Triple

T13669183
Position Surface form Disambiguated ID Type / Status
Subject Maradana railway station E327703 entity
Predicate connectedTo P37 FINISHED
Object Fort railway station
Fort railway station is Colombo’s central and busiest railway hub in Sri Lanka, serving as a major junction for both suburban and long-distance train services.
 E1052949 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Fort railway station | Statement: [Maradana railway station, connectedTo, Fort railway station]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Fort railway station
Context triple: [Maradana railway station, connectedTo, Fort railway station]
  • A. Bro railway station
    Bro railway station is a local commuter rail stop in Bro, Sweden, serving as part of the Stockholm commuter rail network.
  • B. Hay Railway Station
    Hay Railway Station is a historic former railway station in Hay, New South Wales, recognized as a heritage-listed site for its architectural and transport significance.
  • C. Stone railway station
    Stone railway station is a small railway stop serving the town of Stone in Staffordshire, England, on the West Coast Main Line.
  • D. Ath railway station
    Ath railway station is a regional train station in the town of Ath, Belgium, providing passenger rail services that connect the area with major Belgian cities.
  • E. Berry railway station
    Berry railway station is a regional train station on the South Coast line in New South Wales, Australia, serving the town of Berry and its surrounding rural community.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Fort railway station
Target entity description: Fort railway station is Colombo’s central and busiest railway hub in Sri Lanka, serving as a major junction for both suburban and long-distance train services.
  • A. Bro railway station
    Bro railway station is a local commuter rail stop in Bro, Sweden, serving as part of the Stockholm commuter rail network.
  • B. Hay Railway Station
    Hay Railway Station is a historic former railway station in Hay, New South Wales, recognized as a heritage-listed site for its architectural and transport significance.
  • C. Stone railway station
    Stone railway station is a small railway stop serving the town of Stone in Staffordshire, England, on the West Coast Main Line.
  • D. Ath railway station
    Ath railway station is a regional train station in the town of Ath, Belgium, providing passenger rail services that connect the area with major Belgian cities.
  • E. Berry railway station
    Berry railway station is a regional train station on the South Coast line in New South Wales, Australia, serving the town of Berry and its surrounding rural community.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

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: Fort railway station
Triple: [Maradana railway station, connectedTo, Fort railway station]
Generated description
Fort railway station is Colombo’s central and busiest railway hub in Sri Lanka, serving as a major junction for both suburban and long-distance train services.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d8076f1fa8819094664a59b55010df elicitation completed
NER batch_69dbc65832688190aea688fee0a7cbdb ner completed
NED1 batch_69f78b0f56048190bcbc6581a8cdc0f5 ned_source_triple completed
NED2 batch_69f78d6d74bc8190ad5476a06e8fd8ad ned_description completed
NEDg batch_69f78c0030e481909c20f21ddaa480dc nedg completed
Created at: April 9, 2026, 9:53 p.m.