Triple

T13669207
Position Surface form Disambiguated ID Type / Status
Subject Maradana railway station E327703 entity
Predicate near P350 FINISHED
Object Maradana Junction (road)
Maradana Junction (road) is a major traffic intersection and roadway in Colombo, Sri Lanka, serving as a key connector near the central Maradana railway station.
 E1052950 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: Maradana Junction (road) | Statement: [Maradana railway station, near, Maradana Junction (road)]

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: Maradana Junction (road)
Context triple: [Maradana railway station, near, Maradana Junction (road)]
  • A. Kandy–Jaffna road
    The Kandy–Jaffna road is a major Sri Lankan highway that connects the central city of Kandy with the northern city of Jaffna, serving as a key route through the island’s interior.
  • B. Colombo–Katunayake Expressway
    The Colombo–Katunayake Expressway is a major controlled-access highway in Sri Lanka that connects the capital city Colombo with Bandaranaike International Airport and the city of Negombo, significantly reducing travel time between them.
  • C. Colombo–Kandy road
    The Colombo–Kandy road is a major highway in Sri Lanka that links the capital city Colombo with the historic hill city of Kandy, serving as a key route to the island’s central highlands.
  • D. Southern Expressway of Sri Lanka
    The Southern Expressway of Sri Lanka is a major controlled-access highway linking Colombo with key southern cities, significantly reducing travel time and boosting regional economic development.
  • E. Colombo–Galle–Hambantota–Wellawaya Highway (A2)
    The Colombo–Galle–Hambantota–Wellawaya Highway (A2) is a major coastal trunk road in Sri Lanka that connects Colombo with key southern and southeastern cities including Galle, Hambantota, and Wellawaya.
  • 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: Maradana Junction (road)
Target entity description: Maradana Junction (road) is a major traffic intersection and roadway in Colombo, Sri Lanka, serving as a key connector near the central Maradana railway station.
  • A. Kandy–Jaffna road
    The Kandy–Jaffna road is a major Sri Lankan highway that connects the central city of Kandy with the northern city of Jaffna, serving as a key route through the island’s interior.
  • B. Colombo–Katunayake Expressway
    The Colombo–Katunayake Expressway is a major controlled-access highway in Sri Lanka that connects the capital city Colombo with Bandaranaike International Airport and the city of Negombo, significantly reducing travel time between them.
  • C. Colombo–Kandy road
    The Colombo–Kandy road is a major highway in Sri Lanka that links the capital city Colombo with the historic hill city of Kandy, serving as a key route to the island’s central highlands.
  • D. Southern Expressway of Sri Lanka
    The Southern Expressway of Sri Lanka is a major controlled-access highway linking Colombo with key southern cities, significantly reducing travel time and boosting regional economic development.
  • E. Colombo–Galle–Hambantota–Wellawaya Highway (A2)
    The Colombo–Galle–Hambantota–Wellawaya Highway (A2) is a major coastal trunk road in Sri Lanka that connects Colombo with key southern and southeastern cities including Galle, Hambantota, and Wellawaya.
  • 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: Maradana Junction (road)
Triple: [Maradana railway station, near, Maradana Junction (road)]
Generated description
Maradana Junction (road) is a major traffic intersection and roadway in Colombo, Sri Lanka, serving as a key connector near the central Maradana railway station.

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.