Howell Mountain AVA
E13661
Howell Mountain AVA is a renowned high-elevation wine-growing region in Napa County, California, celebrated for its intensely flavored Cabernet Sauvignon and other Bordeaux varietals.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Howell Mountain AVA canonical | 5 |
| Howell Mountain American Viticultural Area | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12431 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Howell Mountain AVA Context triple: [Napa Valley, hasSubregion, Howell Mountain AVA]
-
A.
North Coast AVA
North Coast AVA is a major California American Viticultural Area encompassing several renowned wine regions, including Napa Valley and Sonoma, known for producing high-quality wines.
-
B.
Rutherford AVA
Rutherford AVA is a renowned American Viticultural Area in California’s Napa Valley, celebrated for its high-quality Cabernet Sauvignon and distinctive “Rutherford dust” terroir.
-
C.
Oakville AVA
Oakville AVA is a renowned American Viticultural Area in California’s Napa Valley, celebrated for producing high-quality Cabernet Sauvignon and other Bordeaux-style wines.
-
D.
Stags Leap District AVA
Stags Leap District AVA is a renowned Napa Valley wine appellation celebrated for its high-quality Cabernet Sauvignon and other Bordeaux-style red wines.
-
E.
Napa Valley
Napa Valley is a renowned wine-producing region in Northern California, famous for its vineyards, wineries, and picturesque landscapes.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Howell Mountain AVA Target entity description: Howell Mountain AVA is a renowned high-elevation wine-growing region in Napa County, California, celebrated for its intensely flavored Cabernet Sauvignon and other Bordeaux varietals.
-
A.
North Coast AVA
North Coast AVA is a major California American Viticultural Area encompassing several renowned wine regions, including Napa Valley and Sonoma, known for producing high-quality wines.
-
B.
Rutherford AVA
Rutherford AVA is a renowned American Viticultural Area in California’s Napa Valley, celebrated for its high-quality Cabernet Sauvignon and distinctive “Rutherford dust” terroir.
-
C.
Oakville AVA
Oakville AVA is a renowned American Viticultural Area in California’s Napa Valley, celebrated for producing high-quality Cabernet Sauvignon and other Bordeaux-style wines.
-
D.
Stags Leap District AVA
Stags Leap District AVA is a renowned Napa Valley wine appellation celebrated for its high-quality Cabernet Sauvignon and other Bordeaux-style red wines.
-
E.
Napa Valley
Napa Valley is a renowned wine-producing region in Northern California, famous for its vineyards, wineries, and picturesque landscapes.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
American Viticultural Area
ⓘ
wine region ⓘ |
| climate |
cooler than Napa Valley floor
ⓘ
mountain ⓘ |
| climateFeature | above the fog line ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| county | Napa County ⓘ |
| dateEstablished | 1983 ⓘ |
| designation | American Viticultural Area ⓘ |
| drainage | good drainage ⓘ |
| elevationMaximum | over 2200 feet ⓘ |
| elevationMinimum | approximately 1400 feet ⓘ |
| famousProducerRegionFor | single-vineyard Cabernet Sauvignon wines ⓘ |
| grapeVariety |
Cabernet Franc
ⓘ
Cabernet Sauvignon ⓘ Chardonnay ⓘ Malbec ⓘ Merlot ⓘ Petit Verdot ⓘ Sauvignon Blanc ⓘ Syrah ⓘ Zinfandel ⓘ |
| isOneOf | first sub-appellations of Napa Valley AVA ⓘ |
| knownFor |
Bordeaux varietals
ⓘ
Cabernet Sauvignon ⓘ Petite Sirah ⓘ Zinfandel ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Napa County ⓘ
surface form:
Napa County, California
Napa Valley ⓘ North Coast AVA ⓘ |
| partOf |
Napa Valley
ⓘ
surface form:
Napa Valley AVA
|
| recognizedBy | Alcohol and Tobacco Tax and Trade Bureau ⓘ |
| regionType | high-elevation wine-growing region ⓘ |
| regulatoryBody | Alcohol and Tobacco Tax and Trade Bureau ⓘ |
| reputation | prestigious Napa Valley mountain appellation ⓘ |
| soilCharacteristic | well-drained ⓘ |
| soilType |
rocky
ⓘ
volcanic ⓘ |
| state |
California, United States
ⓘ
surface form:
California
|
| subRegionOf | Vaca Mountains ⓘ |
| sunExposure | high sun exposure ⓘ |
| topography | mountainous ⓘ |
| wineCharacteristic |
age-worthy
ⓘ
concentrated fruit ⓘ high tannin ⓘ |
| wineStyle |
intensely flavored red wines
ⓘ
structured Cabernet Sauvignon ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Howell Mountain AVA Description of subject: Howell Mountain AVA is a renowned high-elevation wine-growing region in Napa County, California, celebrated for its intensely flavored Cabernet Sauvignon and other Bordeaux varietals.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Howell Mountain AVA
this entity surface form:
Howell Mountain American Viticultural Area