The phrase "are based upon relationship" is correct and usable in written English.
It can be used when discussing concepts, theories, or ideas that rely on or are derived from relationships between entities or factors.
Example: "The findings of this study are based upon relationship dynamics between team members and their overall productivity."
Alternatives: "are grounded in relationships" or "are founded on relationships."
"Historically our business was based upon relationships, but times have changed and you can't rely on them to grow your business anymore, or even keep your current base," Mr. Woronka said.
The communications business, like many others, is based upon relationships, and our agency prides itself on having a unique "family" culture that invests in deep, long-lasting relationships with our clients and our employees.
The scores for frequency and number of service providers are based upon a positive relationship with diminishing marginal returns and the score for the minimum number of intermediate stops is based upon a negative linear relationship.
The exchange economies of the web are based upon the actions and relationships that make up our online reputations.
Theories underlying this relationship are based upon stress reduction and attention restoration [ 14]; people have nature-based coping strategies, and thus natural space helps to facilitate restoration from stress and fatigue.
Borrowing from the "No Problems" guidelines, all these relationships are based upon enhancing political cooperation in equal measure with boosting trade and investment ties.
Most available methods for prioritizing genes for follow-up from GWAS are based upon bibliometric analyses such as Gene Relationships Among Implicated Loci (GRAIL) [ 7].
IPT-BN and its successor IPT-ED are based upon a somewhat different view of the relationship between the target disorder and interpersonal functioning compared with that held by IPT for depression.
Relationships with dependent variations are based upon model-averaged estimates [75].
