Triple
T13669175
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Maradana railway station |
E327703
|
entity |
| Predicate | railwayLine |
P848
|
FINISHED |
| Object | Main Line (Sri Lanka) |
E549054
|
NE FINISHED |
How this triple was built (2 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: [Maradana railway station, railwayLine, Main Line (Sri Lanka)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Main Line (Sri Lanka) Context triple: [Maradana railway station, railwayLine, Main Line (Sri Lanka)]
-
A.
Main Line (Sri Lanka)
chosen
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.
-
B.
Eastern Line (Sri Lanka)
Eastern Line (Sri Lanka) is a major railway route in Sri Lanka that connects the island’s eastern regions with the national rail network, serving key towns and facilitating passenger and freight transport.
-
C.
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.
-
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–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.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d8076f1fa8819094664a59b55010df |
completed | April 9, 2026, 8:09 p.m. |
| NER | Named-entity recognition | batch_69dbc65832688190aea688fee0a7cbdb |
completed | April 12, 2026, 4:20 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f7943bfaf0819097410e901847d77c |
completed | May 3, 2026, 6:30 p.m. |
Created at: April 9, 2026, 9:53 p.m.