Triple

T10741657
Position Surface form Disambiguated ID Type / Status
Subject DART E253339 entity
Predicate usesRollingStockClass P5426 FINISHED
Object IE 8520 Class
The IE 8520 Class is a modern electric multiple unit train operated by Iarnród Éireann for Dublin’s DART suburban rail services.
 E886108 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: IE 8520 Class | Statement: [DART, usesRollingStockClass, IE 8520 Class]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: IE 8520 Class
Context triple: [DART, usesRollingStockClass, IE 8520 Class]
  • A. IE 8510 Class
    The IE 8510 Class is a series of electric multiple unit trains operated by Iarnród Éireann for Dublin's DART suburban rail services.
  • B. IE 8100 Class
    The IE 8100 Class is a series of electric multiple unit trains operated by Iarnród Éireann for Dublin’s DART suburban rail services.
  • C. IE 8500 Class
    The IE 8500 Class is a series of electric multiple unit trains operated by Iarnród Éireann for Dublin’s DART suburban rail services.
  • D. Class 158
    Class 158 is a British diesel multiple unit train widely used on regional and intercity services, known for its higher comfort and speed compared to older provincial stock.
  • E. IEN 41
    IEN 41 is an early Internet Experiment Note documenting research and design considerations in the formative stages of the ARPANET/Internet protocols.
  • 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: IE 8520 Class
Triple: [DART, usesRollingStockClass, IE 8520 Class]
Generated description
The IE 8520 Class is a modern electric multiple unit train operated by Iarnród Éireann for Dublin’s DART suburban rail services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: IE 8520 Class
Target entity description: The IE 8520 Class is a modern electric multiple unit train operated by Iarnród Éireann for Dublin’s DART suburban rail services.
  • A. IE 8510 Class
    The IE 8510 Class is a series of electric multiple unit trains operated by Iarnród Éireann for Dublin's DART suburban rail services.
  • B. IE 8100 Class
    The IE 8100 Class is a series of electric multiple unit trains operated by Iarnród Éireann for Dublin’s DART suburban rail services.
  • C. IE 8500 Class
    The IE 8500 Class is a series of electric multiple unit trains operated by Iarnród Éireann for Dublin’s DART suburban rail services.
  • D. Class 158
    Class 158 is a British diesel multiple unit train widely used on regional and intercity services, known for its higher comfort and speed compared to older provincial stock.
  • E. IEN 41
    IEN 41 is an early Internet Experiment Note documenting research and design considerations in the formative stages of the ARPANET/Internet protocols.
  • 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_69d6aa5e51e8819095f06881cecf152e completed April 8, 2026, 7:19 p.m.
NER Named-entity recognition batch_69d710456ec88190ad8aff8804d13aa9 completed April 9, 2026, 2:34 a.m.
NED1 Entity disambiguation (via context triple) batch_69de558f26e88190a9cb8f4d0539e5a5 completed April 14, 2026, 2:56 p.m.
NEDg Description generation batch_69de5eacae148190b7ca2da87427572e completed April 14, 2026, 3:35 p.m.
NED2 Entity disambiguation (via description) batch_69de6397ff688190b6788489895a5360 completed April 14, 2026, 3:56 p.m.
Created at: April 8, 2026, 9:15 p.m.