Triple

T396870
Position Surface form Disambiguated ID Type / Status
Subject Great Plains E9201 entity
Predicate contains P35 FINISHED
Object Ogallala Aquifer
The Ogallala Aquifer is one of the world’s largest underground freshwater reservoirs, supplying crucial irrigation and drinking water across much of the central United States.
E50494 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: Ogallala Aquifer | Statement: [Great Plains, contains, Ogallala Aquifer]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Ogallala Aquifer
Context triple: [Great Plains, contains, Ogallala Aquifer]
  • A. Murray Irrigation Area
    The Murray Irrigation Area is a major agricultural irrigation district in the Riverina region of New South Wales, Australia, known for its extensive network of channels supplying water to broadacre farms.
  • B. Mono Basin
    Mono Basin is a high-desert watershed in eastern California best known for Mono Lake, its striking tufa formations, and its dramatic Eastern Sierra scenery.
  • C. Tulare Basin
    Tulare Basin is a large, endorheic subregion in the southern part of California’s Central Valley, historically dominated by extensive wetlands and Tulare Lake.
  • D. Great Basin
    The Great Basin is a vast, arid region of interior drainage in the western United States, characterized by its basin-and-range topography, deserts, and salt flats.
  • E. Amargosa River basin
    The Amargosa River basin is an arid watershed in the Mojave Desert known for its intermittent river, unique desert ecosystems, and rare oases supporting specialized wildlife.
  • 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: Ogallala Aquifer
Triple: [Great Plains, contains, Ogallala Aquifer]
Generated description
The Ogallala Aquifer is one of the world’s largest underground freshwater reservoirs, supplying crucial irrigation and drinking water across much of the central United States.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Ogallala Aquifer
Target entity description: The Ogallala Aquifer is one of the world’s largest underground freshwater reservoirs, supplying crucial irrigation and drinking water across much of the central United States.
  • A. Murray Irrigation Area
    The Murray Irrigation Area is a major agricultural irrigation district in the Riverina region of New South Wales, Australia, known for its extensive network of channels supplying water to broadacre farms.
  • B. Mono Basin
    Mono Basin is a high-desert watershed in eastern California best known for Mono Lake, its striking tufa formations, and its dramatic Eastern Sierra scenery.
  • C. Tulare Basin
    Tulare Basin is a large, endorheic subregion in the southern part of California’s Central Valley, historically dominated by extensive wetlands and Tulare Lake.
  • D. Great Basin
    The Great Basin is a vast, arid region of interior drainage in the western United States, characterized by its basin-and-range topography, deserts, and salt flats.
  • E. Amargosa River basin
    The Amargosa River basin is an arid watershed in the Mojave Desert known for its intermittent river, unique desert ecosystems, and rare oases supporting specialized wildlife.
  • 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_69a2e8004cb88190b92ed1add6abf41a completed Feb. 28, 2026, 1:05 p.m.
NER Named-entity recognition batch_69a2ec8a941081909a152fda0ce24a98 completed Feb. 28, 2026, 1:24 p.m.
NED1 Entity disambiguation (via context triple) batch_69a40ad7ebec8190a0a4ee16b20cea57 completed March 1, 2026, 9:46 a.m.
NEDg Description generation batch_69a40cc295e88190b4adb738b0ba8161 completed March 1, 2026, 9:54 a.m.
NED2 Entity disambiguation (via description) batch_69a40d4137c48190a00522b114096bd5 completed March 1, 2026, 9:56 a.m.
Created at: Feb. 28, 2026, 1:08 p.m.