Triple

T22214302
Position Surface form Disambiguated ID Type / Status
Subject Moratuwa E549034 entity
Predicate hasRailwayStation P918 FINISHED
Object Moratuwa 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: Moratuwa railway station | Statement: [Moratuwa, hasRailwayStation, Moratuwa railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Moratuwa railway station
Context triple: [Moratuwa, hasRailwayStation, Moratuwa railway station]
  • A. 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.
  • B. Maradana railway station
    Maradana railway station is a major railway hub in Colombo, Sri Lanka, serving as one of the city’s primary junctions connecting multiple key lines across the country.
  • C. Kalutara South railway station
    Kalutara South railway station is a key coastal rail stop in Sri Lanka’s Western Province, serving the town of Kalutara on the busy commuter and intercity route between Colombo and the country’s southern regions.
  • D. Kalutara North railway station
    Kalutara North railway station is a local rail stop in Kalutara, Sri Lanka, serving passengers on the coastal railway line.
  • E. Polgahawela Junction railway station
    Polgahawela Junction railway station is a major railway junction in Sri Lanka where key lines, including the Main Line and Northern Line, diverge, making it an important hub in the country’s rail network.
  • 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: Moratuwa railway station
Target entity description: 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.
  • A. 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.
  • B. Maradana railway station
    Maradana railway station is a major railway hub in Colombo, Sri Lanka, serving as one of the city’s primary junctions connecting multiple key lines across the country.
  • C. Kalutara South railway station
    Kalutara South railway station is a key coastal rail stop in Sri Lanka’s Western Province, serving the town of Kalutara on the busy commuter and intercity route between Colombo and the country’s southern regions.
  • D. Kalutara North railway station
    Kalutara North railway station is a local rail stop in Kalutara, Sri Lanka, serving passengers on the coastal railway line.
  • E. Polgahawela Junction railway station
    Polgahawela Junction railway station is a major railway junction in Sri Lanka where key lines, including the Main Line and Northern Line, diverge, making it an important hub in the country’s rail network.
  • 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_69e11e3f7e04819089806d81d5ac431e completed April 16, 2026, 5:37 p.m.
NER Named-entity recognition batch_69f12b8b13f8819099ed8bebbfea3bc8 completed April 28, 2026, 9:50 p.m.
Created at: April 16, 2026, 8:37 p.m.