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.