基本信息
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职业迁徙
个人简介
My research interest is Web Science, “the emergent science of the people, organizations, applications, and of policies that shape and are shaped by the Web, the largest informational artifact constructed by humans in history” (from the call for papers of the ACM Web Science conference). Thereby, my research is situated in computer science, with multi-disciplinary connections to psychology, sociology, economics, and the digital humanities.
More specifically, together with colleagues from the Leibniz Research Alliance Science 2.0, I am investigating, how the (social) web is changing the research landscape and how it can improve communication, collaboration, participation, and open discourse.
I am also leading the development of the collaborative tagging system BibSonomy, which is both a valuable tool for researchers to organize their literature as well as a test-bed for our methods and results. In that context, I am interested in the development and integration of recommendation methods for tags and scientific publications for social bookmarking systems. Further topics of interest include citation and link analysis, entity matching and resolution, and social network analysis.
I extensively leverage big data technologies like Hadoop, HBase, Drill, or Elasticsearch for my research, e.g., to analyze crawled web pages of universities in the context of Science 2.0. Therefore, I have designed a dedicated cluster system for L3S Research Center, consisting of 40 nodes with an overall disk space of 1 Petabyte and 400 CPU cores. Since 2013 the first stages are installed and I am managing the operation and further extension of the cluster.
Publications
My publications
Top Publications
S. Doerfel, R. Jäschke, and G. Stumme, "The Role of Cores in Recommender Benchmarking for Social Bookmarking Systems," ACM Transactions on Intelligent Systems and Technology vol. 7, pp. 40:1–40:33, Feb. 2016. PDF
L. Balby Marinho, A. Hotho, R. Jäschke, A. Nanopoulos, S. Rendle, L. Schmidt-Thieme, G. Stumme, and P. Symeonidis, Recommender Systems for Social Tagging Systems. SpringerBriefs in Electrical and Computer Engineering, Springer, Feb. 2012.
L. Balby Marinho, A. Nanopoulos, L. Schmidt-Thieme, R. Jäschke, A. Hotho, G. Stumme, and P. Symeonidis, "Social tagging recommender systems," in Recommender Systems Handbook (F. Ricci, L. Rokach, B. Shapira, and P. B. Kantor, eds.), pp. 615–644, Springer, 2011.
D. Benz, A. Hotho, R. Jäschke, B. Krause, F. Mitzlaff, C. Schmitz, and G. Stumme, "The social bookmark and publication management system BibSonomy," The VLDB Journal, vol. 19, pp. 849–875, Dec. 2010. PDF
R. Jäschke, A. Hotho, C. Schmitz, B. Ganter, and G. Stumme, "Discovering Shared Conceptualizations in Folksonomies," Web Semantics: Science, Services and Agents on the World Wide Web, vol. 6, pp. 38–53, Feb. 2008. PDF
研究兴趣
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ICNLSPpp.99-109, (2023)
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Frontiers in Artificial Intelligence (2022): 868249
Germanistische SymposienDigitale Literaturwissenschaftpp.777-812, (2022)
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LWDApp.213-226, (2022)
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ICNLSPpp.282-287, (2022)
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WADL (2022)
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