Triple

T17362554
Position Surface form Disambiguated ID Type / Status
Subject Kandy railway station E422103 entity
Predicate connectsTo P845 FINISHED
Object Anuradhapura 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: Anuradhapura railway station | Statement: [Kandy railway station, connectsTo, Anuradhapura railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Anuradhapura railway station
Context triple: [Kandy railway station, connectsTo, Anuradhapura railway station]
  • A. Gampola railway station
    Gampola railway station is a train station in Sri Lanka’s Central Province that serves the town of Gampola on the country’s Main Line.
  • B. Jaffna railway station
    Jaffna railway station is a major rail hub in northern Sri Lanka, serving the city of Jaffna and connecting it to Colombo and other key destinations on the island’s rail network.
  • C. Ambalangoda railway station
    Ambalangoda railway station is a train station in the coastal town of Ambalangoda in southern Sri Lanka, serving as a stop on the country’s coastal railway line.
  • D. Badulla railway station
    Badulla railway station is the scenic terminus of Sri Lanka’s Main Line, serving the hill-country town of Badulla and known for its historic charm and surrounding tea-country landscapes.
  • E. Kurunegala railway station
    Kurunegala railway station is a key stop on Sri Lanka’s Main Line, serving the city of Kurunegala and linking it with major urban centers such as Kandy and Colombo.
  • 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: Anuradhapura railway station
Target entity description: Anuradhapura railway station is a major rail hub in Sri Lanka’s North Central Province, serving the historic city of Anuradhapura and linking it to key destinations across the country.
  • A. Gampola railway station
    Gampola railway station is a train station in Sri Lanka’s Central Province that serves the town of Gampola on the country’s Main Line.
  • B. Jaffna railway station
    Jaffna railway station is a major rail hub in northern Sri Lanka, serving the city of Jaffna and connecting it to Colombo and other key destinations on the island’s rail network.
  • C. Ambalangoda railway station
    Ambalangoda railway station is a train station in the coastal town of Ambalangoda in southern Sri Lanka, serving as a stop on the country’s coastal railway line.
  • D. Badulla railway station
    Badulla railway station is the scenic terminus of Sri Lanka’s Main Line, serving the hill-country town of Badulla and known for its historic charm and surrounding tea-country landscapes.
  • E. Kurunegala railway station
    Kurunegala railway station is a key stop on Sri Lanka’s Main Line, serving the city of Kurunegala and linking it with major urban centers such as Kandy and Colombo.
  • 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_69d889d520008190a26917a95bf1c2ea completed April 10, 2026, 5:25 a.m.
NER Named-entity recognition batch_69e43a4e3c3481909dfaa00334c5010e completed April 19, 2026, 2:13 a.m.
Created at: April 10, 2026, 5:44 a.m.