Triple

T1983922

Position	Surface form	Disambiguated ID	Type / Status
Subject	Grand Duchy of Saxe-Weimar-Eisenach	`E43093`	entity
Predicate	ruler	`P403`	FINISHED
Object	Karl Alexander, Grand Duke of Saxe-Weimar-Eisenach Karl Alexander, Grand Duke of Saxe-Weimar-Eisenach, was a 19th-century German sovereign known for his relatively liberal rule and patronage of the arts and culture in his small Thuringian state.	`E307000`	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 Alexander, Grand Duke of Saxe-Weimar-Eisenach | Statement: [Grand Duchy of Saxe-Weimar-Eisenach, ruler, Karl Alexander, Grand Duke of Saxe-Weimar-Eisenach]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Karl Alexander, Grand Duke of Saxe-Weimar-Eisenach
Context triple: [Grand Duchy of Saxe-Weimar-Eisenach, ruler, Karl Alexander, Grand Duke of Saxe-Weimar-Eisenach]

A. Charles Augustus, Grand Duke of Saxe-Weimar-Eisenach
Charles Augustus, Grand Duke of Saxe-Weimar-Eisenach, was an 18th–19th century German ruler best known as a major patron of Weimar Classicism and supporter of figures like Goethe and Schiller.
B. Louis III, Grand Duke of Hesse
Louis III, Grand Duke of Hesse was a 19th-century German ruler of the Grand Duchy of Hesse who reigned during the era of German unification and the Austro-Prussian War.
C. Louis II, Grand Duke of Hesse
Louis II, Grand Duke of Hesse, was a 19th-century German sovereign who ruled the Grand Duchy of Hesse and played a role in the political landscape of the German Confederation.
D. Ernest Louis, Grand Duke of Hesse
Ernest Louis, Grand Duke of Hesse was a German grand duke who ruled the Grand Duchy of Hesse and by Rhine from 1892 to 1918 and was known for his patronage of the arts and close ties to the British and Russian royal families.
E. Louis I, Grand Duke of Hesse
Louis I, Grand Duke of Hesse was a late 18th- and early 19th-century German ruler who led the Grand Duchy of Hesse during the Napoleonic era and its subsequent political reorganization.
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 Alexander, Grand Duke of Saxe-Weimar-Eisenach
Triple: [Grand Duchy of Saxe-Weimar-Eisenach, ruler, Karl Alexander, Grand Duke of Saxe-Weimar-Eisenach]

Generated description

Karl Alexander, Grand Duke of Saxe-Weimar-Eisenach, was a 19th-century German sovereign known for his relatively liberal rule and patronage of the arts and culture in his small Thuringian state.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Karl Alexander, Grand Duke of Saxe-Weimar-Eisenach
Target entity description: Karl Alexander, Grand Duke of Saxe-Weimar-Eisenach, was a 19th-century German sovereign known for his relatively liberal rule and patronage of the arts and culture in his small Thuringian state.

A. Charles Augustus, Grand Duke of Saxe-Weimar-Eisenach
Charles Augustus, Grand Duke of Saxe-Weimar-Eisenach, was an 18th–19th century German ruler best known as a major patron of Weimar Classicism and supporter of figures like Goethe and Schiller.
B. Louis III, Grand Duke of Hesse
Louis III, Grand Duke of Hesse was a 19th-century German ruler of the Grand Duchy of Hesse who reigned during the era of German unification and the Austro-Prussian War.
C. Louis II, Grand Duke of Hesse
Louis II, Grand Duke of Hesse, was a 19th-century German sovereign who ruled the Grand Duchy of Hesse and played a role in the political landscape of the German Confederation.
D. Ernest Louis, Grand Duke of Hesse
Ernest Louis, Grand Duke of Hesse was a German grand duke who ruled the Grand Duchy of Hesse and by Rhine from 1892 to 1918 and was known for his patronage of the arts and close ties to the British and Russian royal families.
E. Louis I, Grand Duke of Hesse
Louis I, Grand Duke of Hesse was a late 18th- and early 19th-century German ruler who led the Grand Duchy of Hesse during the Napoleonic era and its subsequent political reorganization.
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_69a88713ddc88190a969715658ebe7a8`	completed	March 4, 2026, 7:25 p.m.
NER	Named-entity recognition	`batch_69abb820815481908aac6d89b437225b`	completed	March 7, 2026, 5:31 a.m.
NED1	Entity disambiguation (via context triple)	`batch_69b030ef8fac81908c14d71afe329fe8`	completed	March 10, 2026, 2:55 p.m.
NEDg	Description generation	`batch_69b03549ed388190b478614397076361`	completed	March 10, 2026, 3:14 p.m.
NED2	Entity disambiguation (via description)	`batch_69b035f849888190a5b9ee15aa456522`	completed	March 10, 2026, 3:17 p.m.

Created at: March 4, 2026, 7:37 p.m.