We focus on face-to-face contact networks collected at different conferences using the social conference guidance system Conferator. Specifically, we investigate the strength of ties and its connection to triadic closures in face-to-face proximity networks. Furthermore, we analyze the predictability of all, new and recurring links at different points of time during the conference. In addition, we consider network dynamics for the prediction of new links. ER - TY - JOUR AU - Berendt, Bettina AU - Hotho, Andreas AU - Stumme, Gerd T1 - Bridging the Gap--Data Mining and Social Network Analysis for Integrating Semantic Web and Web 2.0 JO - Web Semantics: Science, Services and Agents on the World Wide Web PY - 2010/ VL - 8 IS - 2-3 SP - 95 EP - 96 UR - http://www.sciencedirect.com/science/article/B758F-4YXK4HW-1/2/4cb514565477c54160b5e6eb716c32d7 M3 - DOI: 10.1016/j.websem.2010.04.008 KW - 2010 KW - data KW - introduction KW - itegpub KW - l3s KW - mining KW - myown KW - network KW - semantic KW - social KW - unik KW - web L1 - SN - N1 - N1 - AB - ER - TY - CONF AU - Krause, Beate AU - Jäschke, Robert AU - Hotho, Andreas AU - Stumme, Gerd A2 - T1 - Logsonomy - Social Information Retrieval with Logdata T2 - HT '08: Proceedings of the Nineteenth ACM Conference on Hypertext and Hypermedia PB - ACM CY - New York, NY, USA PY - 2008/ M2 - VL - IS - SP - 157 EP - 166 UR - http://portal.acm.org/citation.cfm?id=1379092.1379123&coll=ACM&dl=ACM&type=series&idx=SERIES399&part=series&WantType=Journals&title=Proceedings%20of%20the%20nineteenth%20ACM%20conference%20on%20Hypertext%20and%20hypermedia M3 - http://doi.acm.org/10.1145/1379092.1379123 KW - 2.0 KW - 2008 KW - analysis KW - folksonomy KW - information KW - itegpub KW - logsonomy KW - myown KW - network KW - retrieval KW - search KW - social KW - tagorapub KW - web KW - web2.0 KW - web20 L1 - SN - 978-1-59593-985-2 N1 - N1 - AB - Social bookmarking systems constitute an established
part of the Web 2.0. In such systems
users describe bookmarks by keywords
called tags. The structure behind these social
systems, called folksonomies, can be viewed
as a tripartite hypergraph of user, tag and resource
nodes. This underlying network shows
specific structural properties that explain its
growth and the possibility of serendipitous
exploration.
Today’s search engines represent the gateway
to retrieve information from the World Wide
Web. Short queries typically consisting of
two to three words describe a user’s information
need. In response to the displayed
results of the search engine, users click on
the links of the result page as they expect
the answer to be of relevance.
This clickdata can be represented as a folksonomy
in which queries are descriptions of
clicked URLs. The resulting network structure,
which we will term logsonomy is very
similar to the one of folksonomies. In order
to find out about its properties, we analyze
the topological characteristics of the tripartite
hypergraph of queries, users and bookmarks
on a large snapshot of del.icio.us and
on query logs of two large search engines.
All of the three datasets show small world
properties. The tagging behavior of users,
which is explained by preferential attachment
of the tags in social bookmark systems, is
reflected in the distribution of single query
words in search engines. We can conclude
that the clicking behaviour of search engine
users based on the displayed search results
and the tagging behaviour of social bookmarking
users is driven by similar dynamics. ER - TY - JOUR AU - Cattuto, Ciro AU - Schmitz, Christoph AU - Baldassarri, Andrea AU - Servedio, Vito D. P. AU - Loreto, Vittorio AU - Hotho, Andreas AU - Grahl, Miranda AU - Stumme, Gerd T1 - Network Properties of Folksonomies JO - AI Communications Journal, Special Issue on ``Network Analysis in Natural Sciences and Engineering'' PY - 2007/ VL - 20 IS - 4 SP - 245 EP - 262 UR - http://www.kde.cs.uni-kassel.de/stumme/papers/2007/cattuto2007network.pdf M3 - KW - 2007 KW - emergent KW - fca KW - folksonomies KW - folksonomy KW - itegpub KW - l3s KW - myown KW - network KW - semantics KW - seminar2009 KW - tagorapub L1 - SN - N1 - Publications of Gerd Stumme N1 - AB - ER - TY - GEN AU - A2 - Alani, Harith A2 - Hoser, Bettina A2 - Schmitz, Christoph A2 - Stumme, Gerd T1 - Proceedings of the 2nd Workshop on Semantic Network Analysis JO - PB - AD - PY - 2006/ VL - IS - SP - EP - UR - http://www.kde.cs.uni-kassel.de/ws/sna2006/ M3 - KW - 2006 KW - Network KW - Semantic KW - analysis KW - eswc KW - l3s KW - myown KW - nepomuk KW - network KW - proceedings KW - semantic KW - workshop L1 - N1 - Publications of Gerd Stumme N1 - AB - ER - TY - CONF AU - Schmitz, Christoph AU - Hotho, Andreas AU - Jäschke, Robert AU - Stumme, Gerd A2 - Batagelj, V. A2 - Bock, H.-H. A2 - Ferligoj, A. A2 - Žiberna, A. T1 - Mining Association Rules in Folksonomies T2 - Data Science and Classification. Proceedings of the 10th IFCS Conf. PB - Springer CY - Heidelberg PY - 2006/07 M2 - VL - IS - SP - 261 EP - 270 UR - http://www.kde.cs.uni-kassel.de/stumme/papers/2006/schmitz2006mining.pdf M3 - KW - 2006 KW - analysis KW - fca KW - folksonomies KW - folksonomy KW - l3s KW - myown KW - nepomuk KW - network KW - semantic L1 - SN - N1 - Publications of Gerd Stumme N1 - AB - Social bookmark tools are rapidly emerging on the Web. In such
systems users are setting up lightweight conceptual structures
called folksonomies. These systems provide currently relatively few
structure. We discuss in this paper, how association rule mining
can be adopted to analyze and structure folksonomies, and how the results can be used
for ontology learning and supporting emergent semantics. We
demonstrate our approach on a large scale dataset stemming from an
online system. ER - TY - GEN AU - A2 - Stumme, Gerd A2 - Hoser, Bettina A2 - Schmitz, Christoph A2 - Alani, Harith T1 - Proceedings of the First Workshop on Semantic Network Analysis JO - PB - CEUR Proceedings AD - Aachen PY - 2005/ VL - IS - SP - EP - UR - http://sunsite.informatik.rwth-aachen.de/Publications/CEUR-WS/Vol-171/ M3 - KW - 2005 KW - analysis KW - iswc KW - itegpub KW - l3s KW - myown KW - nepomuk KW - network KW - proceedings KW - semantic KW - semna KW - sna KW - workshop L1 - N1 - Publications of Gerd Stumme N1 - AB - ER -