Triple

T22220206
Position Surface form Disambiguated ID Type / Status
Subject Fontana Lake E549187 entity
Predicate hasNearbyInfrastructure P231 FINISHED
Object Fontana Dam Visitor Center — NE NERFINISHED

How this triple was built (3 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: Fontana Dam Visitor Center | Statement: [Fontana Lake, hasNearbyInfrastructure, Fontana Dam Visitor Center]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Fontana Dam Visitor Center
Context triple: [Fontana Lake, hasNearbyInfrastructure, Fontana Dam Visitor Center]
  • A. Old Mission Dam Historic Site
    Old Mission Dam Historic Site is a preserved 19th-century stone dam and waterworks built by Spanish missionaries and Native laborers to serve Mission San Diego de Alcalá, now a key historical landmark within Mission Trails Regional Park in San Diego, California.
  • B. Grand Coulee Dam Visitor Center
    The Grand Coulee Dam Visitor Center is an interpretive facility near Grand Coulee Dam that offers exhibits, films, and educational displays about the dam’s construction, history, and role in hydroelectric power and irrigation.
  • C. Ventura Harbor Visitor Center
    Ventura Harbor Visitor Center is the mainland visitor facility for Channel Islands National Park, offering exhibits, information, and orientation for visitors exploring the park and its surrounding marine environment.
  • D. Dry Falls Visitor Center
    Dry Falls Visitor Center is an interpretive facility in central Washington that offers exhibits, viewpoints, and educational information about the massive Ice Age floods that carved the Dry Falls landscape.
  • E. Hoover Dam Museum
    Hoover Dam Museum is a local history museum in Boulder City, Nevada, dedicated to the construction, workers, and legacy of the Hoover Dam and the development of the surrounding region.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Fontana Dam Visitor Center
Target entity description: Fontana Dam Visitor Center is a public facility near Fontana Dam and Fontana Lake that offers exhibits, information, and scenic views related to the dam, reservoir, and surrounding Great Smoky Mountains area.
  • A. Old Mission Dam Historic Site
    Old Mission Dam Historic Site is a preserved 19th-century stone dam and waterworks built by Spanish missionaries and Native laborers to serve Mission San Diego de Alcalá, now a key historical landmark within Mission Trails Regional Park in San Diego, California.
  • B. Grand Coulee Dam Visitor Center
    The Grand Coulee Dam Visitor Center is an interpretive facility near Grand Coulee Dam that offers exhibits, films, and educational displays about the dam’s construction, history, and role in hydroelectric power and irrigation.
  • C. Ventura Harbor Visitor Center
    Ventura Harbor Visitor Center is the mainland visitor facility for Channel Islands National Park, offering exhibits, information, and orientation for visitors exploring the park and its surrounding marine environment.
  • D. Dry Falls Visitor Center
    Dry Falls Visitor Center is an interpretive facility in central Washington that offers exhibits, viewpoints, and educational information about the massive Ice Age floods that carved the Dry Falls landscape.
  • E. Hoover Dam Museum
    Hoover Dam Museum is a local history museum in Boulder City, Nevada, dedicated to the construction, workers, and legacy of the Hoover Dam and the development of the surrounding region.
  • F. None of above. chosen

Provenance (2 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_69e11e403d6481909a94d0aaf157f6ef completed April 16, 2026, 5:37 p.m.
NER Named-entity recognition batch_69f12b8fa3d081908db0a0556b009d8f completed April 28, 2026, 9:50 p.m.
Created at: April 16, 2026, 8:37 p.m.