Triple
T12982883
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sri Lanka Railways |
E321694
|
entity |
| Predicate | operatesLine |
P15252
|
FINISHED |
| Object | Puttalam Line |
E549467
|
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: Puttalam Line | Statement: [Sri Lanka Railways, operatesLine, Puttalam Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Puttalam Line Context triple: [Sri Lanka Railways, operatesLine, Puttalam Line]
-
A.
Puttalam Line
chosen
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.
-
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.
Eastern Line (Sri Lanka)
Eastern Line (Sri Lanka) is a major railway route in Sri Lanka that connects the island’s eastern regions with the national rail network, serving key towns and facilitating passenger and freight transport.
-
D.
Main Line (Sri Lanka)
Main Line (Sri Lanka) is a major railway route running inland from Colombo through the central highlands, serving as one of the country’s primary passenger and freight corridors.
-
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 (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_69f6e266000c8190b0ba4c9e63ba0542 |
completed | May 3, 2026, 5:51 a.m. |
Created at: April 9, 2026, 8:39 p.m.