Use Case Diagram
Online Auction System
Use Case and Misuse Case Diagrams
Mounika Challagundla, Graduate Student Dr. Natarajan Meghanathan, Associate Professor Department of Computer Science Jackson State University, Jackson, MS 39217, USA
use case description
• Registration: Anyone who want to participate in auction first they have to register to the system. • Login: The user will provide login details in order to access anything. • Post items: Once registered as a seller, the seller can start posting his inventory on the marketplace. To post an item for auction, the seller should select the category and subcategory of the product to be listed in.
use case description
• Search products: If the buyer wants to know information regarding any product, then the buyer performs the search operation. • Place bid: Once the buyer confirms to buy a product, then the buyer place the bid onto the auction system. • Settle deal: Once the administrator select the highest bid person, then the administrator informs the seller about highest bid person information . Seller deals with the buyer about the payment.
Identification of actors
• Seller: The seller is the person who keeps the items in the auction. • Buyer: The buyer is the person who purchases the items in the auction by placing bid. • Database: It contains all information about the buyer, seller and auction items etc. • Administrator: The person who monitors the online auction system.
use case diagram:
Registratio n
Login Seller Data base Post items
Search product
Place bid Settle deal
Buyer
Administrator
Paymen t
Misuser description
• This misuser can hack the login details of the legitimate users and can perform any malfunction. • To mitigate this, cryptographic algorithms must be adopted. • The misuser can hack the bank details of the user. To mitigate this, encryption process should be applied on the bank information.
Registration:
name
Identifica tion card Present Address
Database
Use Case and Misuse Case Diagrams
Mounika Challagundla, Graduate Student Dr. Natarajan Meghanathan, Associate Professor Department of Computer Science Jackson State University, Jackson, MS 39217, USA
use case description
• Registration: Anyone who want to participate in auction first they have to register to the system. • Login: The user will provide login details in order to access anything. • Post items: Once registered as a seller, the seller can start posting his inventory on the marketplace. To post an item for auction, the seller should select the category and subcategory of the product to be listed in.
use case description
• Search products: If the buyer wants to know information regarding any product, then the buyer performs the search operation. • Place bid: Once the buyer confirms to buy a product, then the buyer place the bid onto the auction system. • Settle deal: Once the administrator select the highest bid person, then the administrator informs the seller about highest bid person information . Seller deals with the buyer about the payment.
Identification of actors
• Seller: The seller is the person who keeps the items in the auction. • Buyer: The buyer is the person who purchases the items in the auction by placing bid. • Database: It contains all information about the buyer, seller and auction items etc. • Administrator: The person who monitors the online auction system.
use case diagram:
Registratio n
Login Seller Data base Post items
Search product
Place bid Settle deal
Buyer
Administrator
Paymen t
Misuser description
• This misuser can hack the login details of the legitimate users and can perform any malfunction. • To mitigate this, cryptographic algorithms must be adopted. • The misuser can hack the bank details of the user. To mitigate this, encryption process should be applied on the bank information.
Registration:
name
Identifica tion card Present Address
Database