Triple
T13669176
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Maradana railway station |
E327703
|
entity |
| Predicate | railwayLine |
P848
|
FINISHED |
| Object | Kelani Valley Line |
E549055
|
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: Kelani Valley Line | Statement: [Maradana railway station, railwayLine, Kelani Valley Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Kelani Valley Line Context triple: [Maradana railway station, railwayLine, Kelani Valley Line]
-
A.
Kelani Valley Line
chosen
The Kelani Valley Line is a Sri Lankan railway line that runs from Colombo into the interior highlands, serving suburban and rural communities along the Kelani River basin.
-
B.
RTA Waterfront Line
The RTA Waterfront Line is a light rail line in Cleveland, Ohio, that connects downtown with the city's waterfront attractions and nearby neighborhoods.
-
C.
Onehunga Line
The Onehunga Line is a suburban commuter rail service in Auckland, New Zealand, connecting the suburb of Onehunga with central city stations as part of the Auckland rail network.
-
D.
East–West Line
The East–West Line was the original name for what is now MARTA’s Blue Line, a major rapid transit route serving the Atlanta metropolitan area.
-
E.
Valley Line
The Valley Line is a light rail transit route in Edmonton, Alberta, designed as a low-floor, urban-style line connecting southeastern and western parts of the city.
- 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_69f78b0f56048190bcbc6581a8cdc0f5 |
completed | May 3, 2026, 5:51 p.m. |
Created at: April 9, 2026, 9:53 p.m.