Triple

T5798474
Position Surface form Disambiguated ID Type / Status
Subject Colombo Fort railway station E128563 entity
Predicate servesRoute P31354 FINISHED
Object Colombo–Trincomalee route
The Colombo–Trincomalee route is a major intercity railway line in Sri Lanka connecting the capital Colombo with the eastern port city of Trincomalee.
 E557838 NE FINISHED

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: Colombo–Trincomalee route
Context triple: [Colombo Fort railway station, servesRoute, Colombo–Trincomalee route]
  • A. Puttalam Line
    The Puttalam Line is a major railway line in Sri Lanka that runs along the island’s western coast, serving towns and industrial areas between Colombo and Puttalam.
  • B. Colombo–Matara railway line
    The Colombo–Matara railway line is a coastal rail route in southwestern Sri Lanka that connects the capital region with major southern cities, including Galle and Matara.
  • C. Main Line (Sri Lanka)
    Main Line (Sri Lanka) is a major railway route running inland from Colombo through the central highlands, serving as one of the country’s primary passenger and freight corridors.
  • 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: Colombo–Trincomalee route
Target entity description: The Colombo–Trincomalee route is a major intercity railway line in Sri Lanka connecting the capital Colombo with the eastern port city of Trincomalee.
  • A. Puttalam Line
    The Puttalam Line is a major railway line in Sri Lanka that runs along the island’s western coast, serving towns and industrial areas between Colombo and Puttalam.
  • B. Colombo–Matara railway line
    The Colombo–Matara railway line is a coastal rail route in southwestern Sri Lanka that connects the capital region with major southern cities, including Galle and Matara.
  • C. Main Line (Sri Lanka)
    Main Line (Sri Lanka) is a major railway route running inland from Colombo through the central highlands, serving as one of the country’s primary passenger and freight corridors.
  • 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

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69c00845ca68819081a2ce3ecca577f7 elicitation completed
NER batch_69c02a959b108190a7408560e1b34cd2 ner completed
NED1 batch_69c0e352c74481909e74fa0a2607b44d ned_source_triple completed
NED2 batch_69c0f1a171c481909a897f342b6d6329 ned_description completed
NEDg batch_69c0f1282148819086b9f1c24dcb0a46 nedg completed
Created at: March 22, 2026, 3:51 p.m.