Triple
T16434067
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | James Street railway station |
E399138
|
entity |
| Predicate | preGroupingCompany |
P5815
|
FINISHED |
| Object |
Mersey Railway
Mersey Railway was a historic British railway company that operated the pioneering underground line beneath the River Mersey, linking Liverpool and Birkenhead.
|
E935766
|
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: Mersey Railway | Statement: [James Street railway station, preGroupingCompany, Mersey Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mersey Railway Context triple: [James Street railway station, preGroupingCompany, Mersey Railway]
-
A.
Merseyrail
Merseyrail is a commuter rail network serving the Liverpool City Region and surrounding areas in Merseyside, England.
-
B.
Liverpool City Line
Liverpool City Line is a suburban rail network serving Liverpool and its surrounding areas, providing frequent commuter services across multiple routes in the Merseyside region.
-
C.
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.
-
D.
Blackpool Tramway
Blackpool Tramway is a historic coastal tram system in Blackpool, England, known as one of the oldest electric tramways in the world still in operation and a major local transport and tourist attraction.
-
E.
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.
- 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: Mersey Railway Triple: [James Street railway station, preGroupingCompany, Mersey Railway]
Generated description
Mersey Railway was a historic British railway company that operated the pioneering underground line beneath the River Mersey, linking Liverpool and Birkenhead.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Mersey Railway Target entity description: Mersey Railway was a historic British railway company that operated the pioneering underground line beneath the River Mersey, linking Liverpool and Birkenhead.
-
A.
Merseyrail
Merseyrail is a commuter rail network serving the Liverpool City Region and surrounding areas in Merseyside, England.
-
B.
Liverpool City Line
Liverpool City Line is a suburban rail network serving Liverpool and its surrounding areas, providing frequent commuter services across multiple routes in the Merseyside region.
-
C.
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.
-
D.
Blackpool Tramway
Blackpool Tramway is a historic coastal tram system in Blackpool, England, known as one of the oldest electric tramways in the world still in operation and a major local transport and tourist attraction.
-
E.
Wirral Line
chosen
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.
- F. None of above.
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_69d87f2b9024819085c20e52de95d583 |
completed | April 10, 2026, 4:40 a.m. |
| NER | Named-entity recognition | batch_69e32ba01a1c8190b5a4700e2364ae63 |
completed | April 18, 2026, 6:58 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00679d15b08190b4e70e4337bff88d |
completed | May 10, 2026, 11:10 a.m. |
| NEDg | Description generation | batch_6a0068a384e0819093c174a46ea5ce10 |
completed | May 10, 2026, 11:14 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0068fa85448190aef06ff27fe16305 |
completed | May 10, 2026, 11:16 a.m. |
Created at: April 10, 2026, 5:10 a.m.