Triple

T2395104
Position Surface form Disambiguated ID Type / Status
Subject Southern Pacific Railroad E47630 entity
Predicate operatedRoute P18593 FINISHED
Object Shasta Route
The Shasta Route was a scenic rail line in the Pacific Northwest known for connecting California and Oregon through the Cascade Range under the Southern Pacific Railroad.
 E266576 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: Shasta Route | Statement: [Southern Pacific Railroad, operatedRoute, Shasta Route]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Shasta Route
Context triple: [Southern Pacific Railroad, operatedRoute, Shasta Route]
  • A. Applegate–Lassen Route
    The Applegate–Lassen Route was an alternative emigrant trail in the mid-19th century that branched off the main California Trail to provide a northern route into California and southern Oregon.
  • B. Bristlecone Trail
    Bristlecone Trail is a hiking path in Great Basin National Park known for its ancient bristlecone pine trees and high-elevation mountain scenery.
  • C. Lassen Peak Trail
    Lassen Peak Trail is a popular high-elevation hiking route in Lassen Volcanic National Park that climbs to the summit of the Lassen Peak volcano, offering expansive views of the surrounding volcanic landscape.
  • D. Santa Cruz Trail
    Santa Cruz Trail is a popular backcountry hiking route in California known for its scenic canyon views, chaparral landscapes, and access to remote areas of the Santa Ynez Mountains.
  • E. John Muir Trail
    The John Muir Trail is a long-distance hiking route in California renowned for its spectacular alpine scenery as it passes through Yosemite, Kings Canyon, and Sequoia National Parks.
  • 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: Shasta Route
Triple: [Southern Pacific Railroad, operatedRoute, Shasta Route]
Generated description
The Shasta Route was a scenic rail line in the Pacific Northwest known for connecting California and Oregon through the Cascade Range under the Southern Pacific Railroad.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Shasta Route
Target entity description: The Shasta Route was a scenic rail line in the Pacific Northwest known for connecting California and Oregon through the Cascade Range under the Southern Pacific Railroad.
  • A. Applegate–Lassen Route
    The Applegate–Lassen Route was an alternative emigrant trail in the mid-19th century that branched off the main California Trail to provide a northern route into California and southern Oregon.
  • B. Bristlecone Trail
    Bristlecone Trail is a hiking path in Great Basin National Park known for its ancient bristlecone pine trees and high-elevation mountain scenery.
  • C. Lassen Peak Trail
    Lassen Peak Trail is a popular high-elevation hiking route in Lassen Volcanic National Park that climbs to the summit of the Lassen Peak volcano, offering expansive views of the surrounding volcanic landscape.
  • D. Santa Cruz Trail
    Santa Cruz Trail is a popular backcountry hiking route in California known for its scenic canyon views, chaparral landscapes, and access to remote areas of the Santa Ynez Mountains.
  • E. John Muir Trail
    The John Muir Trail is a long-distance hiking route in California renowned for its spectacular alpine scenery as it passes through Yosemite, Kings Canyon, and Sequoia National Parks.
  • 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_69a88a1c450c81909f61abb8b6863885 completed March 4, 2026, 7:38 p.m.
NER Named-entity recognition batch_69abc879b1b88190be8d0337d9a17bd0 completed March 7, 2026, 6:40 a.m.
NED1 Entity disambiguation (via context triple) batch_69aebf3a3a2c8190a29b8ce47e40c3f8 completed March 9, 2026, 12:38 p.m.
NEDg Description generation batch_69aec423e6608190aff6b12d31c9f533 completed March 9, 2026, 12:59 p.m.
NED2 Entity disambiguation (via description) batch_69aec570ec88819089a2afc42aec1088 completed March 9, 2026, 1:04 p.m.
Created at: March 4, 2026, 7:57 p.m.