Triple
T17804071
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Union Station (Houston) |
E444507
|
entity |
| Predicate | servedRailroad |
P782
|
FINISHED |
| Object | Fort Worth and Denver Railway |
—
|
NE NERFINISHED |
How this triple was built (3 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: Fort Worth and Denver Railway | Statement: [Union Station (Houston), servedRailroad, Fort Worth and Denver Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Fort Worth and Denver Railway Context triple: [Union Station (Houston), servedRailroad, Fort Worth and Denver Railway]
-
A.
Colorado & Southern Railway
The Colorado & Southern Railway was a historic regional railroad in the central United States that served Colorado and neighboring states, playing a key role in the development of mining and mountain communities in the late 19th and early 20th centuries.
-
B.
Texas and Pacific Railway
The Texas and Pacific Railway was a major 19th- and 20th-century American railroad that operated across Texas and into the southwestern United States, playing a key role in regional transportation and economic development.
-
C.
Atchison, Topeka and Santa Fe Railway
The Atchison, Topeka and Santa Fe Railway was a major American railroad that became one of the largest and most influential rail systems in the United States, central to the development of the Southwest.
-
D.
Denver and Rio Grande Western Railroad
The Denver and Rio Grande Western Railroad was a historic U.S. railroad known for its scenic mountain routes through Colorado and Utah and its role in transcontinental passenger and freight service.
-
E.
St. Joseph and Denver City Railroad
The St. Joseph and Denver City Railroad was a 19th-century rail line that formed part of an important east–west route across the Great Plains, helping connect Midwestern communities to broader national rail networks.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Fort Worth and Denver Railway Target entity description: The Fort Worth and Denver Railway was a historic Texas railroad that played a key role in connecting North Texas cities with the broader regional and national rail network.
-
A.
Colorado & Southern Railway
The Colorado & Southern Railway was a historic regional railroad in the central United States that served Colorado and neighboring states, playing a key role in the development of mining and mountain communities in the late 19th and early 20th centuries.
-
B.
Texas and Pacific Railway
The Texas and Pacific Railway was a major 19th- and 20th-century American railroad that operated across Texas and into the southwestern United States, playing a key role in regional transportation and economic development.
-
C.
Atchison, Topeka and Santa Fe Railway
The Atchison, Topeka and Santa Fe Railway was a major American railroad that became one of the largest and most influential rail systems in the United States, central to the development of the Southwest.
-
D.
Denver and Rio Grande Western Railroad
The Denver and Rio Grande Western Railroad was a historic U.S. railroad known for its scenic mountain routes through Colorado and Utah and its role in transcontinental passenger and freight service.
-
E.
St. Joseph and Denver City Railroad
The St. Joseph and Denver City Railroad was a 19th-century rail line that formed part of an important east–west route across the Great Plains, helping connect Midwestern communities to broader national rail networks.
- F. None of above. chosen
Provenance (2 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_69d8b9efe370819095cd219b143ae727 |
completed | April 10, 2026, 8:50 a.m. |
| NER | Named-entity recognition | batch_69e48802bcfc8190a138164d11081ab8 |
completed | April 19, 2026, 7:45 a.m. |
Created at: April 10, 2026, 10:14 a.m.