Triple

T8147795
Position Surface form Disambiguated ID Type / Status
Subject Zwenkau E190257 entity
Predicate near P350 FINISHED
Object Zwenkau open-cast mine (former)
The former Zwenkau open-cast mine was a large lignite (brown coal) surface mining site in Saxony, Germany, that has since been closed and partly transformed into a lake and recreational landscape.
E717329 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: Zwenkau open-cast mine (former) | Statement: [Zwenkau, near, Zwenkau open-cast mine (former)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Zwenkau open-cast mine (former)
Context triple: [Zwenkau, near, Zwenkau open-cast mine (former)]
  • A. Hambach open-pit mine
    The Hambach open-pit mine is one of Germany’s largest lignite (brown coal) surface mines, known for its significant environmental impact and role in debates over coal use and climate policy.
  • B. Usibelli Coal Mine
    Usibelli Coal Mine is Alaska’s largest coal mining operation, known for supplying coal to local power plants and for export from its surface mines near Healy.
  • C. South Field lignite mine
    The South Field lignite mine is a major open-pit coal mining operation in the Kozani regional unit of Greece, supporting nearby power plants and regional energy production.
  • D. Buckhaven mining area
    Buckhaven mining area is a historic coal mining district in Buckhaven, Fife, Scotland, once part of the region’s extensive industrial coal production.
  • E. Hull–Rust–Mahoning Open Pit Iron Mine
    The Hull–Rust–Mahoning Open Pit Iron Mine is one of the world’s largest open-pit iron ore mines and a historically significant mining site on Minnesota’s Mesabi Range.
  • 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: Zwenkau open-cast mine (former)
Triple: [Zwenkau, near, Zwenkau open-cast mine (former)]
Generated description
The former Zwenkau open-cast mine was a large lignite (brown coal) surface mining site in Saxony, Germany, that has since been closed and partly transformed into a lake and recreational landscape.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Zwenkau open-cast mine (former)
Target entity description: The former Zwenkau open-cast mine was a large lignite (brown coal) surface mining site in Saxony, Germany, that has since been closed and partly transformed into a lake and recreational landscape.
  • A. Hambach open-pit mine
    The Hambach open-pit mine is one of Germany’s largest lignite (brown coal) surface mines, known for its significant environmental impact and role in debates over coal use and climate policy.
  • B. Usibelli Coal Mine
    Usibelli Coal Mine is Alaska’s largest coal mining operation, known for supplying coal to local power plants and for export from its surface mines near Healy.
  • C. South Field lignite mine
    The South Field lignite mine is a major open-pit coal mining operation in the Kozani regional unit of Greece, supporting nearby power plants and regional energy production.
  • D. Buckhaven mining area
    Buckhaven mining area is a historic coal mining district in Buckhaven, Fife, Scotland, once part of the region’s extensive industrial coal production.
  • E. Hull–Rust–Mahoning Open Pit Iron Mine
    The Hull–Rust–Mahoning Open Pit Iron Mine is one of the world’s largest open-pit iron ore mines and a historically significant mining site on Minnesota’s Mesabi Range.
  • 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_69ca82be7ba8819087de0147e9292c83 completed March 30, 2026, 2:03 p.m.
NER Named-entity recognition batch_69cb447e74e081908df774edb2134209 completed March 31, 2026, 3:50 a.m.
NED1 Entity disambiguation (via context triple) batch_69ccbee697208190a1d9c98b2a4414bd completed April 1, 2026, 6:44 a.m.
NEDg Description generation batch_69ccc30f1fc48190991e0caa9ea6e735 completed April 1, 2026, 7:02 a.m.
NED2 Entity disambiguation (via description) batch_69ccd8041c00819094094701ace21aa0 completed April 1, 2026, 8:32 a.m.
Created at: March 30, 2026, 5:36 p.m.