Triple
T20179328
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ak-Sar-Ben Zephyr |
E492683
|
entity |
| Predicate | operatedBy |
P86
|
FINISHED |
| Object | CB&Q |
—
|
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 | Statement: [Ak-Sar-Ben Zephyr, operatedBy, CB&Q]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: CB&Q Context triple: [Ak-Sar-Ben Zephyr, operatedBy, CB&Q]
-
A.
CB&Q
chosen
CB&Q refers to the Chicago, Burlington and Quincy Railroad, a major historic American railroad that operated primarily in the Midwestern and Western United States.
-
B.
J.G. Brill Company
J.G. Brill Company was a prominent American manufacturer of streetcars and other railway vehicles that played a major role in early urban transit development.
-
C.
Brookville Equipment Corporation
Brookville Equipment Corporation is an American manufacturer specializing in custom rail and mining locomotives, streetcars, and other specialized rail vehicles.
-
D.
Westinghouse Amrail Company
Westinghouse Amrail Company was a railcar manufacturing firm known for producing New York City’s R68 subway cars.
-
E.
Westinghouse Air Brake Company
Westinghouse Air Brake Company was an American industrial firm founded by George Westinghouse, best known for pioneering railway air brake technology that greatly improved train safety and efficiency.
- 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_69da6268a034819081cbd9ea5a1c9475 |
completed | April 11, 2026, 3:02 p.m. |
| NER | Named-entity recognition | batch_69e668edf27881909820f9103e72533e |
completed | April 20, 2026, 5:57 p.m. |
Created at: April 11, 2026, 11:36 p.m.