Triple

T6631797
Position Surface form Disambiguated ID Type / Status
Subject Lazarevac E149941 entity
Predicate hasCoalField P37790 FINISHED
Object Kolubara coal field E606913 NE FINISHED

How this triple was built (3 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: Kolubara coal field | Statement: [Lazarevac, hasCoalField, Kolubara coal field]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Kolubara coal field
Context triple: [Lazarevac, hasCoalField, Kolubara coal field]
  • A. Kolubara coal basin chosen
    The Kolubara coal basin is a major lignite mining region in central Serbia that supplies a significant portion of the country’s coal-fired power generation.
  • B. RB Kolubara (Kolubara Mining Basin company)
    RB Kolubara (Kolubara Mining Basin company) is a major Serbian coal mining and energy company that operates large open-pit lignite mines and supplies a significant portion of the country’s electricity production.
  • C. Ptolemaida lignite basin
    The Ptolemaida lignite basin is a major coal-mining area in northern Greece that has long been central to the country’s electricity production and industrial activity.
  • D. Karaganda coal basin
    The Karaganda coal basin is a major coal-mining region in central Kazakhstan that has long been one of the country’s key industrial and energy-producing centers.
  • E. Kolubara River region
    The Kolubara River region is an area in western Serbia known for its strategic importance and as the site of significant World War I fighting, including the Battle of Kolubara.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07 
Target predicate: hasCoalField
Context triple: [Lazarevac, hasCoalField, Kolubara coal field]
  • A. hasCoalBasin chosen
    Indicates that one entity contains, includes, or is characterized by a coal-bearing geological basin associated with the other entity.
  • B. hasCoalMiningHistory
    Indicates that an entity has a past or ongoing involvement in coal mining activities or industry.
  • C. isInCoalRegion
    Indicates that an entity is located within a geographic region characterized by coal deposits, coal mining, or coal-related activities.
  • D. coalMinedFrom
    Indicates that a quantity or batch of coal has been extracted from a particular source location, such as a mine or geological deposit.
  • E. hasUndergroundMine
    Indicates that one entity possesses, controls, or contains an underground mine associated with it.
  • F. None of above.

Provenance (4 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_69c687ee50048190aa151765bef16193 completed March 27, 2026, 1:36 p.m.
NER Named-entity recognition batch_69c6c308a08881908501c862b3029321 completed March 27, 2026, 5:48 p.m.
NED1 Entity disambiguation (via context triple) batch_69c6eeeaa67881908bef71c5fa61c599 completed March 27, 2026, 8:56 p.m.
PD Predicate disambiguation batch_69c6ad024860819084b9b535b136ede6 completed March 27, 2026, 4:14 p.m.
Created at: March 27, 2026, 1:59 p.m.