Triple

T11281369
Position Surface form Disambiguated ID Type / Status
Subject Vatnajökull National Park E267072 entity
Predicate contains P35 FINISHED
Object Hafragilsfoss waterfall
Hafragilsfoss waterfall is a powerful cascade on Iceland’s Jökulsá á Fjöllum river, known for its dramatic drop into the rugged Hafragil canyon within the country’s volcanic northeast.
E918633 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: Hafragilsfoss waterfall | Statement: [Vatnajökull National Park, contains, Hafragilsfoss waterfall]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Hafragilsfoss waterfall
Context triple: [Vatnajökull National Park, contains, Hafragilsfoss waterfall]
  • A. Selfoss waterfall
    Selfoss waterfall is a broad, picturesque cascade on the Jökulsá á Fjöllum river in northeast Iceland, located just downstream from the more famous Dettifoss.
  • B. Hengjanefossen waterfall
    Hengjanefossen waterfall is a striking cascade along Norway’s Lysefjord, known for its steep drop directly into the fjord and its popularity with sightseeing boat tours.
  • C. Gásadalur waterfall
    Gásadalur waterfall is a dramatic seaside cascade in the Faroe Islands, where water plunges from coastal cliffs directly into the North Atlantic Ocean, framed by a remote village and rugged mountain scenery.
  • D. Dettifoss waterfall
    Dettifoss waterfall is a powerful and dramatic waterfall in northeastern Iceland, renowned as one of Europe’s most voluminous and thunderous falls.
  • E. Gullfoss waterfall
    Gullfoss waterfall is one of Iceland’s most famous and powerful multi-tiered waterfalls, located on the Hvítá river and a highlight of the Golden Circle route.
  • 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: Hafragilsfoss waterfall
Triple: [Vatnajökull National Park, contains, Hafragilsfoss waterfall]
Generated description
Hafragilsfoss waterfall is a powerful cascade on Iceland’s Jökulsá á Fjöllum river, known for its dramatic drop into the rugged Hafragil canyon within the country’s volcanic northeast.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Hafragilsfoss waterfall
Target entity description: Hafragilsfoss waterfall is a powerful cascade on Iceland’s Jökulsá á Fjöllum river, known for its dramatic drop into the rugged Hafragil canyon within the country’s volcanic northeast.
  • A. Selfoss waterfall
    Selfoss waterfall is a broad, picturesque cascade on the Jökulsá á Fjöllum river in northeast Iceland, located just downstream from the more famous Dettifoss.
  • B. Hengjanefossen waterfall
    Hengjanefossen waterfall is a striking cascade along Norway’s Lysefjord, known for its steep drop directly into the fjord and its popularity with sightseeing boat tours.
  • C. Gásadalur waterfall
    Gásadalur waterfall is a dramatic seaside cascade in the Faroe Islands, where water plunges from coastal cliffs directly into the North Atlantic Ocean, framed by a remote village and rugged mountain scenery.
  • D. Dettifoss waterfall
    Dettifoss waterfall is a powerful and dramatic waterfall in northeastern Iceland, renowned as one of Europe’s most voluminous and thunderous falls.
  • E. Gullfoss waterfall
    Gullfoss waterfall is one of Iceland’s most famous and powerful multi-tiered waterfalls, located on the Hvítá river and a highlight of the Golden Circle route.
  • 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_69d6aac8c2f48190ad0596f1f89f0470 completed April 8, 2026, 7:21 p.m.
NER Named-entity recognition batch_69d7e96e15708190b3a1cccfbbe65882 completed April 9, 2026, 6:01 p.m.
NED1 Entity disambiguation (via context triple) batch_69e5259b1cb88190befc24f5f3a06da9 completed April 19, 2026, 6:57 p.m.
NEDg Description generation batch_69e52c81449c8190847b64fa91a45b2e completed April 19, 2026, 7:26 p.m.
NED2 Entity disambiguation (via description) batch_69e5319b6ef0819096debabfb6ffbe70 completed April 19, 2026, 7:48 p.m.
Created at: April 8, 2026, 9:31 p.m.