Triple
T375288
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Merionethshire |
E8358
|
entity |
| Predicate | hasRailway |
P848
|
FINISHED |
| Object |
Ffestiniog Railway
Ffestiniog Railway is a historic narrow-gauge heritage railway in North Wales, renowned as one of the oldest independent railway companies in the world and a popular tourist attraction through the Snowdonia landscape.
|
E47909
|
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: Ffestiniog Railway | Statement: [Merionethshire, hasRailway, Ffestiniog Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ffestiniog Railway Context triple: [Merionethshire, hasRailway, Ffestiniog Railway]
-
A.
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.
-
B.
Lochgelly railway station
Lochgelly railway station is a local rail stop in the town of Lochgelly, Fife, Scotland, providing passenger services on regional routes.
-
C.
South Wales Main Line
The South Wales Main Line is a major railway route in Wales that connects London and the west of England with key South Wales cities such as Cardiff and Swansea.
-
D.
Caledonian Railway
Caledonian Railway was a major Scottish railway company that operated extensive routes across Scotland and into England during the 19th and early 20th centuries.
-
E.
Derby railway works
Derby railway works is a historic British railway engineering and manufacturing complex in Derby that played a major role in the development and maintenance of locomotives and rolling stock.
- 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: Ffestiniog Railway Triple: [Merionethshire, hasRailway, Ffestiniog Railway]
Generated description
Ffestiniog Railway is a historic narrow-gauge heritage railway in North Wales, renowned as one of the oldest independent railway companies in the world and a popular tourist attraction through the Snowdonia landscape.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Ffestiniog Railway Target entity description: Ffestiniog Railway is a historic narrow-gauge heritage railway in North Wales, renowned as one of the oldest independent railway companies in the world and a popular tourist attraction through the Snowdonia landscape.
-
A.
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.
-
B.
Lochgelly railway station
Lochgelly railway station is a local rail stop in the town of Lochgelly, Fife, Scotland, providing passenger services on regional routes.
-
C.
South Wales Main Line
The South Wales Main Line is a major railway route in Wales that connects London and the west of England with key South Wales cities such as Cardiff and Swansea.
-
D.
Caledonian Railway
Caledonian Railway was a major Scottish railway company that operated extensive routes across Scotland and into England during the 19th and early 20th centuries.
-
E.
Derby railway works
Derby railway works is a historic British railway engineering and manufacturing complex in Derby that played a major role in the development and maintenance of locomotives and rolling stock.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hasRailway Context triple: [Merionethshire, hasRailway, Ffestiniog Railway]
-
A.
hasRailSystem
Indicates that an entity possesses or is served by a rail-based transportation system.
-
B.
hasRailStation
Indicates that one entity possesses, contains, or is served by a rail station.
-
C.
hasRailwayStation
Indicates that a place or location is served by, or contains, a railway station.
-
D.
railwayLine
chosen
Indicates that there is a railway line connection or route associated with or passing through the referenced entity.
-
E.
servedByRailroad
Indicates that a location or facility is provided with transportation or service by a railroad line or company.
- 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_69a2e7f2ec648190b42bc7db424f8109 |
completed | Feb. 28, 2026, 1:04 p.m. |
| NER | Named-entity recognition | batch_69a2ec1585648190943f1c698e9b2d81 |
completed | Feb. 28, 2026, 1:22 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a3f4dbf49081908ccd464668483b77 |
completed | March 1, 2026, 8:12 a.m. |
| NEDg | Description generation | batch_69a3f6d18c488190ab509ded4d5b0367 |
completed | March 1, 2026, 8:20 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a3fa368edc8190ac00be2189df7cf9 |
completed | March 1, 2026, 8:35 a.m. |
| PD | Predicate disambiguation | batch_69a2e96216048190873ae533fa5b864d |
completed | Feb. 28, 2026, 1:10 p.m. |
Created at: Feb. 28, 2026, 1:08 p.m.