Triple
T1319252
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Cardiff to Portsmouth Line |
E28177
|
entity |
| Predicate | via |
P5680
|
FINISHED |
| Object | Portsmouth Harbour railway station |
E103418
|
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: Portsmouth Harbour railway station | Statement: [Cardiff to Portsmouth Line, via, Portsmouth Harbour railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Portsmouth Harbour railway station Context triple: [Cardiff to Portsmouth Line, via, Portsmouth Harbour railway station]
-
A.
Portsmouth Harbour railway station
chosen
Portsmouth Harbour railway station is a major terminus on England’s south coast serving the city of Portsmouth and providing direct rail connections to ferry services for the Isle of Wight and continental Europe.
-
B.
Portsmouth & Southsea railway station
Portsmouth & Southsea railway station is a central railway hub in Portsmouth, England, providing regional and local train services that connect the city with surrounding areas and major destinations.
-
C.
Plymouth railway station
Plymouth railway station is the main railway hub in Plymouth, Devon, providing regional and long-distance train services on the Great Western Main Line and CrossCountry network.
-
D.
Southampton Central railway station
Southampton Central railway station is the main railway hub in Southampton, England, providing regional and long-distance services across the south of the UK.
-
E.
Weymouth railway station
Weymouth railway station is a coastal terminus in Dorset, England, serving the seaside town of Weymouth with regional and long-distance rail services.
- 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_69a498532c3481909223b74af2e578df |
completed | March 1, 2026, 7:49 p.m. |
| NER | Named-entity recognition | batch_69a4c1780be8819083a9365b8a49305d |
completed | March 1, 2026, 10:45 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69acbf2b8d988190b0d84e886629ed05 |
completed | March 8, 2026, 12:13 a.m. |
Created at: March 1, 2026, 7:55 p.m.