Search (79 results, page 1 of 4)

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Date

22. 2.2003 17:25:39
22. 2.2003 18:13:11

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Date

22. 2.2003 17:25:39
22. 2.2003 18:16:22

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Classification

ST 175 Informatik / Monographien / Technische Informatik / Speicher, Speicherverwaltung, (CD-ROM, optische Speicher, Pufferspeicher Magnetcassette Magnetplatte etc.)

RVK

ST 175 Informatik / Monographien / Technische Informatik / Speicher, Speicherverwaltung, (CD-ROM, optische Speicher, Pufferspeicher Magnetcassette Magnetplatte etc.)

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Abstract

Visual Interfaces to Digital Libraries exploit the power of human vision and spatial cognition to help individuals mentally organize and electronically access and manage large and complex information spaces. They draw on progress in the field of information visualization and seek to shift the users' mental load from slow reading to faster perceptual processes such as visual pattern recognition.Based on two workshops, the book presents an introductory overview as well as a closing listing of the top ten problems in the area by the volume editors. Also included are 16 thoroughly reviewed and revised full papers organized in topical sections on visual interfaces to documents, document parts, document variants, and document usage data; visual interfaces to image and video documents; visualization of knowledge domains; cartographic interfaces to digital libraries; and a general framework.

Content

Enthält die Beiträge: Katy Börner and Chaomei Chen: Visual Interfaces to Digital Libraries: Motivation, Utilization, and Socio-technical Challenges - Part I. Visual interfaces to Documents, Document Parts, Document Variants, and Document Usage Data - George Buchanan, Ann Blandford, Matt Jones, and Harold Thimbleby: Spatial Hypertext as a Reader Tool in Digital Libraries; Michael Christoffel and Bethina Schmitt: Accessing Libraries as Easy as a Game; Carlos Monroy, Rajiv Kochumman, Richard Furuta, and Eduardo Urbina: Interactive Timeline Viewer (ItLv): A Tool to Visualize Variants Among Documents; Mischa Weiss-Lijn, Janet T. McDonnell, and Leslie James: An Empirical Evaluation of the Interactive Visualization of Metadata to Support Document Use; Stephen G. Eick: Visual Analysis of Website Browsing Patterns - Part II. Visual Interfaces to Image and Video Documents - Adrian Graham, Hector Garcia-Molina, Andreas Paepcke, and Terry Winograd: Extreme Temporal Photo Browsing; Michael G. Christel: Accessing News Video Libraries through Dynamic Information Extraction, Summarization, and Visualization; Anselm Spoerri: Handwritten Notes as a Visual Interface to Index, Edit and Publish Audio/Video Highlights - Part III. Visualization of Knowledge Domains - Jan W. Buzydlowski, Howard D. White, and Xia Lin: Term Co-occurrence Analysis as an Interface for Digital Libraries; Kevin W. Boyack, Brian N. Wylie, and George S. Davidson: Information Visualization, Human-Computer Interaction, and Cognitive Psychology: Domain Visualizations - Part IV. Cartographic Interfaces to Digital Libraries - André Skupin: On Geometry and Transformation in Map-Like Information Visualization; Guoray Cai: GeoVIBE: A Visual Interface for Geographic Digital Libraries: Teong Joo Ong, John J. Leggett, Hugh D. Wilson, Stephan L. Hatch, and Monique D. Reed: Interactive Information Visualization in the Digital Flora of Texas; Dan Ancona, Mike Freeston, Terry Smith, and Sara Fabrikant: Visual Explorations for the Alexandria Digital Earth Prototype - Part V. Towards a General Framework - Rao Shen, Jun Wang, and Edward A. Fox: A Lightweight Protocol between Digital Libraries and Visualization Systems; Chaomei Chen and Katy Börner: Top Ten Problems in Visual Interfaces to Digital Libraries

Date

22. 2.2003 17:25:39
22. 3.2008 15:02:37

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Abstract

In the short term, technological advances will not solve the problems of information saturation and electronic gridlock on the Internet. Advocates interface design techniques as the only effective means of addressing the usability problems that frustrate interaction with Internet resources. Collaborative approaches to information retrieval, where search engines are augmented by advice from human experts, can reduce the problems of electronic gridlock and information saturation

