Triple
T21013900
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Proposition 1A (2008) |
E517619
|
entity |
| Predicate | initialSegment |
P13843
|
FINISHED |
| Object | San Francisco–Los Angeles/Anaheim corridor |
—
|
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: San Francisco–Los Angeles/Anaheim corridor | Statement: [Proposition 1A (2008), initialSegment, San Francisco–Los Angeles/Anaheim corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: San Francisco–Los Angeles/Anaheim corridor Context triple: [Proposition 1A (2008), initialSegment, San Francisco–Los Angeles/Anaheim corridor]
-
A.
Las Vegas–Southern California corridor
The Las Vegas–Southern California corridor is a heavily traveled travel and commerce route linking the Las Vegas metropolitan area with major population centers in Southern California.
-
B.
Chicago–San Francisco corridor
The Chicago–San Francisco corridor is a major historic transcontinental rail route linking the Midwestern United States with the Pacific Coast across the Great Plains and the Rocky Mountains.
-
C.
Los Angeles–San Francisco
chosen
Los Angeles–San Francisco refers to the major intercity corridor in California connecting the state’s largest southern metropolis with its iconic northern bay city, historically served by prominent rail and highway routes.
-
D.
Richmond–Oakland–San Francisco corridor
The Richmond–Oakland–San Francisco corridor is a major urban and transportation axis in the San Francisco Bay Area linking the cities of Richmond, Oakland, and San Francisco.
-
E.
Chicago–Los Angeles freight corridor
The Chicago–Los Angeles freight corridor is a major transcontinental rail route in the United States that carries high-volume freight traffic between the Midwest and the West Coast.
- 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: initialSegment Context triple: [Proposition 1A (2008), initialSegment, San Francisco–Los Angeles/Anaheim corridor]
-
A.
openedFirstSegmentBetween
Indicates that one entity initiated or created the first segment in a sequence that connects it to another entity.
-
B.
formsInitialSegmentOf
chosen
Indicates that one entity constitutes the starting portion or beginning segment of another, larger entity or sequence.
-
C.
earlySegmentType
Indicates that a segment occurs in the early portion or initial phase of a larger sequence, process, or structure.
-
D.
initialStage
Indicates that one entity represents the first or starting phase in a sequence, process, or development of another entity.
-
E.
initialSentence
Indicates that the referenced sentence is the first or opening sentence in a text, document, or discourse.
- 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_69e0b50192308190a284fcc89dd23a49 |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e6fc41d57881908b9ab17d1844a8d0 |
completed | April 21, 2026, 4:25 a.m. |
| PD | Predicate disambiguation | batch_69e5dbf274ac81909bbf245627dc8fdc |
completed | April 20, 2026, 7:55 a.m. |
Created at: April 16, 2026, 1:54 p.m.