Triple
T21789764
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Caltrain stations |
E537938
|
entity |
| Predicate | locatedIn |
P40
|
FINISHED |
| Object | San Francisco Peninsula |
—
|
NE NERFINISHED |
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 Francisco Peninsula | Statement: [Caltrain stations, locatedIn, San Francisco Peninsula]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: San Francisco Peninsula Context triple: [Caltrain stations, locatedIn, San Francisco Peninsula]
-
A.
San Francisco Peninsula
chosen
The San Francisco Peninsula is the stretch of land in Northern California that separates the Pacific Ocean from the San Francisco Bay and hosts cities such as San Francisco, San Mateo, and Palo Alto.
-
B.
Monterey Peninsula
The Monterey Peninsula is a scenic coastal region in central California known for its rugged shoreline, marine wildlife, historic communities, and attractions like Cannery Row, Pebble Beach, and the Monterey Bay Aquarium.
-
C.
Monterey Bay Area
The Monterey Bay Area is a coastal region of central California known for its rich marine ecosystem, historic fishing and cannery industries, and scenic communities such as Monterey, Santa Cruz, and Carmel.
-
D.
Marin Peninsula
The Marin Peninsula is a hilly, coastal region in Northern California just north of San Francisco, known for its scenic landscapes, affluent communities, and proximity to the Golden Gate Bridge and national parklands.
-
E.
South Bay (San Francisco Bay Area)
South Bay is the southern region of the San Francisco Bay Area, encompassing cities like San Jose and known for being a major hub of Silicon Valley’s technology industry.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e0c47198f881908cb0d237266c10e9 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69f0621ed2b481909e3df17aee9cd8f7 |
completed | April 28, 2026, 7:30 a.m. |
Created at: April 16, 2026, 6:52 p.m.