Triple

T13480292
Position Surface form Disambiguated ID Type / Status
Subject Matale E318353 entity
Predicate railwayStation P918 FINISHED
Object Matale railway station
Matale railway station is the main train station serving the town of Matale in Sri Lanka, acting as a key terminus on the Matale railway line.
 E1042449 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: Matale railway station | Statement: [Matale, railwayStation, Matale railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Matale railway station
Context triple: [Matale, railwayStation, Matale railway station]
  • A. Matamata railway station
    Matamata railway station is a former New Zealand railway station in the Waikato region that historically served the town of Matamata on the East Coast Main Trunk line.
  • B. Matara railway station
    Matara railway station is a major railway terminus in southern Sri Lanka serving the city of Matara and connecting it to Colombo and other parts of the country.
  • 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. 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.
  • E. Tua railway station
    Tua railway station is a historic Portuguese railway terminus located at the confluence of the Tua and Douro rivers, known for serving as a gateway to the scenic Douro Valley region.
  • 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: Matale railway station
Triple: [Matale, railwayStation, Matale railway station]
Generated description
Matale railway station is the main train station serving the town of Matale in Sri Lanka, acting as a key terminus on the Matale railway line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Matale railway station
Target entity description: Matale railway station is the main train station serving the town of Matale in Sri Lanka, acting as a key terminus on the Matale railway line.
  • A. Matamata railway station
    Matamata railway station is a former New Zealand railway station in the Waikato region that historically served the town of Matamata on the East Coast Main Trunk line.
  • B. Matara railway station
    Matara railway station is a major railway terminus in southern Sri Lanka serving the city of Matara and connecting it to Colombo and other parts of the country.
  • 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. 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.
  • E. Tua railway station
    Tua railway station is a historic Portuguese railway terminus located at the confluence of the Tua and Douro rivers, known for serving as a gateway to the scenic Douro Valley region.
  • 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_69d806b6bfec819089222715b2e86c8e completed April 9, 2026, 8:06 p.m.
NER Named-entity recognition batch_69dbaf36c6b08190ba99400600e0b662 completed April 12, 2026, 2:41 p.m.
NED1 Entity disambiguation (via context triple) batch_69f7463340fc8190b1128bd1d26f91ab completed May 3, 2026, 12:57 p.m.
NEDg Description generation batch_69f747fee42c819097ccfaf01b1bf4da completed May 3, 2026, 1:05 p.m.
NED2 Entity disambiguation (via description) batch_69f748bfc1a481908c3a86018533e45d completed May 3, 2026, 1:08 p.m.
Created at: April 9, 2026, 9:42 p.m.