Triple

T4523989
Position Surface form Disambiguated ID Type / Status
Subject Ambala Cantonment railway station E103332 entity
Predicate onRailwayLine P848 FINISHED
Object Ambala–Una Himachal line
The Ambala–Una Himachal line is a broad-gauge railway route in northern India that connects Ambala Cantonment in Haryana with Una in Himachal Pradesh, facilitating regional passenger and freight transport.
E449636 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: Ambala–Una Himachal line | Statement: [Ambala Cantonment railway station, onRailwayLine, Ambala–Una Himachal line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Ambala–Una Himachal line
Context triple: [Ambala Cantonment railway station, onRailwayLine, Ambala–Una Himachal 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. Manali-Leh Highway
    The Manali–Leh Highway is a high-altitude mountain road in the Indian Himalayas, renowned for its dramatic landscapes and challenging driving conditions as it links Himachal Pradesh with the Ladakh region.
  • C. Srinagar-Leh Highway
    The Srinagar-Leh Highway is a high-altitude mountain road in northern India that serves as a vital lifeline linking the Kashmir Valley with the Ladakh region across the Himalayas.
  • D. 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.
  • E. Srinagar–Jammu National Highway corridor
    The Srinagar–Jammu National Highway corridor is a vital mountainous road link in the Indian union territory of Jammu and Kashmir, connecting the Kashmir Valley with the rest of India and serving as a key strategic and economic lifeline.
  • 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: Ambala–Una Himachal line
Triple: [Ambala Cantonment railway station, onRailwayLine, Ambala–Una Himachal line]
Generated description
The Ambala–Una Himachal line is a broad-gauge railway route in northern India that connects Ambala Cantonment in Haryana with Una in Himachal Pradesh, facilitating regional passenger and freight transport.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Ambala–Una Himachal line
Target entity description: The Ambala–Una Himachal line is a broad-gauge railway route in northern India that connects Ambala Cantonment in Haryana with Una in Himachal Pradesh, facilitating regional passenger and freight transport.
  • 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. Manali-Leh Highway
    The Manali–Leh Highway is a high-altitude mountain road in the Indian Himalayas, renowned for its dramatic landscapes and challenging driving conditions as it links Himachal Pradesh with the Ladakh region.
  • C. Srinagar-Leh Highway
    The Srinagar-Leh Highway is a high-altitude mountain road in northern India that serves as a vital lifeline linking the Kashmir Valley with the Ladakh region across the Himalayas.
  • D. 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.
  • E. Srinagar–Jammu National Highway corridor
    The Srinagar–Jammu National Highway corridor is a vital mountainous road link in the Indian union territory of Jammu and Kashmir, connecting the Kashmir Valley with the rest of India and serving as a key strategic and economic lifeline.
  • 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_69bda440e104819095d84fcd183c7a44 completed March 20, 2026, 7:47 p.m.
NEDg Description generation batch_69bda540ce648190b23b7408152465eb completed March 20, 2026, 7:51 p.m.
NED2 Entity disambiguation (via description) batch_69bda5a33cd48190994a6260c4e35589 completed March 20, 2026, 7:53 p.m.
Created at: March 20, 2026, 1:03 p.m.