Triple
T22251315
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Heathrow Connect route |
E549984
|
entity |
| Predicate | endPoint |
P390
|
FINISHED |
| Object | Heathrow Terminal 4 railway station |
—
|
NE NERFINISHED |
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: Heathrow Terminal 4 railway station | Statement: [Heathrow Connect route, endPoint, Heathrow Terminal 4 railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Heathrow Terminal 4 railway station Context triple: [Heathrow Connect route, endPoint, Heathrow Terminal 4 railway station]
-
A.
Heathrow Terminal 4 railway station
chosen
Heathrow Terminal 4 railway station is a rail stop serving London Heathrow Airport’s Terminal 4, providing direct train connections between the terminal and central London as well as other parts of the rail network.
-
B.
Heathrow Terminal 5 railway station
Heathrow Terminal 5 railway station is a major rail hub directly serving Heathrow Airport’s Terminal 5, providing mainline and express train connections to central London and beyond.
-
C.
Heathrow Terminals 2 & 3 Underground station
Heathrow Terminals 2 & 3 Underground station is a London Underground station on the Piccadilly line serving Terminals 2 and 3 of Heathrow Airport, providing direct rail access between the airport and central London.
-
D.
Heathrow Terminal 4
Heathrow Terminal 4 is one of the passenger terminals at London Heathrow Airport, serving various international and domestic flights and connected to central London by rail and other transport links.
-
E.
Gatwick Airport railway station
Gatwick Airport railway station is a major rail hub in West Sussex, England, providing direct train services between London, southern England, and Gatwick Airport.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e11e41d9408190bd770cf282e22753 |
completed | April 16, 2026, 5:37 p.m. |
| NER | Named-entity recognition | batch_69f138befa208190877760dec1896740 |
completed | April 28, 2026, 10:46 p.m. |
Created at: April 16, 2026, 8:39 p.m.