Ch 2 and 3. Applications Myungchul Kim

2 o Styles of social applications – Communication: discussion or the circulation of draft documents – Coordination: preventing conflicts in the joint editing of a document, scheduling the time of a meeting o Remote conferencing with shared workspace – Telephony, video, presentation graphics, collaborative authoring of a shared document and hand drawing. – Mbone, …

3 o Groupware – A message is a form of direct-deferred communication between users. – Priority, filtering, authentication, integrity and confidentiality. – Applications: Calendar and scheduling o Discussion forums – Newsgroup: a deferred style of discussion forum – Chatroom – Listserver

4 o Cyberspace applications – Broadcasting: no spectrum limits and no government license – Mass publication: web – Information retrieval: hypertext model, search engine – Consumer electronic commerce o Information management – Stock – RealAudio and RealVideo – Finding useful information: Browsing, navigation, search (next)

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7 o Digital libraries o Example of organizational applications – Push and pull – Customer care – On-line bookselling – On-line stock trading – Floral delivery service

8 o Example of departmental applications – On-line transaction processing: – Workflow: cooperating on ongoing repetitive tasks o Enterprise applications – Operations: Enterprise Resource Planning – Decision support – Knowledge management

9 o Electronic commerce – Type: Inter-enterprise (procurement, XML), consumer and interconsumer (eBay) – Steps in a sale: matching buyers and sellers, negotiating terms and conditions (ex, auction), consummation and customer service. – Virtual enterprises: supply-chain management