Triple
T13954654
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tal-y-Cafn |
E335623
|
entity |
| Predicate | hasFormerInfrastructure |
P59507
|
FINISHED |
| Object |
Tal-y-Cafn railway station
Tal-y-Cafn railway station is a small rural stop on the Conwy Valley Line in Wales, serving the village of Tal-y-Cafn and surrounding areas.
|
E1071316
|
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: Tal-y-Cafn railway station | Statement: [Tal-y-Cafn, hasFormerInfrastructure, Tal-y-Cafn railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tal-y-Cafn railway station Context triple: [Tal-y-Cafn, hasFormerInfrastructure, Tal-y-Cafn railway station]
-
A.
Cefn-y-Bedd railway station
Cefn-y-Bedd railway station is a small rural stop in Wrexham County Borough, Wales, serving the village of Cefn-y-Bedd with local passenger services.
-
B.
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.
-
C.
Caerphilly railway station
Caerphilly railway station is a passenger rail station in Caerphilly, Wales, providing local and regional train services.
-
D.
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.
-
E.
Ystrad Mynach railway station
Ystrad Mynach railway station is a commuter rail stop in Caerphilly County Borough, Wales, providing local and regional services on the Valley Lines network.
- 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: Tal-y-Cafn railway station Triple: [Tal-y-Cafn, hasFormerInfrastructure, Tal-y-Cafn railway station]
Generated description
Tal-y-Cafn railway station is a small rural stop on the Conwy Valley Line in Wales, serving the village of Tal-y-Cafn and surrounding areas.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Tal-y-Cafn railway station Target entity description: Tal-y-Cafn railway station is a small rural stop on the Conwy Valley Line in Wales, serving the village of Tal-y-Cafn and surrounding areas.
-
A.
Cefn-y-Bedd railway station
Cefn-y-Bedd railway station is a small rural stop in Wrexham County Borough, Wales, serving the village of Cefn-y-Bedd with local passenger services.
-
B.
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.
-
C.
Caerphilly railway station
Caerphilly railway station is a passenger rail station in Caerphilly, Wales, providing local and regional train services.
-
D.
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.
-
E.
Ystrad Mynach railway station
Ystrad Mynach railway station is a commuter rail stop in Caerphilly County Borough, Wales, providing local and regional services on the Valley Lines network.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hasFormerInfrastructure Context triple: [Tal-y-Cafn, hasFormerInfrastructure, Tal-y-Cafn railway station]
-
A.
formerInfrastructure
chosen
Indicates that an entity once served as infrastructure for another entity or system but no longer holds that functional status.
-
B.
hasInfrastructureAbove
Indicates that one entity’s infrastructure is physically located above or over another entity.
-
C.
hasFormerBuilding
Indicates that an entity previously occupied or used a different building, which is identified as its former building.
-
D.
hasFormerSettlement
Indicates that a location previously contained a settlement that no longer exists or is no longer inhabited.
-
E.
hasFormerService
Indicates that an entity previously provided a service to another entity but no longer does so.
- 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_69d81c6081b88190b53e317c3370c8fe |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de2e78a4a481908e438745631a43c0 |
completed | April 14, 2026, 12:09 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fba1d0735c81909ec0eab090af08a1 |
completed | May 6, 2026, 8:17 p.m. |
| NEDg | Description generation | batch_69fba5646cb48190acd932f6fbd6fe62 |
completed | May 6, 2026, 8:32 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69fba6525d0c8190a1ab15881030c11c |
completed | May 6, 2026, 8:36 p.m. |
| PD | Predicate disambiguation | batch_69de05a3ccf88190b45c742db483fa08 |
completed | April 14, 2026, 9:15 a.m. |
Created at: April 9, 2026, 10:17 p.m.