Triple
T22522134
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Maradana |
E556806
|
entity |
| Predicate | hasRailwayStation |
P918
|
FINISHED |
| Object | Maradana Railway Station |
—
|
NE NERFINISHED |
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: Maradana Railway Station | Statement: [Maradana, hasRailwayStation, Maradana Railway Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Maradana Railway Station Context triple: [Maradana, hasRailwayStation, Maradana Railway Station]
-
A.
Maradana railway station
chosen
Maradana railway station is a major railway hub in Colombo, Sri Lanka, serving as one of the city’s primary junctions connecting multiple key lines across the country.
-
B.
Bandarawela railway station
Bandarawela railway station is a key stop on Sri Lanka’s scenic Main Line, serving the hill-country town of Bandarawela and connecting it with major cities such as Colombo and Badulla.
-
C.
Kelaniya railway station
Kelaniya railway station is a passenger rail station in Kelaniya, Sri Lanka, serving as part of the country’s main railway network near Colombo.
-
D.
Gampola railway station
Gampola railway station is a train station in Sri Lanka’s Central Province that serves the town of Gampola on the country’s Main Line.
-
E.
Colombo Fort railway station
Colombo Fort railway station is the main railway hub in Colombo, Sri Lanka, serving as a central junction for both suburban and long-distance train services across the country.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e11e5657e881909f16ca58352c50da |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f15e32b8a88190ac335d4298dd5ee3 |
completed | April 29, 2026, 1:26 a.m. |
Created at: April 16, 2026, 8:50 p.m.