Triple

T16583105
Position Surface form Disambiguated ID Type / Status
Subject Southern Expressway (Sri Lanka) E402884 entity
Predicate hasJunction P1018 FINISHED
Object Kottawa interchange
Kottawa interchange is a major road junction in Sri Lanka that serves as a key access point connecting the Southern Expressway with the Colombo metropolitan road network.
 E1220945 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: Kottawa interchange | Statement: [Southern Expressway (Sri Lanka), hasJunction, Kottawa interchange]

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: Kottawa interchange
Context triple: [Southern Expressway (Sri Lanka), hasJunction, Kottawa interchange]
  • A. 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.
  • 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. 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.
  • D. 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.
  • E. 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.
  • 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: Kottawa interchange
Target entity description: Kottawa interchange is a major road junction in Sri Lanka that serves as a key access point connecting the Southern Expressway with the Colombo metropolitan road network.
  • A. 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.
  • 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. 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.
  • D. 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.
  • E. 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.
  • 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: Kottawa interchange
Triple: [Southern Expressway (Sri Lanka), hasJunction, Kottawa interchange]
Generated description
Kottawa interchange is a major road junction in Sri Lanka that serves as a key access point connecting the Southern Expressway with the Colombo metropolitan road network.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d88387363c8190a97a0c942130de97 elicitation completed
NER batch_69e35999088c8190900497f18728bd0b ner completed
NED1 batch_6a006ef2d6048190954144ab848760ec ned_source_triple completed
NED2 batch_6a007068715c8190914ccac7b14103e4 ned_description completed
NEDg batch_6a006fc84390819083d9d2ac1c558827 nedg completed
Created at: April 10, 2026, 5:16 a.m.