Triple

T22304077
Position Surface form Disambiguated ID Type / Status
Subject Central California Traction Company E551328 entity
Predicate servedCorridor P2566 FINISHED
Object Stockton–Lodi–Sacramento corridor
The Stockton–Lodi–Sacramento corridor is a regional transportation and economic corridor in California’s Central Valley linking the cities of Stockton, Lodi, and Sacramento.
E1530396 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: Stockton–Lodi–Sacramento corridor | Statement: [Central California Traction Company, servedCorridor, Stockton–Lodi–Sacramento corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Stockton–Lodi–Sacramento corridor
Context triple: [Central California Traction Company, servedCorridor, Stockton–Lodi–Sacramento corridor]
  • A. East Bay–Central Valley rail corridor
    The East Bay–Central Valley rail corridor is a major freight and passenger rail route linking California’s San Francisco Bay Area with the Central Valley through the East Bay.
  • B. Sacramento–Chico line
    The Sacramento–Chico line was an interurban electric railway route in Northern California that connected Sacramento with Chico as part of the Sacramento Northern Railway system.
  • C. San Francisco–San Jose rail corridor
    The San Francisco–San Jose rail corridor is a major commuter and intercity rail line on the San Francisco Peninsula that connects San Francisco and San Jose, primarily served by Caltrain.
  • D. Richmond–Oakland–San Francisco corridor
    The Richmond–Oakland–San Francisco corridor is a major urban and transportation axis in the San Francisco Bay Area linking the cities of Richmond, Oakland, and San Francisco.
  • E. San Joaquins route
    The San Joaquins route is an Amtrak passenger rail service in California that connects the San Francisco Bay Area and Sacramento with the Central Valley and Bakersfield.
  • 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: Stockton–Lodi–Sacramento corridor
Triple: [Central California Traction Company, servedCorridor, Stockton–Lodi–Sacramento corridor]
Generated description
The Stockton–Lodi–Sacramento corridor is a regional transportation and economic corridor in California’s Central Valley linking the cities of Stockton, Lodi, and Sacramento.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Stockton–Lodi–Sacramento corridor
Target entity description: The Stockton–Lodi–Sacramento corridor is a regional transportation and economic corridor in California’s Central Valley linking the cities of Stockton, Lodi, and Sacramento.
  • A. East Bay–Central Valley rail corridor
    The East Bay–Central Valley rail corridor is a major freight and passenger rail route linking California’s San Francisco Bay Area with the Central Valley through the East Bay.
  • B. Sacramento–Chico line
    The Sacramento–Chico line was an interurban electric railway route in Northern California that connected Sacramento with Chico as part of the Sacramento Northern Railway system.
  • C. San Francisco–San Jose rail corridor
    The San Francisco–San Jose rail corridor is a major commuter and intercity rail line on the San Francisco Peninsula that connects San Francisco and San Jose, primarily served by Caltrain.
  • D. Richmond–Oakland–San Francisco corridor
    The Richmond–Oakland–San Francisco corridor is a major urban and transportation axis in the San Francisco Bay Area linking the cities of Richmond, Oakland, and San Francisco.
  • E. San Joaquins route
    The San Joaquins route is an Amtrak passenger rail service in California that connects the San Francisco Bay Area and Sacramento with the Central Valley and Bakersfield.
  • 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_69e11e46c0188190800181a4233f28fe completed April 16, 2026, 5:37 p.m.
NER Named-entity recognition batch_69f15725de488190a32006cd99dd4a67 completed April 29, 2026, 12:56 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0acc9f16608190b6d1118238f96584 completed May 18, 2026, 8:23 a.m.
NEDg Description generation batch_6a0acec65ef48190a9961d2c03361258 completed May 18, 2026, 8:33 a.m.
NED2 Entity disambiguation (via description) batch_6a0acf8273388190ba99a4d5900a7cce completed May 18, 2026, 8:36 a.m.
Created at: April 16, 2026, 8:41 p.m.