Lecture-1: Introduction to web engineering - course overview and grading scheme
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This document provides an introduction to the course "Introduction to Web Engineering". It discusses the need for applying systematic engineering principles to web application development to avoid common issues like cost overruns and missed objectives. The document defines web engineering and outlines categories of web applications of varying complexity, from document-centric to ubiquitous applications. Grading policies are also covered.
Lecture-1: Introduction to web engineering - course overview and grading scheme
- 1. Introduction to Web Engineering Mr. Mubashir Ali Lecturer (Dept. of Computer Science) [email protected] 1 Lecture 01
- 2. Outline • Grading Policy • Academic Honesty • Introduction to the Course • What is web engineering? • Web applications • The case for web engineering • Categories of web applications Mubashir Ali - Lecturer (Department of Computer Science) 2
- 3. Mubashir Ali - Lecturer (Department of Computer Science) 3 Grading Policy Classification Assignments, Presentation & Quizzes 2 Marks Attendance & Class Behavior 2 Marks Mid-term Exam 12 Marks Final-term Exam 24 Marks Semester Project & Practical 20 Marks Total 60 Marks
- 4. Mubashir Ali - Lecturer (Department of Computer Science) 4 Academic Honesty Your work in this class must be your own If students are found to have collaborated excessively or to have cheated (e.g. by copying or sharing answers during an examination), all involved will at a minimum receive grades of “0” for the first violation Further violations will result in failure in the course
- 5. Mubashir Ali - Lecturer (Department of Computer Science) 5 Few Things to Remember Attendance will be taken with in 5 minutes at the start of class Students are allowed to enter into class with in 15 minutes at the starting of class Zero tolerance policy on attendance, discipline of class during lectures! Assignments must be submitted on time, no late submissions In case of copied assignment both parties will be given zero! Projects, Presentation, Quizzes, Assignments, Class participation are very important. Don’t miss your Classes, Quizzes, Presentations, Assignments and Projects!
- 6. 1. Introduction to the Course This course aims: • to introduce the methods and techniques used in Web-based application development • to develop practical web applications Mubashir Ali - Lecturer (Department of Computer Science) 6
- 7. 1.1 Web application development Browser interprets user’s selection and makes request from appropriate server Server accepts and processes request from browser 4. Server sends requested files to browser to be interpreted 1. User sends request User receives file displayed by the browser Browser Mubashir Ali - Lecturer (Department of Computer Science) 7
- 8. 1.2 Web application development… • Hyper-text Markup Language (HTML) • Cascading Style-sheets (CSS) • Client-side Scripting Language (JavaScript) • Serve-side Scripting Language (PHP) • Database Language (MySQL) Mubashir Ali - Lecturer (Department of Computer Science) 8
- 9. 1.3 Books & Resources • Visit: http://www.mubashirali.com/web- engineering/ Mubashir Ali - Lecturer (Department of Computer Science) 9
- 10. 2. Web engineering • Software engineering is an engineering discipline that is concerned with all aspects of software production • Software Engineering is the science and art of building significant software systems that are: – on time – on budget – with acceptable performance – with correct operation Mubashir Ali - Lecturer (Department of Computer Science) 10
- 11. 2. Web engineering… • Web engineering is the study of the process, used to create high quality Web-based applications • Web engineering draws heavily on the principles and management activities found in software engineering processes • Web engineering extends Software Engineering to Web applications Mubashir Ali - Lecturer (Department of Computer Science) 11
- 12. 2. Web engineering… • The application of systematic and quantifiable approaches to cost-effective analysis, design, implementation, testing, operation, and maintenance of high-quality web applications Mubashir Ali - Lecturer (Department of Computer Science) 12
- 13. 3. Web applications • WWW has massive and permanent influence on our lives – Economy, Industry, education, healthcare, entertainment • Why? – global and permanent – Comfortable and uniform access Mubashir Ali - Lecturer (Department of Computer Science) 13
- 14. 3. Web applications… • WWW started as an informational medium • Evolved into application medium – Interactive, data intensive services • Distinguishing factors – How it is used? – Technologies and standards for development Mubashir Ali - Lecturer (Department of Computer Science) 14
- 15. 3. Web applications… • A Web application is a system that utilizes W3C standards & technologies to deliver web-specific resources to clients (typically) through a browser • Technology + interaction Mubashir Ali - Lecturer (Department of Computer Science) 15
- 16. 4. The case for web engineering… • Top project drawbacks (Cutter, 2000) – 84% - Failure to meet business objectives – 79% - Project schedule delays – 63% - Budget overrun – 53% - Lack of functionality • Web Engineering’s solution: – Clearly defined goals & objectives – Systematic, phased development – Careful planning – Iterative & continuous auditing of the entire process Mubashir Ali - Lecturer (Department of Computer Science) 16
- 17. 5. Categories of web applications • Document-centric web • Interactive and transactional web applications • Workflow-based web applications • Collaborative and social web applications • Portal-oriented web applications • Ubiquitous web applications Mubashir Ali - Lecturer (Department of Computer Science) 17
- 18. 5.1 Categories of Web Applications (development history vs complexity) Doc-Centric Interactive Transactional Workflow Based Social Web Collaborative Ubiquitous Portal Oriented Development History Complexity Mubashir Ali - Lecturer (Department of Computer Science) 18
- 19. Summary • Web engineering extends Software Engineering to Web applications • Why web engineering? • Web applications • Categories of web applications Mubashir Ali - Lecturer (Department of Computer Science) 19
- 20. References • Lecture Slides by Kappel et al. • Chapter 1, Kappel, G., Proll, B. Reich, S. & Retschitzegger, W. (2006). Web Engineering, 1st ed. Hoboken, NJ: Wiley & Sons • UNESCO ICTLIP Module 6. Lesson 1 Slides Mubashir Ali - Lecturer (Department of Computer Science) 20