Triple
T2243701
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tywyn |
E49453
|
entity |
| Predicate | hasAttraction |
P105
|
FINISHED |
| Object | Talyllyn Railway |
E48102
|
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: Talyllyn Railway | Statement: [Tywyn, hasAttraction, Talyllyn Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Talyllyn Railway Context triple: [Tywyn, hasAttraction, Talyllyn Railway]
-
A.
Talyllyn Railway
chosen
Talyllyn Railway is a historic narrow-gauge heritage railway in Wales, renowned as the world’s first preserved railway to be operated primarily by volunteers.
-
B.
Conwy Valley Line
The Conwy Valley Line is a scenic railway route in North Wales that runs through the Conwy Valley from the coast into the Snowdonia National Park.
-
C.
Cynwyd Line
The Cynwyd Line is a short commuter rail service in the Philadelphia area operated by SEPTA, running between Center City and the Cynwyd neighborhood in Lower Merion Township.
-
D.
Rhymney Line
The Rhymney Line is a suburban railway route in South Wales that connects Cardiff with the town of Rhymney, forming part of the Valley Lines network.
-
E.
Welsh Highland Railway
The Welsh Highland Railway is a scenic narrow-gauge heritage railway in North Wales that runs through the mountainous landscapes of Snowdonia.
- 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_69a88aa979788190ad6500f1d8eee2fc |
completed | March 4, 2026, 7:40 p.m. |
| NER | Named-entity recognition | batch_69abc0c157e88190a5bc876d9591a24b |
completed | March 7, 2026, 6:08 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae8944c9e0819099aee546cfc1a636 |
completed | March 9, 2026, 8:48 a.m. |
Created at: March 4, 2026, 7:47 p.m.