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Journal of Zhejiang University SCIENCE A 2005 Vol.6 No.11 P.1306~1311

10.1631/jzus.2005.A1306


Resource discovery in distributed digital libraries through visual knowledge navigation


Author(s):  GU Qian-yi, AHMAD Faisal, SUMNER Tamara

Affiliation(s):  Department of Computer Science, University of Colorado, Colorado 80309-0430, USA

Corresponding email(s):   Qianyi.gu@colorado.edu

Key Words:  Discovery system, Digital libraries, Visualization, Concept space, Web services


GU Qian-yi, AHMAD Faisal, SUMNER Tamara. Resource discovery in distributed digital libraries through visual knowledge navigation[J]. Journal of Zhejiang University Science A, 2005, 6(11): 1306~1311.

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author="GU Qian-yi, AHMAD Faisal, SUMNER Tamara",
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pages="1306~1311",
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T1 - Resource discovery in distributed digital libraries through visual knowledge navigation
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A1 - SUMNER Tamara
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SP - 1306
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DOI - 10.1631/jzus.2005.A1306


Abstract: 
In order to support users to search and browse for various resources, digital libraries are composed of discovery systems which provide user interface and information retrieve system. Recent researches in Information Retrieval have investigated different techniques through improving precision and recall to enhance the effectiveness of discovery system in digital libraries. In this paper, we present our work to enhance discovery system effectiveness with a different approach, through resource discovery based on visual knowledge navigation. In our Strand Map Services project under National Science Digital Library, we introduce the visual resource discovery system called conceptual browsing interfaces, to help educators and learners to locate, comprehend and use educational resources in digital libraries. The paper begins with a short introduction of the Strand Map Services. Then we illustrate the service architecture, the design and implementation of its major components. We will focus our discussion of how the visualization system of the Strand Map Services supports the visual knowledge navigation for distributed digital libraries. This includes the knowledge acquisition of the conceptual browsing interfaces, different knowledge representations in the system perspective and user interface perspective, visualization system modules, algorithm and web services integration to use visual knowledge navigation to enhance resource discovery in digital libraries.

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Reference

[1] Ahmad, F., 2004. A Strand Map Service for Educational Digital Libraries. Unpublished Master’s Thesis, University of Colorado, Boulder.

[2] Batttista, G., 1998. Graph Drawing: Algorithms for Visualization of Graphs. Princeton Hall.

[3] Butcher, K.R., Bhushan, S., Sumner, T., 2005. Multimedia displays for conceptual search processes: information seeking with Strand Maps. Submitted to ACM Multimedia Journal.

[4] DCMI (Dublin Core Metadata Initiative), 2003. Dublin Core Metadata. http://dublincore.org/documents/dces/.

[5] Gu, Q.Y., Ahmad, F., Molina, F., Sumner, T., 2004. Dynamically Generating Conceptual Browsing Interfaces for Digital Libraries Using SVG. 3rd Annual Conference on Scalable Vector Graphics, Tokyo, Japan.

[6] Hall, R.H., Hall, M.A., Saling, C.B., 1999. The effects of graphical postorganization strategies on learning from knowledge maps. Journal of Experimental Education, 67(2):101-112.

[7] Marshall, B., Zhang, Y.W., Shen, R., Fox, E., Cassel, L.N., 2003. Convergence of Knowledge Management and E-Learning: the GetSmart Experience. Proceedings Joint Conference on Digital Libraries, Houston, TX.

[8] O’Donnell, A.M., Donald, F.D., Richard, H.H., 2002. Knowledge maps as scaffolds for cognitive processing. Educational Psychology Review, 14:71-89.

[9] Project 2061, AAAS (American Association for the Advancement of Science), 1993. AAAS Benchmarks for Science Literacy. Oxford University Press, New York.

[10] Project 2061, AAAS & NSTA (American Association for the Advancement of Science, and the National Science Teachers Association), 2001. AAAS Atlas of Science Literacy. NSTA Press, Washington, DC.

[11] Sonal, B., 2004. Designing Visual Components for Conceptual Browsing Interfaces. Master’s Thesis, University of Colorado at Boulder.

[12] Sumner, T., Bhushan, S., Ahmad, F., Gu, Q.Y., 2003. Designing a Language for Creating Conceptual Browsing Interfaces for Digital Libraries. Proceedings of the third ACM/IEEE-CS Joint Conference on Digital Libraries, JCDL 2003, Houston.

[13] Sumner, T., Ahmad, F., Bhushan, S., Gu, Q.Y., Molina, F., Willard, S., Wright, M., Davis, L., Janee, G., 2004. A Web service interface for creating concept browsing interfaces. D-Lib Magazine, 10(11).

[14] Tollis, I., 1999. Graph Drawing and Information Visualization. ACM Computer Surveys.

[15] Tufte, E.R., 1990. Envisioning Information. Graphics Press.

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