Triple
T522381
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Transport for Wales Rail |
E10845
|
entity |
| Predicate | operatesOnLine |
P15252
|
FINISHED |
| Object |
Heart of Wales Line
The Heart of Wales Line is a scenic rural railway route in Wales and the English borderlands, known for its picturesque landscapes, small request-stop stations, and leisurely services connecting Swansea and Shrewsbury.
|
E65697
|
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: Heart of Wales Line | Statement: [Transport for Wales Rail, operatesOnLine, Heart of Wales Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Heart of Wales Line Context triple: [Transport for Wales Rail, operatesOnLine, Heart of Wales Line]
-
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.
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.
-
C.
Welsh Marches Line
The Welsh Marches Line is a major railway route in the United Kingdom running through the border counties between England and Wales, linking cities such as Shrewsbury, Hereford, and Newport.
-
D.
Talyllyn Railway
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.
-
E.
Cardiff to Portsmouth Line
The Cardiff to Portsmouth Line is a major cross-country railway route in the United Kingdom linking South Wales with the south coast of England via cities such as Bristol and Southampton.
- 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: Heart of Wales Line Triple: [Transport for Wales Rail, operatesOnLine, Heart of Wales Line]
Generated description
The Heart of Wales Line is a scenic rural railway route in Wales and the English borderlands, known for its picturesque landscapes, small request-stop stations, and leisurely services connecting Swansea and Shrewsbury.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Heart of Wales Line Target entity description: The Heart of Wales Line is a scenic rural railway route in Wales and the English borderlands, known for its picturesque landscapes, small request-stop stations, and leisurely services connecting Swansea and Shrewsbury.
-
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.
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.
-
C.
Welsh Marches Line
The Welsh Marches Line is a major railway route in the United Kingdom running through the border counties between England and Wales, linking cities such as Shrewsbury, Hereford, and Newport.
-
D.
Talyllyn Railway
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.
-
E.
Cardiff to Portsmouth Line
The Cardiff to Portsmouth Line is a major cross-country railway route in the United Kingdom linking South Wales with the south coast of England via cities such as Bristol and Southampton.
- 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_69a2e84b16c4819088d284c47c3a7968 |
completed | Feb. 28, 2026, 1:06 p.m. |
| NER | Named-entity recognition | batch_69a2f3b7557c8190a29cf1de359ea2ea |
completed | Feb. 28, 2026, 1:55 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a4b23dca0c8190b240bb7c9fb8b799 |
completed | March 1, 2026, 9:40 p.m. |
| NEDg | Description generation | batch_69a4b30e28b08190994811d66a091d6b |
completed | March 1, 2026, 9:43 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a4b384035c8190b7408b2232626d19 |
completed | March 1, 2026, 9:45 p.m. |
Created at: Feb. 28, 2026, 1:12 p.m.