Triple
T21116514
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chester–Crewe line |
E520312
|
entity |
| Predicate | connectsTo |
P845
|
FINISHED |
| Object | North Wales Coast Line at Chester |
—
|
NE NERFINISHED |
How this triple was built (2 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: North Wales Coast Line at Chester | Statement: [Chester–Crewe line, connectsTo, North Wales Coast Line at Chester]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: North Wales Coast Line at Chester Context triple: [Chester–Crewe line, connectsTo, North Wales Coast Line at Chester]
-
A.
West Coast Main Line at Chester
The West Coast Main Line at Chester is a key junction where the major intercity rail route between London and northwest England links with services to North Wales via the North Wales Coast Line.
-
B.
Chester–Birkenhead railway line
The Chester–Birkenhead railway line is a rail route in northwest England linking the city of Chester with Birkenhead on the Wirral Peninsula, now largely integrated into the Merseyrail network.
-
C.
Manchester to Chester line
The Manchester to Chester line is a regional railway route in North West England connecting the cities of Manchester and Chester via intermediate towns and stations.
-
D.
Chester–Crewe line
The Chester–Crewe line is a key railway route in northwest England linking the historic city of Chester with the major rail junction at Crewe, serving both regional and long-distance passenger services.
-
E.
North Wales Coast Line
chosen
The North Wales Coast Line is a major railway route in Wales that runs along the north coast, connecting key towns and cities such as Chester, Llandudno Junction, Bangor, and Holyhead.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e0b509a318819092fbbcb21d1fe603 |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e72106a3b48190a0efa51a74ae21f0 |
completed | April 21, 2026, 7:02 a.m. |
Created at: April 16, 2026, 2:55 p.m.