What is the difference between the E-R model and the extended E-R model?
Q: What does the E-R model entail?
A: Given To know about the E-R model.
Q: hat are the advantages of using the same data model for both conceptual and logical design over…
A: Some of the advantages and importance of data modeling are- - it is used for keeping references of…
Q: Where does a normalisation vary from an Erd Diagram?
A: Normalisation - It is a process of breaking tables into multiple tables to reduce…
Q: Entity Recognition (NER): Refer to the course material on sequence tagging, which trains a POS…
A: It is defined as the process of identifying named entities in text. An entity can be any word or…
Q: 2. What is model-driven analysis? Why is it used? Give several examples.
A: Model-driven analysis is a problem-solving approach that emphasizes the drawing of pictorial system…
Q: l models and network models are classified as a. non-classical models b. legacy data models c.…
A: Given we are required to find out: The hierarchical models and network models are classified as
Q: What is the purpose of analyzing exploratory data? Why aren't we just jumping right into the…
A: EXPLORATORY DATA ANALYSIS:Exрlоrаtоry Dаtа Аnаlysis (EDА) is the first steр in yоur dаtа…
Q: What is cohesion? What is the difference between close coupling and loose coupling?
A: Answer: Cohesion is an ordinal type of extent which is usually considered as "high cohesion" or "low…
Q: Develop a simple data model for a student database that includes student contact data, student…
A: Objective: According to the given question, we need to design an Entity-relationship model for a…
Q: What are Forward Engineering and Reverse Engineering in a data model
A: Reverse engineering is the process through which the logical and conceptual schemas of a legacy…
Q: discuss the appropriate way to assess a Classification Model.
A: Classification is a supervised learning approach in which a target variable is discrete . Evaluating…
Q: What are Barry Boehm's thoughts on the spiral model in the context of system analytics?
A: Given: What are Barry Boehm's ideas on the spiral model in system analytics?
Q: 138. In RAD model, information gathered in business modeling phase is reviewed and analyzed to form…
A: Please find the answer to the above question below:
Q: 7.) How many models are created in 5-fold cross validation, and how are the different scores…
A: So your question is about machine learning subject. K-cross validation actual your question is how…
Q: Why COCOMO Detailed Model? How to utilise it?
A: Model COCOMO: The COCOMO Approach, sometimes known as the Constructive Cost Model, is a software…
Q: Why did you choose each prediction model and a brief description of how it works.
A: what is predictive model? So it is basically a statistical technique which uses machine learning…
Q: What Is Linear Analysis?
A: Ans : Linear analysis is also called as the lexical analysis and scanning, with the case of linear…
Q: What is asymptotic analysis and why is it used? Use examples to demonstrate.
A: Asymptotic analysis of an algorithm refers to defining the mathematical foundation/framing of its…
Q: Using RDF and SPARQL, create a data model for a system (such as a company or institution) of your…
A: Answer
Q: Explain the prerequisites for applying RAD model?
A: According to the given statement:- We have to explain the pre-requirement of applying RAD Model.
Q: What is the definition of predictive analysis? Give an example of how this may be used.
A: Predictive Analysis: Predictive analytics is a form of advanced analytics that uses historical data,…
Q: description above, create a Use Case
A: A use case diagram is used to represent the behavior of an application or system and depict its…
Q: What are the rules for identifying and establishing relationships in the ER-Model?
A: Guidelines: Types of Entity Name of the Entity Type Synonyms and homophones are two types of words…
Q: pplication for each level of healthcare services and the data mining technique to be used.
A: Data mining Data mining is the act of sifting through big data sets in order to find patterns and…
Q: Define key term universal data model?
A: Define key term universal data model?
Q: First, from an analytical viewpoint, what is slicing and dicing? Talk about the business uses for…
A: Making cuts and dice: Data manipulation, or "slicing and dicing," includes one or more of the…
Q: (a) Name some risks which Spiral Model can identify and resolve ? (b) Explain the functionality of…
A: ANSWER TO THE GIVEN QUESTION: Answer(a): A risk is any unfavorable circumstance that may influence…
Q: Define the Physical Data Model and the Logical Data Model ? What isthe relationship between the…
A: Introduction: You may use the logical model to describe business information and build business…
Q: What exactly is metric? Who examines it? What is the significance of this? Describe the metrics used…
A: Introduction: The creation of an analysis model is the initial stage in the technical activity of…
Q: The notion of OOP is based on real-world examples, but how can we verify this? In what ways may this…
A: Based on real-life instances, OOPS: The goal of object-oriented programming is to represent the…
Q: What is meant by leveling of DFDs in data and process modelling ?
A: The meaning of leveling of DFDs in data and process modeling is given below.
Q: What are the four different types of E-R diagrams that are created and analyzed during conceptual…
A: Introduction: Entity Relationship Diagram - (ER Diagram), also known as Entity Relationship Diagram…
Q: Justify why SVM is better classifier than logistic regression?
