Triple

T20944230
Position Surface form Disambiguated ID Type / Status
Subject Lipno Reservoir E515802 entity
Predicate operator P179 FINISHED
Object ČEZ Group
ČEZ Group is a major Czech energy conglomerate and one of Central Europe’s largest electricity producers, operating power plants, distribution networks, and related energy services.
 E1459966 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: ČEZ Group | Statement: [Lipno Reservoir, operator, ČEZ Group]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: ČEZ Group
Context triple: [Lipno Reservoir, operator, ČEZ Group]
  • A. Slovenské elektrárne
    Slovenské elektrárne is Slovakia’s largest electricity producer, operating major hydroelectric and nuclear power plants across the country.
  • B. Tractebel Energia
    Tractebel Energia is a Brazilian electric power generation company known for operating large hydroelectric facilities and other energy assets across the country.
  • C. Eurelectric
    Eurelectric is the pan-European industry association representing the interests of the electricity sector and power companies across Europe.
  • D. Fortum
    Fortum is a Finnish state-owned energy company that focuses on electricity generation, district heating, and related energy services across the Nordic and Baltic regions, Poland, and India.
  • E. PKN Orlen
    PKN Orlen is a major Polish oil refiner and fuel retail company that operates extensive petrochemical, energy, and service station networks across Central and Eastern 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: ČEZ Group
Triple: [Lipno Reservoir, operator, ČEZ Group]
Generated description
ČEZ Group is a major Czech energy conglomerate and one of Central Europe’s largest electricity producers, operating power plants, distribution networks, and related energy services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: ČEZ Group
Target entity description: ČEZ Group is a major Czech energy conglomerate and one of Central Europe’s largest electricity producers, operating power plants, distribution networks, and related energy services.
  • A. Slovenské elektrárne
    Slovenské elektrárne is Slovakia’s largest electricity producer, operating major hydroelectric and nuclear power plants across the country.
  • B. Tractebel Energia
    Tractebel Energia is a Brazilian electric power generation company known for operating large hydroelectric facilities and other energy assets across the country.
  • C. Eurelectric
    Eurelectric is the pan-European industry association representing the interests of the electricity sector and power companies across Europe.
  • D. Fortum
    Fortum is a Finnish state-owned energy company that focuses on electricity generation, district heating, and related energy services across the Nordic and Baltic regions, Poland, and India.
  • E. PKN Orlen
    PKN Orlen is a major Polish oil refiner and fuel retail company that operates extensive petrochemical, energy, and service station networks across Central and Eastern 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_69e0b4fc13408190b06868df03c5c29b completed April 16, 2026, 10:07 a.m.
NER Named-entity recognition batch_69e6fad705e481909da0098d7c73cd02 completed April 21, 2026, 4:19 a.m.
NED1 Entity disambiguation (via context triple) batch_6a09278581d481909f26f27b6a92b652 completed May 17, 2026, 2:27 a.m.
NEDg Description generation batch_6a092b5c6b8481909947112f483d0242 completed May 17, 2026, 2:43 a.m.
NED2 Entity disambiguation (via description) batch_6a092c0df8188190ac9c80f2ae5b9618 completed May 17, 2026, 2:46 a.m.
Created at: April 16, 2026, 12:52 p.m.