Triple
T19877858
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Central Oregon and Pacific Railroad |
E477686
|
entity |
| Predicate | usesTrackPreviouslyOwnedBy |
P2567
|
FINISHED |
| Object | Southern Pacific Transportation Company |
—
|
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: Southern Pacific Transportation Company | Statement: [Central Oregon and Pacific Railroad, usesTrackPreviouslyOwnedBy, Southern Pacific Transportation Company]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Southern Pacific Transportation Company Context triple: [Central Oregon and Pacific Railroad, usesTrackPreviouslyOwnedBy, Southern Pacific Transportation Company]
-
A.
Southern Pacific Railroad
chosen
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.
-
B.
Santa Fe Pacific Corporation
Santa Fe Pacific Corporation was a diversified American holding company best known for owning and operating the Atchison, Topeka and Santa Fe Railway and related natural resource businesses in the late 20th century.
-
C.
Union Pacific Railroad
Union Pacific Railroad is one of the largest freight rail networks in the United States, operating an extensive system that spans the western two-thirds of the country.
-
D.
BNSF Railway
BNSF Railway is one of the largest freight railroad networks in North America, operating an extensive system that spans the United States and parts of Canada and Mexico.
-
E.
Missouri Pacific Railroad
Missouri Pacific Railroad was a major American Class I railroad that operated across the Midwestern and Southwestern United States, playing a key role in regional freight and passenger transportation before its merger into the Union Pacific system.
- 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: usesTrackPreviouslyOwnedBy Context triple: [Central Oregon and Pacific Railroad, usesTrackPreviouslyOwnedBy, Southern Pacific Transportation Company]
-
A.
usesTrackOwnedBy
chosen
Indicates that an entity makes use of a track (e.g., route, path, or rail line) that is owned by another specified entity.
-
B.
previouslyPossessedBy
Indicates that an entity was owned or possessed by another entity at some time in the past, but is not necessarily possessed by that entity now.
-
C.
hasOwnerWhoLaterOwned
Indicates that an entity is owned by someone who, at a later time, also became the owner of another specified entity.
-
D.
ownershipRecordedAs
Indicates that the ownership of an entity is documented or registered under a specific form, record, or representation.
-
E.
ownerOfSomeTrack
Indicates that an entity has ownership of at least one track (such as a song, audio track, or similar item).
- F. None of above.
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_69d8e51f32b08190b3687f4f60353250 |
completed | April 10, 2026, 11:55 a.m. |
| NER | Named-entity recognition | batch_69e658dc8ce08190b005ad49924e5659 |
completed | April 20, 2026, 4:48 p.m. |
| PD | Predicate disambiguation | batch_69e537e8c4e481909fe95d795b4864e7 |
completed | April 19, 2026, 8:15 p.m. |
Created at: April 10, 2026, 1:52 p.m.