Triple

T2842846
Position Surface form Disambiguated ID Type / Status
Subject Grove Karl Gilbert E62509 entity
Predicate employer P7 FINISHED
Object U.S. Geological Exploration of the Fortieth Parallel
The U.S. Geological Exploration of the Fortieth Parallel was a major 19th-century American scientific survey that mapped and studied the geology and natural resources along the 40th parallel in the western United States.
E303529 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: U.S. Geological Exploration of the Fortieth Parallel | Statement: [Grove Karl Gilbert, employer, U.S. Geological Exploration of the Fortieth Parallel]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: U.S. Geological Exploration of the Fortieth Parallel
Context triple: [Grove Karl Gilbert, employer, U.S. Geological Exploration of the Fortieth Parallel]
  • A. Raynolds Expedition to the Yellowstone and Missouri River headwaters
    The Raynolds Expedition to the Yellowstone and Missouri River headwaters was an 1859–1860 U.S. Army topographical survey that produced some of the earliest detailed scientific and geographic information about the northern Rocky Mountains and the Yellowstone region.
  • B. Second Geological Survey of Pennsylvania
    The Second Geological Survey of Pennsylvania was a comprehensive 19th-century state-sponsored scientific effort that systematically mapped and analyzed Pennsylvania’s geology, mineral resources, and topography, greatly advancing geological knowledge and resource development in the region.
  • C. French Geodesic Mission to Lapland
    The French Geodesic Mission to Lapland was an 18th-century scientific expedition that measured a meridian arc near the Arctic Circle to test the Earth's shape and confirm Newton's theory of an oblate spheroid.
  • D. The Elements of Geology
    The Elements of Geology is a foundational 19th-century textbook by Charles Lyell that helped establish modern geological science and popularize uniformitarian principles.
  • E. Westward the Course of Empire Takes Its Way
    Westward the Course of Empire Takes Its Way is a large 19th-century mural by Emanuel Leutze that romantically depicts American westward expansion and Manifest Destiny.
  • 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: U.S. Geological Exploration of the Fortieth Parallel
Triple: [Grove Karl Gilbert, employer, U.S. Geological Exploration of the Fortieth Parallel]
Generated description
The U.S. Geological Exploration of the Fortieth Parallel was a major 19th-century American scientific survey that mapped and studied the geology and natural resources along the 40th parallel in the western United States.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: U.S. Geological Exploration of the Fortieth Parallel
Target entity description: The U.S. Geological Exploration of the Fortieth Parallel was a major 19th-century American scientific survey that mapped and studied the geology and natural resources along the 40th parallel in the western United States.
  • A. Raynolds Expedition to the Yellowstone and Missouri River headwaters
    The Raynolds Expedition to the Yellowstone and Missouri River headwaters was an 1859–1860 U.S. Army topographical survey that produced some of the earliest detailed scientific and geographic information about the northern Rocky Mountains and the Yellowstone region.
  • B. Second Geological Survey of Pennsylvania
    The Second Geological Survey of Pennsylvania was a comprehensive 19th-century state-sponsored scientific effort that systematically mapped and analyzed Pennsylvania’s geology, mineral resources, and topography, greatly advancing geological knowledge and resource development in the region.
  • C. French Geodesic Mission to Lapland
    The French Geodesic Mission to Lapland was an 18th-century scientific expedition that measured a meridian arc near the Arctic Circle to test the Earth's shape and confirm Newton's theory of an oblate spheroid.
  • D. The Elements of Geology
    The Elements of Geology is a foundational 19th-century textbook by Charles Lyell that helped establish modern geological science and popularize uniformitarian principles.
  • E. Westward the Course of Empire Takes Its Way
    Westward the Course of Empire Takes Its Way is a large 19th-century mural by Emanuel Leutze that romantically depicts American westward expansion and Manifest Destiny.
  • 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_69ab4c3d16bc81908b3a1c98fbd287fe completed March 6, 2026, 9:50 p.m.
NER Named-entity recognition batch_69abdf1898748190b031a2bd2091c0c0 completed March 7, 2026, 8:17 a.m.
NED1 Entity disambiguation (via context triple) batch_69afe8d570388190b4ed81ace605c6c3 completed March 10, 2026, 9:48 a.m.
NEDg Description generation batch_69afe9ba068881908727c82d5eddb974 completed March 10, 2026, 9:51 a.m.
NED2 Entity disambiguation (via description) batch_69b00412e7448190898050f18f64ea9a completed March 10, 2026, 11:44 a.m.
Created at: March 6, 2026, 10:01 p.m.