Triple
T5189361
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ludgate Hill |
E117111
|
entity |
| Predicate | hasNearbyRailwayStation |
P31869
|
FINISHED |
| Object | City Thameslink |
E167881
|
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: City Thameslink | Statement: [Ludgate Hill, hasNearbyRailwayStation, City Thameslink]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: City Thameslink Context triple: [Ludgate Hill, hasNearbyRailwayStation, City Thameslink]
-
A.
City Thameslink
chosen
City Thameslink is a central London railway station on the Thameslink route, serving commuter and regional services through the City of London.
-
B.
Thameslink
Thameslink is a major British rail network providing cross-London services that connect destinations across the South East of England.
-
C.
Govia Thameslink Railway
Govia Thameslink Railway is a major UK train operating company that runs the Thameslink, Southern, Great Northern, and Gatwick Express services across London and surrounding regions.
-
D.
TfW Rail
TfW Rail is the train operating company responsible for providing passenger rail services across Wales and the bordering regions of England under the Transport for Wales brand.
-
E.
Tramlink
Tramlink is a light rail tram system serving the Croydon area and surrounding districts in South London.
- 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_69bd44620ff48190bcac01782107a397 |
completed | March 20, 2026, 12:58 p.m. |
| NER | Named-entity recognition | batch_69bd79c732b48190af62dfffcbc5e3a6 |
completed | March 20, 2026, 4:45 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69beefbcbd1881908afc477150135961 |
completed | March 21, 2026, 7:21 p.m. |
Created at: March 20, 2026, 1:46 p.m.