Triple
T12982765
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Matara railway station |
E321692
|
entity |
| Predicate | connectsTo |
P845
|
FINISHED |
| Object | Hikkaduwa railway station |
E332840
|
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: Hikkaduwa railway station | Statement: [Matara railway station, connectsTo, Hikkaduwa railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Hikkaduwa railway station Context triple: [Matara railway station, connectsTo, Hikkaduwa railway station]
-
A.
Hikkaduwa railway station
chosen
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.
-
B.
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.
-
C.
Kandy railway station
Kandy railway station is a major rail hub in central Sri Lanka, serving the historic city of Kandy and connecting it to key destinations across the country.
-
D.
Galle railway station
Galle railway station is a major coastal rail hub in southern Sri Lanka, serving the historic city of Galle and connecting it with key destinations including Colombo and Matara.
-
E.
Maradana railway station
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.
- 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_69f6d5f4bedc81909b8dfa79a842e12d |
completed | May 3, 2026, 4:58 a.m. |
Created at: April 9, 2026, 8:39 p.m.