Triple

T22522189
Position Surface form Disambiguated ID Type / Status
Subject Wellawatte E556807 entity
Predicate hasRailwayStation P918 FINISHED
Object Wellawatte railway station — NE NERFINISHED

How this triple was built (3 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: Wellawatte railway station | Statement: [Wellawatte, hasRailwayStation, Wellawatte railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Wellawatte railway station
Context triple: [Wellawatte, hasRailwayStation, Wellawatte railway station]
  • A. Avissawella railway station
    Avissawella railway station is a railway station in Sri Lanka that serves the town of Avissawella on the country’s rail network.
  • B. Moratuwa railway station
    Moratuwa railway station is a key commuter rail station in the coastal city of Moratuwa, Sri Lanka, serving as an important stop on the country’s coastal railway line.
  • C. 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.
  • D. Nawalapitiya railway station
    Nawalapitiya railway station is a key stop on Sri Lanka’s Main Line railway, serving the town of Nawalapitiya in the Central Province.
  • E. Matara railway station
    Matara railway station is a major railway terminus in southern Sri Lanka serving the city of Matara and connecting it to Colombo and other parts of the country.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Wellawatte railway station
Target entity description: Wellawatte railway station is a suburban rail stop on Sri Lanka’s Coastal Line serving the Wellawatte area of Colombo.
  • A. Avissawella railway station
    Avissawella railway station is a railway station in Sri Lanka that serves the town of Avissawella on the country’s rail network.
  • B. Moratuwa railway station
    Moratuwa railway station is a key commuter rail station in the coastal city of Moratuwa, Sri Lanka, serving as an important stop on the country’s coastal railway line.
  • C. 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.
  • D. Nawalapitiya railway station
    Nawalapitiya railway station is a key stop on Sri Lanka’s Main Line railway, serving the town of Nawalapitiya in the Central Province.
  • E. Matara railway station
    Matara railway station is a major railway terminus in southern Sri Lanka serving the city of Matara and connecting it to Colombo and other parts of the country.
  • F. None of above. chosen

Provenance (2 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_69e11e5657e881909f16ca58352c50da completed April 16, 2026, 5:37 p.m.
NER Named-entity recognition batch_69f15e338dfc819082e1eeede3805fb9 completed April 29, 2026, 1:26 a.m.
Created at: April 16, 2026, 8:50 p.m.