Triple

T4957229
Position Surface form Disambiguated ID Type / Status
Subject South Fork American River E111313 entity
Predicate hasBridge P386 FINISHED
Object Highway 49 bridge at Coloma
The Highway 49 bridge at Coloma is a road bridge in California’s Gold Country that carries State Route 49 across the South Fork of the American River near the historic Marshall Gold Discovery State Historic Park.
E483021 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: Highway 49 bridge at Coloma | Statement: [South Fork American River, hasBridge, Highway 49 bridge at Coloma]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Highway 49 bridge at Coloma
Context triple: [South Fork American River, hasBridge, Highway 49 bridge at Coloma]
  • A. Folsom Lake Crossing
    Folsom Lake Crossing is a major bridge and roadway in Folsom, California, that spans the American River near Folsom Lake and provides an alternative route around the Folsom Dam area.
  • B. Interstate 5 Ship Canal Bridge
    The Interstate 5 Ship Canal Bridge is a double-deck steel truss bridge in Seattle that carries Interstate 5 over the Lake Washington Ship Canal between the University District and Eastlake neighborhoods.
  • C. Glendale–Hyperion Bridge
    The Glendale–Hyperion Bridge is a historic multi-arch concrete viaduct in Los Angeles that carries traffic over the Los Angeles River, connecting the Atwater Village neighborhood with Silver Lake and Glendale.
  • D. Guadalupe Bridge
    Guadalupe Bridge is a major road bridge in Metro Manila, Philippines, that carries EDSA across the Pasig River and serves as a key traffic artery in the city.
  • E. Riverside Drive Viaduct
    Riverside Drive Viaduct is an elevated steel and concrete roadway structure in Manhattan that carries Riverside Drive above the Amtrak rail lines and low-lying areas along the Hudson River.
  • 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: Highway 49 bridge at Coloma
Triple: [South Fork American River, hasBridge, Highway 49 bridge at Coloma]
Generated description
The Highway 49 bridge at Coloma is a road bridge in California’s Gold Country that carries State Route 49 across the South Fork of the American River near the historic Marshall Gold Discovery State Historic Park.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Highway 49 bridge at Coloma
Target entity description: The Highway 49 bridge at Coloma is a road bridge in California’s Gold Country that carries State Route 49 across the South Fork of the American River near the historic Marshall Gold Discovery State Historic Park.
  • A. Folsom Lake Crossing
    Folsom Lake Crossing is a major bridge and roadway in Folsom, California, that spans the American River near Folsom Lake and provides an alternative route around the Folsom Dam area.
  • B. Interstate 5 Ship Canal Bridge
    The Interstate 5 Ship Canal Bridge is a double-deck steel truss bridge in Seattle that carries Interstate 5 over the Lake Washington Ship Canal between the University District and Eastlake neighborhoods.
  • C. Glendale–Hyperion Bridge
    The Glendale–Hyperion Bridge is a historic multi-arch concrete viaduct in Los Angeles that carries traffic over the Los Angeles River, connecting the Atwater Village neighborhood with Silver Lake and Glendale.
  • D. Guadalupe Bridge
    Guadalupe Bridge is a major road bridge in Metro Manila, Philippines, that carries EDSA across the Pasig River and serves as a key traffic artery in the city.
  • E. Riverside Drive Viaduct
    Riverside Drive Viaduct is an elevated steel and concrete roadway structure in Manhattan that carries Riverside Drive above the Amtrak rail lines and low-lying areas along the Hudson River.
  • 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_69bd4418390c8190b7e9766a2512ce55 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd71d6ba9c8190932f8d81240c3f56 completed March 20, 2026, 4:12 p.m.
NED1 Entity disambiguation (via context triple) batch_69be81e144a08190b66bf07e09b6ff55 completed March 21, 2026, 11:32 a.m.
NEDg Description generation batch_69be83b10e048190889289ac2ca9f07f completed March 21, 2026, 11:40 a.m.
NED2 Entity disambiguation (via description) batch_69be843e2e50819099b2b73498c7c16e completed March 21, 2026, 11:42 a.m.
Created at: March 20, 2026, 1:32 p.m.