Triple

T5892914
Position Surface form Disambiguated ID Type / Status
Subject Porosenkov Log mass grave E131032 entity
Predicate containsRemainsOf P16216 FINISHED
Object Grand Duchess Tatiana Nikolaevna
Grand Duchess Tatiana Nikolaevna was the second daughter of Tsar Nicholas II of Russia, a Romanov grand duchess who was executed with her family during the Russian Revolution.
 E659022 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: Grand Duchess Tatiana Nikolaevna | Statement: [Porosenkov Log mass grave, containsRemainsOf, Grand Duchess Tatiana Nikolaevna]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Grand Duchess Tatiana Nikolaevna
Context triple: [Porosenkov Log mass grave, containsRemainsOf, Grand Duchess Tatiana Nikolaevna]
  • A. Grand Duchess Maria Pavlovna the Younger
    Grand Duchess Maria Pavlovna the Younger was a Russian Romanov princess, noted for her tumultuous life during and after the Russian Revolution and later career as a fashion designer and memoirist in exile.
  • B. Grand Duchess Maria Nikolaevna
    Grand Duchess Maria Nikolaevna was a daughter of Tsar Nicholas II of Russia who was executed with her family in 1918 and later canonized as a passion-bearer by the Russian Orthodox Church.
  • C. Grand Duchess Alexandra Nikolaevna of Russia
    Grand Duchess Alexandra Nikolaevna of Russia was a daughter of Emperor Nicholas I and Empress Alexandra Feodorovna, remembered for her beauty, musical talent, and tragic death shortly after childbirth.
  • D. Grand Duchess Olga Nikolaevna of Russia
    Grand Duchess Olga Nikolaevna of Russia was the eldest daughter of Tsar Nicholas II and Empress Alexandra, a Romanov grand duchess who was executed with her family during the Russian Revolution.
  • E. Grand Duchess Xenia Alexandrovna of Russia
    Grand Duchess Xenia Alexandrovna of Russia was a daughter of Tsar Alexander III and a prominent Romanov aristocrat who lived through the fall of the Russian Empire and spent much of her later life in exile in Western Europe.
  • 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: Grand Duchess Tatiana Nikolaevna
Triple: [Porosenkov Log mass grave, containsRemainsOf, Grand Duchess Tatiana Nikolaevna]
Generated description
Grand Duchess Tatiana Nikolaevna was the second daughter of Tsar Nicholas II of Russia, a Romanov grand duchess who was executed with her family during the Russian Revolution.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Grand Duchess Tatiana Nikolaevna
Target entity description: Grand Duchess Tatiana Nikolaevna was the second daughter of Tsar Nicholas II of Russia, a Romanov grand duchess who was executed with her family during the Russian Revolution.
  • A. Grand Duchess Maria Pavlovna the Younger
    Grand Duchess Maria Pavlovna the Younger was a Russian Romanov princess, noted for her tumultuous life during and after the Russian Revolution and later career as a fashion designer and memoirist in exile.
  • B. Grand Duchess Maria Nikolaevna
    Grand Duchess Maria Nikolaevna was a daughter of Tsar Nicholas II of Russia who was executed with her family in 1918 and later canonized as a passion-bearer by the Russian Orthodox Church.
  • C. Grand Duchess Alexandra Nikolaevna of Russia
    Grand Duchess Alexandra Nikolaevna of Russia was a daughter of Emperor Nicholas I and Empress Alexandra Feodorovna, remembered for her beauty, musical talent, and tragic death shortly after childbirth.
  • D. Grand Duchess Olga Nikolaevna of Russia
    Grand Duchess Olga Nikolaevna of Russia was the eldest daughter of Tsar Nicholas II and Empress Alexandra, a Romanov grand duchess who was executed with her family during the Russian Revolution.
  • E. Grand Duchess Xenia Alexandrovna of Russia
    Grand Duchess Xenia Alexandrovna of Russia was a daughter of Tsar Alexander III and a prominent Romanov aristocrat who lived through the fall of the Russian Empire and spent much of her later life in exile in Western Europe.
  • 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_69c00857439c819095950754176aa58a completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c036b5c68481909fdcba428238c74d completed March 22, 2026, 6:36 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7fa512324819092e3a0b449cdb9ba completed March 28, 2026, 3:57 p.m.
NEDg Description generation batch_69c7fbbff6f081909b694dea7e572ec2 completed March 28, 2026, 4:03 p.m.
NED2 Entity disambiguation (via description) batch_69c7fc2f66248190bac3fa24d530b938 completed March 28, 2026, 4:05 p.m.
Created at: March 22, 2026, 3:58 p.m.