Triple
T16974063
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Waterloo |
E411761
|
entity |
| Predicate | railwayLine |
P848
|
FINISHED |
| Object | Merseyrail Northern Line |
E1194910
|
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 Northern Line | Statement: [Waterloo, railwayLine, Merseyrail Northern Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Merseyrail Northern Line Context triple: [Waterloo, railwayLine, Merseyrail Northern Line]
-
A.
Northern Line of the Merseyrail network
chosen
The Northern Line of the Merseyrail network is a suburban commuter rail line serving Liverpool and surrounding areas, connecting the city centre with northern and southern suburbs via frequent electric train services.
-
B.
Wirral Line
The Wirral Line is a commuter rail line in the Merseyrail network serving Liverpool and the Wirral Peninsula via underground city-centre stations and tunnels under the River Mersey.
-
C.
Merseyrail
Merseyrail is a commuter rail network serving the Liverpool City Region and surrounding areas in Merseyside, England.
-
D.
Liverpool–Kirkby line
The Liverpool–Kirkby line is a suburban rail route in Merseyside, England, forming part of the Merseyrail network and linking Liverpool with the town of Kirkby.
-
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_69d886ca8f348190812768ea8d5055ce |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3d0af06688190a77682aa297cd27e |
completed | April 18, 2026, 6:42 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00d4738fbc819099e8281ebc777091 |
completed | May 10, 2026, 6:54 p.m. |
Created at: April 10, 2026, 5:31 a.m.