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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
subject hierarchy
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "subject hierarchy" is correct and usable in written English.
It can be used in contexts related to organization, categorization, or classification of subjects, such as in education, research, or information systems. Example: "In our curriculum design, we need to establish a clear subject hierarchy to ensure that students progress logically through the material."
✓ Grammatically correct
Academia
Science
News & Media
Encyclopedias
Alternative expressions(19)
hierarchy of subject
ranking of subjects
order of subject
range of subjects
sequence of presentation
order of conversation
order of enrollment
variety of subjects
spectrum of subjects
scope of topics
field of study
breadth of topics
selection of subjects
field of subjects
area of study
scope of inquiry
variety of topics
diverse subjects
range of matters
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
2 human-written examples
By following Yahoo's subject hierarchy along the following path: Regional Countries:United Kingdom:Wales, the searcher comes up with links to web sites relating to Wales.
Each document corresponds to a web page listed in the subject hierarchy of Yahoo! (http://www.yahoo.com).
Science
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
A major discussion was held on the subject of hierarchy.
Science
Even in vivo, persisters are not all the same and are subject to hierarchy and heterogeneity of persisters as expressed in the Yin Yang model.
Traditionally, these two subjects – urban hierarchy and transportation network planning – have been addressed separately in the scientific literature.
We assigned a principal psychiatric diagnosis by using the most recent diagnosis subject to a hierarchy that gave preference to an earlier diagnosis if the later one was less informative or likely to refer to a comorbidity.
Science
Considered as open machines (subject-groups) rather than self-contained structures (subjugated groups), these subject-groups shunned hierarchy and vertical structures, developing transversally, rhizomatizing through other groups.
Laity and lower clergy challenged church hierarchy, subjects challenged rulers, common people challenged governing classes.
Academia
Regardless of the type of hierarchy, subjects' brains were influenced by their place in it.
Science & Research
In interactive narratives (Réty et al. 2008) a user may read subjects in a hierarchy without any predefined order.
Cloistered in convents, subjected to stifling hierarchy, repressed, and occasionally persecuted by their male superiors, these women circumvented authority in sometimes extraordinary ways.
Academia
Expert writing Tips
Best practice
When discussing academic curricula or research frameworks, ensure the "subject hierarchy" is clearly defined to illustrate the relationship between different areas of study or investigation.
Common error
Avoid assuming that a "subject hierarchy" implies an unchangeable or overly rigid structure. Hierarchies can be flexible and adapt to new information or perspectives.
Source & Trust
81%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "subject hierarchy" functions as a noun phrase, typically serving as the subject or object of a sentence. It refers to the ordered arrangement of subjects based on criteria like importance, complexity, or generality. As Ludwig AI underlines, it's related to organization and classification.
Frequent in
Science
25%
Academia
25%
News & Media
25%
Less common in
Encyclopedias
25%
Formal & Business
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "subject hierarchy" is a grammatically correct noun phrase referring to the structured arrangement of subjects. Ludwig AI indicates that it is usable in written English, particularly in the context of organization and classification. While not extremely common, the phrase appears in academic, scientific, and news contexts, often to describe frameworks or curricula. Related phrases include "topic classification" and "hierarchical subject arrangement". When using this phrase, ensure that the hierarchy's rigidity is not overstated, and be clear about the relationships between the subjects being organized.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
hierarchical subject arrangement
Inverts the word order to emphasize the hierarchical nature, offering a slightly more formal tone.
topic classification
Replaces "subject hierarchy" with a focus on the act of categorizing topics, changing the emphasis from structure to the process.
subject taxonomy
Uses a more formal and scientific term, "taxonomy", to describe the classification of subjects.
structured subject list
Replaces "hierarchy" with "structured list", suggesting a more organized but less rigid arrangement.
ranked subject order
Emphasizes the ranking aspect of the hierarchy, highlighting the order of importance or relevance.
tiered subject classification
Uses "tiered" to describe the hierarchical levels, emphasizing the presence of distinct levels or tiers.
subject categorization system
Focuses on the system used to categorize subjects, highlighting the methodology behind the hierarchy.
organized subject structure
Replaces "hierarchy" with "structure", suggesting a more general form of organization without strict levels.
graded subject system
Implies a system where subjects are graded or ranked, adding a layer of evaluation to the arrangement.
ordered subject categories
Focuses on the categories themselves and their order, rather than the hierarchical system as a whole.
FAQs
How can I use "subject hierarchy" in a sentence?
You can use "subject hierarchy" to describe the arrangement of topics in a structured manner, such as "The curriculum follows a clear "subject hierarchy", progressing from basic concepts to advanced theories."
What is an alternative to saying "subject hierarchy"?
Alternatives include "topic classification", "hierarchical subject arrangement", or "structured subject list" depending on the context.
In what fields would I most likely encounter the term "subject hierarchy"?
You're most likely to encounter "subject hierarchy" in fields such as education, library science, information architecture, and knowledge management where structured organization of information is essential.
What does "subject hierarchy" imply about the relationships between subjects?
A "subject hierarchy" typically implies a relationship of subordination or superordination, where some subjects are considered broader or more fundamental than others. For example, mathematics might be considered a higher-level subject compared to arithmetic.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
81%
Authority and reliability
4.1/5
Expert rating
Real-world application tested