Triple
T19184159
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Gampola |
E469654
|
entity |
| Predicate | railwayLine |
P848
|
FINISHED |
| Object | Colombo–Badulla (Main Line) |
—
|
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: Colombo–Badulla (Main Line) | Statement: [Gampola, railwayLine, Colombo–Badulla (Main Line)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Colombo–Badulla (Main Line) Context triple: [Gampola, railwayLine, Colombo–Badulla (Main Line)]
-
A.
Colombo–Badulla railway line
chosen
The Colombo–Badulla railway line is a scenic Sri Lankan rail route that winds through the island’s central highlands, connecting the capital region with the mountainous Up-Country area.
-
B.
Colombo–Matara railway line
The Colombo–Matara railway line is a coastal rail route in southwestern Sri Lanka that connects the capital region with major southern cities, including Galle and Matara.
-
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.
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.
-
E.
Colombo–Batticaloa route
The Colombo–Batticaloa route is a major intercity railway line in Sri Lanka that connects the capital Colombo with the eastern city of Batticaloa, traversing diverse regions across the island.
- 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_69d8dd0ad9088190a173b32657ae2e7a |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5f61f1d9c8190b67555383d821958 |
completed | April 20, 2026, 9:47 a.m. |
Created at: April 10, 2026, 12:07 p.m.