Triple

T22408449
Position Surface form Disambiguated ID Type / Status
Subject Kollupitiya E553935 entity
Predicate hasTransportation P105 FINISHED
Object Kollupitiya railway station
Kollupitiya railway station is a local train station in the Kollupitiya area of Colombo, Sri Lanka, serving as a stop on the coastal railway line.
 E1552406 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: Kollupitiya railway station | Statement: [Kollupitiya, hasTransportation, Kollupitiya railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Kollupitiya railway station
Context triple: [Kollupitiya, hasTransportation, Kollupitiya railway station]
  • A. 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.
  • B. Aluthgama railway station
    Aluthgama railway station is a coastal train station in Sri Lanka serving the town of Aluthgama on the busy southern rail corridor.
  • C. Kelaniya railway station
    Kelaniya railway station is a passenger rail station in Kelaniya, Sri Lanka, serving as part of the country’s main railway network near Colombo.
  • D. 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.
  • E. Puttalam railway station
    Puttalam railway station is the main rail terminus serving the town of Puttalam in northwestern Sri Lanka.
  • 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: Kollupitiya railway station
Triple: [Kollupitiya, hasTransportation, Kollupitiya railway station]
Generated description
Kollupitiya railway station is a local train station in the Kollupitiya area of Colombo, Sri Lanka, serving as a stop on the coastal railway line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Kollupitiya railway station
Target entity description: Kollupitiya railway station is a local train station in the Kollupitiya area of Colombo, Sri Lanka, serving as a stop on the coastal railway line.
  • A. 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.
  • B. Aluthgama railway station
    Aluthgama railway station is a coastal train station in Sri Lanka serving the town of Aluthgama on the busy southern rail corridor.
  • C. Kelaniya railway station
    Kelaniya railway station is a passenger rail station in Kelaniya, Sri Lanka, serving as part of the country’s main railway network near Colombo.
  • D. 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.
  • E. Puttalam railway station
    Puttalam railway station is the main rail terminus serving the town of Puttalam in northwestern Sri Lanka.
  • 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_69e11e4e6ce8819085a1e06d886bf21c completed April 16, 2026, 5:37 p.m.
NER Named-entity recognition batch_69f158badc008190a3f5afb520a25e5f completed April 29, 2026, 1:02 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0b8fadd8908190a907870191207e81 completed May 18, 2026, 10:16 p.m.
NEDg Description generation batch_6a0b93e0bc0081909190897d2770cacf completed May 18, 2026, 10:34 p.m.
NED2 Entity disambiguation (via description) batch_6a0b945482c8819099ff1da95b8b3810 completed May 18, 2026, 10:36 p.m.
Created at: April 16, 2026, 8:46 p.m.