Triple

T9148930
Position Surface form Disambiguated ID Type / Status
Subject Amtrak Heartland Flyer E219530 entity
Predicate route P5619 FINISHED
Object Oklahoma City – Fort Worth
Oklahoma City–Fort Worth is the passenger rail corridor in the Southern Plains region of the United States that links Oklahoma’s capital with the Dallas–Fort Worth metropolitan area.
E781193 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: Oklahoma City – Fort Worth | Statement: [Amtrak Heartland Flyer, route, Oklahoma City – Fort Worth]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Oklahoma City – Fort Worth
Context triple: [Amtrak Heartland Flyer, route, Oklahoma City – Fort Worth]
  • A. 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.
  • B. San Antonio–Austin
    San Antonio–Austin refers to the central Texas urban corridor encompassing the rapidly growing metropolitan areas of San Antonio and Austin, known for its economic, cultural, and transportation significance.
  • C. Oklahoma City metropolitan area
    The Oklahoma City metropolitan area is a multi-county urban region centered on Oklahoma City that serves as the primary economic, cultural, and population hub of central Oklahoma.
  • D. Oklahoma City
    Oklahoma City is the capital and largest city of the U.S. state of Oklahoma, known for its energy industry, cowboy culture, and role as a major regional economic and transportation hub.
  • E. Fort Worth, Texas
    Fort Worth, Texas is a major city in North Texas known for its historic Western heritage, cultural districts, and role as a key economic and transportation hub in the Dallas–Fort Worth metroplex.
  • 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: Oklahoma City – Fort Worth
Triple: [Amtrak Heartland Flyer, route, Oklahoma City – Fort Worth]
Generated description
Oklahoma City–Fort Worth is the passenger rail corridor in the Southern Plains region of the United States that links Oklahoma’s capital with the Dallas–Fort Worth metropolitan area.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Oklahoma City – Fort Worth
Target entity description: Oklahoma City–Fort Worth is the passenger rail corridor in the Southern Plains region of the United States that links Oklahoma’s capital with the Dallas–Fort Worth metropolitan area.
  • A. 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.
  • B. San Antonio–Austin
    San Antonio–Austin refers to the central Texas urban corridor encompassing the rapidly growing metropolitan areas of San Antonio and Austin, known for its economic, cultural, and transportation significance.
  • C. Oklahoma City metropolitan area
    The Oklahoma City metropolitan area is a multi-county urban region centered on Oklahoma City that serves as the primary economic, cultural, and population hub of central Oklahoma.
  • D. Oklahoma City
    Oklahoma City is the capital and largest city of the U.S. state of Oklahoma, known for its energy industry, cowboy culture, and role as a major regional economic and transportation hub.
  • E. Fort Worth, Texas
    Fort Worth, Texas is a major city in North Texas known for its historic Western heritage, cultural districts, and role as a key economic and transportation hub in the Dallas–Fort Worth metroplex.
  • 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_69ca83e121dc81909912bd66953081c5 completed March 30, 2026, 2:08 p.m.
NER Named-entity recognition batch_69cca91a1fd08190a5bb3d9280439b09 completed April 1, 2026, 5:11 a.m.
NED1 Entity disambiguation (via context triple) batch_69d04833858081909b616325f0e6f787 completed April 3, 2026, 11:07 p.m.
NEDg Description generation batch_69d0496672a881909c1ac91a7ec1a2a1 completed April 3, 2026, 11:12 p.m.
NED2 Entity disambiguation (via description) batch_69d04a35451881909dfe6795b743b026 completed April 3, 2026, 11:16 p.m.
Created at: March 30, 2026, 7:20 p.m.