Triple

T22231131
Position Surface form Disambiguated ID Type / Status
Subject Puttalam Line E549467 entity
Predicate hasIntermediateStation P24280 FINISHED
Object Negombo railway station
Negombo railway station is a key passenger railway station in the coastal city of Negombo, Sri Lanka, serving as an important stop on the route between Colombo and the island’s northwestern region.
 E1525699 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: Negombo railway station | Statement: [Puttalam Line, hasIntermediateStation, Negombo railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Negombo railway station
Context triple: [Puttalam Line, hasIntermediateStation, Negombo railway station]
  • A. Senaki railway station
    Senaki railway station is a regional rail transport hub in western Georgia that serves passenger and freight trains on the country’s main railway network.
  • B. Urunga railway station
    Urunga railway station is a regional train station in New South Wales, Australia, serving the coastal town of Urunga on the North Coast railway line.
  • C. Matunga railway station
    Matunga railway station is a suburban railway station on Mumbai's Central line, serving the Matunga neighborhood and daily commuters in the city.
  • D. Mungaoli railway station
    Mungaoli railway station is a local rail transit point serving the town of Mungaoli and surrounding areas in Ashoknagar district, Madhya Pradesh, India.
  • E. Bulli Railway Station
    Bulli Railway Station is a suburban train station on the South Coast line in New South Wales, Australia, serving the coastal town of Bulli near Wollongong.
  • 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: Negombo railway station
Triple: [Puttalam Line, hasIntermediateStation, Negombo railway station]
Generated description
Negombo railway station is a key passenger railway station in the coastal city of Negombo, Sri Lanka, serving as an important stop on the route between Colombo and the island’s northwestern region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Negombo railway station
Target entity description: Negombo railway station is a key passenger railway station in the coastal city of Negombo, Sri Lanka, serving as an important stop on the route between Colombo and the island’s northwestern region.
  • A. Senaki railway station
    Senaki railway station is a regional rail transport hub in western Georgia that serves passenger and freight trains on the country’s main railway network.
  • B. Urunga railway station
    Urunga railway station is a regional train station in New South Wales, Australia, serving the coastal town of Urunga on the North Coast railway line.
  • C. Matunga railway station
    Matunga railway station is a suburban railway station on Mumbai's Central line, serving the Matunga neighborhood and daily commuters in the city.
  • D. Mungaoli railway station
    Mungaoli railway station is a local rail transit point serving the town of Mungaoli and surrounding areas in Ashoknagar district, Madhya Pradesh, India.
  • E. Bulli Railway Station
    Bulli Railway Station is a suburban train station on the South Coast line in New South Wales, Australia, serving the coastal town of Bulli near Wollongong.
  • 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_69e11e4102b881909cf47d3768e25c19 completed April 16, 2026, 5:37 p.m.
NER Named-entity recognition batch_69f12bf2a26c81908aaf614d7c75e219 completed April 28, 2026, 9:51 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0aae77b9888190a975e78d442512b2 completed May 18, 2026, 6:15 a.m.
NEDg Description generation batch_6a0aaf0f47948190b602d1016badc21c completed May 18, 2026, 6:17 a.m.
NED2 Entity disambiguation (via description) batch_6a0ab0befa5481909d00cb845dd67b12 completed May 18, 2026, 6:25 a.m.
Created at: April 16, 2026, 8:38 p.m.