Triple

T16777077
Position Surface form Disambiguated ID Type / Status
Subject Nugegoda E407752 entity
Predicate hasRailwayStation P918 FINISHED
Object Nugegoda railway station
Nugegoda railway station is a suburban train station in the Colombo District of Sri Lanka, serving the busy commercial and residential area of Nugegoda on the country’s coastal railway line.
E1233480 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: Nugegoda railway station | Statement: [Nugegoda, hasRailwayStation, Nugegoda railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Nugegoda railway station
Context triple: [Nugegoda, hasRailwayStation, Nugegoda railway station]
  • A. 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.
  • 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. Colombo Fort railway station
    Colombo Fort railway station is the main railway hub in Colombo, Sri Lanka, serving as a central junction for both suburban and long-distance train services across the country.
  • 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. 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.
  • 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: Nugegoda railway station
Triple: [Nugegoda, hasRailwayStation, Nugegoda railway station]
Generated description
Nugegoda railway station is a suburban train station in the Colombo District of Sri Lanka, serving the busy commercial and residential area of Nugegoda on the country’s coastal railway line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Nugegoda railway station
Target entity description: Nugegoda railway station is a suburban train station in the Colombo District of Sri Lanka, serving the busy commercial and residential area of Nugegoda on the country’s coastal railway line.
  • A. 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.
  • 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. Colombo Fort railway station
    Colombo Fort railway station is the main railway hub in Colombo, Sri Lanka, serving as a central junction for both suburban and long-distance train services across the country.
  • 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. 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.
  • 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_69d8839270588190886720d9519bbf8f completed April 10, 2026, 4:58 a.m.
NER Named-entity recognition batch_69e3b03a646c8190b3944c9f0c25af27 completed April 18, 2026, 4:24 p.m.
NED1 Entity disambiguation (via context triple) batch_6a00aafe1f8081909b9540aca6e7b9b7 completed May 10, 2026, 3:57 p.m.
NEDg Description generation batch_6a00ac0e10648190803bf962a4677104 completed May 10, 2026, 4:02 p.m.
NED2 Entity disambiguation (via description) batch_6a00acc3a9dc819087e07e539760bf34 completed May 10, 2026, 4:05 p.m.
Created at: April 10, 2026, 5:22 a.m.