Triple

T5798459
Position Surface form Disambiguated ID Type / Status
Subject Colombo Fort railway station E128563 entity
Predicate connectsTo P845 FINISHED
Object 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.
 E549054 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: Main Line (Sri Lanka) | Statement: [Colombo Fort railway station, connectsTo, Main Line (Sri Lanka)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Main Line (Sri Lanka)
Context triple: [Colombo Fort railway station, connectsTo, Main Line (Sri Lanka)]
  • A. 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.
  • 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. Sri Lankan national highway network
    The Sri Lankan national highway network is the country’s primary system of major roads that connects key cities, ports, and regions across the island to support transport, trade, and travel.
  • D. Sanjaya line
    The Sanjaya line was an early Javanese Hindu dynasty that ruled parts of Central Java in present-day Indonesia during the 8th and 9th centuries.
  • E. Aluthgama
    Aluthgama is a coastal town in southwestern Sri Lanka known for its beaches, tourism, and location along major road and rail routes.
  • 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: Main Line (Sri Lanka)
Triple: [Colombo Fort railway station, connectsTo, Main Line (Sri Lanka)]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Main Line (Sri Lanka)
Target entity description: 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.
  • A. 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.
  • 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. Sri Lankan national highway network
    The Sri Lankan national highway network is the country’s primary system of major roads that connects key cities, ports, and regions across the island to support transport, trade, and travel.
  • D. Sanjaya line
    The Sanjaya line was an early Javanese Hindu dynasty that ruled parts of Central Java in present-day Indonesia during the 8th and 9th centuries.
  • E. Aluthgama
    Aluthgama is a coastal town in southwestern Sri Lanka known for its beaches, tourism, and location along major road and rail routes.
  • 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_69c098302d4c81908b56747d304b3e6a completed March 23, 2026, 1:32 a.m.
NEDg Description generation batch_69c098d889e08190adbd12504a7f3fa1 completed March 23, 2026, 1:35 a.m.
NED2 Entity disambiguation (via description) batch_69c09990da18819099fdc8f25f2ddef2 completed March 23, 2026, 1:38 a.m.
Created at: March 22, 2026, 3:51 p.m.