Triple
T19942358
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | John D. Spreckels |
E479336
|
entity |
| Predicate | founded |
P104
|
FINISHED |
| Object | San Diego & Arizona Railway |
E1403178
|
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: San Diego & Arizona Railway | Statement: [John D. Spreckels, founded, San Diego & Arizona Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: San Diego & Arizona Railway Context triple: [John D. Spreckels, founded, San Diego & Arizona Railway]
-
A.
San Diego & Arizona Railway
chosen
The San Diego & Arizona Railway was an early 20th-century short line railroad that connected San Diego, California to the U.S.–Mexico border region, playing a key role in regional transportation and commerce.
-
B.
Arizona and California Railroad
The Arizona and California Railroad is a short line freight railroad operating in the southwestern United States, primarily connecting communities in western Arizona and southeastern California.
-
C.
Colorado & Southern Railway
The Colorado & Southern Railway was a historic regional railroad in the central United States that served Colorado and neighboring states, playing a key role in the development of mining and mountain communities in the late 19th and early 20th centuries.
-
D.
Los Angeles Railway
Los Angeles Railway was a historic streetcar transit system that operated an extensive network of urban rail lines in Los Angeles during the first half of the 20th century.
-
E.
San Pedro, Los Angeles and Salt Lake Railroad
The San Pedro, Los Angeles and Salt Lake Railroad was an early 20th-century rail line that connected Los Angeles, California, with Salt Lake City, Utah, playing a key role in the development of the American Southwest.
- 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_69d8e522a17c819095165d4d24939fd8 |
completed | April 10, 2026, 11:55 a.m. |
| NER | Named-entity recognition | batch_69e65a63f2e48190ba1cb7a4f415e7f6 |
completed | April 20, 2026, 4:55 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a07fdc6b0348190b26485ab163bebd0 |
completed | May 16, 2026, 5:16 a.m. |
Created at: April 10, 2026, 1:54 p.m.