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Superimposed Information

This document outlines the innovative concepts of Superimposed Information (SI) developed at Portland State University. Presenting a new interpretation of existing information, SI focuses on providing granular access to varied sources through annotations, bookmarks, and concept maps. The proposed SI framework enables users to navigate and manipulate information seamlessly, allowing for enhanced multimedia presentations. This proposal also introduces relevant tools like Sidepad and SIMPEL, emphasizing their roles in improving information access and presentation.

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Superimposed Information

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  1. Superimposed Information By Uma Murthy and Edward Fox Source: NSF/NSDL project proposal # 0405396 CS4624: Multimedia, Hypertext, and Information Access

  2. Outline for Today • Presentation • Introduction, basic concepts • Demonstrations CS4624: Multimedia, Hypertext, and Information Access

  3. Background • SI concept and software developed by people at Portland State University, including • Lois M. Delcambre • David Maier • Sudarshan Murthy CS4624: Multimedia, Hypertext, and Information Access

  4. What is Superimposed Information (SI)? • New interpretation of existing information • Comments, new structures • Focuses on • Information at sub-document granularity • Information from heterogeneous sources • Working with information insitu CS4624: Multimedia, Hypertext, and Information Access

  5. SI Examples • Annotations • Bookmarks • Comments • Concept Maps • Concordances • Previews CS4624: Multimedia, Hypertext, and Information Access

  6. Components of SI Architecture * Source: ICDE04 presentation by Murthy, et al. CS4624: Multimedia, Hypertext, and Information Access

  7. What is a Mark? • An abstraction • Represents a selection of information inside a base layer • Includes address information • May be used to retrieve contextual information CS4624: Multimedia, Hypertext, and Information Access

  8. SI and Hypertext • Marks may be considered as a deeper (higher/lower) level abstraction of hypertext. • Marks represented as URIs CS4624: Multimedia, Hypertext, and Information Access

  9. Superimposed Applications • Sidepad • Concept mapping/note taking tool • SIMPEL • Multimedia presentation editor and player • Marks as URIs • Marks in HTML documents CS4624: Multimedia, Hypertext, and Information Access

  10. SIMPEL: A SuperImposed Multimedia Presentation Editor and pLayer • Select and reference multimedia information (text, audio, video) at varying granularity • Create a presentation - arrange selections (references) in a time-synchronized manner • “Play” presentation CS4624: Multimedia, Hypertext, and Information Access

  11. Demonstrations • Creating marks. • Using marks in an HTML document. • Using marks in a Sidepad document. • Creating and playing SIMPEL presentations. CS4624: Multimedia, Hypertext, and Information Access

  12. References • Maier, D. and L.M. Delcambre. Superimposed Information for the Internet. In WebDB 99. 1999. • Murthy, S. Sidepad User Guide - http://datalab.cs.pdx.edu/sparce/apps/Sidepad/. 2005. • Fox, E.A. and U. Murthy. The Superimposed Information Project at Virginia Tech - http://si.dlib.vt.edu/. 2005. • Murthy, S. and D. Maier, SPARCE: Superimposed Pluggable Architecture for Contexts and Excerpts. 2003, OGI CSE. • Murthy, U. and Ahuja, K. SIMPEL: A SuperImposed Multimedia Presentation Editor and PLayer, CS6604 Fall 2005 Project Report, Virginia Tech, Blacksburg, VA., 2005, http://pubs.dlib.vt.edu:9090/48/. • SPARCE website - http://datalab.cs.pdx.edu/sparce/. 2005. CS4624: Multimedia, Hypertext, and Information Access

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