Triple
T6018050
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | St. Louis–San Francisco Railway |
E133994
|
entity |
| Predicate | predecessor |
P97
|
FINISHED |
| Object |
Kansas City, Fort Scott and Memphis Railroad
The Kansas City, Fort Scott and Memphis Railroad was a regional American railroad that operated in the late 19th and early 20th centuries, primarily serving routes through Kansas, Missouri, and surrounding states before being absorbed into larger rail systems.
|
E28754
|
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: Kansas City, Fort Scott and Memphis Railroad | Statement: [St. Louis–San Francisco Railway, predecessor, Kansas City, Fort Scott and Memphis Railroad]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Kansas City, Fort Scott and Memphis Railroad Context triple: [St. Louis–San Francisco Railway, predecessor, Kansas City, Fort Scott and Memphis Railroad]
-
A.
Missouri–Kansas–Texas Railroad
The Missouri–Kansas–Texas Railroad, commonly known as the MKT or "the Katy," was a major American railroad that served the south-central United States, particularly linking Missouri, Kansas, Oklahoma, and Texas.
-
B.
Missouri Pacific Railroad
Missouri Pacific Railroad was a major American Class I railroad that operated across the Midwestern and Southwestern United States, playing a key role in regional freight and passenger transportation before its merger into the Union Pacific system.
-
C.
New York, Chicago and St. Louis Railroad
The New York, Chicago and St. Louis Railroad, commonly known as the Nickel Plate Road, was a prominent Midwestern and Great Lakes region railroad in the United States that operated major freight and passenger services between key industrial cities.
-
D.
St. Louis–San Francisco Railway
The St. Louis–San Francisco Railway, commonly known as the Frisco, was a major American railroad that operated in the central and south-central United States from the late 19th to the mid-20th century.
-
E.
Nashville, Chattanooga and St. Louis Railway
The Nashville, Chattanooga and St. Louis Railway was a prominent Southern U.S. railroad that connected key cities across Tennessee and neighboring states, playing a major role in regional transportation and commerce in the late 19th and early 20th centuries.
- 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: Kansas City, Fort Scott and Memphis Railroad Triple: [St. Louis–San Francisco Railway, predecessor, Kansas City, Fort Scott and Memphis Railroad]
Generated description
The Kansas City, Fort Scott and Memphis Railroad was a regional American railroad that operated in the late 19th and early 20th centuries, primarily serving routes through Kansas, Missouri, and surrounding states before being absorbed into larger rail systems.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Kansas City, Fort Scott and Memphis Railroad Target entity description: The Kansas City, Fort Scott and Memphis Railroad was a regional American railroad that operated in the late 19th and early 20th centuries, primarily serving routes through Kansas, Missouri, and surrounding states before being absorbed into larger rail systems.
-
A.
Missouri–Kansas–Texas Railroad
chosen
The Missouri–Kansas–Texas Railroad, commonly known as the MKT or "the Katy," was a major American railroad that served the south-central United States, particularly linking Missouri, Kansas, Oklahoma, and Texas.
-
B.
Missouri Pacific Railroad
Missouri Pacific Railroad was a major American Class I railroad that operated across the Midwestern and Southwestern United States, playing a key role in regional freight and passenger transportation before its merger into the Union Pacific system.
-
C.
New York, Chicago and St. Louis Railroad
The New York, Chicago and St. Louis Railroad, commonly known as the Nickel Plate Road, was a prominent Midwestern and Great Lakes region railroad in the United States that operated major freight and passenger services between key industrial cities.
-
D.
St. Louis–San Francisco Railway
The St. Louis–San Francisco Railway, commonly known as the Frisco, was a major American railroad that operated in the central and south-central United States from the late 19th to the mid-20th century.
-
E.
Nashville, Chattanooga and St. Louis Railway
The Nashville, Chattanooga and St. Louis Railway was a prominent Southern U.S. railroad that connected key cities across Tennessee and neighboring states, playing a major role in regional transportation and commerce in the late 19th and early 20th centuries.
- F. None of above.
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_69c008742a5c8190b9cb9c2787a3d8b3 |
completed | March 22, 2026, 3:19 p.m. |
| NER | Named-entity recognition | batch_69c04f8458588190a78aa32cbdbecfb1 |
completed | March 22, 2026, 8:22 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c1136a4720819092bf2c6a9101c71b |
completed | March 23, 2026, 10:18 a.m. |
| NEDg | Description generation | batch_69c113efd9d88190a1ee7bbed4863a11 |
completed | March 23, 2026, 10:20 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c1146097a88190bdd0345da094607e |
completed | March 23, 2026, 10:22 a.m. |
Created at: March 22, 2026, 4:07 p.m.