Triple
T17069326
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Union Pacific Heritage Fleet |
E414171
|
entity |
| Predicate | basedAt |
P40
|
FINISHED |
| Object |
Union Pacific Steam Shop, Cheyenne, Wyoming
The Union Pacific Steam Shop in Cheyenne, Wyoming is a historic railroad facility that serves as the primary restoration, maintenance, and storage site for Union Pacific’s famed steam locomotives and heritage equipment.
|
E1247373
|
NE FINISHED |
How this triple was built (4 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 Steam Shop, Cheyenne, Wyoming | Statement: [Union Pacific Heritage Fleet, basedAt, Union Pacific Steam Shop, Cheyenne, Wyoming]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Union Pacific Steam Shop, Cheyenne, Wyoming Context triple: [Union Pacific Heritage Fleet, basedAt, Union Pacific Steam Shop, Cheyenne, Wyoming]
-
A.
Union Pacific Yard
Union Pacific Yard is a rail yard facility operated by the Union Pacific Railroad for organizing, storing, and dispatching freight trains and rolling stock.
-
B.
Union Pacific Railroad Museum
The Union Pacific Railroad Museum is a history museum in Council Bluffs, Iowa, dedicated to preserving and showcasing the heritage of the Union Pacific Railroad and American railroading.
-
C.
Wyoming station
Wyoming station is a local rapid transit stop on SEPTA's Broad Street Line in Philadelphia, Pennsylvania.
-
D.
Laramie station
Laramie station is a former Chicago Transit Authority 'L' rapid transit stop on the Green Line located in Chicago, Illinois.
-
E.
Union Pacific Depot
Union Pacific Depot, also known as the Great Overland Station, is a historic former railroad passenger station in Topeka, Kansas, noted for its grand architecture and role in American rail history.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Union Pacific Steam Shop, Cheyenne, Wyoming Triple: [Union Pacific Heritage Fleet, basedAt, Union Pacific Steam Shop, Cheyenne, Wyoming]
Generated description
The Union Pacific Steam Shop in Cheyenne, Wyoming is a historic railroad facility that serves as the primary restoration, maintenance, and storage site for Union Pacific’s famed steam locomotives and heritage equipment.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Union Pacific Steam Shop, Cheyenne, Wyoming Target entity description: The Union Pacific Steam Shop in Cheyenne, Wyoming is a historic railroad facility that serves as the primary restoration, maintenance, and storage site for Union Pacific’s famed steam locomotives and heritage equipment.
-
A.
Union Pacific Yard
Union Pacific Yard is a rail yard facility operated by the Union Pacific Railroad for organizing, storing, and dispatching freight trains and rolling stock.
-
B.
Union Pacific Railroad Museum
The Union Pacific Railroad Museum is a history museum in Council Bluffs, Iowa, dedicated to preserving and showcasing the heritage of the Union Pacific Railroad and American railroading.
-
C.
Wyoming station
Wyoming station is a local rapid transit stop on SEPTA's Broad Street Line in Philadelphia, Pennsylvania.
-
D.
Laramie station
Laramie station is a former Chicago Transit Authority 'L' rapid transit stop on the Green Line located in Chicago, Illinois.
-
E.
Union Pacific Depot
Union Pacific Depot, also known as the Great Overland Station, is a historic former railroad passenger station in Topeka, Kansas, noted for its grand architecture and role in American rail history.
- F. None of above. chosen
Provenance (5 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. |
| NEDg | Description generation | batch_6a012425fb808190ad9bcada9429e437 |
completed | May 11, 2026, 12:34 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a01248b53d88190a4ec4fa6cee89bb1 |
completed | May 11, 2026, 12:36 a.m. |
Created at: April 10, 2026, 5:34 a.m.