Triple
T23088827
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Dixon, California |
E575685
|
entity |
| Predicate | hasRailServiceHistory |
P28401
|
FINISHED |
| Object |
California Pacific Railroad
The California Pacific Railroad was a 19th-century rail line in Northern California that played a key role in connecting the San Francisco Bay Area with the Sacramento Valley and facilitating regional development.
|
E1570157
|
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: California Pacific Railroad | Statement: [Dixon, California, hasRailServiceHistory, California Pacific Railroad]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: California Pacific Railroad Context triple: [Dixon, California, hasRailServiceHistory, California Pacific Railroad]
-
A.
California Western Railroad
California Western Railroad is a historic short-line railway in Northern California, best known for its scenic "Skunk Train" excursions through the redwood forests between Willits and Fort Bragg.
-
B.
Oregon and California Railroad
The Oregon and California Railroad was a 19th-century rail line in the Pacific Northwest that played a key role in connecting Oregon communities and facilitating regional development.
-
C.
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.
-
D.
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.
-
E.
Sacramento Northern Railway
The Sacramento Northern Railway was an interurban electric railway in Northern California that connected the San Francisco Bay Area with the Sacramento Valley and was later controlled by the Western Pacific Railroad.
- 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: California Pacific Railroad Triple: [Dixon, California, hasRailServiceHistory, California Pacific Railroad]
Generated description
The California Pacific Railroad was a 19th-century rail line in Northern California that played a key role in connecting the San Francisco Bay Area with the Sacramento Valley and facilitating regional development.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: California Pacific Railroad Target entity description: The California Pacific Railroad was a 19th-century rail line in Northern California that played a key role in connecting the San Francisco Bay Area with the Sacramento Valley and facilitating regional development.
-
A.
California Western Railroad
California Western Railroad is a historic short-line railway in Northern California, best known for its scenic "Skunk Train" excursions through the redwood forests between Willits and Fort Bragg.
-
B.
Oregon and California Railroad
The Oregon and California Railroad was a 19th-century rail line in the Pacific Northwest that played a key role in connecting Oregon communities and facilitating regional development.
-
C.
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.
-
D.
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.
-
E.
Sacramento Northern Railway
The Sacramento Northern Railway was an interurban electric railway in Northern California that connected the San Francisco Bay Area with the Sacramento Valley and was later controlled by the Western Pacific Railroad.
- 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_69e245bf3e3c819086d3448720efc01b |
completed | April 17, 2026, 2:37 p.m. |
| NER | Named-entity recognition | batch_69f18da8818481908d768a0462f3f837 |
completed | April 29, 2026, 4:48 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0c15b77f7c8190b374a581b776d155 |
completed | May 19, 2026, 7:48 a.m. |
| NEDg | Description generation | batch_6a0c17791f8481909f0f42f9122e0c3a |
completed | May 19, 2026, 7:55 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0c1863ea2c81909345cb5701fcd8ed |
completed | May 19, 2026, 7:59 a.m. |
Created at: April 17, 2026, 3:57 p.m.