Triple

T17658645
Position Surface form Disambiguated ID Type / Status
Subject Scharfenberg coupler E440189 entity
Predicate comparedTo P278 FINISHED
Object SA3 coupler — NE NERFINISHED

How this triple was built (3 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: SA3 coupler | Statement: [Scharfenberg coupler, comparedTo, SA3 coupler]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: SA3 coupler
Context triple: [Scharfenberg coupler, comparedTo, SA3 coupler]
  • A. Dellner automatic couplers
    Dellner automatic couplers are railway vehicle coupling systems designed to automatically connect and disconnect train units, commonly used on modern multiple-unit fleets such as the Bombardier Voyager family.
  • B. Scharfenberg coupler
    The Scharfenberg coupler is an automatic railway coupling system widely used on modern passenger trains to quickly connect and disconnect cars while integrating mechanical, pneumatic, and electrical links.
  • C. Janney coupler
    The Janney coupler is a widely used automatic railway coupling system designed to securely connect train cars while improving safety and ease of operation compared to earlier link-and-pin couplers.
  • D. Shibata-type coupler
    The Shibata-type coupler is a Japanese-designed automatic railway coupling system widely used on electric multiple units for reliable and efficient train connection.
  • E. PA5 railcar
    The PA5 railcar is a modern electric multiple unit train used on the PATH rapid transit system serving New York and New Jersey.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: SA3 coupler
Target entity description: The SA3 coupler is a robust automatic railway coupling system widely used on heavy freight and passenger trains in Russia and other former Soviet states.
  • A. Dellner automatic couplers
    Dellner automatic couplers are railway vehicle coupling systems designed to automatically connect and disconnect train units, commonly used on modern multiple-unit fleets such as the Bombardier Voyager family.
  • B. Scharfenberg coupler
    The Scharfenberg coupler is an automatic railway coupling system widely used on modern passenger trains to quickly connect and disconnect cars while integrating mechanical, pneumatic, and electrical links.
  • C. Janney coupler
    The Janney coupler is a widely used automatic railway coupling system designed to securely connect train cars while improving safety and ease of operation compared to earlier link-and-pin couplers.
  • D. Shibata-type coupler
    The Shibata-type coupler is a Japanese-designed automatic railway coupling system widely used on electric multiple units for reliable and efficient train connection.
  • E. PA5 railcar
    The PA5 railcar is a modern electric multiple unit train used on the PATH rapid transit system serving New York and New Jersey.
  • F. None of above. chosen

Provenance (2 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_69d8b9e87e18819087104a44dc4dc5b1 completed April 10, 2026, 8:50 a.m.
NER Named-entity recognition batch_69e46ea3b4cc81908eec7032cf221d49 completed April 19, 2026, 5:56 a.m.
Created at: April 10, 2026, 9:37 a.m.