The phrase "a category system for" is correct and usable in written English.
You can use it when describing a framework or structure that organizes items or concepts into specific categories for a particular purpose.
Example: "The research paper proposes a category system for classifying different species of plants based on their ecological roles."
Alternatives: "a classification system for" or "a categorization framework for".
We did this by charting and mapping discrete words, sentences and series of sentences until the meaning units were finalised, and then grouped together in a category system that accounted for all meaning units.
The IARC Working Group suggests a five category system for reporting sequence variations: pathogenic, likely pathogenic, uncertain, likely neutral, and neutral [ 18].
Little Sisters of the Poor is also critical of how the category system for the accommodation works.
Moreover, as the consumer portable appliances tend to be used both indoor and outdoor, the second category systems for face recognition may be ineffective.
Adopting the first category systems for face recognition on consumer operated portable appliances that are equipped with a camera would unnecessarily use an appliance's computing resources and drain its power.
Altogether, the category systems for the three scenarios comprised 97 categories (22 for the first, 34 for the second and 41 for the third scenario), each of which corresponded to an item (in our case we denote these as level-one-items) and was assigned to one of the four facets of knowledge application (see Fig. 1).
The IA Us final Resolution 5A preserved this three-category system for the celestial bodies orbiting the Sun.
A second category system is specialized for security-type applications and can work under controlled lighting conditions.
Given the obligation in Australia to consider this guideline, the framework set out by the APGI for returning results employs a context-dependent approach, and enacts a category-based system for the characterization of research findings as previously proposed [ 27].
Raw EEGs were scored using a five category classification system for septic encephalopathies [ 33].