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Abstract

In this paper, we report on the second part of an empirical study designed to observe how users interact with World Wide Web resources. Applying a holistic approach, the researches examine users' cognitive, affective, and physical behaviors during user-Web interaction in order to understand better the nature of information retrieval on the Web, the needs of Web users, and the problem-solving strategies Web users employ. From analyses and the participant verbalizations collected during monitored searches, the researchers developed a taxonomy of problem solving strategies. The coding scheme was developed based on a content analysis of the integrated process data. Information from triangulation follow-up with participants via anonymously completed questionnaires, the taxonomy, and analyses of search transcripts were collected to determine 1) what problems users encountered during the interaction and how users solved these problems; and 2) which problem-solving strategies Web users considered and selected for finding factual information. The focus of the coding was on the participants' cognitive, affective, and physical behaviors in response to the components of the problems encountered, which included problems of the following types: Web interfaces, users' mental models, and the Web information sources. Searching behavior and problem-solving patterns are described and interpreted within the relevant situational context and the problems users encountered are identified and analyzed. Both the problems users faced and their problem-solving approaches endeavored evidence a strong reliance on mental models of the features available on sites, the location of those features, and other interface design concepts

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Date

22. 2.2003 17:25:39
22. 2.2003 18:15:14

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Date

22. 2.2003 17:25:39
22. 2.2003 18:20:07

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Date

22. 2.2003 17:25:39
22. 2.2003 18:19:01

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Abstract

In this paper we present the results of an experiment to help professional scientists and engineers undertake their own literature searches using a number of the major online bibliographic databases. The end-users, or experimental subjects, are already familiar with Deco, the text storage and retrieval system used by Unilever, but have little or no knowledge of the major online database systems, such as Orbit, Dialog, BRS, etc. The paper describes the design and development of a front-end system which simplifies the 'logon' procedure and converts Deco format commands into any of the other required languages. The users can thus search any of the major online databases just as if they were searching their own files on their local system ...

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Date

22. 2.2003 17:25:39
22. 2.2003 18:17:40

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Date

27.12.2014 18:54:22

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Abstract

Examines the problems that users have remotely accessing libraries' online catalogue system in Australia and around the world using Telnet. Examines the frustrations users have experienced in dealing with the various commands they need to use when searching from one library to another

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Abstract

Describes the interrelationship that exists between icons and metaphors and discusses the problems of designing iconic computer interfaces that embed useful metaphors. Uses various case studies to illustrate the issues raised and draws outline conclusions

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Abstract

A research project at Middlesex Polytechnic is examning the problems of subject access in an OPAC. A series of user studies have been carried out which examined students' use of existing catalogue facilities, which in turn led to the experimental evaluation of various interface designs for an online catalogue. The experiments were primarily concerned with the effect of the following variables on the speed and accuracy of retrieval of specific items, the use of colour, the speed of presentation of information, the amount of information on a screen, the paging and scrolling of information, the position of a sought item within a list

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Abstract

Adaptive interfaces have received much criticism because adaptation and automatic assistance generally contradict the principles of direct-manipulation interfaces. In addition, their success depends highly on the ability of user models to capture the goals and needs of the users. As the construction of user models is often based on poor evidence, even the most advanced learning algorithms may fail to infer accurately the user goals. Previous research has put little emphasis on investigating usability problems of adaptive systems and developing interaction techniques that could resolve these problems. This paper examines these problems and presents an interaction model for adaptive hypermedia (AH) that merges adaptive support and direct manipulation. This approach is built upon a new content adaptation technique that derives from fisheye views. This adaptation technique supports incremental and continuous adjustments of the adaptive views of hypermedia documents and balances between focus and context. By combining this technique with visual representations and controllers of user models, we form a twofold interaction model that enables users to move quickly between adaptation and direct control. Two preliminary user studies exhibit the strengths of our proposed interaction model and adaptation technique. Future extensions to our work are outlined based on the weaknesses and limitations that the studies revealed.

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Date

23. 1.1999 19:32:22

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Date

23. 1.1999 19:23:22

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Date

26.10.2008 19:31:22

Source

Mitteilungsblatt der Bibliotheken in Niedersachsen und Sachsen-Anhalt. 2008, H.139, S.22-24

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Abstract

Hypertext for multi-media and full-text documents is rapidly developed on all fronts. For bibliographic information retrieval the applications are promising but pose several difficulties. Describes work conducted at the School of Library and Information Science at Univ. of Western Ontario the objective of which is to add the capability of a browsing search to an existing OPAC through the use of Windowed Hypertext Interface for Zippy Retrieval and Display (WHIZRD) software. Discusses the underlying retrieval capabilities of the system. Examines design problems and solutions and outlines future enhancements