure
    Indicates that a location possesses significant transportation facilities or networks, such as major roads, railways, ports, or airports, that support substantial movement of people or goods.
  • F. None of above.

Provenance (6 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_69b3453a36908190b95a79a297ca083c completed March 12, 2026, 10:59 p.m.
NER Named-entity recognition batch_69b3551fae7c8190abafda0d78f02d89 completed March 13, 2026, 12:06 a.m.
NED1 Entity disambiguation (via context triple) batch_69b5f623c958819087630c16b6ac8cb8 completed March 14, 2026, 11:58 p.m.
NEDg Description generation batch_69b5f9f26ef88190842e01d952e52125 completed March 15, 2026, 12:14 a.m.
NED2 Entity disambiguation (via description) batch_69b5faa6bfe881908a76c6c54f89feda completed March 15, 2026, 12:17 a.m.
PD Predicate disambiguation batch_69b34f5d0c54819085c08533bb58030a completed March 12, 2026, 11:42 p.m.
Created at: March 12, 2026, 11:29 p.m.