Triple

T6631787
Position Surface form Disambiguated ID Type / Status
Subject Lazarevac E149941 entity
Predicate knownFor P22 FINISHED
Object Kolubara coal basin
The Kolubara coal basin is a major lignite mining region in Serbia that supplies a significant portion of the country’s coal-fired power generation.
E516198 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: Kolubara coal basin | Statement: [Lazarevac, knownFor, Kolubara coal basin]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Kolubara coal basin
Context triple: [Lazarevac, knownFor, Kolubara coal basin]
  • A. 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.
  • B. Orava-Nowy Targ Basin
    The Orava-Nowy Targ Basin is a broad intermontane valley region in southern Poland and northern Slovakia, known for its wetlands, peat bogs, and agricultural landscapes framed by surrounding Carpathian mountain ranges.
  • C. 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.
  • 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. Belgian coal basin
    The Belgian coal basin is a historic industrial region in Belgium known for its extensive coal mining activities and associated engineering heritage, including canals and hydraulic boat lifts.
  • 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: Kolubara coal basin
Triple: [Lazarevac, knownFor, Kolubara coal basin]
Generated description
The Kolubara coal basin is a major lignite mining region in Serbia that supplies a significant portion of the country’s coal-fired power generation.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Kolubara coal basin
Target entity description: The Kolubara coal basin is a major lignite mining region in Serbia that supplies a significant portion of the country’s coal-fired power generation.
  • A. 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.
  • B. Orava-Nowy Targ Basin
    The Orava-Nowy Targ Basin is a broad intermontane valley region in southern Poland and northern Slovakia, known for its wetlands, peat bogs, and agricultural landscapes framed by surrounding Carpathian mountain ranges.
  • C. Kolubara River region chosen
    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.
  • 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. Belgian coal basin
    The Belgian coal basin is a historic industrial region in Belgium known for its extensive coal mining activities and associated engineering heritage, including canals and hydraulic boat lifts.
  • F. None of above.

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_69c687ee50048190aa151765bef16193 completed March 27, 2026, 1:36 p.m.
NER Named-entity recognition batch_69c6afa6e52c8190943c86660da23c75 completed March 27, 2026, 4:26 p.m.
NED1 Entity disambiguation (via context triple) batch_69c6cbeef9f48190aea2e97a1f8735ee completed March 27, 2026, 6:26 p.m.
NEDg Description generation batch_69c6cdc0a90c81909ed2b661320135b3 completed March 27, 2026, 6:34 p.m.
NED2 Entity disambiguation (via description) batch_69c6ce71bbfc8190801017bde36effcf completed March 27, 2026, 6:37 p.m.
Created at: March 27, 2026, 1:59 p.m.