Triple
T12034950
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Runway 09L/27R |
E286512
|
entity |
| Predicate | isPartOf |
P10
|
FINISHED |
| Object | Heathrow parallel runway system |
E396898
|
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: Heathrow parallel runway system | Statement: [Runway 09L/27R, isPartOf, Heathrow parallel runway system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Heathrow parallel runway system Context triple: [Runway 09L/27R, isPartOf, Heathrow parallel runway system]
-
A.
Heathrow Airport expansion projects
Heathrow Airport expansion projects are a series of large-scale infrastructure and capacity enhancement initiatives at London’s Heathrow Airport, including new runways, terminals, and related facilities to accommodate growing air traffic demand.
-
B.
Heathrow Runway 09R/27L
Heathrow Runway 09R/27L is one of the main east–west runways at London Heathrow Airport, handling a significant share of the airport’s takeoffs and landings.
-
C.
Heathrow Runway 09L/27R
chosen
Heathrow Runway 09L/27R is one of London Heathrow Airport’s two main parallel east–west runways, used for a large share of its takeoffs and landings and serving key terminals including Terminal 5.
-
D.
Heathrow Terminal 5
Heathrow Terminal 5 is a major passenger terminal at London Heathrow Airport, primarily serving British Airways and known for its modern design and large capacity.
-
E.
Heathrow Airport rail network
The Heathrow Airport rail network is the integrated system of rail and metro services that connect Heathrow’s terminals with central London and the wider UK 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_69d6ab4669e48190b59246358b0383ab |
completed | April 8, 2026, 7:23 p.m. |
| NER | Named-entity recognition | batch_69d90408cbf0819093270c9833ef149a |
completed | April 10, 2026, 2:07 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f49d7d453c8190a27c5feca8f38991 |
completed | May 1, 2026, 12:33 p.m. |
Created at: April 8, 2026, 9:47 p.m.