Triple
T13311151
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Belmont Caltrain station |
E317066
|
entity |
| Predicate | serves |
P98
|
FINISHED |
| Object | Belmont, California |
E143798
|
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: Belmont, California | Statement: [Belmont Caltrain station, serves, Belmont, California]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Belmont, California Context triple: [Belmont Caltrain station, serves, Belmont, California]
-
A.
Belmont, California
chosen
Belmont, California is a small suburban city on the San Francisco Peninsula known for its quiet residential neighborhoods, good schools, and proximity to major Bay Area tech hubs.
-
B.
Belvedere, California
Belvedere, California is an affluent, small waterfront city in Marin County known for its scenic views of the San Francisco Bay and upscale residential character.
-
C.
Beaumont, California
Beaumont, California is a rapidly growing city in Riverside County located in Southern California’s Inland Empire, known for its proximity to mountain passes and desert landscapes.
-
D.
Columbia, California
Columbia, California is a historic Gold Rush-era town in Tuolumne County preserved as a state historic park and popular tourist destination.
-
E.
Pomona, California
Pomona, California is a city in eastern Los Angeles County known for its diverse community, historic downtown, and role as a regional center for education and culture in the Pomona Valley.
- 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_69d806b40ab4819094adf6c374f4811a |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69d990f56abc8190951774a999e2ce11 |
completed | April 11, 2026, 12:08 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f71f2810a881908b1ed0cc4fb9ac12 |
completed | May 3, 2026, 10:10 a.m. |
Created at: April 9, 2026, 9:29 p.m.