Triple

T17138584
Position Surface form Disambiguated ID Type / Status
Subject Sawahlunto E415902 entity
Predicate hasNearbyResource P18252 FINISHED
Object Ombilin coal basin
The Ombilin coal basin is a major coal-rich geological area in West Sumatra, Indonesia, historically significant as one of the country’s oldest and most important coal mining regions.
 E1027748 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: Ombilin coal basin | Statement: [Sawahlunto, hasNearbyResource, Ombilin coal basin]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Ombilin coal basin
Context triple: [Sawahlunto, hasNearbyResource, Ombilin coal basin]
  • A. Palu Valley
    Palu Valley is a lowland region in Central Sulawesi, Indonesia, known for its coastal plain around the city of Palu and its role as an economic and transportation hub in the area.
  • B. Comacarán
    Comacarán is a small municipality and town located in eastern El Salvador.
  • C. Toba Batak
    Toba Batak is an Austronesian language spoken primarily by the Toba Batak people of North Sumatra, Indonesia.
  • D. Kubu Raya
    Kubu Raya is a regency in the Indonesian province of West Kalimantan, known for its proximity to the provincial capital Pontianak and its mix of coastal, riverine, and rural landscapes.
  • E. Gunnedah Basin
    The Gunnedah Basin is a significant geological and coal-bearing sedimentary basin in north-eastern New South Wales, Australia.
  • 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: Ombilin coal basin
Triple: [Sawahlunto, hasNearbyResource, Ombilin coal basin]
Generated description
The Ombilin coal basin is a major coal-rich geological area in West Sumatra, Indonesia, historically significant as one of the country’s oldest and most important coal mining regions.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Ombilin coal basin
Target entity description: The Ombilin coal basin is a major coal-rich geological area in West Sumatra, Indonesia, historically significant as one of the country’s oldest and most important coal mining regions.
  • A. Palu Valley
    Palu Valley is a lowland region in Central Sulawesi, Indonesia, known for its coastal plain around the city of Palu and its role as an economic and transportation hub in the area.
  • B. Comacarán
    Comacarán is a small municipality and town located in eastern El Salvador.
  • C. Toba Batak
    Toba Batak is an Austronesian language spoken primarily by the Toba Batak people of North Sumatra, Indonesia.
  • D. Kubu Raya
    Kubu Raya is a regency in the Indonesian province of West Kalimantan, known for its proximity to the provincial capital Pontianak and its mix of coastal, riverine, and rural landscapes.
  • E. Gunnedah Basin chosen
    The Gunnedah Basin is a significant geological and coal-bearing sedimentary basin in north-eastern New South Wales, Australia.
  • 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_69d886d15af4819092f92f8a129763e6 completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e3f2d1277881909325ffd2a7aa4873 completed April 18, 2026, 9:08 p.m.
NED1 Entity disambiguation (via context triple) batch_6a014152da008190bbbff4147cfd8c5b completed May 11, 2026, 2:39 a.m.
NEDg Description generation batch_6a014209b11081908ed088a9bb18b73b completed May 11, 2026, 2:42 a.m.
NED2 Entity disambiguation (via description) batch_6a0142ac95188190847f29cb0f8d15ed completed May 11, 2026, 2:45 a.m.
Created at: April 10, 2026, 5:36 a.m.