Triple

T13376092
Position Surface form Disambiguated ID Type / Status
Subject Duchy of Saxe-Altenburg E319187 entity
Predicate lastRuler P1546 FINISHED
Object Ernst II, Duke of Saxe-Altenburg
Ernst II, Duke of Saxe-Altenburg was a German nobleman and military officer who served as the final reigning duke of the small Thuringian state of Saxe-Altenburg in the late 19th and early 20th centuries.
 E1107832 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: Ernst II, Duke of Saxe-Altenburg | Statement: [Duchy of Saxe-Altenburg, lastRuler, Ernst II, Duke of Saxe-Altenburg]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Ernst II, Duke of Saxe-Altenburg
Context triple: [Duchy of Saxe-Altenburg, lastRuler, Ernst II, Duke of Saxe-Altenburg]
  • A. Ernst I, Duke of Saxe-Altenburg
    Ernst I, Duke of Saxe-Altenburg was a 19th-century German nobleman who ruled the small Thuringian duchy of Saxe-Altenburg within the Ernestine branch of the Wettin dynasty.
  • B. Emil Leopold August, Duke of Saxe-Gotha-Altenburg
    Emil Leopold August, Duke of Saxe-Gotha-Altenburg, was a German nobleman who ruled the small Thuringian duchy of Saxe-Gotha-Altenburg in the early 19th century and was the father of Princess Louise of Saxe-Gotha-Altenburg.
  • C. Ernst of Hesse-Kassel
    Ernst of Hesse-Kassel was a German prince from the House of Hesse-Kassel, a cadet branch of a prominent ruling dynasty in the Holy Roman Empire.
  • D. Ernest II of Saxe-Gotha-Altenburg
    Ernest II of Saxe-Gotha-Altenburg was an 18th-century German duke of the Ernestine Wettin line who ruled the duchy of Saxe-Gotha-Altenburg and was known for his patronage of the arts and Enlightenment culture.
  • E. Ernst Heinrich of Saxony
    Ernst Heinrich of Saxony was a German prince of the House of Wettin and one of the last members of the Saxon royal family to live through the fall of the monarchy and both World Wars.
  • 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: Ernst II, Duke of Saxe-Altenburg
Triple: [Duchy of Saxe-Altenburg, lastRuler, Ernst II, Duke of Saxe-Altenburg]
Generated description
Ernst II, Duke of Saxe-Altenburg was a German nobleman and military officer who served as the final reigning duke of the small Thuringian state of Saxe-Altenburg in the late 19th and early 20th centuries.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Ernst II, Duke of Saxe-Altenburg
Target entity description: Ernst II, Duke of Saxe-Altenburg was a German nobleman and military officer who served as the final reigning duke of the small Thuringian state of Saxe-Altenburg in the late 19th and early 20th centuries.
  • A. Ernst I, Duke of Saxe-Altenburg
    Ernst I, Duke of Saxe-Altenburg was a 19th-century German nobleman who ruled the small Thuringian duchy of Saxe-Altenburg within the Ernestine branch of the Wettin dynasty.
  • B. Emil Leopold August, Duke of Saxe-Gotha-Altenburg
    Emil Leopold August, Duke of Saxe-Gotha-Altenburg, was a German nobleman who ruled the small Thuringian duchy of Saxe-Gotha-Altenburg in the early 19th century and was the father of Princess Louise of Saxe-Gotha-Altenburg.
  • C. Ernst of Hesse-Kassel
    Ernst of Hesse-Kassel was a German prince from the House of Hesse-Kassel, a cadet branch of a prominent ruling dynasty in the Holy Roman Empire.
  • D. Ernest II of Saxe-Gotha-Altenburg
    Ernest II of Saxe-Gotha-Altenburg was an 18th-century German duke of the Ernestine Wettin line who ruled the duchy of Saxe-Gotha-Altenburg and was known for his patronage of the arts and Enlightenment culture.
  • E. Ernst Heinrich of Saxony
    Ernst Heinrich of Saxony was a German prince of the House of Wettin and one of the last members of the Saxon royal family to live through the fall of the monarchy and both World Wars.
  • 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_69d806b886bc8190b676e7768b8e01c5 completed April 9, 2026, 8:06 p.m.
NER Named-entity recognition batch_69dadce3fec48190a5443d87c85477a3 completed April 11, 2026, 11:44 p.m.
NED1 Entity disambiguation (via context triple) batch_69fd9498f8848190a170a3d41c9e3a76 completed May 8, 2026, 7:45 a.m.
NEDg Description generation batch_69fd96860ba48190af21941197a97c97 completed May 8, 2026, 7:53 a.m.
NED2 Entity disambiguation (via description) batch_69fd974aa0688190916c8d79a68809ee completed May 8, 2026, 7:56 a.m.
Created at: April 9, 2026, 9:33 p.m.