Triple

T11414672
Position Surface form Disambiguated ID Type / Status
Subject Tsarevich E270458 entity
Predicate hasNotableTitleHolder P1918 FINISHED
Object Alexander Alexandrovich, Tsarevich of Russia
Alexander Alexandrovich, Tsarevich of Russia, was the heir apparent to the Russian imperial throne in the 19th century and the eldest son of Emperor Alexander II.
E935206 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: Alexander Alexandrovich, Tsarevich of Russia | Statement: [Tsarevich, hasNotableTitleHolder, Alexander Alexandrovich, Tsarevich of Russia]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Alexander Alexandrovich, Tsarevich of Russia
Context triple: [Tsarevich, hasNotableTitleHolder, Alexander Alexandrovich, Tsarevich of Russia]
  • A. Alexei Nikolaevich, Tsarevich of Russia
    Alexei Nikolaevich, Tsarevich of Russia, was the hemophiliac heir apparent and only son of Tsar Nicholas II, whose assassination with his family in 1918 marked the end of the Russian imperial dynasty.
  • B. Alexei Petrovich, Tsarevich of Russia
    Alexei Petrovich, Tsarevich of Russia, was the ill-fated heir to the Russian throne whose conflict with his father Peter the Great led to his arrest, torture, and death in custody.
  • C. Nicholas Alexandrovich, Tsarevich of Russia
    Nicholas Alexandrovich, Tsarevich of Russia, was the eldest son and heir apparent of Emperor Alexander II whose early death in 1865 altered the line of succession in the Russian imperial family.
  • D. Tsarevich Ivan Alexeyevich of Russia
    Tsarevich Ivan Alexeyevich of Russia was the eldest son and heir apparent of Tsar Alexei Mikhailovich, whose early death paved the way for his half-brother Peter the Great’s eventual rise to the Russian throne.
  • E. Tsarevich Alexei Alexeyevich of Russia
    Tsarevich Alexei Alexeyevich of Russia was the eldest son and heir apparent of Tsar Alexei Mikhailovich, whose early death in 1670 altered the line of succession in the Romanov dynasty.
  • 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: Alexander Alexandrovich, Tsarevich of Russia
Triple: [Tsarevich, hasNotableTitleHolder, Alexander Alexandrovich, Tsarevich of Russia]
Generated description
Alexander Alexandrovich, Tsarevich of Russia, was the heir apparent to the Russian imperial throne in the 19th century and the eldest son of Emperor Alexander II.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Alexander Alexandrovich, Tsarevich of Russia
Target entity description: Alexander Alexandrovich, Tsarevich of Russia, was the heir apparent to the Russian imperial throne in the 19th century and the eldest son of Emperor Alexander II.
  • A. Alexei Nikolaevich, Tsarevich of Russia
    Alexei Nikolaevich, Tsarevich of Russia, was the hemophiliac heir apparent and only son of Tsar Nicholas II, whose assassination with his family in 1918 marked the end of the Russian imperial dynasty.
  • B. Alexei Petrovich, Tsarevich of Russia
    Alexei Petrovich, Tsarevich of Russia, was the ill-fated heir to the Russian throne whose conflict with his father Peter the Great led to his arrest, torture, and death in custody.
  • C. Nicholas Alexandrovich, Tsarevich of Russia
    Nicholas Alexandrovich, Tsarevich of Russia, was the eldest son and heir apparent of Emperor Alexander II whose early death in 1865 altered the line of succession in the Russian imperial family.
  • D. Tsarevich Ivan Alexeyevich of Russia
    Tsarevich Ivan Alexeyevich of Russia was the eldest son and heir apparent of Tsar Alexei Mikhailovich, whose early death paved the way for his half-brother Peter the Great’s eventual rise to the Russian throne.
  • E. Tsarevich Alexei Alexeyevich of Russia
    Tsarevich Alexei Alexeyevich of Russia was the eldest son and heir apparent of Tsar Alexei Mikhailovich, whose early death in 1670 altered the line of succession in the Romanov dynasty.
  • 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_69d6aaddeaa8819088b30ef7b50598c9 completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d801ae47d0819098123505309c4a68 completed April 9, 2026, 7:44 p.m.
NED1 Entity disambiguation (via context triple) batch_69e713309c208190bb5764b3b5ccf130 completed April 21, 2026, 6:03 a.m.
NEDg Description generation batch_69e720f4015c81909ba7973c3e781985 completed April 21, 2026, 7:02 a.m.
NED2 Entity disambiguation (via description) batch_69e75a7a04c88190bb8f3dd3f3e435ef completed April 21, 2026, 11:07 a.m.
Created at: April 8, 2026, 9:34 p.m.