Triple
T13697703
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Kalutara South railway station |
E328429
|
entity |
| Predicate | connectsTo |
P845
|
FINISHED |
| Object | Matara railway station |
E321692
|
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: Matara railway station | Statement: [Kalutara South railway station, connectsTo, Matara railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Matara railway station Context triple: [Kalutara South railway station, connectsTo, Matara railway station]
-
A.
Matara railway station
chosen
Matara railway station is a major railway terminus in southern Sri Lanka serving the city of Matara and connecting it to Colombo and other parts of the country.
-
B.
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.
-
C.
Bentota railway station
Bentota railway station is a coastal train station in Sri Lanka serving the resort town of Bentota on the country’s southern railway corridor.
-
D.
Weligama railway station
Weligama railway station is a coastal train stop in southern Sri Lanka serving the town of Weligama on the country’s main southern rail corridor.
-
E.
Kalutara South railway station
Kalutara South railway station is a key coastal rail stop in Sri Lanka’s Western Province, serving the town of Kalutara on the busy commuter and intercity route between Colombo and the country’s southern regions.
- 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_69d8076ff62081908a7bd79889edd7a0 |
completed | April 9, 2026, 8:09 p.m. |
| NER | Named-entity recognition | batch_69dbc878b57c819094e7ea6d1a64211f |
completed | April 12, 2026, 4:29 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f79d4f35888190b2c3df62bde1ce6e |
completed | May 3, 2026, 7:09 p.m. |
Created at: April 9, 2026, 9:54 p.m.