Triple
T22740742
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Colombo–Batticaloa route |
E562404
|
entity |
| Predicate | terminus |
P388
|
FINISHED |
| Object | Batticaloa 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: Batticaloa railway station | Statement: [Colombo–Batticaloa route, terminus, Batticaloa railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Batticaloa railway station Context triple: [Colombo–Batticaloa route, terminus, Batticaloa railway station]
-
A.
Batticaloa railway station
chosen
Batticaloa railway station is a major rail terminus in eastern Sri Lanka serving the city of Batticaloa and linking it to the country’s central and western regions.
-
B.
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.
-
C.
Trincomalee railway station
Trincomalee railway station is a key terminus on Sri Lanka’s Eastern Province rail network, serving the coastal city of Trincomalee and linking it to major inland hubs.
-
D.
Puttalam railway station
Puttalam railway station is the main rail terminus serving the town of Puttalam in northwestern Sri Lanka.
-
E.
Vavuniya railway station
Vavuniya railway station is a key railway hub in northern Sri Lanka, serving as an important junction on the island’s main line between the south and the Jaffna Peninsula.
- 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_69e245513a5c81908d5cb471b4fc429d |
completed | April 17, 2026, 2:36 p.m. |
| NER | Named-entity recognition | batch_69f17972fde8819086094cea289a2af8 |
completed | April 29, 2026, 3:22 a.m. |
Created at: April 17, 2026, 3:23 p.m.