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.