Triple

T22231141
Position Surface form Disambiguated ID Type / Status
Subject Puttalam Line E549467 entity
Predicate hasIntermediateStation P24280 FINISHED
Object Seeduwa railway station
Seeduwa railway station is a local train stop in Sri Lanka that serves the town of Seeduwa on the coastal rail route connecting Colombo with the Puttalam region.
 E1525708 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: Seeduwa railway station | Statement: [Puttalam Line, hasIntermediateStation, Seeduwa railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Seeduwa railway station
Context triple: [Puttalam Line, hasIntermediateStation, Seeduwa railway station]
  • A. 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.
  • B. Azara railway station
    Azara railway station is a small regional rail stop serving the town of Azara in Assam, India, providing local passenger connectivity within the Northeast Frontier Railway network.
  • C. Basmane railway station
    Basmane railway station is a historic central train terminal in İzmir, Turkey, serving as a major hub for regional and intercity rail services.
  • D. 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.
  • E. Sol railway station
    Sol railway station is a major underground commuter rail hub in central Madrid, Spain, integrated with the city’s metro and serving as a key transit point for Cercanías suburban trains.
  • 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: Seeduwa railway station
Triple: [Puttalam Line, hasIntermediateStation, Seeduwa railway station]
Generated description
Seeduwa railway station is a local train stop in Sri Lanka that serves the town of Seeduwa on the coastal rail route connecting Colombo with the Puttalam region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Seeduwa railway station
Target entity description: Seeduwa railway station is a local train stop in Sri Lanka that serves the town of Seeduwa on the coastal rail route connecting Colombo with the Puttalam region.
  • A. 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.
  • B. Azara railway station
    Azara railway station is a small regional rail stop serving the town of Azara in Assam, India, providing local passenger connectivity within the Northeast Frontier Railway network.
  • C. Basmane railway station
    Basmane railway station is a historic central train terminal in İzmir, Turkey, serving as a major hub for regional and intercity rail services.
  • D. 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.
  • E. Sol railway station
    Sol railway station is a major underground commuter rail hub in central Madrid, Spain, integrated with the city’s metro and serving as a key transit point for Cercanías suburban trains.
  • 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.