Triple
T6520748
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tottenham Court Road station |
E148373
|
entity |
| Predicate | hasPlatform |
P843
|
FINISHED |
| Object | Northern line northbound |
E61912
|
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: Northern line northbound | Statement: [Tottenham Court Road station, hasPlatform, Northern line northbound]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Northern line northbound Context triple: [Tottenham Court Road station, hasPlatform, Northern line northbound]
-
A.
Northern line
chosen
The Northern line is a major London Underground route running north–south across the city, serving key central and suburban areas.
-
B.
Linha do Norte (Northern Line)
Linha do Norte (Northern Line) is Portugal’s principal mainline railway corridor, linking Lisbon to Porto and serving as the country’s busiest and most important rail route.
-
C.
Main North Line
The Main North Line is a major railway route in New Zealand that runs along the South Island’s east coast, linking Christchurch with Picton and serving both freight and passenger services.
-
D.
T9 Northern Line
T9 Northern Line is a suburban passenger rail service forming part of the Sydney Trains network, connecting Sydney’s northern suburbs with the city and other key hubs.
-
E.
Hamilton Circle Line
The Hamilton Circle Line is a suburban railway route in South Lanarkshire, Scotland, that forms a loop serving Hamilton and surrounding towns as part of the Glasgow commuter rail network.
- 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_69c687e68e748190baceb9298f32d3ed |
completed | March 27, 2026, 1:36 p.m. |
| NER | Named-entity recognition | batch_69c6ad9431f081909b14b3df3414a55f |
completed | March 27, 2026, 4:17 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c6cb6f934481908a95d7424aa23414 |
completed | March 27, 2026, 6:24 p.m. |
Created at: March 27, 2026, 1:45 p.m.