Triple

T71107
Position Surface form Disambiguated ID Type / Status
Subject Donner Pass E1422 entity
Predicate traversedBy P225 FINISHED
Object Central Pacific Railroad historic route
The Central Pacific Railroad historic route is the original transcontinental rail line built in the 1860s that crossed the Sierra Nevada, including through Donner Pass, to connect California with the rest of the United States.
E6141 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: Central Pacific Railroad historic route | Statement: [Donner Pass, traversedBy, Central Pacific Railroad historic route]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Central Pacific Railroad historic route
Context triple: [Donner Pass, traversedBy, Central Pacific Railroad historic route]
  • A. Mojave Road historic route
    The Mojave Road historic route is a 19th-century wagon trail-turned-backcountry track that crosses the Mojave Desert, now popular with off-road enthusiasts and history buffs for its remote scenery and frontier-era landmarks.
  • B. Union Pacific Railroad
    Union Pacific Railroad is one of the largest freight rail networks in the United States, operating an extensive system that spans the western two-thirds of the country.
  • C. San Francisco cable car system
    The San Francisco cable car system is a historic manually operated streetcar network and iconic symbol of the city, known for its steep routes and status as the world’s last permanently operational cable car system.
  • D. El Camino Real
    El Camino Real is a historic and major thoroughfare in California that traces the route connecting the state’s early Spanish missions and now serves as a key commercial and commuter corridor through many Peninsula and South Bay communities.
  • E. U.S. Route 50
    U.S. Route 50 is a major transcontinental U.S. highway running east–west across the country from the Atlantic coast in Maryland to California, passing through numerous states and key cities along the way.
  • 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: Central Pacific Railroad historic route
Triple: [Donner Pass, traversedBy, Central Pacific Railroad historic route]
Generated description
The Central Pacific Railroad historic route is the original transcontinental rail line built in the 1860s that crossed the Sierra Nevada, including through Donner Pass, to connect California with the rest of the United States.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Central Pacific Railroad historic route
Target entity description: The Central Pacific Railroad historic route is the original transcontinental rail line built in the 1860s that crossed the Sierra Nevada, including through Donner Pass, to connect California with the rest of the United States.
  • A. Mojave Road historic route
    The Mojave Road historic route is a 19th-century wagon trail-turned-backcountry track that crosses the Mojave Desert, now popular with off-road enthusiasts and history buffs for its remote scenery and frontier-era landmarks.
  • B. California State Railroad Museum
    The California State Railroad Museum is a major railway history museum in Sacramento showcasing historic locomotives, rolling stock, and exhibits on the development of railroads in California and the American West.
  • C. Old Spanish Trail (auto trail)
    The Old Spanish Trail (auto trail) was an early 20th-century transcontinental highway route that linked St. Augustine, Florida, to San Diego, California, promoting automobile travel across the southern United States.
  • D. Union Pacific Railroad
    Union Pacific Railroad is one of the largest freight rail networks in the United States, operating an extensive system that spans the western two-thirds of the country.
  • E. San Francisco cable car system
    The San Francisco cable car system is a historic manually operated streetcar network and iconic symbol of the city, known for its steep routes and status as the world’s last permanently operational cable car system.
  • 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_69a24c06b3bc8190aa4ac89026115efc completed Feb. 28, 2026, 1:59 a.m.
NER Named-entity recognition batch_69a24f0578808190be793d7a161c2cf5 completed Feb. 28, 2026, 2:12 a.m.
NED1 Entity disambiguation (via context triple) batch_69a2554ffb8c8190a30aceecd7f30d96 completed Feb. 28, 2026, 2:39 a.m.
NEDg Description generation batch_69a25943cba88190a78f708d453ce968 completed Feb. 28, 2026, 2:56 a.m.
NED2 Entity disambiguation (via description) batch_69a259c2706c8190b5319c004e207c29 completed Feb. 28, 2026, 2:58 a.m.
Created at: Feb. 28, 2026, 2:03 a.m.