[1]	Cordeiro M I, Slavic A. From the index card to the World City: Knowledge organization and visualization in the work and ideas of Paul Otlet[C]//Proceedings of the International UDC Seminar 2013.Würzburg:Ergon Verlag, 2013:1-42. Cited in this article [1]

[2]	Weingart S B. From trees to Webs: Uprooting knowledge through visualization[C]//Proceedings of the International UDC Seminar 2013. Würzburg: Ergon Verlag,2013:43-58. Cited in this article [1]

[3]	Heuvel C, Smiraglia R P. Visualizing knowledge interaction in the multiverse of knowledge[C]//Proceedings of the International UDC Seminar 2013. Würzburg:Ergon Verlag, 2013:59-72. Cited in this article [1]

[4]	Xia Lin, Ahn J W. Challenges of knowledge structure visualization[C]//Proceedings of the International UDC Seminar 2013. Würzburg: Ergon Verlag, 2013:73-88. Cited in this article [1]

[5]	Manovich L. Looking at one million images: How visualization of big cultural data helps us to unlearn our cultural categories[C]//Proceedings of the International UDC Seminar 2013.Würzburg:Ergon Verlag,2013:89-90. Cited in this article [1]

[6]	Pinède N, Véronique L. How can users get the gist of a taxonomy using tag clouds? [C]//Proceedings of the International UDC Seminar 2013. Würzburg: Ergon Verlag, 2013:105-120. Cited in this article [1]

[7]	Barre K L. Sempre avanti? Some reflections on faceted interfaces[C]//Proceedings of the International UDC Seminar 2013. Würzburg: Ergon Verlag, 2013:91-104 Cited in this article [1]

[8]	Rosati L. How to design interfaces for choice: Hick-Hyman law and classification for information architecture[C]//Proceedings of the International UDC Seminar 2013.Würzburg: Ergon Verlag, 2013:121-134. Cited in this article [1]

[9]	Resmini A. Ghost in the shell: Navigation, meaning and place-making in information space[C]//Proceedings of the International UDC Seminar 2013. Würzburg:Ergon Verlag, 2013:135-137. Cited in this article [1]

[10]	Yang Bin, Ganascia J-G. Memory islands: An approach to cartographic visualization[C]//Proceedings of the International UDC Seminar 2013.Würzburg:Ergon Verlag, 2013:137-152. Cited in this article [1]

[11]	Hienert D,Wegener D,Schomisch S. Exploring semantically-related concepts from Wikipedia: The case of SeRE[C]//Proceedings of the International UDC Seminar 2013.Würzburg:Ergon Verlag,2013:153-166. Cited in this article [1]

[12]	Rodighiero D,Michelis G D. The Homer’s list or how classifications can be displayed on tablets[C]//Proceedings of the International UDC Seminar 2013. Würzburg: Ergon Verlag,2013:167-176. Cited in this article [1]

[13]	Fang Wei, Bu Shuqing, Zou Qing. Semantic visualization for subject authority data of Chinese Classified Thesaurus[C]//Proceedings of the International UDC Seminar 2013.Würzburg:Ergon Verlag,2013:191-206. Cited in this article [1]

[14]	Razpotnik Š,Šauperl A. Enhancing user browsing success through visualization of indexing terms[C]//Proceedings of the International UDC Seminar 2013.Würzburg:Ergon Verlag,2013:207-224. Cited in this article [1]

[15]	Gnoli C,Cheti A. Sorting documents by base theme with synthetic classification: The double query method[C]//Proceedings of the International UDC Seminar 2013.Würzburg:Ergon Verlag,2013:225-232. Cited in this article [1]

[16]	Worring M. Easy categorisation of large image collections by automatic analysis and information visualization[C]// Proceedings of the International UDC Seminar 2013. Würzburg:Ergon Verlag,2013:233-235. Cited in this article [1]

[17]	Battles M,Loukissas Y. Data artefacts:Tracking knowledge-ordering conflicts through visualization[C]// Proceedings of the International UDC Seminar 2013. Würzburg: Ergon Verlag,2013:236-243. Cited in this article [1]

[18]	Smiraglia R,Scharnhorst A, Salah A A,etal.UDC in action[C]//Proceedings of the International UDC Seminar 2013.Würzburg: Ergon Verlag, 2013:244-259. Cited in this article [1]