A: SVM( Support vector machine) is a classification algorithm that maximizes the margin among class…
Q: which diagram is the best model of Pizzas in the PizzaBase restaurant? Choose only one option
A: Diagram 2
Q: What are the 3 categories of data models?
A:
Q: Discuss the essential tasks, actions, and outputs for the CRISP-DM approach's "Modeling" phase. Give…
A: We need to write about essential tasks, action and outputs of the CRISP-DM approach's "Modeling"…
Q: Derive relations from conceptual model to logical data model. Identify the PK and FK
A: The given problem is a database modeling problem where the entity-relationship model is given. The…
Q: a) What is the confusion matrix? b) Why accuracy is not enough to evaluate the performance of an Al…
A: Confusion matrix: A confusion matrix is a matrix that is commonly used to evaluate a classification…
Q: Design a data model for a system (like organization or institution) of your choice using RDF and…
A: Actually, given question regarding data model system.
Q: What do you understand by Cohesion and Coupling? Explain all types of cohesion and coupling
A: Coupling: Coupling is the measure of the degree of interdependence between the modules. A good…
Q: at is Pyramid hierarchy and Overlap of information
A: A pyramid graph is a chart within the shape of a triangle and pyramid charts are best used at the…
Q: Compare and contrast the Wiig KM model with the SECI model. Explain how they work together to…
A: Communication and connection: Hello, I'm composing the required answer to the above-mentioned…
Q: 1. Following features will not simplify the ER data model for decision support systems. a.…
A: ER model An Entity-relationship model (ER model) uses a diagram, known as the Entity Relationship…
Q: 4+1 view alignment with UML diagrams. How can the different views of the 4+1 view model, be…
A: UML diagrams: UML stands for unified modelling language, UML is a modern approach to modeling and…
Q: would be the final ER diagram for this particular case after normalization?
A: It is defined as Entity-Relationship model. It is a high-level data model. This model is used to…
Q: How the K-mean cluster data ? Your answer why the PSO favored over other EA?
A: K means clustering is used to make cluster of data.where each data point belongs to perticular sub…
Q: 2. Identify the Advantage and disadvantage of Grid model?
A: Cost-effective as there is no need to buy large six-figure SMP servers for programs that can be…
Q: a) What is the main role of an ER diagram in data modelling? b) How many courses each student can…
A: a) What is the main role of an ER diagram in data modelling? Ans)ER diagram in data modelling helps…
What is the difference between the E-R model and the extended E-R model?
and explain the ER diagrams
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- In C++ class film { public: void setFilmDirector(string s); //sets the filmTitle to s void setFilmYear(string year); //sets the private member filmYear to year void setFilmProdCost(double cost); //sets the private member filmProdCost to cost void setFilmGenre (string type); //sets the private member filmGenre to type void printAllFilmInfo() const; //prints the filmDirector, filmYear, the filmProdCost and the filmGenre string geFilmGenre() const; //returns the filmGenre string getFilmYear() const; //returns the filmYear double getFilmProdCost() const; //returns the filmProdCost void updateFilmProdCost(double cost); //adds cost to the filmProdCost, so that the filmProdCost now has it original value plus the //parameter sent to this function private: string filmDirector; string filmYear; double filmProdCost; string filmGenre; }; Assume the following in your main program (the…Help, I making a elevator simulator. I have to use polymorphism and object oriented programming to write this code. Can someone please help me improve this code I have. The remaining code is in the pictures. Any help is appreciated. Thank You! The simulation should have 4 types of Passengers: Standard: This is the most common type of passenger and has a request percentage of 70%. Standard passengers have no special requirements. VIP: This type of passenger has a request percentage of 10%. VIP passengers are given priority and are more likely to be picked up by express elevators. Freight: This type of passenger has a request percentage of 15%. Freight passengers have large items that need to be transported and are more likely to be picked up by freight elevators. Glass: This type of passenger has a request percentage of 5%. Glass passengers have fragile items that need to be transported and are more likely to be picked up by glass elevators. The simulation should also have 4 types…Find the error in each of the following code segments: // Superclasspublic class Vehicle{private double cost;(Other methods . . .)}// Subclasspublic class Car extends Vehicle{public Car(double c){cost = c;}}
