Triple
T17069328
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Union Pacific Heritage Fleet |
E414171
|
entity |
| Predicate | basedAt |
P40
|
FINISHED |
| Object | Union Pacific yard facilities in Omaha, Nebraska |
E128186
|
NE FINISHED |
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: Union Pacific yard facilities in Omaha, Nebraska | Statement: [Union Pacific Heritage Fleet, basedAt, Union Pacific yard facilities in Omaha, Nebraska]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Union Pacific yard facilities in Omaha, Nebraska Context triple: [Union Pacific Heritage Fleet, basedAt, Union Pacific yard facilities in Omaha, Nebraska]
-
A.
BNSF Railway facilities
BNSF Railway facilities in Pittsburg, California are rail infrastructure and operational sites used by the BNSF Railway Company for freight transportation and logistics in the region.
-
B.
Union Pacific Yard
chosen
Union Pacific Yard is a rail yard facility operated by the Union Pacific Railroad for organizing, storing, and dispatching freight trains and rolling stock.
-
C.
Union Pacific Dallas Intermodal Terminal vicinity
The Union Pacific Dallas Intermodal Terminal vicinity is an area near Hutchins, Texas, characterized by major rail and truck freight operations that serve as a key logistics and distribution hub for the Dallas–Fort Worth region.
-
D.
Union Pacific City of Portland
Union Pacific City of Portland was a streamlined passenger train operated by the Union Pacific Railroad that provided luxury long-distance service between Chicago and Portland in the mid-20th century.
-
E.
BNSF Galesburg Yard
BNSF Galesburg Yard is a major BNSF Railway classification and freight yard located in Galesburg, Illinois, serving as a key hub for rail operations in the Midwest.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d886cef44c8190ba56c44b4e863e64 |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3dbbfb1f08190807301ff6e573cf5 |
completed | April 18, 2026, 7:30 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a01235278d48190bacc7881b9eb1ea1 |
completed | May 11, 2026, 12:31 a.m. |
Created at: April 10, 2026, 5:34 a.m.