Multimedia Information Systems - Introduction
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1 Multimedia Information Systems - Introduction VO/KU ( ) Christoph Trattner Know-Center, TU Graz Oct 05, 2015 Christoph Trattner (Know-Center, TU Graz)Multimedia Information Systems - Introduction Oct 05, / 23
2 Outline 1 Definition 2 History Christoph Trattner (Know-Center, TU Graz)Multimedia Information Systems - Introduction Oct 05, / 23
3 Information Systems - Introduction Multimedia Information Systems VO/KU ( ) Christoph Trattner Know-Center, TU Graz Oct 05, 2015 Christoph Trattner (Know-Center, TU Graz) Information Systems - Introduction Oct 05, / 23
4 Definition Information systems Systems for managing information in different forms Collecting, storing, processing, presenting, delivering information Data vs. Information: information is data in a context E.g. data - 59 In context: Age of Tim Berners-Lee is 59 Christoph Trattner (Know-Center, TU Graz) Information Systems - Introduction Oct 05, / 23
5 Definition Information systems Various kinds of information systems Depending on the kind of information that is managed: Structured information clear separation of structure and content Databases Unstructured, or semi-structured information e.g. text documents Document Management Systems If semi-structured information comes in the form of different media (text, video, images, 3D etc.) Multimedia Information Systems Christoph Trattner (Know-Center, TU Graz) Information Systems - Introduction Oct 05, / 23
6 Definition Information systems Taking into account the networking environment Standalone information systems no network Distributed information system network is needed Christoph Trattner (Know-Center, TU Graz) Information Systems - Introduction Oct 05, / 23
7 Definition Information systems In this course we discuss Distributed Multimedia Information Systems The largest network infrastructure: the Internet Internet-based Multimedia Information Systems The largest application infrastructure on the Internet: the Web Christoph Trattner (Know-Center, TU Graz) Information Systems - Introduction Oct 05, / 23
8 Definition The Internet and the Web Internet Web Internet: global system of interconnected networks that communicate over standard network protocols (TCP/IP) The Web: service consisting of interlinked hypermedia documents accessed via the Internet Christoph Trattner (Know-Center, TU Graz) Information Systems - Introduction Oct 05, / 23
9 1945 Vannevar Bush As We May Think as-we-may-think/3881/ Device called memex Christoph Trattner (Know-Center, TU Graz) Information Systems - Introduction Oct 05, / 23
10 Figure : Drawing of Bush s theoretical Memex machine (Life Magazine, November 19, 1945) Christoph Trattner (Know-Center, TU Graz) Information Systems - Introduction Oct 05, / 23
11 Digital library - knowledge management system Extends human brain Index device for later retrieval Recording information with microphone, camera Trails: today links create and follow associative trails of links Christoph Trattner (Know-Center, TU Graz) Information Systems - Introduction Oct 05, / 23
12 1960 Ted Nelson formed terms hyperlink and hypermedia Book Literary Machines Project Xanadu ( - first hypertext project Christoph Trattner (Know-Center, TU Graz) Information Systems - Introduction Oct 05, / 23
13 Different types of hyperlinks (bookmarks, annotations, footnotes, hypertext-jumps, etc.) Visualization: display connection lines between the contents of the windows Transclusion: document includes a referenced document or part of it Versioning Still unfinished :-) Christoph Trattner (Know-Center, TU Graz) Information Systems - Introduction Oct 05, / 23
14 1967 Andries van Dam: Hypertext Editing System (HES) 1968 Douglas Engelbart: NLS (on-line System) Invented text-processing, window-technique, , teleconferencing, context sensitive help, presentation programs, mouse I don t know why we call it a mouse. It started that way and we never changed it. Christoph Trattner (Know-Center, TU Graz) Information Systems - Introduction Oct 05, / 23
15 Figure : HES Christoph Trattner (Know-Center, TU Graz) Information Systems - Introduction Oct 05, / 23
16 Figure : Hypertext Christoph Trattner (Know-Center, TU Graz) Information Systems - Introduction Oct 05, / 23
17 1975 Akscyn: KMS (Knowledge Management System) multi-user collaborative hypertext-based KMS 1982 Hermann Maurer: BTX (Bildschirm TeXt), Mupid BTX: interactive online service combining a telephone and TV to a single medium BTX: > pages, encyclopedias, games, discussion forums, ecommerce (http: //much.iicm.edu/much/projects/videotex_2/index.htm/) Christoph Trattner (Know-Center, TU Graz) Information Systems - Introduction Oct 05, / 23
18 Mupid: BTX terminal and personal computer the first network computer with software from the net Developed at IICM Christoph Trattner (Know-Center, TU Graz) Information Systems - Introduction Oct 05, / 23
19 History Figure : Mupid Christoph Trattner (Know-Center, TU Graz) Information Systems - Introduction Oct 05, / 23
20 1985 Norman Meyrowitz: Intermedia, IRIS bidirectional links stored separately from content - parallel webs 1987 Bill Atkinson: Hypercard (Apple) 1987 Notecards hypertext knowledge base (Xerox PARC) 1989 WAIS (Wide Area Information System) multiple text document servers listed in directories client-server text searching system, relevance ranking Christoph Trattner (Know-Center, TU Graz) Information Systems - Introduction Oct 05, / 23
21 Figure : NoteCards Christoph Trattner (Know-Center, TU Graz) Information Systems - Introduction Oct 05, / 23
22 Beginning of 1990s Hyper-G (now Hyperwave) 1991 Gopher www predecessor: internet protocol for distributing and retrieving documents 1991: World Wide Web (Tim Berners-Lee, CERN) Christoph Trattner (Know-Center, TU Graz) Information Systems - Introduction Oct 05, / 23
23 World Wide Web: 1991 the service was made available on the Internet Essential technologies: URL (unidirectional), HTML and HTTP embedded graphics, but also dead links 1993 turning point: WWW made available to everyone, NCSA Mosaic Browser 1994: WWW consortium (W3C) founded Christoph Trattner (Know-Center, TU Graz) Information Systems - Introduction Oct 05, / 23
24 Questions History Any Questions? Christoph Trattner (Know-Center, TU Graz) Information Systems - Introduction Oct 05, / 23
25 Next Lecture The Web as an Hypermedia Information System Web 2.0 and the social web Structure of the Web Navigation behaviour Searching Christoph Trattner (Know-Center, TU Graz) Information Systems - Introduction Oct 05, / 23
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