- to print the name, age , class, school and email of 4 students. if the email is not provided, print "no email provided". if the age is not defined, make it equal to -1. in the console, you need to have: student "name: amandeep; email: no email provided; age: 26; course: req-01; grade: 75; school: 'matrix'} in java programming languageComputer Science c++ help comment code please. Complex has multiple parameters to overload i think. class Complex{public: Complex(); //There are no parameters because... Complex(double); //There is one parameter because... Complex(double, double);//There are two parameters because... double get_Real(); void set_Real(double); double get_Imaginary(); void set_Imaginary(double); friend ostream& operator << (ostream& out, Complex& r); //explain friend istream& operator >> (istream& in, Complex& r);//explainprivate: double real; double imaginary;}; ostream& operator << (ostream& out, Complex& r) //{ double a = r.get_Real(); double b = r.get_Imaginary(); if (a != 0)out << a; if (b < 0) out << "-" << abs(b) << "i"; if (b > 0 && b != 1) out << "+" << b << "i"; if (b == 0) out << "0"; if (b == 1 && a != 0) out << "+" <<…A Person has a name (just a first name for simplicity) and friends. Store the names of the friends in a string, separated by spaces. Provide a constructor that constructs a person with a given name and no friends. Provide member functions. c++ void befriend(Person p) void unfriend(Person p) string get_friend_names()
- "CommissionEmployee" class: package commissions; import employees.Employee; public class CommissionEmployee extends Employee { private double gross_sales; private double rate; public CommissionEmployee(String fname, String lname, String SSN, double gross_sales, double rate) { super(fname, lname, SSN); this.gross_sales = gross_sales; this.rate = rate; } public double getGross_sales() { return gross_sales; } public void setGross_sales(double gross_sales) { this.gross_sales = gross_sales; } public double getRate() { return rate; } public void setRate(double rate) { this.rate = rate; } public double earnings() { return gross_sales*rate; } @Override public String toString() { return super.toString()+"[gross_sales=" + gross_sales + ", rate=" + rate + "]"; } } Update the code in JAVA to include the following: "BasePlusCommissionEmployee" class that inherits from "CommissionEmployee" class. A BasePlusCommissionEmployee has a…Java Assignment Outcomes: Student will demonstrate the ability to utilize inheritance in a Java program. Student will demonstrate the ability to apply the IS A and HAS A relationships. Program Specifications: Start by watching Video Segment 16 from Dr. Colin Archibald's video series (found in the module overview). Key in the program shown in the video and make sure it works. Then, add the following: Animals have a Weight. Animals have a Height. Dog is an Animal. Dogs have a Name. Dogs have a Breed. Dogs have a DOB. Cat is an Animal Cats have a Name. Cats have 9 lives, so you need to keep track of the remaining lives once a cat dies. Bird is an Animal Birds have a wing span Birds have a canFly which is true or false (some birds cannot fly) Create a test class that creates one of each type of animal and displays the animal’s toString method. Submission Requirements: You must follow the rules from the prior assignments. UMLs and Design Tools are not required for this one. YOU MAY…In C++ class bookType { public: void setBookTitle(string s); //sets the bookTitle to s void setBookISBN(string ISBN); //sets the private member bookISBN to the parameter void setBookPrice(double cost); //sets the private member bookPrice to cost void setQuantityInStock (int noOfCopies); //sets the private member quantityInStock to noOfCopies void printInfo() const; //prints the bookTitle, bookISBN, the bookPrice and the quantityInStock string getBookISBN() const; //returns the bookISBN double getBookPrice() const; //returns the bookPrice int showQuantityInStock() const; //returns the quantityInStock void updateQuantity(int addBooks); //adds addBooks to the quantityInStock, so that the quantity in stock now has it original value plus the parameter sent to this function private: string bookTitle; string bookISBN; double bookPrice; int quantityInStock; }; Assume the constructors above have been written and added to your program:…
- In C++ class bookType { public: void setBookTitle(string s); //sets the bookTitle to s void setBookISBN(string ISBN); //sets the private member bookISBN to the parameter void setBookPrice(double cost); //sets the private member bookPrice to cost void setQuantityInStock (int noOfCopies); //sets the private member quantityInStock to noOfCopies void printInfo() const; //prints the bookTitle, bookISBN, the bookPrice and the quantityInStock string getBookISBN() const; //returns the bookISBN double getBookPrice() const; //returns the bookPrice int showQuantityInStock() const; //returns the quantityInStock void updateQuantity(int addBooks); //adds addBooks to the quantityInStock, so that the quantity in stock now has it original value plus the parameter sent to this function private: string bookTitle; string bookISBN; double bookPrice; int quantityInStock; }; Write the full function definition for updateQuantity();PTHYON: BASIC INHERITANCE Set course_student's last_name to Smith, age_years to 20, and id_num to 9999.Sample output for the given program:Name: Smith, Age: 20, ID: 9999Machine Problem: Implement Polymorphism to compute the wages of regular and contractual employees. Upload the screenshot of your running program and java source code. Sample Output Payroll System Parent Class ID:Name:Job Position:Job Status: ______________________________________________ Sub Class 1 ID: 101Name: John VasquezJob Position: TeacherJob Status: Regular Enter Rate/Day: 1000Enter Total Days Worked: 24 The Gross Income is: 24,000 --------------------------------------------------------------------------------------- Sub Class 2 ID: 102Name: James MontebonJob Position: Utility ManJob Status: Contractual Enter Rate/hr. 100Enter Total Days Worked: 24 --------> 8 hrs. /day The Gross Income is: 19,200 Note: If you can’t see the word “ ENTER”, which means the values are fixed, no input.