Triple

T15074340
Position Surface form Disambiguated ID Type / Status
Subject CAF A35 tram E379959 entity
Predicate designedBy P184 FINISHED
Object CAF engineering division
CAF engineering division is the in-house design and development arm of Spanish rolling stock manufacturer CAF, responsible for creating and engineering its tram, train, and rail vehicle platforms.
 E1134828 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: CAF engineering division | Statement: [CAF A35 tram, designedBy, CAF engineering division]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: CAF engineering division
Context triple: [CAF A35 tram, designedBy, CAF engineering division]
  • A. ANA Engineering
    ANA Engineering is a specialized aviation maintenance and engineering company within the ANA Group, providing technical support and aircraft maintenance services for the airline’s operations.
  • B. Central Engineering Services
    Central Engineering Services is a prestigious cadre of government engineers in India responsible for planning, designing, and maintaining key public infrastructure and technical projects across various ministries and departments.
  • C. Ford Powertrain Engineering
    Ford Powertrain Engineering is the division of Ford Motor Company responsible for the design, development, and optimization of the automaker’s engines and related powertrain systems.
  • D. División de Ingeniería
    La División de Ingeniería es una gran unidad especializada del Ejército de Chile encargada de las operaciones de ingeniería militar, incluyendo construcción, fortificación, apoyo a la movilidad y tareas de apoyo en emergencias.
  • E. Clinton Engineer Works
    Clinton Engineer Works was a massive World War II-era industrial complex in Oak Ridge, Tennessee, built as part of the Manhattan Project to produce fissile material for the first atomic bombs.
  • 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: CAF engineering division
Triple: [CAF A35 tram, designedBy, CAF engineering division]
Generated description
CAF engineering division is the in-house design and development arm of Spanish rolling stock manufacturer CAF, responsible for creating and engineering its tram, train, and rail vehicle platforms.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: CAF engineering division
Target entity description: CAF engineering division is the in-house design and development arm of Spanish rolling stock manufacturer CAF, responsible for creating and engineering its tram, train, and rail vehicle platforms.
  • A. ANA Engineering
    ANA Engineering is a specialized aviation maintenance and engineering company within the ANA Group, providing technical support and aircraft maintenance services for the airline’s operations.
  • B. Central Engineering Services
    Central Engineering Services is a prestigious cadre of government engineers in India responsible for planning, designing, and maintaining key public infrastructure and technical projects across various ministries and departments.
  • C. Ford Powertrain Engineering
    Ford Powertrain Engineering is the division of Ford Motor Company responsible for the design, development, and optimization of the automaker’s engines and related powertrain systems.
  • D. División de Ingeniería
    La División de Ingeniería es una gran unidad especializada del Ejército de Chile encargada de las operaciones de ingeniería militar, incluyendo construcción, fortificación, apoyo a la movilidad y tareas de apoyo en emergencias.
  • E. Clinton Engineer Works
    Clinton Engineer Works was a massive World War II-era industrial complex in Oak Ridge, Tennessee, built as part of the Manhattan Project to produce fissile material for the first atomic bombs.
  • 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_69d85cd7683881908d405c1b5d7b4f7f completed April 10, 2026, 2:13 a.m.
NER Named-entity recognition batch_69dff7fa0570819088a97b28173154cd completed April 15, 2026, 8:41 p.m.
NED1 Entity disambiguation (via context triple) batch_69fea5cff69c8190b6252509c1aa7ebb completed May 9, 2026, 3:11 a.m.
NEDg Description generation batch_69fea6bf2558819082fc91fe8df6f3f5 completed May 9, 2026, 3:15 a.m.
NED2 Entity disambiguation (via description) batch_69fea8018a088190b6eba72a7e6196b2 completed May 9, 2026, 3:20 a.m.
Created at: April 10, 2026, 3:02 a.m.