Triple
T22231112
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Puttalam Line |
E549467
|
entity |
| Predicate | endPoint |
P390
|
FINISHED |
| Object | Puttalam 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: Puttalam railway station | Statement: [Puttalam Line, endPoint, Puttalam railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Puttalam railway station Context triple: [Puttalam Line, endPoint, Puttalam railway station]
-
A.
Puttalam railway station
chosen
Puttalam railway station is the main rail terminus serving the town of Puttalam in northwestern Sri Lanka.
-
B.
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.
-
C.
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.
-
D.
Jaffna railway station
Jaffna railway station is a major rail hub in northern Sri Lanka, serving the city of Jaffna and connecting it to Colombo and other key destinations on the island’s rail network.
-
E.
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.
- 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_69e11e4102b881909cf47d3768e25c19 |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f12bf2a26c81908aaf614d7c75e219 |
completed | April 28, 2026, 9:51 p.m. |
Created at: April 16, 2026, 8:38 p.m.