TAILIEUCHUNG - Enhanced Entity-Relationship and UML Modeling_1

Collection of similar entities or concepts into a higher level concept. EMPLOYEE class collects all employees into one class A class has properties called “class properties”. EMPLOYEE class has class properties - ., average salary, total number of employees. Each member has values for own properties (. name, address, salary): called member properties. | Enhanced Entity-Relationship and UML Modeling THE BASICS Fundamental Principle of Modeling: Data Abstraction Basic Process of Modeling Define building blocks for holding groups of data Use rules of a data model to establish relationships among blocks Add constraints - structural/ semantic Part 1: Fundamentals of Data Modeling 1 Inputs to Data Modeling 2 The Process of Modeling 3 Data Modeling Abstractions 4 Classification 5 Aggregation 6 Identification 7 Generalization 8 Coverage Constraints in Generalization 9 Cardinality and Participation Constraints Inputs to Data Modeling Using the products of requirements analysis Verbal and written communication among users and designers Knowledge of meaning of data Existing Programs Existing Files Existing Documents Existing Reports Application Planning / Documentation and Design Overall Process of Modeling Abstraction Use of some modeling discipline (Data Model) Use of a representation technique Language Diagramming Tools Analysis of .

• Cơ sở dữ liệu
• Classification Abstraction
• Aggregation Abstraction
• Generalization Abstraction
• Cardinality Constraints
• Participation Constraints
• RAISINS
• CLASSIFICATION CURRANTS
• LEXICAL CONTEXT PRIMING ABSTRACTION
• báo cáo khoa học
• mô hình ngôn ngữ
• xử lý ngôn ngữ tự nhiên
• BMC Bioinformatics
• Feature engineering
• Supervised machine learning
• Distinguishing healthy
• Taxonomic abstraction
• Rural youth
• Agricultural activities
• Patan block of Jabalpur district
• Analyzing different categories
• Constraints faced
• Rural youth regarding participation