Triple
T22930129
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Bambalapitiya |
E569411
|
entity |
| Predicate | hasRailwayStation |
P918
|
FINISHED |
| Object | Bambalapitiya railway station |
—
|
NE NERFINISHED |
How this triple was built (3 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: Bambalapitiya railway station | Statement: [Bambalapitiya, hasRailwayStation, Bambalapitiya railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bambalapitiya railway station Context triple: [Bambalapitiya, hasRailwayStation, Bambalapitiya railway station]
-
A.
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.
-
B.
Hikkaduwa railway station
Hikkaduwa railway station is a coastal train station in Sri Lanka serving the popular beach town of Hikkaduwa on the country’s southern railway corridor.
-
C.
Ambalangoda railway station
Ambalangoda railway station is a train station in the coastal town of Ambalangoda in southern Sri Lanka, serving as a stop on the country’s coastal railway line.
-
D.
Badulla railway station
Badulla railway station is the scenic terminus of Sri Lanka’s Main Line, serving the hill-country town of Badulla and known for its historic charm and surrounding tea-country landscapes.
-
E.
Aluthgama railway station
Aluthgama railway station is a coastal train station in Sri Lanka serving the town of Aluthgama on the busy southern rail corridor.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Bambalapitiya railway station Target entity description: Bambalapitiya railway station is a coastal suburban train station in Colombo, Sri Lanka, serving the Bambalapitiya area on the country’s main railway line.
-
A.
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.
-
B.
Hikkaduwa railway station
Hikkaduwa railway station is a coastal train station in Sri Lanka serving the popular beach town of Hikkaduwa on the country’s southern railway corridor.
-
C.
Ambalangoda railway station
Ambalangoda railway station is a train station in the coastal town of Ambalangoda in southern Sri Lanka, serving as a stop on the country’s coastal railway line.
-
D.
Badulla railway station
Badulla railway station is the scenic terminus of Sri Lanka’s Main Line, serving the hill-country town of Badulla and known for its historic charm and surrounding tea-country landscapes.
-
E.
Aluthgama railway station
Aluthgama railway station is a coastal train station in Sri Lanka serving the town of Aluthgama on the busy southern rail corridor.
- F. None of above. chosen
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_69e2458f7d008190901dccbaebeaba24 |
completed | April 17, 2026, 2:37 p.m. |
| NER | Named-entity recognition | batch_69f180dc33e8819099e5ad87207de57f |
completed | April 29, 2026, 3:54 a.m. |
Created at: April 17, 2026, 3:44 p.m.