Triple
T11326964
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | North Greenwich Underground station |
E268244
|
entity |
| Predicate | openedAsPartOf |
P9951
|
FINISHED |
| Object | Jubilee line Extension project |
E59708
|
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: Jubilee line Extension project | Statement: [North Greenwich Underground station, openedAsPartOf, Jubilee line Extension project]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Jubilee line Extension project Context triple: [North Greenwich Underground station, openedAsPartOf, Jubilee line Extension project]
-
A.
Jubilee line extension
chosen
The Jubilee line extension is a major late-20th-century expansion of the London Underground that introduced new stations and modern infrastructure to connect central London with the Docklands and east London.
-
B.
Jubilee line
The Jubilee line is a major London Underground line running across the city from northwest to east, serving key financial and commercial hubs including Canary Wharf.
-
C.
Elizabeth line (Abbey Wood branch)
The Elizabeth line (Abbey Wood branch) is a key Crossrail route in southeast London, providing high-frequency, fast rail services between Abbey Wood, central London, and beyond.
-
D.
Elizabeth line
The Elizabeth line is a major high-capacity railway route across London and its surroundings, forming part of the Crossrail project and providing fast east–west connections through the city.
-
E.
Green Line southern extension
The Green Line southern extension is a Washington Metro expansion project that extended the Green Line further into the suburbs of Prince George's County, Maryland, adding several new stations beyond its previous terminus.
- 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_69d6aacb1f0881908c84a349fd1be047 |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7e9e2253881909518cad0f12ef612 |
completed | April 9, 2026, 6:03 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e54318be088190b57de40a2091447d |
completed | April 19, 2026, 9:03 p.m. |
Created at: April 8, 2026, 9:32 p.m.