Triple
T15484068
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Crystal Springs Dam |
E376996
|
entity |
| Predicate | locatedNear |
P294
|
FINISHED |
| Object | San Mateo–Burlingame area |
E45852
|
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 Mateo–Burlingame area | Statement: [Crystal Springs Dam, locatedNear, San Mateo–Burlingame area]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: San Mateo–Burlingame area Context triple: [Crystal Springs Dam, locatedNear, San Mateo–Burlingame area]
-
A.
San Jose-Sunnyvale-Santa Clara metropolitan area
The San Jose–Sunnyvale–Santa Clara metropolitan area is a major Silicon Valley tech hub in California’s Bay Area, centered on San Jose and known for its high concentration of technology companies and innovation.
-
B.
South San Francisco
South San Francisco is a city in northern San Mateo County, California, known for its industrial roots, biotech industry presence, and location just south of San Francisco.
-
C.
Burlingame
Burlingame is a suburban city on the San Francisco Peninsula in California, known for its affluent residential neighborhoods, proximity to San Francisco International Airport, and historic commercial corridor along El Camino Real.
-
D.
Palo Alto metropolitan area
The Palo Alto metropolitan area is an urban region in the San Francisco Bay Area centered on the city of Palo Alto, known for its proximity to Stanford University and its role in the heart of Silicon Valley’s technology and innovation ecosystem.
-
E.
San Mateo
chosen
San Mateo is a city in California’s San Francisco Bay Area, known for its suburban neighborhoods, parks, and role as a commercial and residential hub on the Peninsula.
- 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_69d85cd21dcc81908646251b1c26ea00 |
completed | April 10, 2026, 2:13 a.m. |
| NER | Named-entity recognition | batch_69e03f8e6ff08190b130b3a38f4190e7 |
completed | April 16, 2026, 1:46 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff365b3980819094d3ca0b7766009c |
completed | May 9, 2026, 1:27 p.m. |
Created at: April 10, 2026, 3:45 a.m.