Triple
T4997765
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Saint Petersburg Polytechnic Institute |
E112288
|
entity |
| Predicate | hasNotableAlumnus |
P51
|
FINISHED |
| Object | Igor Kurchatov |
E217194
|
NE FINISHED |
How this triple was built (2 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: Igor Kurchatov | Statement: [Saint Petersburg Polytechnic Institute, hasNotableAlumnus, Igor Kurchatov]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Igor Kurchatov Context triple: [Saint Petersburg Polytechnic Institute, hasNotableAlumnus, Igor Kurchatov]
-
A.
Igor Kurchatov
chosen
Igor Kurchatov was a Soviet nuclear physicist who led the development of the USSR's first atomic bomb and is often regarded as the father of the Soviet nuclear program.
-
B.
Georgy Flyorov
Georgy Flyorov was a Soviet nuclear physicist known for his work on nuclear fission and for prompting the Soviet atomic bomb project after noticing the sudden secrecy in Western nuclear publications during World War II.
-
C.
Georgy Sedov
Georgy Sedov was a Russian Arctic explorer and naval officer best known for leading an ill-fated early 20th-century expedition toward the North Pole.
-
D.
Sergey Vavilov
Sergey Vavilov was a prominent Soviet physicist and academician, known for his work in physical optics and for serving as president of the USSR Academy of Sciences.
-
E.
Sergei Kapitsa
Sergei Kapitsa was a Russian physicist and demographer best known for popularizing science on Soviet television and for his work on population dynamics.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69bd4432b32c81909f3b3c6bd10f0653 |
completed | March 20, 2026, 12:57 p.m. |
| NER | Named-entity recognition | batch_69bd72ba2e588190bfd76beda0c4105c |
completed | March 20, 2026, 4:15 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be8a3489f08190a338de8d8be09813 |
completed | March 21, 2026, 12:08 p.m. |
Created at: March 20, 2026, 1:34 p.m.