Triple
T615537
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chain Home Low |
E12195
|
entity |
| Predicate | detectionRangeCharacteristic |
P13474
|
FINISHED |
| Object |
shorter range than Chain Home
Chain Home Low was a British World War II radar system designed to detect low-flying aircraft at shorter distances than the main Chain Home network.
|
E2278
|
NE FINISHED |
How this triple was built (5 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: shorter range than Chain Home | Statement: [Chain Home Low, detectionRangeCharacteristic, shorter range than Chain Home]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: shorter range than Chain Home Context triple: [Chain Home Low, detectionRangeCharacteristic, shorter range than Chain Home]
-
A.
Chain Home radar network
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.
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.
-
C.
Knickebein radio navigation system
The Knickebein radio navigation system was a World War II German Luftwaffe beam-guidance technology used to direct bombers accurately to their targets at night and in poor visibility.
-
D.
AN/TPY-2 radar
The AN/TPY-2 radar is a high-resolution, X-band, phased-array missile defense radar used for detecting, tracking, and discriminating ballistic missile threats.
-
E.
Fairey Battle
The Fairey Battle was a British single-engine light bomber used by the Royal Air Force in the early years of World War II, noted for its heavy losses in combat due to inadequate performance against modern fighters.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: shorter range than Chain Home Triple: [Chain Home Low, detectionRangeCharacteristic, shorter range than Chain Home]
Generated description
Chain Home Low was a British World War II radar system designed to detect low-flying aircraft at shorter distances than the main Chain Home network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: shorter range than Chain Home Target entity description: Chain Home Low was a British World War II radar system designed to detect low-flying aircraft at shorter distances than the main Chain Home network.
-
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.
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.
-
C.
Knickebein radio navigation system
The Knickebein radio navigation system was a World War II German Luftwaffe beam-guidance technology used to direct bombers accurately to their targets at night and in poor visibility.
-
D.
AN/TPY-2 radar
The AN/TPY-2 radar is a high-resolution, X-band, phased-array missile defense radar used for detecting, tracking, and discriminating ballistic missile threats.
-
E.
Fairey Battle
The Fairey Battle was a British single-engine light bomber used by the Royal Air Force in the early years of World War II, noted for its heavy losses in combat due to inadequate performance against modern fighters.
- F. None of above.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: detectionRangeCharacteristic Context triple: [Chain Home Low, detectionRangeCharacteristic, shorter range than Chain Home]
-
A.
detectorType
Indicates the specific kind or category of detector associated with an entity or measurement.
-
B.
rangeCapability
Indicates the maximum distance or extent over which an entity can effectively operate, function, or exert its effect.
-
C.
radarType
Indicates the specific category or classification of radar associated with an entity.
-
D.
typicalRange
chosen
Indicates the usual or expected range of values, conditions, or states within which something normally occurs or applies.
-
E.
maximumReach
Indicates the greatest extent, distance, or limit that something can reach or influence within a given context.
- F. None of above.
Provenance (6 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_69a493309df48190a327f748e88049a6 |
completed | March 1, 2026, 7:27 p.m. |
| NER | Named-entity recognition | batch_69a49e0b438881909ad515adf7a4eb79 |
completed | March 1, 2026, 8:14 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a5554b4f888190b9b64ece37087bf4 |
completed | March 2, 2026, 9:15 a.m. |
| NEDg | Description generation | batch_69a555ae08b88190aad64ec7923437ef |
completed | March 2, 2026, 9:17 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a556669878819098816d2221a3fd3d |
completed | March 2, 2026, 9:20 a.m. |
| PD | Predicate disambiguation | batch_69a49cfbcbf88190a854921dc531eba8 |
completed | March 1, 2026, 8:09 p.m. |
Created at: March 1, 2026, 7:35 p.m.