Triple

T22231135
Position Surface form Disambiguated ID Type / Status
Subject Puttalam Line E549467 entity
Predicate hasIntermediateStation P24280 FINISHED
Object Madampe railway station
Madampe railway station is a local train stop in Sri Lanka situated on the Puttalam railway line, serving the town of Madampe and its surrounding areas.
 E1525703 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: Madampe railway station | Statement: [Puttalam Line, hasIntermediateStation, Madampe railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Madampe railway station
Context triple: [Puttalam Line, hasIntermediateStation, Madampe railway station]
  • A. Heyendaal railway station
    Heyendaal railway station is a local train station in Nijmegen, Netherlands, serving the university and hospital area around the Heyendaal campus.
  • B. 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.
  • C. 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.
  • D. 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.
  • E. Thivim railway station
    Thivim railway station is a key rail hub in North Goa, India, serving as a primary access point for popular coastal areas including Calangute and other nearby beaches.
  • 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: Madampe railway station
Triple: [Puttalam Line, hasIntermediateStation, Madampe railway station]
Generated description
Madampe railway station is a local train stop in Sri Lanka situated on the Puttalam railway line, serving the town of Madampe and its surrounding areas.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Madampe railway station
Target entity description: Madampe railway station is a local train stop in Sri Lanka situated on the Puttalam railway line, serving the town of Madampe and its surrounding areas.
  • A. Heyendaal railway station
    Heyendaal railway station is a local train station in Nijmegen, Netherlands, serving the university and hospital area around the Heyendaal campus.
  • B. 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.
  • C. 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.
  • D. 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.
  • E. Thivim railway station
    Thivim railway station is a key rail hub in North Goa, India, serving as a primary access point for popular coastal areas including Calangute and other nearby beaches.
  • 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.