Triple

T17658604
Position Surface form Disambiguated ID Type / Status
Subject Scharfenberg coupler E440189 entity
Predicate namedAfter P63 FINISHED
Object Karl Scharfenberg
Karl Scharfenberg was a German engineer best known for inventing the Scharfenberg coupler, a widely used automatic railway coupling system.
 E1432645 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: Karl Scharfenberg | Statement: [Scharfenberg coupler, namedAfter, Karl Scharfenberg]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Karl Scharfenberg
Context triple: [Scharfenberg coupler, namedAfter, Karl Scharfenberg]
  • A. Karl Pfirsch
    Karl Pfirsch was a German industrialist who stood as a defendant in the Nuremberg Military Tribunal’s Case X for his involvement in Nazi-era economic activities.
  • B. Friedrich Winnecke
    Friedrich Winnecke was a 19th-century German astronomer known for his work on comets and double stars.
  • C. Karl Schapper
    Karl Schapper was a 19th-century German revolutionary and early communist activist who played a key role in the European workers' movement and the development of socialist organizations.
  • D. Karl von Fasbender
    Karl von Fasbender was a German general of the Imperial German Army during World War I, noted for his leadership on the Western Front.
  • E. Karl Eberhardt
    Karl Eberhardt is an individual known primarily for being a defendant in the NMT Case X war crimes trial held after World War II.
  • 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: Karl Scharfenberg
Triple: [Scharfenberg coupler, namedAfter, Karl Scharfenberg]
Generated description
Karl Scharfenberg was a German engineer best known for inventing the Scharfenberg coupler, a widely used automatic railway coupling system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Karl Scharfenberg
Target entity description: Karl Scharfenberg was a German engineer best known for inventing the Scharfenberg coupler, a widely used automatic railway coupling system.
  • A. Karl Pfirsch
    Karl Pfirsch was a German industrialist who stood as a defendant in the Nuremberg Military Tribunal’s Case X for his involvement in Nazi-era economic activities.
  • B. Friedrich Winnecke
    Friedrich Winnecke was a 19th-century German astronomer known for his work on comets and double stars.
  • C. Karl Schapper
    Karl Schapper was a 19th-century German revolutionary and early communist activist who played a key role in the European workers' movement and the development of socialist organizations.
  • D. Karl von Fasbender
    Karl von Fasbender was a German general of the Imperial German Army during World War I, noted for his leadership on the Western Front.
  • E. Karl Eberhardt
    Karl Eberhardt is an individual known primarily for being a defendant in the NMT Case X war crimes trial held after World War II.
  • 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_69d8b9e87e18819087104a44dc4dc5b1 completed April 10, 2026, 8:50 a.m.
NER Named-entity recognition batch_69e46ea3b4cc81908eec7032cf221d49 completed April 19, 2026, 5:56 a.m.
NED1 Entity disambiguation (via context triple) batch_6a088af613dc81908d346f4df93f05fa completed May 16, 2026, 3:19 p.m.
NEDg Description generation batch_6a088c0f55348190b33ab62ed033ed39 completed May 16, 2026, 3:23 p.m.
NED2 Entity disambiguation (via description) batch_6a088d00188c8190bb8da973f31b1e47 completed May 16, 2026, 3:28 p.m.
Created at: April 10, 2026, 9:37 a.m.