Triple

T15520769
Position Surface form Disambiguated ID Type / Status
Subject Alexanderson alternator E368959 entity
Predicate associatedWith P37 FINISHED
Object UNESCO World Heritage Site Grimeton Radio Station
The UNESCO World Heritage Site Grimeton Radio Station is a historic long-wave transatlantic wireless transmitting facility in Sweden that preserves one of the last operational Alexanderson alternator radio transmitters in the world.
E1161716 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: UNESCO World Heritage Site Grimeton Radio Station | Statement: [Alexanderson alternator, associatedWith, UNESCO World Heritage Site Grimeton Radio Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: UNESCO World Heritage Site Grimeton Radio Station
Context triple: [Alexanderson alternator, associatedWith, UNESCO World Heritage Site Grimeton Radio Station]
  • A. Poldhu Wireless Station
    Poldhu Wireless Station was an early 20th-century radio transmission site in Cornwall, England, famous as the location from which Guglielmo Marconi conducted pioneering long-distance wireless telegraphy experiments, including the first transatlantic radio signal.
  • B. Marconi Station Site
    Marconi Station Site is a historic location on Cape Cod where Guglielmo Marconi conducted pioneering transatlantic wireless communication experiments.
  • C. Mizen Head Signal Station
    Mizen Head Signal Station is a historic coastal lookout and former maritime communication post located on the rugged cliffs of Mizen Head in County Cork, Ireland, now serving as a visitor attraction and heritage site.
  • D. Bawdsey Research Station
    Bawdsey Research Station was a pioneering British radar research and development facility on the Suffolk coast that played a crucial role in the early development of air defense systems before and during World War II.
  • E. Sandy Heath transmitting station
    Sandy Heath transmitting station is a major broadcasting and telecommunications facility in Bedfordshire, England, serving as a key transmitter for television and radio signals across the surrounding region.
  • 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: UNESCO World Heritage Site Grimeton Radio Station
Triple: [Alexanderson alternator, associatedWith, UNESCO World Heritage Site Grimeton Radio Station]
Generated description
The UNESCO World Heritage Site Grimeton Radio Station is a historic long-wave transatlantic wireless transmitting facility in Sweden that preserves one of the last operational Alexanderson alternator radio transmitters in the world.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: UNESCO World Heritage Site Grimeton Radio Station
Target entity description: The UNESCO World Heritage Site Grimeton Radio Station is a historic long-wave transatlantic wireless transmitting facility in Sweden that preserves one of the last operational Alexanderson alternator radio transmitters in the world.
  • A. Poldhu Wireless Station
    Poldhu Wireless Station was an early 20th-century radio transmission site in Cornwall, England, famous as the location from which Guglielmo Marconi conducted pioneering long-distance wireless telegraphy experiments, including the first transatlantic radio signal.
  • B. Marconi Station Site
    Marconi Station Site is a historic location on Cape Cod where Guglielmo Marconi conducted pioneering transatlantic wireless communication experiments.
  • C. Mizen Head Signal Station
    Mizen Head Signal Station is a historic coastal lookout and former maritime communication post located on the rugged cliffs of Mizen Head in County Cork, Ireland, now serving as a visitor attraction and heritage site.
  • D. Bawdsey Research Station
    Bawdsey Research Station was a pioneering British radar research and development facility on the Suffolk coast that played a crucial role in the early development of air defense systems before and during World War II.
  • E. Sandy Heath transmitting station
    Sandy Heath transmitting station is a major broadcasting and telecommunications facility in Bedfordshire, England, serving as a key transmitter for television and radio signals across the surrounding region.
  • 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_69d85a1794cc8190b0b428716296e63e completed April 10, 2026, 2:01 a.m.
NER Named-entity recognition batch_69e0403543188190abac49d2b9decb89 completed April 16, 2026, 1:49 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff3d54ea5c8190b3b220ad10ba8f40 completed May 9, 2026, 1:57 p.m.
NEDg Description generation batch_69ff3e5643088190a9b001ef815ddd3a completed May 9, 2026, 2:01 p.m.
NED2 Entity disambiguation (via description) batch_69ff3f4456f88190b7fc9b853b0155e4 completed May 9, 2026, 2:05 p.m.
Created at: April 10, 2026, 4:04 a.m.