Triple

T19949096
Position Surface form Disambiguated ID Type / Status
Subject Ludhiana Junction railway station E479507 entity
Predicate locatedOn P40 FINISHED
Object Ludhiana–Fazilka line
The Ludhiana–Fazilka line is a railway route in the Indian state of Punjab that connects the industrial city of Ludhiana with the border town of Fazilka, serving as an important regional transport corridor.
 E1404417 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–Fazilka line | Statement: [Ludhiana Junction railway station, locatedOn, Ludhiana–Fazilka line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Ludhiana–Fazilka line
Context triple: [Ludhiana Junction railway station, locatedOn, Ludhiana–Fazilka line]
  • A. Firozpur–Bathinda line
    The Firozpur–Bathinda line is a railway route in the Indian state of Punjab that connects the city of Firozpur with Bathinda, serving as an important regional transport corridor.
  • B. Delhi–Fazilka line
    The Delhi–Fazilka line is a key broad-gauge railway route in northern India that connects the national capital Delhi with the border region near Fazilka in Punjab, serving numerous intermediate cities and military cantonments.
  • C. 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.
  • D. Amritsar–Khem Karan line
    The Amritsar–Khem Karan line is a railway route in the Indian state of Punjab that connects the city of Amritsar to the border town of Khem Karan, serving several intermediate junctions and local communities.
  • E. Jalandhar–Jammu Tawi line
    The Jalandhar–Jammu Tawi line is a key broad-gauge railway route in northern India that connects Punjab with Jammu and Kashmir, serving as an important link for both 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–Fazilka line
Triple: [Ludhiana Junction railway station, locatedOn, Ludhiana–Fazilka line]
Generated description
The Ludhiana–Fazilka line is a railway route in the Indian state of Punjab that connects the industrial city of Ludhiana with the border town of Fazilka, serving as an important regional transport corridor.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Ludhiana–Fazilka line
Target entity description: The Ludhiana–Fazilka line is a railway route in the Indian state of Punjab that connects the industrial city of Ludhiana with the border town of Fazilka, serving as an important regional transport corridor.
  • A. Firozpur–Bathinda line
    The Firozpur–Bathinda line is a railway route in the Indian state of Punjab that connects the city of Firozpur with Bathinda, serving as an important regional transport corridor.
  • B. Delhi–Fazilka line
    The Delhi–Fazilka line is a key broad-gauge railway route in northern India that connects the national capital Delhi with the border region near Fazilka in Punjab, serving numerous intermediate cities and military cantonments.
  • C. 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.
  • D. Amritsar–Khem Karan line
    The Amritsar–Khem Karan line is a railway route in the Indian state of Punjab that connects the city of Amritsar to the border town of Khem Karan, serving several intermediate junctions and local communities.
  • E. Jalandhar–Jammu Tawi line
    The Jalandhar–Jammu Tawi line is a key broad-gauge railway route in northern India that connects Punjab with Jammu and Kashmir, serving as an important link for both 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_69d8e522a17c819095165d4d24939fd8 completed April 10, 2026, 11:55 a.m.
NER Named-entity recognition batch_69e65a69ae388190918e862012f9fe39 completed April 20, 2026, 4:55 p.m.
NED1 Entity disambiguation (via context triple) batch_6a07fdc6b0348190b26485ab163bebd0 completed May 16, 2026, 5:16 a.m.
NEDg Description generation batch_6a07fe4573a48190919a59e466b34e35 completed May 16, 2026, 5:19 a.m.
NED2 Entity disambiguation (via description) batch_6a07fede18a08190a7a7a698d7598023 completed May 16, 2026, 5:21 a.m.
Created at: April 10, 2026, 1:54 p.m.