Pacific Cement and Aggregates
E803062
Pacific Cement and Aggregates was an industrial company that operated a major cement manufacturing plant in Davenport, California.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Pacific Cement and Aggregates canonical | 1 |
| Pacific Portland Cement Company | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9481563 — 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: Pacific Cement and Aggregates Context triple: [Davenport, California, cementPlantOperatedBy, Pacific Cement and Aggregates]
-
A.
UltraTech Cement
UltraTech Cement is one of India’s largest cement manufacturers and a flagship company of the Aditya Birla Group, known for its extensive presence in the infrastructure and construction sectors.
-
B.
Cantera Concrete Company
Cantera Concrete Company is a construction-related firm specializing in concrete products and services, operating as a subsidiary of Manhattan Construction Company.
-
C.
Holcim
Holcim is a global leader in innovative and sustainable building materials and construction solutions.
-
D.
Murray & Roberts
Murray & Roberts is a major South African engineering and construction group known for delivering large, complex infrastructure and building projects worldwide.
-
E.
Northesk
Northesk is the territorial designation associated with the Scottish peerage title Earl of Northesk, historically linked to the Carnegie family.
- 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: Pacific Cement and Aggregates Target entity description: Pacific Cement and Aggregates was an industrial company that operated a major cement manufacturing plant in Davenport, California.
-
A.
UltraTech Cement
UltraTech Cement is one of India’s largest cement manufacturers and a flagship company of the Aditya Birla Group, known for its extensive presence in the infrastructure and construction sectors.
-
B.
Cantera Concrete Company
Cantera Concrete Company is a construction-related firm specializing in concrete products and services, operating as a subsidiary of Manhattan Construction Company.
-
C.
Holcim
Holcim is a global leader in innovative and sustainable building materials and construction solutions.
-
D.
Murray & Roberts
Murray & Roberts is a major South African engineering and construction group known for delivering large, complex infrastructure and building projects worldwide.
-
E.
Northesk
Northesk is the territorial designation associated with the Scottish peerage title Earl of Northesk, historically linked to the Carnegie family.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
cement manufacturer
ⓘ
industrial company ⓘ |
| businessActivity |
industrial operations
ⓘ
manufacturing ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| industry |
cement
ⓘ
construction materials ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
Davenport, California ⓘ Santa Cruz County, California ⓘ United States ⓘ
linked to:
United States of America
|
| locationOfPlant | Davenport, California ⓘ |
| operatedPlant | Davenport cement plant ⓘ |
| plantProximityTo |
Davenport coastline
ⓘ
Pacific Ocean ⓘ |
| plantType | cement manufacturing plant ⓘ |
| product |
aggregates
ⓘ
cement ⓘ |
| rawMaterialType | limestone ⓘ |
| servedRegion |
California
ⓘ
linked to:
California (state)
West Coast of the United States ⓘ |
| state |
California
ⓘ
linked to:
California, United States
|
| transportMode |
rail
ⓘ
truck ⓘ |
| usedFor | construction industry ⓘ |
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: Pacific Cement and Aggregates Description of subject: Pacific Cement and Aggregates was an industrial company that operated a major cement manufacturing plant in Davenport, California.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Pacific Cement and Aggregates