1Li J. On copyright protection for personal digital libraries [ C ]//The 9th Wuhan Intematioal Conference on E-busi- ness, 2010: 799--804.
2Meyyappan N, et al. An architecture of a user-centred digital library for the academic community [ C ]//Global Digital Library Development in the New Millennium : Fer- tile Ground for Distributed Cross-Disciplinary Collabora- tion, 2001 : 175-182.
3Marcos Goncalves, et al. Steams, structures, spaces, scenarios, s~ieties (5S) : A formal model for digitallibraries [J]. Transactions on Information Systems, 2004, 22 (2): 270--312.
4William C, et al. Uphb : a universal personal digital li- brary system [ C ]//In DocEng '03: Proceedings of the 2003 ACM symposium on Document engineering, 2003 : 234- 242.
5Jim Gemmell, et al. Mylifebits : fulfilling the memex vi- sion [C ]//In MULTIMEDIA '02 : Proceedings of the NY, 2002.
6Frmwiseo Alvarez-Cavazos, et al. Universal access ar- chitecture for digital libraries [C ]//In CASCON '05 : Pro- ceedings of the 2005 conference of the Centre for Advanced Studies on Collaborative research, 2005 : 12-- 28.
7Shihn-Yuarn Chen, et al. Architecture for personal digi- tal fibrary [ C ]//Proceedings of the 9th WSEAS Intema-tional Conference on Computers, Athens Greece, 2005 : 1--6.
8David L, et al. Personal digital libraries and knowledge management [ J ]. Journal of Universal Computer ~i- ~nce, 2001(7) : 550--565.
4Brusilovsky P,Cassel L N, Delcambre L M L Social navigation for educational digital libraries [ J ]. Procedia Computer Science,2010,1 (2) : 2889 -2897.
5Li J. On copyright protection for personal digital libraries [ C ]//9th Wuhan International Conference on E-business ,2010: 799-804.
6Safayent F,Derbentseva N,Ca-as A J. Concept maps: A theoretical note on concepts and the need for cyclic concept maps [ EB/OL]. [2012 -09 - 14]. http ://cmap. ihmc. us/Publications/ResearchPapers/Cyclic% 20Concept% 20Maps. pdf.
7Canas A J, Hill G, I.ott J. Support for constructing knowledge models in CmapTools [ EB/OL ]. [ 2012 - 09 - 14 ]. http :// cmap. ihmc. Tools. pdf. Support% 20for% 20Constructing% 20Knowledge% 20Models% 20in% 20Cmap.
8Persson O. The intellectual base and research fronts of jasis 1986 - 1990[ J ]. Journal of the American Society for Informa- tion Science,1994,45 ( 1 ) : 31 - 38.
9Chen C. CiteSpace Ⅱ: Detecting and visualizing emerging trends and transient patterns in scientific literature[ J ]. Journal of the American Society for Information Science and Technology,2006,57(3) : 359 -377.
10Dunn J W,Hollar S M. Proposal: Integrating licensed library resources with Sakai[ EB/OL]. [2012 - 10 - 15]. http:// dlib. indiana, edu/projectsdsakai/prcjectDoc/sakai_licensed_content__propesal, pdf.
