Triple
T9201475
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | United Kingdom’s wartime scientific establishment |
E220849
|
entity |
| Predicate | notableProject |
P4
|
FINISHED |
| Object | Chain Home radar system |
E2278
|
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: Chain Home radar system | Statement: [United Kingdom’s wartime scientific establishment, notableProject, Chain Home radar system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chain Home radar system Context triple: [United Kingdom’s wartime scientific establishment, notableProject, Chain Home radar system]
-
A.
Chain Home radar network
chosen
The Chain Home radar network was Britain’s pioneering early-warning radar system that provided long-range detection of enemy aircraft during the early years of World War II, crucially aiding air defense in the Battle of Britain.
-
B.
ALTAIR radar
ALTAIR radar is a powerful tracking and surveillance radar system located on Kwajalein Atoll, used primarily for space object tracking and missile defense research.
-
C.
Upgraded Early Warning Radar
The Upgraded Early Warning Radar is a high-powered, long-range phased-array radar system used by U.S. missile defense to detect, track, and provide precise targeting data on ballistic missile threats in space.
-
D.
Dowding system
The Dowding system was an innovative integrated air defense network of radar, ground observers, and centralized command that enabled the Royal Air Force to effectively detect and counter German air attacks during World War II.
-
E.
P-12 early warning radar
The P-12 early warning radar is a Soviet-era, mobile, long-range VHF surveillance radar used primarily for detecting and tracking aircraft as part of integrated air defense systems.
- 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_69ca83e8e9248190862cf3e41693b310 |
completed | March 30, 2026, 2:08 p.m. |
| NER | Named-entity recognition | batch_69ccd9429b448190a078e9cdfedd4918 |
completed | April 1, 2026, 8:37 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d05c451210819091188151d799e4cb |
completed | April 4, 2026, 12:33 a.m. |
Created at: March 30, 2026, 7:25 p.m.