Triple
T13075499
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Croydon town centre |
E329561
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | Thameslink railway services |
E31951
|
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: Thameslink railway services | Statement: [Croydon town centre, servedBy, Thameslink railway services]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Thameslink railway services Context triple: [Croydon town centre, servedBy, Thameslink railway services]
-
A.
Thameslink
chosen
Thameslink is a major British rail network providing cross-London services that connect destinations across the South East of England.
-
B.
Transport for London rail services
Transport for London rail services comprise the network of urban rail operations in London, including the Underground, Overground, Docklands Light Railway, and other rail-based public transport managed by Transport for London.
-
C.
Thames Trains
Thames Trains was a former British train operating company that provided regional and commuter rail services in the Thames Valley area of England in the late 1990s and early 2000s.
-
D.
City Thameslink
City Thameslink is a central London railway station on the Thameslink route, serving commuter and regional services through the City of London.
-
E.
Thameslink at King's Cross St Pancras
Thameslink at King's Cross St Pancras is a major central London rail hub on the cross-city Thameslink route, providing frequent mainline and commuter services that interconnect with multiple London Underground lines and national rail networks.
- 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_69d80771749c81909a6d9197b9504872 |
completed | April 9, 2026, 8:09 p.m. |
| NER | Named-entity recognition | batch_69d98117209081908272021013df2222 |
completed | April 10, 2026, 11 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6d608a2288190bf07023a5303f887 |
completed | May 3, 2026, 4:58 a.m. |
Created at: April 9, 2026, 9 p.m.