Triple
T13624086
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | National Rail services to London Bridge |
E325531
|
entity |
| Predicate | usesStation |
P726
|
FINISHED |
| Object | Blackfriars railway station |
E71034
|
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: Blackfriars railway station | Statement: [National Rail services to London Bridge, usesStation, Blackfriars railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Blackfriars railway station Context triple: [National Rail services to London Bridge, usesStation, Blackfriars railway station]
-
A.
Blackfriars station
chosen
Blackfriars station is a central London railway and London Underground interchange on the north bank of the River Thames, serving both mainline and Tube services.
-
B.
Richard Street station
Richard Street station is a Hudson–Bergen Light Rail stop in Jersey City, New Jersey, serving the Greenville neighborhood.
-
C.
Parliament railway station
Parliament railway station is a major underground commuter rail station in central Melbourne, Australia, serving the City Loop network and the nearby parliamentary and government precinct.
-
D.
St. Martins station
St. Martins station is a regional rail stop in Philadelphia, Pennsylvania, serving the Chestnut Hill West Line of SEPTA.
-
E.
Islington station
Islington station is a subway station in Toronto, Ontario, serving the western end of Line 2 Bloor–Danforth and acting as a key transit hub with bus connections to the surrounding Etobicoke 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_69d8076aae28819092cf636190ee5529 |
completed | April 9, 2026, 8:09 p.m. |
| NER | Named-entity recognition | batch_69dbbe9b0b648190afee93121483f45f |
completed | April 12, 2026, 3:47 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f77fa4c5fc8190bd791f181fce2aa1 |
completed | May 3, 2026, 5:02 p.m. |
Created at: April 9, 2026, 9:50 p.m.