Triple
T5813240
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Western Pacific Railroad |
E128920
|
entity |
| Predicate | corporatePredecessor |
P37738
|
FINISHED |
| Object | Western Pacific Railway Company |
E128920
|
NE FINISHED |
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: Western Pacific Railway Company | Statement: [Western Pacific Railroad, corporatePredecessor, Western Pacific Railway Company]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Western Pacific Railway Company Context triple: [Western Pacific Railroad, corporatePredecessor, Western Pacific Railway Company]
-
A.
Western Pacific Railroad
chosen
Western Pacific Railroad was a major American railroad company that operated primarily in the western United States, known for its scenic transcontinental routes and competitive service against larger carriers like the Southern Pacific.
-
B.
Northern Pacific Railway
The Northern Pacific Railway was a major transcontinental railroad in the northern United States that played a key role in opening and developing the Pacific Northwest in the late 19th and early 20th centuries.
-
C.
Georgia Pacific Railway
Georgia Pacific Railway was a 19th-century American railroad company in the southeastern United States that later became part of the Southern Railway system.
-
D.
Northwestern Pacific Railroad
The Northwestern Pacific Railroad was a historic rail line in Northern California that connected the San Francisco Bay Area to communities throughout Marin, Sonoma, and Humboldt counties, supporting regional passenger and freight transport.
-
E.
Southern Pacific Railroad
Southern Pacific Railroad was a major American railroad company that operated extensive rail networks across the western and southwestern United States from the 19th to the late 20th century.
- 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: corporatePredecessor Context triple: [Western Pacific Railroad, corporatePredecessor, Western Pacific Railway Company]
-
A.
isCorporatePrecursorOf
chosen
Indicates that one corporate entity is a predecessor in the organizational or legal lineage of another corporate entity, such as through merger, acquisition, or reorganization.
-
B.
formerParentCompany
Indicates that one entity previously served as the parent company of another but no longer holds that status.
-
C.
organizationalPrecursorOf
Indicates that one organization functioned as a predecessor or antecedent to another organization in terms of structure, role, or continuity.
-
D.
predecessorCEO
Indicates that one person previously held the position of CEO before another specific person.
-
E.
formerOrganization
Indicates that an entity was previously affiliated with or employed by a given organization, but is no longer associated with it.
- F. None of above.
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_69c0084788848190bcf71f6bc5d71597 |
completed | March 22, 2026, 3:18 p.m. |
| NER | Named-entity recognition | batch_69c02b56044c8190847478a342d441c2 |
completed | March 22, 2026, 5:48 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c09848dd148190aeea1b1d454b8da5 |
completed | March 23, 2026, 1:32 a.m. |
| PD | Predicate disambiguation | batch_69c021d5ecd081908a62dd66e26f8598 |
completed | March 22, 2026, 5:07 p.m. |
Created at: March 22, 2026, 3:52 p.m.