Triple
T12982771
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Matara railway station |
E321692
|
entity |
| Predicate | partOfNetwork |
P840
|
FINISHED |
| Object | Sri Lanka Railways network |
E321694
|
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: Sri Lanka Railways network | Statement: [Matara railway station, partOfNetwork, Sri Lanka Railways network]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sri Lanka Railways network Context triple: [Matara railway station, partOfNetwork, Sri Lanka Railways network]
-
A.
Sri Lanka Railways
chosen
Sri Lanka Railways is the state-owned national railway operator of Sri Lanka, providing passenger and freight rail services across the country.
-
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.
Sri Lankan national highway network
The Sri Lankan national highway network is the country’s primary system of major roads that connects key cities, ports, and regions across the island to support transport, trade, and travel.
-
E.
Southern Expressway of Sri Lanka
The Southern Expressway of Sri Lanka is a major controlled-access highway linking Colombo with key southern cities, significantly reducing travel time and boosting regional economic development.
- 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_69d8076479b8819090afce3591939cdf |
completed | April 9, 2026, 8:09 p.m. |
| NER | Named-entity recognition | batch_69d97e5ca33481909a6cb06c636889f9 |
completed | April 10, 2026, 10:49 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6b8f4320881909d66eaa48f888fab |
completed | May 3, 2026, 2:54 a.m. |
Created at: April 9, 2026, 8:39 p.m.