Triple
T1009535
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | East Midlands Railway |
E21789
|
entity |
| Predicate | operatesStation |
P4904
|
FINISHED |
| Object | Nottingham railway station |
E50087
|
NE FINISHED |
How this triple was built (3 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: Nottingham railway station | Statement: [East Midlands Railway, operatesStation, Nottingham railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nottingham railway station Context triple: [East Midlands Railway, operatesStation, Nottingham railway station]
-
A.
Nottingham railway station
chosen
Nottingham railway station is the main railway hub in Nottingham, England, providing regional and long-distance services across the East Midlands and beyond.
-
B.
Sheffield railway station
Sheffield railway station is a major rail hub in South Yorkshire, England, providing regional and long-distance services and serving as the principal station for the city of Sheffield.
-
C.
Derby railway station
Derby railway station is a major railway hub in the East Midlands of England, serving as an important junction for regional and long-distance passenger services.
-
D.
Manchester Victoria railway station
Manchester Victoria railway station is a major railway and Metrolink tram interchange in Manchester, England, serving as a key hub for regional and local services across northern England.
-
E.
Leeds railway station
Leeds railway station is a major rail hub in West Yorkshire, England, serving as one of the busiest and most important transport interchanges in the North of England.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: operatesStation Context triple: [East Midlands Railway, operatesStation, Nottingham railway station]
-
A.
operatesFacility
chosen
Indicates that an entity is responsible for running, managing, or controlling the operations of a particular facility.
-
B.
operatesOver
Indicates that one entity performs actions or exerts functional control across, upon, or throughout another entity or domain.
-
C.
operatesService
Indicates that an agent runs, manages, or provides a particular service.
-
D.
operatesVenue
Indicates that one entity manages and runs the day-to-day operations of a particular venue.
-
E.
operatingStatus
Indicates whether an entity is currently functioning, active, or in service versus inactive, closed, or out of service.
- F. None of above.
Provenance (4 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_69a493c53e648190ae8cb76c433fd9a7 |
completed | March 1, 2026, 7:30 p.m. |
| NER | Named-entity recognition | batch_69a4b7f4c66c8190b6098fb72c1465a3 |
completed | March 1, 2026, 10:04 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ac5995ad6c8190a324094151442bce |
completed | March 7, 2026, 5 p.m. |
| PD | Predicate disambiguation | batch_69a4b7203124819091de68cba5f731c1 |
completed | March 1, 2026, 10:01 p.m. |
Created at: March 1, 2026, 7:41 p.m.