Triple
T19975393
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Nebraska Zephyr |
E493676
|
entity |
| Predicate | railwayLineUsed |
P848
|
FINISHED |
| Object | CB&Q main line between Chicago and Nebraska |
—
|
NE NERFINISHED |
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: CB&Q main line between Chicago and Nebraska | Statement: [Nebraska Zephyr, railwayLineUsed, CB&Q main line between Chicago and Nebraska]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: CB&Q main line between Chicago and Nebraska Context triple: [Nebraska Zephyr, railwayLineUsed, CB&Q main line between Chicago and Nebraska]
-
A.
Chicago–Omaha main line
chosen
The Chicago–Omaha main line was a principal transcontinental rail corridor in the Midwestern United States, linking Chicago with Omaha and serving as a key route for both passenger and freight traffic.
-
B.
Illinois Central Railroad main line
The Illinois Central Railroad main line was a major north–south rail corridor in the central United States, historically linking Chicago with the Gulf of Mexico and serving as a key route for both passenger and freight traffic.
-
C.
Chicago and North Western Railway corridor
The Chicago and North Western Railway corridor is a former Midwestern railroad route whose abandoned right-of-way has been repurposed in places, such as in Iowa, for recreational trails and other community uses.
-
D.
Chicago–Sioux City line
The Chicago–Sioux City line is a historic Midwestern rail route that connected Chicago, Illinois, with Sioux City, Iowa, serving as a key corridor for passenger and freight traffic in the region.
-
E.
Chicago–St. Louis rail corridor
The Chicago–St. Louis rail corridor is a major Midwestern passenger and freight rail route linking Chicago, Illinois, with St. Louis, Missouri, and serving as a key component of the region’s transportation network.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69da626a67648190af9653832a3aeced |
completed | April 11, 2026, 3:02 p.m. |
| NER | Named-entity recognition | batch_69e65bcca5088190b523584d11799400 |
completed | April 20, 2026, 5:01 p.m. |
Created at: April 11, 2026, 3:24 p.m.