Triple

T16812243
Position Surface form Disambiguated ID Type / Status
Subject British Rail Class 800 E408642 entity
Predicate family P566 FINISHED
Object AT300
The AT300 is Hitachi’s modular family of high-speed intercity trainsets used on various UK mainline routes, including the British Rail Class 800 series.
 E1235185 NE FINISHED

How this triple was built (4 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: AT300 | Statement: [British Rail Class 800, family, AT300]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: AT300
Context triple: [British Rail Class 800, family, AT300]
  • A. ATA-3
    ATA-3 is the third generation of the AT Attachment (ATA) interface standard for connecting storage devices like hard drives and optical drives to computers, introducing enhancements in performance and reliability over earlier versions.
  • B. AT02
    The AT02 is Scuderia AlphaTauri’s 2021 Formula One racing car, designed to compete in the 2021 FIA Formula One World Championship.
  • C. ATR
    ATR is a Franco-Italian aircraft manufacturer best known for producing regional turboprop airliners widely used by airlines around the world.
  • D. ATR
    ATR is a high-flux nuclear research reactor at Idaho National Laboratory used primarily for materials testing and irradiation experiments.
  • E. ATR
    ATR is the commonly used abbreviation for the Andaman Trunk Road, a major roadway running through the Andaman Islands in India.
  • 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: AT300
Triple: [British Rail Class 800, family, AT300]
Generated description
The AT300 is Hitachi’s modular family of high-speed intercity trainsets used on various UK mainline routes, including the British Rail Class 800 series.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: AT300
Target entity description: The AT300 is Hitachi’s modular family of high-speed intercity trainsets used on various UK mainline routes, including the British Rail Class 800 series.
  • A. ATA-3
    ATA-3 is the third generation of the AT Attachment (ATA) interface standard for connecting storage devices like hard drives and optical drives to computers, introducing enhancements in performance and reliability over earlier versions.
  • B. AT02
    The AT02 is Scuderia AlphaTauri’s 2021 Formula One racing car, designed to compete in the 2021 FIA Formula One World Championship.
  • C. ATR
    ATR is a Franco-Italian aircraft manufacturer best known for producing regional turboprop airliners widely used by airlines around the world.
  • D. ATR
    ATR is a high-flux nuclear research reactor at Idaho National Laboratory used primarily for materials testing and irradiation experiments.
  • E. ATR
    ATR is the commonly used abbreviation for the Andaman Trunk Road, a major roadway running through the Andaman Islands in India.
  • F. None of above. chosen

Provenance (5 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_69d88393905081908d00a86b99996ac8 completed April 10, 2026, 4:58 a.m.
NER Named-entity recognition batch_69e3b2df5c888190a462614e1432c357 completed April 18, 2026, 4:35 p.m.
NED1 Entity disambiguation (via context triple) batch_6a00b292a5888190812539b14eb77f34 completed May 10, 2026, 4:30 p.m.
NEDg Description generation batch_6a00b32d2a588190b59bad56f8817bce completed May 10, 2026, 4:32 p.m.
NED2 Entity disambiguation (via description) batch_6a00b3d14b3c819081f435777f47eca3 completed May 10, 2026, 4:35 p.m.
Created at: April 10, 2026, 5:23 a.m.