Triple
T20179421
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pioneer Zephyr |
E492685
|
entity |
| Predicate | laterServiceRoute |
P138986
|
FINISHED |
| Object | Chicago–Omaha |
—
|
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: Chicago–Omaha | Statement: [Pioneer Zephyr, laterServiceRoute, Chicago–Omaha]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chicago–Omaha Context triple: [Pioneer Zephyr, laterServiceRoute, Chicago–Omaha]
-
A.
Chicago–Omaha
chosen
Chicago–Omaha was a key Midwestern rail corridor linking Chicago, Illinois, with Omaha, Nebraska, and serving as an important route for both passenger and freight traffic.
-
B.
Chicago–Kansas City
Chicago–Kansas City is a major Midwestern rail corridor linking Chicago, Illinois, with Kansas City, Missouri, serving as an important freight and passenger route.
-
C.
Cleveland–St. Louis
Cleveland–St. Louis was a principal intercity rail corridor in the Midwestern United States that connected Cleveland, Ohio, with St. Louis, Missouri.
-
D.
Chicago–Twin Cities
Chicago–Twin Cities was a major passenger and freight rail corridor linking Chicago, Illinois, with the Minneapolis–Saint Paul metropolitan area.
-
E.
Chicago–Denver
Chicago–Denver was a major long-distance passenger and freight rail route linking Chicago, Illinois, with Denver, Colorado, across the American Midwest and Great Plains.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: laterServiceRoute Context triple: [Pioneer Zephyr, laterServiceRoute, Chicago–Omaha]
-
A.
laterController
Indicates that one entity assumes control, authority, or responsibility after another entity, succeeding it in time.
-
B.
laterServedBy
Indicates that one entity is subsequently served or provided service by another entity at a later time.
-
C.
laterFunction
Indicates that one function or event occurs after another in time.
-
D.
laterStrategy
Indicates that one strategy or plan occurs or is implemented after another strategy in time.
-
E.
laterNetwork
Indicates that one network occurs or is established after another network in time.
- F. None of above. chosen
Provenance (4 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. |
| PD | Predicate disambiguation | batch_69e55b0c11cc8190836d1eee5945f000 |
completed | April 19, 2026, 10:45 p.m. |
| PDg | Predicate description generation | batch_69e56700b1a08190ace53cf95827d72d |
completed | April 19, 2026, 11:36 p.m. |
Created at: April 11, 2026, 11:36 p.m.