Triple
T2390814
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Dolwyddelan Castle |
E48936
|
entity |
| Predicate | nearRailwayStation |
P31869
|
FINISHED |
| Object |
Dolwyddelan railway station
Dolwyddelan railway station is a small rural stop on the Conwy Valley Line in North Wales serving the village of Dolwyddelan in Snowdonia National Park.
|
E280405
|
NE FINISHED |
How this triple was built (5 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: Dolwyddelan railway station | Statement: [Dolwyddelan Castle, nearRailwayStation, Dolwyddelan railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Dolwyddelan railway station Context triple: [Dolwyddelan Castle, nearRailwayStation, Dolwyddelan 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.
Tywyn railway station
Tywyn railway station is a small coastal railway stop in Gwynedd, Wales, serving the town of Tywyn on the Cambrian Line.
-
C.
Abergynolwyn railway station
Abergynolwyn railway station is a historic stop on the narrow-gauge Talyllyn Railway in Gwynedd, Wales, serving the former slate-mining village of Abergynolwyn.
-
D.
Harlech railway station
Harlech railway station is a small coastal stop on the Cambrian Coast Line in Gwynedd, Wales, serving the town of Harlech and its nearby historic castle.
-
E.
Llanbedr railway station
Llanbedr railway station is a small rural stop on the Cambrian Coast Line in Gwynedd, Wales, serving the village of Llanbedr and nearby coastal areas.
- 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: Dolwyddelan railway station Triple: [Dolwyddelan Castle, nearRailwayStation, Dolwyddelan railway station]
Generated description
Dolwyddelan railway station is a small rural stop on the Conwy Valley Line in North Wales serving the village of Dolwyddelan in Snowdonia National Park.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Dolwyddelan railway station Target entity description: Dolwyddelan railway station is a small rural stop on the Conwy Valley Line in North Wales serving the village of Dolwyddelan in Snowdonia National Park.
-
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.
Tywyn railway station
Tywyn railway station is a small coastal railway stop in Gwynedd, Wales, serving the town of Tywyn on the Cambrian Line.
-
C.
Abergynolwyn railway station
Abergynolwyn railway station is a historic stop on the narrow-gauge Talyllyn Railway in Gwynedd, Wales, serving the former slate-mining village of Abergynolwyn.
-
D.
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.
-
E.
Harlech railway station
Harlech railway station is a small coastal stop on the Cambrian Coast Line in Gwynedd, Wales, serving the town of Harlech and its nearby historic castle.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: nearRailwayStation Context triple: [Dolwyddelan Castle, nearRailwayStation, Dolwyddelan railway station]
-
A.
hasNearbyRailwayStation
chosen
Indicates that a railway station is located within a short or convenient distance from the referenced entity.
-
B.
nearestPassengerRailStation
Indicates that one entity is the closest passenger rail station in distance to another entity.
-
C.
hasNearbyRailway
Indicates that one entity is located close to a railway associated with or relevant to another entity.
-
D.
nearMetroStation
Indicates that one entity is located close to or within a short walking distance of a metro (subway) station.
-
E.
nearestRailwayLine
Indicates that one railway line is the closest in distance to a given location or feature compared to all other railway lines.
- F. None of above.
Provenance (6 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_69a88aa5f63081908d07fd302029fcbd |
completed | March 4, 2026, 7:40 p.m. |
| NER | Named-entity recognition | batch_69abc87457388190822d5506327db8f2 |
completed | March 7, 2026, 6:40 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69af6540028c8190aaafeada529d2e6a |
completed | March 10, 2026, 12:26 a.m. |
| NEDg | Description generation | batch_69af68b8b2488190b5d87852ca331e0e |
completed | March 10, 2026, 12:41 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69af691252908190ad3671569044dbc4 |
completed | March 10, 2026, 12:42 a.m. |
| PD | Predicate disambiguation | batch_69abc5a1b5748190b4cd8989700f4dd2 |
completed | March 7, 2026, 6:28 a.m. |
Created at: March 4, 2026, 7:57 p.m.