Triple

T13697696
Position Surface form Disambiguated ID Type / Status
Subject Kalutara South railway station E328429 entity
Predicate nearbyStation P4625 FINISHED
Object Kalutara North railway station
Kalutara North railway station is a local rail stop in Kalutara, Sri Lanka, serving passengers on the coastal railway line.
 E1063060 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: Kalutara North railway station | Statement: [Kalutara South railway station, nearbyStation, Kalutara North railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Kalutara North railway station
Context triple: [Kalutara South railway station, nearbyStation, Kalutara North railway station]
  • A. 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.
  • 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. 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.
  • D. Hikkaduwa railway station
    Hikkaduwa railway station is a coastal train station in Sri Lanka serving the popular beach town of Hikkaduwa on the country’s southern railway corridor.
  • E. Kandy railway station
    Kandy railway station is a major rail hub in central Sri Lanka, serving the historic city of Kandy and connecting it to key destinations across the country.
  • 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: Kalutara North railway station
Triple: [Kalutara South railway station, nearbyStation, Kalutara North railway station]
Generated description
Kalutara North railway station is a local rail stop in Kalutara, Sri Lanka, serving passengers on the coastal railway line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Kalutara North railway station
Target entity description: Kalutara North railway station is a local rail stop in Kalutara, Sri Lanka, serving passengers on the coastal railway line.
  • A. 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.
  • 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. 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.
  • D. Hikkaduwa railway station
    Hikkaduwa railway station is a coastal train station in Sri Lanka serving the popular beach town of Hikkaduwa on the country’s southern railway corridor.
  • E. Kandy railway station
    Kandy railway station is a major rail hub in central Sri Lanka, serving the historic city of Kandy and connecting it to key destinations across the country.
  • 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_69d8076ff62081908a7bd79889edd7a0 completed April 9, 2026, 8:09 p.m.
NER Named-entity recognition batch_69dbc878b57c819094e7ea6d1a64211f completed April 12, 2026, 4:29 p.m.
NED1 Entity disambiguation (via context triple) batch_69f7b8cae6f081908145b6cd4c0ba53c completed May 3, 2026, 9:06 p.m.
NEDg Description generation batch_69f7b974fce88190ace5030555b7b5f1 completed May 3, 2026, 9:09 p.m.
NED2 Entity disambiguation (via description) batch_69f7ba936c4481908757699ff22d3904 completed May 3, 2026, 9:13 p.m.
Created at: April 9, 2026, 9:54 p.m.