Triple

T695897

Position	Surface form	Disambiguated ID	Type / Status
Subject	Medicine Lake Volcano	`E13892`	entity
Predicate	monitoredBy	`P752`	FINISHED
Object	USGS California Volcano Observatory The USGS California Volcano Observatory is a United States Geological Survey center responsible for monitoring and studying volcanic activity in California to assess hazards and support public safety and emergency planning.	`E85536`	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: USGS California Volcano Observatory | Statement: [Medicine Lake Volcano, monitoredBy, USGS California Volcano Observatory]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: USGS California Volcano Observatory
Context triple: [Medicine Lake Volcano, monitoredBy, USGS California Volcano Observatory]

A. USGS Cascades Volcano Observatory
The USGS Cascades Volcano Observatory is a United States Geological Survey research and monitoring center focused on studying and tracking volcanic activity in the Cascade Range and surrounding regions.
B. Hawaiian Volcano Observatory
The Hawaiian Volcano Observatory is a U.S. Geological Survey facility responsible for monitoring and researching volcanic activity in Hawaii, including major volcanoes such as Mauna Loa and Kīlauea.
C. Long Valley Caldera
Long Valley Caldera is a large volcanic depression in eastern California known for its geothermal activity, seismic unrest, and proximity to the Sierra Nevada and Mammoth Lakes.
D. Berkeley Seismological Laboratory
The Berkeley Seismological Laboratory is a research and monitoring center at UC Berkeley dedicated to studying earthquakes and Earth’s interior through seismology.
E. United States Geological Survey
The United States Geological Survey is a U.S. government scientific agency that studies and monitors natural resources and natural hazards such as earthquakes, volcanoes, and water resources.
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: USGS California Volcano Observatory
Triple: [Medicine Lake Volcano, monitoredBy, USGS California Volcano Observatory]

Generated description

The USGS California Volcano Observatory is a United States Geological Survey center responsible for monitoring and studying volcanic activity in California to assess hazards and support public safety and emergency planning.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: USGS California Volcano Observatory
Target entity description: The USGS California Volcano Observatory is a United States Geological Survey center responsible for monitoring and studying volcanic activity in California to assess hazards and support public safety and emergency planning.

A. USGS Cascades Volcano Observatory
The USGS Cascades Volcano Observatory is a United States Geological Survey research and monitoring center focused on studying and tracking volcanic activity in the Cascade Range and surrounding regions.
B. Hawaiian Volcano Observatory
The Hawaiian Volcano Observatory is a U.S. Geological Survey facility responsible for monitoring and researching volcanic activity in Hawaii, including major volcanoes such as Mauna Loa and Kīlauea.
C. Long Valley Caldera
Long Valley Caldera is a large volcanic depression in eastern California known for its geothermal activity, seismic unrest, and proximity to the Sierra Nevada and Mammoth Lakes.
D. Berkeley Seismological Laboratory
The Berkeley Seismological Laboratory is a research and monitoring center at UC Berkeley dedicated to studying earthquakes and Earth’s interior through seismology.
E. United States Geological Survey
The United States Geological Survey is a U.S. government scientific agency that studies and monitors natural resources and natural hazards such as earthquakes, volcanoes, and water resources.
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_69a493406c408190957eeec9048a8fb6`	completed	March 1, 2026, 7:28 p.m.
NER	Named-entity recognition	`batch_69a4a0c5f51c8190acc4915099e4b384`	completed	March 1, 2026, 8:25 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69a5dca9aa9c8190a113e782988aa7f8`	completed	March 2, 2026, 6:53 p.m.
NEDg	Description generation	`batch_69a5e70510908190bcbd1c46629d05f5`	completed	March 2, 2026, 7:37 p.m.
NED2	Entity disambiguation (via description)	`batch_69a60989aac08190a324c8d9889086f5`	completed	March 2, 2026, 10:04 p.m.

Created at: March 1, 2026, 7:36 p.m.