Triple
T3275142
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Southport |
E68739
|
entity |
| Predicate | servedByRailLine |
P1293
|
FINISHED |
| Object | Merseyrail Northern Line |
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 Northern Line | Statement: [Southport, servedByRailLine, Merseyrail Northern Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Merseyrail Northern Line Context triple: [Southport, servedByRailLine, Merseyrail Northern Line]
-
A.
Merseyrail
chosen
Merseyrail is a commuter rail network serving the Liverpool City Region and surrounding areas in Merseyside, England.
-
B.
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.
-
C.
Manchester–Bury line
The Manchester–Bury line was a former railway route in Greater Manchester, England, that connected Manchester with the town of Bury and served several intermediate communities.
-
D.
Altrincham Line
The Altrincham Line is a Manchester Metrolink light rail route running between Altrincham and central Manchester, serving several suburban areas in the south of the city.
-
E.
Tyne Valley line
The Tyne Valley line is a railway route in northern England that runs through the Tyne Valley, linking Carlisle with Newcastle and serving towns and communities along the River Tyne.
- 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_69ad859b54f881909bf530d549caf2fd |
completed | March 8, 2026, 2:20 p.m. |
| NER | Named-entity recognition | batch_69adaff8a440819092509bc8511b2785 |
completed | March 8, 2026, 5:20 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b2e841d5588190a53ba90a46721b0f |
completed | March 12, 2026, 4:22 p.m. |
Created at: March 8, 2026, 3:10 p.m.