Triple
T3119418
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Borderlands Line |
E65144
|
entity |
| Predicate | terminus |
P388
|
FINISHED |
| Object |
Wrexham Central railway station
Wrexham Central railway station is a small railway terminus in Wrexham, Wales, serving the town centre with local services on the Borderlands Line.
|
E330072
|
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: Wrexham Central railway station | Statement: [Borderlands Line, terminus, Wrexham Central railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Wrexham Central railway station Context triple: [Borderlands Line, terminus, Wrexham Central railway station]
-
A.
Wrexham General railway station
Wrexham General railway station is the main railway station in Wrexham, Wales, providing regional and intercity services on key routes in North Wales and the borderlands.
-
B.
North Wales station
North Wales station is a commuter rail stop in North Wales, Pennsylvania, served by SEPTA Regional Rail.
-
C.
Cwmbran railway station
Cwmbran railway station is a local rail stop in Cwmbran, Wales, providing regional passenger services and connections to the wider rail network.
-
D.
Pontypridd railway station
Pontypridd railway station is a key commuter and interchange station in Pontypridd, Wales, serving as an important hub on the Valley Lines network north of Cardiff.
-
E.
Cynwyd station
Cynwyd station is a SEPTA regional rail station in Bala Cynwyd, Pennsylvania, serving as the northern endpoint of the short Cynwyd Line into Philadelphia.
- 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: Wrexham Central railway station Triple: [Borderlands Line, terminus, Wrexham Central railway station]
Generated description
Wrexham Central railway station is a small railway terminus in Wrexham, Wales, serving the town centre with local services on the Borderlands Line.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Wrexham Central railway station Target entity description: Wrexham Central railway station is a small railway terminus in Wrexham, Wales, serving the town centre with local services on the Borderlands Line.
-
A.
Wrexham General railway station
Wrexham General railway station is the main railway station in Wrexham, Wales, providing regional and intercity services on key routes in North Wales and the borderlands.
-
B.
North Wales station
North Wales station is a commuter rail stop in North Wales, Pennsylvania, served by SEPTA Regional Rail.
-
C.
Cwmbran railway station
Cwmbran railway station is a local rail stop in Cwmbran, Wales, providing regional passenger services and connections to the wider rail network.
-
D.
Pontypridd railway station
Pontypridd railway station is a key commuter and interchange station in Pontypridd, Wales, serving as an important hub on the Valley Lines network north of Cardiff.
-
E.
Cynwyd station
Cynwyd station is a SEPTA regional rail station in Bala Cynwyd, Pennsylvania, serving as the northern endpoint of the short Cynwyd Line into Philadelphia.
- 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_69ad857fcc088190b0c4d45a5cde6f61 |
completed | March 8, 2026, 2:19 p.m. |
| NER | Named-entity recognition | batch_69ada4eb6a6081909df41f67999eb4ff |
completed | March 8, 2026, 4:33 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b20f67b80c8190849581cf1829d840 |
completed | March 12, 2026, 12:57 a.m. |
| NEDg | Description generation | batch_69b2135f05c88190b926556828a038ac |
completed | March 12, 2026, 1:14 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69b214268d588190996d909297baaffc |
completed | March 12, 2026, 1:17 a.m. |
Created at: March 8, 2026, 3:04 p.m.