Triple
T9664514
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Aberystwyth railway station |
E233667
|
entity |
| Predicate | isKeyHubOn |
P31316
|
FINISHED |
| Object | Cambrian Line |
E37124
|
NE FINISHED |
How this triple was built (3 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: Cambrian Line | Statement: [Aberystwyth railway station, isKeyHubOn, Cambrian Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cambrian Line Context triple: [Aberystwyth railway station, isKeyHubOn, Cambrian Line]
-
A.
Cambrian Line
chosen
The Cambrian Line is a scenic railway route in Wales that runs through rural mid-Wales to the west coast, connecting towns such as Shrewsbury, Aberystwyth, and Pwllheli.
-
B.
Marshlink Line
The Marshlink Line is a regional railway route in Southeast England that runs across the Romney Marsh, connecting Ashford International with Hastings and serving several rural communities.
-
C.
Watercress Line
The Watercress Line is a preserved heritage railway in Hampshire, England, known for its steam-hauled trains running through the countryside between Alton and Alresford.
-
D.
Fen Line
The Fen Line is a railway route in eastern England that runs north from Cambridge towards King’s Lynn, serving towns and communities across Cambridgeshire and Norfolk.
-
E.
Warminster Line
The Warminster Line is a commuter rail service in the Philadelphia region that connects Center City with suburban communities in and around Warminster, Pennsylvania.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: isKeyHubOn Context triple: [Aberystwyth railway station, isKeyHubOn, Cambrian Line]
-
A.
hasPrimaryHub
Indicates that an entity is associated with or operates from a main or central hub location among potentially multiple hubs.
-
B.
isKeyTransitHub
chosen
Indicates that a location functions as a major transfer point where multiple transportation routes or modes intersect and a high volume of passenger or cargo movement is concentrated.
-
C.
isOn
Indicates that one entity is physically positioned above and in contact with the top surface of another entity.
-
D.
connectsKeyHub
Indicates that one entity serves as a key hub that links or routes connections between multiple other entities.
-
E.
hasKeyInfrastructure
Indicates that an entity possesses or is associated with essential infrastructure components critical for its operation or function.
- F. None of above.
Provenance (4 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_69ca848d3b6c8190ae98ea554dea58df |
completed | March 30, 2026, 2:11 p.m. |
| NER | Named-entity recognition | batch_69cd9c0e1ef481909c50a4ba5fd94583 |
completed | April 1, 2026, 10:28 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d19f6d397481908f7db1f272a6a710 |
completed | April 4, 2026, 11:31 p.m. |
| PD | Predicate disambiguation | batch_69ccd5b3239c8190b3ae3b9bd121e4bd |
completed | April 1, 2026, 8:22 a.m. |
Created at: March 30, 2026, 8:14 p.m.