OES

Online Examination System

An attempt to create OES, Which is a platform to conduct Exams seamlessly & effortlessly. Started as OES & Scaling as LMS (Learning Management System).

    Note: Focused mainly on technologies & used as POC implementations, but in a systematic way.

Actors :

 - Examiner
 - Student

Features :

 Examiner :

	  - Multiple Students Registration through Excel & Email Notification
	  - Classroom teaching through VideoCall (WebRTC)
	  - WhiteBoard (WebSockets & Canvas)
	  - Upload Videos
	  - Upload a Question Paper
	  - Students Status & Video Proctoring Online through WebRTC
	  - Realtime Notifications to Students (WebSockets)
	  - Realtime Chart Dashboards


  Student :

	  - View uploaded Videos On Demand (HLS(Http Live Streaming))
	  - Dynamic video captions (WebkitSpeechRecognition, Canvas)
	  - One to One & One to Many Video/Text Chat (WebRTC & WebSockets)
	  - Online Examination (Voice Typing & On Screen Keyboard)
	  - BlackBox Invigilation (Captures the images through webcam & Uploads a zip file to server)
	  - Online Answer Evaluation (WASM (WebAssembly) )


  Common :

	  - Login Functionality (JWT Authentication)
	  - Dynamic MenuList (User Based)
	  - UserBased Authorization to API's

Scope & Ideas yet to implement:

Fully functional LMS & Incorporation of Deep Learning to develop a novel quality.

    - Document Similarity (NLP)
    - Text Summarizer (NLP)
    - Automatic Question Generation (NLP)
    - Student Mood Analyzer while Exam (CNN)

Technologies:

  Front-End : Vue.js, WebAssembly
  Back-End : Golang
  DB	: MySQL
  Web Server : Nginx
  Caching & Scaling : Redis
  Message Queue : RabbitMQ
  Deep Learning : Python
  Other : Docker, gRPC, HLS, WebSockets, WebRTC

Conclusion:

  Clean Architecture, Concurrent & Highly Scalable Distributed System.