Triple

T20495137
Position Surface form Disambiguated ID Type / Status
Subject David of Trebizond E502850 entity
Predicate children P980 FINISHED
Object Alexios of Trebizond (son of David)
Alexios of Trebizond was a 15th-century Trapezuntine prince, one of the sons of the last Emperor David of Trebizond, whose brief life was tied to the final years and Ottoman conquest of the Empire of Trebizond.
 E1436647 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: Alexios of Trebizond (son of David) | Statement: [David of Trebizond, children, Alexios of Trebizond (son of David)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Alexios of Trebizond (son of David)
Context triple: [David of Trebizond, children, Alexios of Trebizond (son of David)]
  • A. George of Trebizond (son of David)
    George of Trebizond (son of David) was a 15th-century Trapezuntine prince, one of the sons of the last Emperor of Trebizond, David Megas Komnenos, during the final years of the Empire of Trebizond.
  • B. David of Trebizond
    David of Trebizond was the last emperor of the Empire of Trebizond, whose reign ended with the Ottoman conquest in the mid-15th century.
  • C. Alexios I of Trebizond
    Alexios I of Trebizond was the founder and first emperor of the Empire of Trebizond, establishing a Byzantine successor state on the Black Sea coast in the early 13th century.
  • D. Michael of Trebizond
    Michael of Trebizond was an early, likely short-reigning ruler associated with the Empire of Trebizond who preceded Emperor Alexios III Komnenos.
  • E. Alexios II of Trebizond
    Alexios II of Trebizond was a 13th-century emperor of the Empire of Trebizond from the Grand Komnenos dynasty, known for consolidating the state’s position along the Black Sea coast.
  • 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: Alexios of Trebizond (son of David)
Triple: [David of Trebizond, children, Alexios of Trebizond (son of David)]
Generated description
Alexios of Trebizond was a 15th-century Trapezuntine prince, one of the sons of the last Emperor David of Trebizond, whose brief life was tied to the final years and Ottoman conquest of the Empire of Trebizond.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Alexios of Trebizond (son of David)
Target entity description: Alexios of Trebizond was a 15th-century Trapezuntine prince, one of the sons of the last Emperor David of Trebizond, whose brief life was tied to the final years and Ottoman conquest of the Empire of Trebizond.
  • A. George of Trebizond (son of David)
    George of Trebizond (son of David) was a 15th-century Trapezuntine prince, one of the sons of the last Emperor of Trebizond, David Megas Komnenos, during the final years of the Empire of Trebizond.
  • B. David of Trebizond
    David of Trebizond was the last emperor of the Empire of Trebizond, whose reign ended with the Ottoman conquest in the mid-15th century.
  • C. Alexios I of Trebizond
    Alexios I of Trebizond was the founder and first emperor of the Empire of Trebizond, establishing a Byzantine successor state on the Black Sea coast in the early 13th century.
  • D. Michael of Trebizond
    Michael of Trebizond was an early, likely short-reigning ruler associated with the Empire of Trebizond who preceded Emperor Alexios III Komnenos.
  • E. Alexios II of Trebizond
    Alexios II of Trebizond was a 13th-century emperor of the Empire of Trebizond from the Grand Komnenos dynasty, known for consolidating the state’s position along the Black Sea coast.
  • 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_69e0b4b0373881909dd3e9387f82eab4 completed April 16, 2026, 10:06 a.m.
NER Named-entity recognition batch_69e69cbd2dfc81908204f7bfa8a763b6 completed April 20, 2026, 9:38 p.m.
NED1 Entity disambiguation (via context triple) batch_6a08a557affc8190b542d74d7171f5fb completed May 16, 2026, 5:11 p.m.
NEDg Description generation batch_6a08a5f279c88190833e04a69e9839a6 completed May 16, 2026, 5:14 p.m.
NED2 Entity disambiguation (via description) batch_6a08a67f37f08190a50c377042c44a6f completed May 16, 2026, 5:16 p.m.
Created at: April 16, 2026, 11:35 a.m.