Triple

T5280318
Position Surface form Disambiguated ID Type / Status
Subject Super Chief E119479 entity
Predicate primaryRoute P6298 FINISHED
Object Chicago–Los Angeles
Chicago–Los Angeles is a major transcontinental rail and travel corridor in the United States connecting the Midwest to the Pacific Coast.
 E509303 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Chicago–Los Angeles | Statement: [Super Chief, primaryRoute, Chicago–Los Angeles]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Chicago–Los Angeles
Context triple: [Super Chief, primaryRoute, Chicago–Los Angeles]
  • A. Paris–Los Angeles
    Paris–Los Angeles is a long-haul transatlantic air route linking the capital of France with the major West Coast city in the United States.
  • B. Los Angeles–San Francisco
    Los Angeles–San Francisco refers to the major intercity corridor in California connecting the state’s largest southern metropolis with its iconic northern bay city, historically served by prominent rail and highway routes.
  • C. Los Angeles–Las Vegas route
    The Los Angeles–Las Vegas route is a heavily traveled transportation corridor linking Southern California with Las Vegas, Nevada, known for its desert scenery, frequent traffic congestion, and role as a major leisure and tourism artery.
  • D. Paris–San Francisco
    Paris–San Francisco is a long-haul transatlantic air route linking the capital of France with the major West Coast city in the United States.
  • E. Seoul–Los Angeles
    Seoul–Los Angeles is a major long-haul transpacific air route connecting South Korea’s capital with one of the largest cities on the U.S. West Coast.
  • 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: Chicago–Los Angeles
Target entity description: Chicago–Los Angeles is a major transcontinental rail and travel corridor in the United States connecting the Midwest to the Pacific Coast.
  • A. Paris–Los Angeles
    Paris–Los Angeles is a long-haul transatlantic air route linking the capital of France with the major West Coast city in the United States.
  • B. Los Angeles–San Francisco
    Los Angeles–San Francisco refers to the major intercity corridor in California connecting the state’s largest southern metropolis with its iconic northern bay city, historically served by prominent rail and highway routes.
  • C. Los Angeles–Las Vegas route
    The Los Angeles–Las Vegas route is a heavily traveled transportation corridor linking Southern California with Las Vegas, Nevada, known for its desert scenery, frequent traffic congestion, and role as a major leisure and tourism artery.
  • D. Paris–San Francisco
    Paris–San Francisco is a long-haul transatlantic air route linking the capital of France with the major West Coast city in the United States.
  • E. Seoul–Los Angeles
    Seoul–Los Angeles is a major long-haul transpacific air route connecting South Korea’s capital with one of the largest cities on the U.S. West Coast.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

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: Chicago–Los Angeles
Triple: [Super Chief, primaryRoute, Chicago–Los Angeles]
Generated description
Chicago–Los Angeles is a major transcontinental rail and travel corridor in the United States connecting the Midwest to the Pacific Coast.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69bd446d05a8819092ad333a3f9c8d5c elicitation completed
NER batch_69bd84c409248190a0154a660f58e096 ner completed
NED1 batch_69bf06dd56a08190a7cfef614e5990f4 ned_source_triple completed
NED2 batch_69bf0cd1307481909a60298929af7699 ned_description completed
NEDg batch_69bf08eb8a50819092df2f12679fbca0 nedg completed
Created at: March 20, 2026, 1:52 p.m.