Triple

T7226455
Position Surface form Disambiguated ID Type / Status
Subject Texas Special E154791 entity
Predicate routeServed P5619 FINISHED
Object St. Louis–Dallas
St. Louis–Dallas refers to the intercity rail corridor linking St. Louis, Missouri, with Dallas, Texas, historically served by passenger trains such as the Texas Special.
 E650067 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: St. Louis–Dallas | Statement: [Texas Special, routeServed, St. Louis–Dallas]

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: St. Louis–Dallas
Context triple: [Texas Special, routeServed, St. Louis–Dallas]
  • A. Pittsburgh–St. Louis
    Pittsburgh–St. Louis refers to the intercity rail corridor linking Pittsburgh, Pennsylvania, with St. Louis, Missouri, historically used by major Midwestern and Eastern railroads.
  • B. Dallas–Fort Worth vs. Houston
    Dallas–Fort Worth vs. Houston is a major intrastate sports and cultural rivalry in Texas, marked by competition between the two metropolitan areas’ teams and fan bases across multiple leagues.
  • C. Kansas City–Gulf Coast corridor
    The Kansas City–Gulf Coast corridor is a major freight rail route linking the U.S. Midwest around Kansas City with key ports and industrial centers along the Gulf Coast.
  • D. Pittsburgh–Cincinnati
    Pittsburgh–Cincinnati refers to the intercity rail corridor linking Pittsburgh, Pennsylvania, and Cincinnati, Ohio, historically used by passenger and freight trains.
  • E. 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.
  • 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: St. Louis–Dallas
Target entity description: St. Louis–Dallas refers to the intercity rail corridor linking St. Louis, Missouri, with Dallas, Texas, historically served by passenger trains such as the Texas Special.
  • A. Pittsburgh–St. Louis
    Pittsburgh–St. Louis refers to the intercity rail corridor linking Pittsburgh, Pennsylvania, with St. Louis, Missouri, historically used by major Midwestern and Eastern railroads.
  • B. Dallas–Fort Worth vs. Houston
    Dallas–Fort Worth vs. Houston is a major intrastate sports and cultural rivalry in Texas, marked by competition between the two metropolitan areas’ teams and fan bases across multiple leagues.
  • C. Kansas City–Gulf Coast corridor
    The Kansas City–Gulf Coast corridor is a major freight rail route linking the U.S. Midwest around Kansas City with key ports and industrial centers along the Gulf Coast.
  • D. Pittsburgh–Cincinnati
    Pittsburgh–Cincinnati refers to the intercity rail corridor linking Pittsburgh, Pennsylvania, and Cincinnati, Ohio, historically used by passenger and freight trains.
  • E. 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.
  • 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: St. Louis–Dallas
Triple: [Texas Special, routeServed, St. Louis–Dallas]
Generated description
St. Louis–Dallas refers to the intercity rail corridor linking St. Louis, Missouri, with Dallas, Texas, historically served by passenger trains such as the Texas Special.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69c68811dd1c8190ac460bb39e64e1f0 elicitation completed
NER batch_69c6e9de21e081908f30700f6211c5ef ner completed
NED1 batch_69c7cc17a3788190842a852fb4b96185 ned_source_triple completed
NED2 batch_69c7cd7e891c8190a6a82227addac434 ned_description completed
NEDg batch_69c7cccdde308190a02c6892f61025e2 nedg completed
Created at: March 27, 2026, 2:54 p.m.