Triple

T1898533
Position Surface form Disambiguated ID Type / Status
Subject Northern Ukraine E37636 entity
Predicate containsSite P5003 FINISHED
Object Chernobyl Exclusion Zone
The Chernobyl Exclusion Zone is a heavily contaminated, restricted area surrounding the Chernobyl Nuclear Power Plant, established after the 1986 disaster to limit radiation exposure and monitor environmental and health impacts.
 E212416 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: Chernobyl Exclusion Zone | Statement: [Northern Ukraine, containsSite, Chernobyl Exclusion Zone]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Chernobyl Exclusion Zone
Context triple: [Northern Ukraine, containsSite, Chernobyl Exclusion Zone]
  • A. Caucasian Biosphere Reserve
    The Caucasian Biosphere Reserve is a major protected natural area in the Western Caucasus, renowned for its rich biodiversity, pristine mountain ecosystems, and status as a UNESCO World Heritage Site.
  • B. Belovezhskaya Pushcha
    Belovezhskaya Pushcha is an ancient primeval forest straddling the border of Belarus and Poland, renowned as one of Europe's last and largest remnants of original lowland forest and a UNESCO World Heritage Site.
  • C. Crimean Nature Reserve
    The Crimean Nature Reserve is a large, strictly protected natural area in the Crimean Mountains known for its rich biodiversity, forested landscapes, and role in conserving endemic and rare species.
  • D. Pripyat
    Pripyat is a major Eastern European river flowing through Ukraine and Belarus, historically significant as a waterway in the Dnieper basin and known for passing near the Chernobyl Exclusion Zone.
  • E. Kurilskiy Nature Reserve
    Kurilskiy Nature Reserve is a strictly protected natural area in Russia’s Kuril Islands, safeguarding unique volcanic landscapes, rich marine ecosystems, and diverse bird and marine mammal populations.
  • 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: Chernobyl Exclusion Zone
Triple: [Northern Ukraine, containsSite, Chernobyl Exclusion Zone]
Generated description
The Chernobyl Exclusion Zone is a heavily contaminated, restricted area surrounding the Chernobyl Nuclear Power Plant, established after the 1986 disaster to limit radiation exposure and monitor environmental and health impacts.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Chernobyl Exclusion Zone
Target entity description: The Chernobyl Exclusion Zone is a heavily contaminated, restricted area surrounding the Chernobyl Nuclear Power Plant, established after the 1986 disaster to limit radiation exposure and monitor environmental and health impacts.
  • A. Caucasian Biosphere Reserve
    The Caucasian Biosphere Reserve is a major protected natural area in the Western Caucasus, renowned for its rich biodiversity, pristine mountain ecosystems, and status as a UNESCO World Heritage Site.
  • B. Belovezhskaya Pushcha
    Belovezhskaya Pushcha is an ancient primeval forest straddling the border of Belarus and Poland, renowned as one of Europe's last and largest remnants of original lowland forest and a UNESCO World Heritage Site.
  • C. Crimean Nature Reserve
    The Crimean Nature Reserve is a large, strictly protected natural area in the Crimean Mountains known for its rich biodiversity, forested landscapes, and role in conserving endemic and rare species.
  • D. Pripyat
    Pripyat is a major Eastern European river flowing through Ukraine and Belarus, historically significant as a waterway in the Dnieper basin and known for passing near the Chernobyl Exclusion Zone.
  • E. Kurilskiy Nature Reserve
    Kurilskiy Nature Reserve is a strictly protected natural area in Russia’s Kuril Islands, safeguarding unique volcanic landscapes, rich marine ecosystems, and diverse bird and marine mammal populations.
  • 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_69a8861be7148190a680937ec451a304 completed March 4, 2026, 7:21 p.m.
NER Named-entity recognition batch_69abb170657481908662089511a8f301 completed March 7, 2026, 5:02 a.m.
NED1 Entity disambiguation (via context triple) batch_69adeaf08708819091566511228d8ec8 completed March 8, 2026, 9:32 p.m.
NEDg Description generation batch_69adec0ef72481908ecc3c3383e25d3b completed March 8, 2026, 9:37 p.m.
NED2 Entity disambiguation (via description) batch_69adec8b0600819086a13abd47f0438d completed March 8, 2026, 9:39 p.m.
Created at: March 4, 2026, 7:35 p.m.