Triple
T7248778
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MoPac |
E156541
|
entity |
| Predicate | predecessor |
P97
|
FINISHED |
| Object | St. Louis, Iron Mountain and Southern Railway |
E29196
|
NE FINISHED |
How this triple was built (2 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: St. Louis, Iron Mountain and Southern Railway | Statement: [MoPac, predecessor, St. Louis, Iron Mountain and Southern Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: St. Louis, Iron Mountain and Southern Railway Context triple: [MoPac, predecessor, St. Louis, Iron Mountain and Southern Railway]
-
A.
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.
-
B.
St. Louis, Memphis and Southeastern Railroad
The St. Louis, Memphis and Southeastern Railroad was a regional U.S. railroad line that operated in the early 20th century, later becoming part of the St. Louis–San Francisco Railway (Frisco) system.
-
C.
Missouri Pacific Railroad
chosen
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.
-
D.
Minneapolis and St. Louis Railway
The Minneapolis and St. Louis Railway was a regional railroad in the Midwestern United States that primarily served agricultural areas by connecting smaller communities to major rail hubs.
-
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.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69c68827b5e481908dc05e145b2c92d4 |
completed | March 27, 2026, 1:37 p.m. |
| NER | Named-entity recognition | batch_69c6ea763f208190af1210cd8d2a05c9 |
completed | March 27, 2026, 8:37 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c7d39dab6081909842bfa37ff3f972 |
completed | March 28, 2026, 1:11 p.m. |
Created at: March 27, 2026, 2:56 p.m.