Triple
T10857850
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Silverlink Metro |
E256315
|
entity |
| Predicate | predecessorOf |
P97
|
FINISHED |
| Object | London Overground West London Line services |
E261994
|
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: London Overground West London Line services | Statement: [Silverlink Metro, predecessorOf, London Overground West London Line services]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: London Overground West London Line services Context triple: [Silverlink Metro, predecessorOf, London Overground West London Line services]
-
A.
West London line
chosen
The West London line is a north–south railway route in west London that connects Willesden Junction to Clapham Junction, used by both London Overground and other train operators.
-
B.
London Overground
London Overground is a suburban rail network in London that connects outer districts and some central hubs using a mix of newly built and former National Rail lines, integrated into the city’s public transport system.
-
C.
North London line
The North London line is a key orbital railway route in London that runs across the northern part of the city, connecting numerous suburban areas and major interchange stations.
-
D.
South London Line
The South London Line is a suburban railway route in south London that connects several inner-city districts and provides key commuter services across the area.
-
E.
District line (London Underground)
The District line is a major London Underground line running across the city from east to west, serving numerous suburban areas and key central London destinations.
- 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_69d6aa83d1448190a66d93c32394d21f |
completed | April 8, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69d751377da88190a7244bb9d6b0c2ec |
completed | April 9, 2026, 7:11 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69dff7d0403c8190bc0b92197a25d3ee |
completed | April 15, 2026, 8:40 p.m. |
Created at: April 8, 2026, 9:20 p.m.