Triple

T22231137
Position Surface form Disambiguated ID Type / Status
Subject Puttalam Line E549467 entity
Predicate hasIntermediateStation P24280 FINISHED
Object Lunuwila railway station
Lunuwila railway station is a local train stop in Sri Lanka serving the town of Lunuwila on the country’s coastal railway network.
 E1525704 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: Lunuwila railway station | Statement: [Puttalam Line, hasIntermediateStation, Lunuwila railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Lunuwila railway station
Context triple: [Puttalam Line, hasIntermediateStation, Lunuwila railway station]
  • A. Liluah railway station
    Liluah railway station is a suburban rail station in Howrah, West Bengal, serving as an important stop on the Howrah–Bardhaman main line of the Eastern Railway zone.
  • B. Beruwala railway station
    Beruwala railway station is a coastal train stop in Sri Lanka serving the town of Beruwala on the country’s main railway network.
  • C. Senaki railway station
    Senaki railway station is a regional rail transport hub in western Georgia that serves passenger and freight trains on the country’s main railway network.
  • D. Urunga railway station
    Urunga railway station is a regional train station in New South Wales, Australia, serving the coastal town of Urunga on the North Coast railway line.
  • E. Soroti Railway Station
    Soroti Railway Station is a railway facility serving the town of Soroti in eastern Uganda, connecting it to the national rail network.
  • 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: Lunuwila railway station
Triple: [Puttalam Line, hasIntermediateStation, Lunuwila railway station]
Generated description
Lunuwila railway station is a local train stop in Sri Lanka serving the town of Lunuwila on the country’s coastal railway network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Lunuwila railway station
Target entity description: Lunuwila railway station is a local train stop in Sri Lanka serving the town of Lunuwila on the country’s coastal railway network.
  • A. Liluah railway station
    Liluah railway station is a suburban rail station in Howrah, West Bengal, serving as an important stop on the Howrah–Bardhaman main line of the Eastern Railway zone.
  • B. Beruwala railway station
    Beruwala railway station is a coastal train stop in Sri Lanka serving the town of Beruwala on the country’s main railway network.
  • C. Senaki railway station
    Senaki railway station is a regional rail transport hub in western Georgia that serves passenger and freight trains on the country’s main railway network.
  • D. Urunga railway station
    Urunga railway station is a regional train station in New South Wales, Australia, serving the coastal town of Urunga on the North Coast railway line.
  • E. Soroti Railway Station
    Soroti Railway Station is a railway facility serving the town of Soroti in eastern Uganda, connecting it to the national rail network.
  • 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_69e11e4102b881909cf47d3768e25c19 completed April 16, 2026, 5:37 p.m.
NER Named-entity recognition batch_69f12bf2a26c81908aaf614d7c75e219 completed April 28, 2026, 9:51 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0aae77b9888190a975e78d442512b2 completed May 18, 2026, 6:15 a.m.
NEDg Description generation batch_6a0aaf0f47948190b602d1016badc21c completed May 18, 2026, 6:17 a.m.
NED2 Entity disambiguation (via description) batch_6a0ab0befa5481909d00cb845dd67b12 completed May 18, 2026, 6:25 a.m.
Created at: April 16, 2026, 8:38 p.m.