Convert the following relational schema into an Entity relationship diagram. Person (numpers, age, gender, numCat) Category (numCat, Title) Opinion (numO, answer, numPers, num) Question (numQ, Description)

Explain entity sets.

ERD (Entity-Relationship Diagram) Explanation: The ERD is a high-level representation of the data relationships in the ConfPlus Conference Management System. It shows the main entities, their attributes, and the relationships between them. Entities: User: Represents a user in the system, including authors, reviewers, and organizers. Attributes include UserID, Name, Email, Password, Affiliation, and Role. Paper: Represents an academic paper submitted to the conference. Attributes include PaperID, Title, Abstract, PDF, and SubmissionDate. Authorship: Represents the relationship between a User (author) and a Paper. Attributes include AuthorshipID, UserID, PaperID, and IsPresenter (to indicate if the author is the presenter of the paper). Review: Represents a review assigned to a paper by a User (reviewer). Attributes include ReviewID, UserID, PaperID, OverallEvaluation, Contribution, Strengths, Weaknesses, and ReviewDate. Conference: Represents the conference itself. Attributes include…

Explain the usage of attributes and the generic name for attribute in the relationship model.