Triple

T5798475
Position Surface form Disambiguated ID Type / Status
Subject Colombo Fort railway station E128563 entity
Predicate servesRoute P31354 FINISHED
Object Colombo–Batticaloa route
The Colombo–Batticaloa route is a major intercity railway line in Sri Lanka that connects the capital Colombo with the eastern city of Batticaloa, traversing diverse regions across the island.
E562404 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: Colombo–Batticaloa route | Statement: [Colombo Fort railway station, servesRoute, Colombo–Batticaloa route]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Colombo–Batticaloa route
Context triple: [Colombo Fort railway station, servesRoute, Colombo–Batticaloa route]
  • A. 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.
  • B. 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.
  • 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. 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.
  • E. 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.
  • 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: Colombo–Batticaloa route
Triple: [Colombo Fort railway station, servesRoute, Colombo–Batticaloa route]
Generated description
The Colombo–Batticaloa route is a major intercity railway line in Sri Lanka that connects the capital Colombo with the eastern city of Batticaloa, traversing diverse regions across the island.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Colombo–Batticaloa route
Target entity description: The Colombo–Batticaloa route is a major intercity railway line in Sri Lanka that connects the capital Colombo with the eastern city of Batticaloa, traversing diverse regions across the island.
  • A. 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.
  • B. 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.
  • 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. 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.
  • E. 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.
  • 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_69c00845ca68819081a2ce3ecca577f7 completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c02a959b108190a7408560e1b34cd2 completed March 22, 2026, 5:44 p.m.
NED1 Entity disambiguation (via context triple) batch_69c107e64edc819080b3ebf9b9137749 completed March 23, 2026, 9:29 a.m.
NEDg Description generation batch_69c109f1ca4c819090da3ac4c9aa8b07 completed March 23, 2026, 9:37 a.m.
NED2 Entity disambiguation (via description) batch_69c10a4bb2348190a5f1faf28aecf522 completed March 23, 2026, 9:39 a.m.
Created at: March 22, 2026, 3:51 p.m.