Triple
T11105205
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Southern Pacific Railroad |
E262609
|
entity |
| Predicate | operated |
P1688
|
FINISHED |
| Object |
Cotton Belt Route (through St. Louis Southwestern Railway)
Cotton Belt Route (through St. Louis Southwestern Railway) was a regional American railroad system centered in the South and Midwest that became a key feeder and subsidiary line within the Southern Pacific Railroad network.
|
E905525
|
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: Cotton Belt Route (through St. Louis Southwestern Railway) | Statement: [Southern Pacific Railroad, operated, Cotton Belt Route (through St. Louis Southwestern Railway)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cotton Belt Route (through St. Louis Southwestern Railway) Context triple: [Southern Pacific Railroad, operated, Cotton Belt Route (through St. Louis Southwestern Railway)]
-
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.
New York–St. Louis route
The New York–St. Louis route was a major intercity passenger and freight rail corridor in the United States that connected the East Coast with the Midwest.
-
C.
Colorado Central Railroad
The Colorado Central Railroad was a 19th-century narrow-gauge railroad in Colorado that played a key role in serving the region’s mining communities and connecting mountain towns to larger rail networks.
-
D.
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.
-
E.
St. Louis, Brownsville and Mexico Railway
The St. Louis, Brownsville and Mexico Railway was an early 20th-century railroad that helped open and develop South Texas and the Rio Grande Valley by connecting the region to national rail networks.
- 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: Cotton Belt Route (through St. Louis Southwestern Railway) Triple: [Southern Pacific Railroad, operated, Cotton Belt Route (through St. Louis Southwestern Railway)]
Generated description
Cotton Belt Route (through St. Louis Southwestern Railway) was a regional American railroad system centered in the South and Midwest that became a key feeder and subsidiary line within the Southern Pacific Railroad network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Cotton Belt Route (through St. Louis Southwestern Railway) Target entity description: Cotton Belt Route (through St. Louis Southwestern Railway) was a regional American railroad system centered in the South and Midwest that became a key feeder and subsidiary line within the Southern Pacific Railroad network.
-
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.
New York–St. Louis route
The New York–St. Louis route was a major intercity passenger and freight rail corridor in the United States that connected the East Coast with the Midwest.
-
C.
Colorado Central Railroad
The Colorado Central Railroad was a 19th-century narrow-gauge railroad in Colorado that played a key role in serving the region’s mining communities and connecting mountain towns to larger rail networks.
-
D.
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.
-
E.
St. Louis, Brownsville and Mexico Railway
The St. Louis, Brownsville and Mexico Railway was an early 20th-century railroad that helped open and develop South Texas and the Rio Grande Valley by connecting the region to national rail networks.
- 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_69d6aa9a40d88190a373e2c7e48285db |
completed | April 8, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69d79a2e319881909e66d3c0c73b56bc |
completed | April 9, 2026, 12:23 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e42d7016908190bb7aadadacb5b50f |
completed | April 19, 2026, 1:18 a.m. |
| NEDg | Description generation | batch_69e42f3dd02c8190b40bc692c24b2ff4 |
completed | April 19, 2026, 1:26 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69e4375eaf448190a17f8df1e83145e0 |
completed | April 19, 2026, 2:01 a.m. |
Created at: April 8, 2026, 9:27 p.m.