Triple

T12639772
Position Surface form Disambiguated ID Type / Status
Subject Stara Zagora Province E301861 entity
Predicate contains P35 FINISHED
Object Maritsa Iztok energy complex
Maritsa Iztok energy complex is a major Bulgarian lignite coal mining and power generation complex and one of the largest energy-producing industrial regions in Southeast Europe.
E994753 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: Maritsa Iztok energy complex | Statement: [Stara Zagora Province, contains, Maritsa Iztok energy complex]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Maritsa Iztok energy complex
Context triple: [Stara Zagora Province, contains, Maritsa Iztok energy complex]
  • A. Ivankovo Hydroelectric Station
    Ivankovo Hydroelectric Station is a major Soviet-era hydroelectric power plant on the Volga River in Russia, forming part of the Upper Volga cascade and supplying electricity as well as regulating water levels for navigation and water management.
  • B. Beloyarsk Nuclear Power Station
    Beloyarsk Nuclear Power Station is a Russian nuclear power plant in Sverdlovsk Oblast known for its experimental and commercial fast breeder reactors, including the BN-series units.
  • C. Baksan Hydroelectric Power Station
    The Baksan Hydroelectric Power Station is a hydroelectric facility in Russia’s Kabardino-Balkaria region that generates electricity using the flow of the Baksan River.
  • D. Votkinsk Hydroelectric Station
    Votkinsk Hydroelectric Station is a major hydroelectric power plant on the Kama River in Russia, forming the Votkinsk Reservoir and contributing significantly to regional electricity generation and water regulation.
  • E. Rivne Nuclear Power Plant
    Rivne Nuclear Power Plant is a major Ukrainian nuclear power station that generates electricity for the national grid and is located in the country’s northwestern Rivne region.
  • 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: Maritsa Iztok energy complex
Triple: [Stara Zagora Province, contains, Maritsa Iztok energy complex]
Generated description
Maritsa Iztok energy complex is a major Bulgarian lignite coal mining and power generation complex and one of the largest energy-producing industrial regions in Southeast Europe.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Maritsa Iztok energy complex
Target entity description: Maritsa Iztok energy complex is a major Bulgarian lignite coal mining and power generation complex and one of the largest energy-producing industrial regions in Southeast Europe.
  • A. Ivankovo Hydroelectric Station
    Ivankovo Hydroelectric Station is a major Soviet-era hydroelectric power plant on the Volga River in Russia, forming part of the Upper Volga cascade and supplying electricity as well as regulating water levels for navigation and water management.
  • B. Beloyarsk Nuclear Power Station
    Beloyarsk Nuclear Power Station is a Russian nuclear power plant in Sverdlovsk Oblast known for its experimental and commercial fast breeder reactors, including the BN-series units.
  • C. Baksan Hydroelectric Power Station
    The Baksan Hydroelectric Power Station is a hydroelectric facility in Russia’s Kabardino-Balkaria region that generates electricity using the flow of the Baksan River.
  • D. Votkinsk Hydroelectric Station
    Votkinsk Hydroelectric Station is a major hydroelectric power plant on the Kama River in Russia, forming the Votkinsk Reservoir and contributing significantly to regional electricity generation and water regulation.
  • E. Rivne Nuclear Power Plant
    Rivne Nuclear Power Plant is a major Ukrainian nuclear power station that generates electricity for the national grid and is located in the country’s northwestern Rivne region.
  • 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_69d7bdec9f9c8190b4bac675b7588211 completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d961499de08190bdba66ca40b021be completed April 10, 2026, 8:44 p.m.
NED1 Entity disambiguation (via context triple) batch_69f668754acc8190b5585dbd35387867 completed May 2, 2026, 9:11 p.m.
NEDg Description generation batch_69f6697d8ac88190b4ead9ce47f3a705 completed May 2, 2026, 9:15 p.m.
NED2 Entity disambiguation (via description) batch_69f66a2da60881909b0a689821456bb4 completed May 2, 2026, 9:18 p.m.
Created at: April 9, 2026, 5:16 p.m.