Triple
T5444480
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chester railway station |
E122213
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | Merseyrail |
E274951
|
NE FINISHED |
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: Merseyrail | Statement: [Chester railway station, servedBy, Merseyrail]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Merseyrail Context triple: [Chester railway station, servedBy, Merseyrail]
-
A.
Merseyrail
chosen
Merseyrail is a commuter rail network serving the Liverpool City Region and surrounding areas in Merseyside, England.
-
B.
Merseytravel
Merseytravel is the public transport executive and strategic transport authority for the Liverpool City Region in England, overseeing local rail, bus, and ferry services and key infrastructure.
-
C.
Manchester Metrolink
Manchester Metrolink is a light rail/tram network serving Greater Manchester, England, connecting the city centre with surrounding suburbs and key regional destinations.
-
D.
Tyne and Wear Metro
Tyne and Wear Metro is a light rail rapid transit system serving Newcastle upon Tyne, Sunderland, and surrounding areas in North East England.
-
E.
Trafford Park Line
The Trafford Park Line is a light rail route on Greater Manchester's Metrolink network that serves key destinations including the Trafford Centre and the Trafford Park industrial area.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69bd4640f52c81909e653ec361f66d76 |
completed | March 20, 2026, 1:06 p.m. |
| NER | Named-entity recognition | batch_69bd91ce3e4081908e11a731416c0378 |
completed | March 20, 2026, 6:28 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bf4132bcf08190af2ca506a40fb26e |
completed | March 22, 2026, 1:09 a.m. |
Created at: March 20, 2026, 2:07 p.m.