Triple
T10912217
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Llangollen Railway |
E257728
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Glyndyfrdwy railway station
Glyndyfrdwy railway station is a preserved heritage railway stop in Denbighshire, Wales, serving as one of the intermediate stations on the volunteer-run Llangollen Railway.
|
E897697
|
NE FINISHED |
How this triple was built (4 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: Glyndyfrdwy railway station | Statement: [Llangollen Railway, hasStation, Glyndyfrdwy railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Glyndyfrdwy railway station Context triple: [Llangollen Railway, hasStation, Glyndyfrdwy railway station]
-
A.
Nant Gwernol railway station
Nant Gwernol railway station is the upper mountain terminus of the historic narrow-gauge Talyllyn Railway in Mid Wales, serving as a scenic endpoint for heritage steam train services.
-
B.
Rhyd Ddu station
Rhyd Ddu station is a rural stop on the narrow-gauge Welsh Highland Railway in Snowdonia, serving the village of Rhyd Ddu and nearby mountain walking routes.
-
C.
Dyffryn Ardudwy railway station
Dyffryn Ardudwy railway station is a small rural stop on the Cambrian Coast Line in Gwynedd, Wales, serving the village of Dyffryn Ardudwy and nearby coastal communities.
-
D.
Llanuwchllyn station
Llanuwchllyn station is a heritage railway terminus in Gwynedd, Wales, serving as the main base and headquarters of the narrow-gauge Bala Lake Railway.
-
E.
Trawsfynydd railway station
Trawsfynydd railway station is a disused former railway station in Gwynedd, Wales, that once served the village of Trawsfynydd and its surrounding rural area.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Glyndyfrdwy railway station Triple: [Llangollen Railway, hasStation, Glyndyfrdwy railway station]
Generated description
Glyndyfrdwy railway station is a preserved heritage railway stop in Denbighshire, Wales, serving as one of the intermediate stations on the volunteer-run Llangollen Railway.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Glyndyfrdwy railway station Target entity description: Glyndyfrdwy railway station is a preserved heritage railway stop in Denbighshire, Wales, serving as one of the intermediate stations on the volunteer-run Llangollen Railway.
-
A.
Nant Gwernol railway station
Nant Gwernol railway station is the upper mountain terminus of the historic narrow-gauge Talyllyn Railway in Mid Wales, serving as a scenic endpoint for heritage steam train services.
-
B.
Rhyd Ddu station
Rhyd Ddu station is a rural stop on the narrow-gauge Welsh Highland Railway in Snowdonia, serving the village of Rhyd Ddu and nearby mountain walking routes.
-
C.
Dyffryn Ardudwy railway station
Dyffryn Ardudwy railway station is a small rural stop on the Cambrian Coast Line in Gwynedd, Wales, serving the village of Dyffryn Ardudwy and nearby coastal communities.
-
D.
Llanuwchllyn station
Llanuwchllyn station is a heritage railway terminus in Gwynedd, Wales, serving as the main base and headquarters of the narrow-gauge Bala Lake Railway.
-
E.
Trawsfynydd railway station
Trawsfynydd railway station is a disused former railway station in Gwynedd, Wales, that once served the village of Trawsfynydd and its surrounding rural area.
- F. None of above. chosen
Provenance (5 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_69d6aa864ed88190818280ab6791d065 |
completed | April 8, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69d770723df08190bedfdc94d998f969 |
completed | April 9, 2026, 9:25 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e34455ea4c8190b6f2433f3f745b76 |
completed | April 18, 2026, 8:44 a.m. |
| NEDg | Description generation | batch_69e3556ad7ec819095b3babc67ecdfd4 |
completed | April 18, 2026, 9:56 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69e358f860f08190bfd10519ff3806aa |
completed | April 18, 2026, 10:12 a.m. |
Created at: April 8, 2026, 9:22 p.m.