Triple

T18086490
Position Surface form Disambiguated ID Type / Status
Subject Belfast–Dublin railway line E432846 entity
Predicate primaryRollingStock P1305 FINISHED
Object CAF 22000 Class (on some services)
The CAF 22000 Class is a fleet of modern diesel multiple-unit trains operated by Iarnród Éireann on intercity and regional services in Ireland.
E1306028 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 22000 Class (on some services) | Statement: [Belfast–Dublin railway line, primaryRollingStock, CAF 22000 Class (on some services)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: CAF 22000 Class (on some services)
Context triple: [Belfast–Dublin railway line, primaryRollingStock, CAF 22000 Class (on some services)]
  • A. CP Class 2240 EMU
    The CP Class 2240 EMU is a series of electric multiple unit trains operated by Comboios de Portugal, primarily used for suburban and regional passenger services.
  • B. SNCF Class BB 7200
    The SNCF Class BB 7200 is a series of French electric locomotives introduced in the late 1970s, widely used for both passenger and freight services on the 1.5 kV DC network.
  • C. SNCF Class BB 22200
    The SNCF Class BB 22200 is a series of French dual-voltage electric locomotives widely used for both passenger and freight services across the national rail network.
  • D. Adtranz–CAF EMU trains
    Adtranz–CAF EMU trains are electric multiple-unit passenger trains jointly built by Adtranz and CAF, commonly used for high-frequency airport rail services.
  • E. SNCF Class Z 27500
    The SNCF Class Z 27500 is a series of modern electric multiple units operated by the French national railway company for regional passenger services.
  • 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 22000 Class (on some services)
Triple: [Belfast–Dublin railway line, primaryRollingStock, CAF 22000 Class (on some services)]
Generated description
The CAF 22000 Class is a fleet of modern diesel multiple-unit trains operated by Iarnród Éireann on intercity and regional services in Ireland.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: CAF 22000 Class (on some services)
Target entity description: The CAF 22000 Class is a fleet of modern diesel multiple-unit trains operated by Iarnród Éireann on intercity and regional services in Ireland.
  • A. CP Class 2240 EMU
    The CP Class 2240 EMU is a series of electric multiple unit trains operated by Comboios de Portugal, primarily used for suburban and regional passenger services.
  • B. SNCF Class BB 7200
    The SNCF Class BB 7200 is a series of French electric locomotives introduced in the late 1970s, widely used for both passenger and freight services on the 1.5 kV DC network.
  • C. SNCF Class BB 22200
    The SNCF Class BB 22200 is a series of French dual-voltage electric locomotives widely used for both passenger and freight services across the national rail network.
  • D. Adtranz–CAF EMU trains
    Adtranz–CAF EMU trains are electric multiple-unit passenger trains jointly built by Adtranz and CAF, commonly used for high-frequency airport rail services.
  • E. SNCF Class Z 27500
    The SNCF Class Z 27500 is a series of modern electric multiple units operated by the French national railway company for regional passenger services.
  • 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_69d8b907d05c819083cc3bd6021089e6 completed April 10, 2026, 8:47 a.m.
NER Named-entity recognition batch_69e4dd150ab88190864be2a722d214b8 completed April 19, 2026, 1:48 p.m.
NED1 Entity disambiguation (via context triple) batch_6a035d97912c8190b5d281ddd08de4f1 completed May 12, 2026, 5:04 p.m.
NEDg Description generation batch_6a036e9077308190be6e7d228dcf11b4 completed May 12, 2026, 6:16 p.m.
NED2 Entity disambiguation (via description) batch_6a03795b255c8190a84ca0ce2fda4599 completed May 12, 2026, 7:02 p.m.
Created at: April 10, 2026, 10:27 a.m.