Author | Title | Year | Journal/Proceedings | Reftype | DOI/URL |
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Berendt, B., Hotho, A. & Stumme, G. | Bridging the Gap--Data Mining and Social Network Analysis for Integrating Semantic Web and Web 2.0 [BibTeX] |
2010 | Web Semantics: Science, Services and Agents on the World Wide Web Vol. 8(2-3), pp. 95 - 96 |
article | DOI URL |
BibTeX:
@article{berendt2010bridging, author = {Berendt, Bettina and Hotho, Andreas and Stumme, Gerd}, title = {Bridging the Gap--Data Mining and Social Network Analysis for Integrating Semantic Web and Web 2.0}, journal = {Web Semantics: Science, Services and Agents on the World Wide Web}, year = {2010}, volume = {8}, number = {2-3}, pages = {95 - 96}, note = {Bridging the Gap--Data Mining and Social Network Analysis for Integrating Semantic Web and Web 2.0; The Future of Knowledge Dissemination: The Elsevier Grand Challenge for the Life Sciences}, url = {http://www.sciencedirect.com/science/article/B758F-4YXK4HW-1/2/4cb514565477c54160b5e6eb716c32d7}, doi = {DOI: 10.1016/j.websem.2010.04.008} } |
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Hotho, A., Benz, D., Eisterlehner, F., Jäschke, R., Krause, B., Schmitz, C. & Stumme, G. | Publikationsmanagement mit BibSonomy -- ein Social-Bookmarking-System für Wissenschaftler | 2010 | HMD -- Praxis der Wirtschaftsinformatik Vol. Heft 271, pp. 47-58 |
article | |
Abstract: Kooperative Verschlagwortungs- bzw. Social-Bookmarking-Systeme wie Delicious, Mister Wong oder auch unser eigenes System BibSonomy erfreuen sich immer größerer Beliebtheit und bilden einen zentralen Bestandteil des heutigen Web 2.0. In solchen Systemen erstellen Nutzer leichtgewichtige Begriffssysteme, sogenannte Folksonomies, die die Nutzerdaten strukturieren. Die einfache Bedienbarkeit, die Allgegenwärtigkeit, die ständige Verfügbarkeit, aber auch die Möglichkeit, Gleichgesinnte spontan in solchen Systemen zu entdecken oder sie schlicht als Informationsquelle zu nutzen, sind Gründe für ihren gegenwärtigen Erfolg. Der Artikel führt den Begriff Social Bookmarking ein und diskutiert zentrale Elemente (wie Browsing und Suche) am Beispiel von BibSonomy anhand typischer Arbeitsabläufe eines Wissenschaftlers. Wir beschreiben die Architektur von BibSonomy sowie Wege der Integration und Vernetzung von BibSonomy mit Content-Management-Systemen und Webauftritten. Der Artikel schließt mit Querbezügen zu aktuellen Forschungsfragen im Bereich Social Bookmarking. | |||||
BibTeX:
@article{hotho2010publikationsmanagement, author = {Hotho, Andreas and Benz, Dominik and Eisterlehner, Folke and Jäschke, Robert and Krause, Beate and Schmitz, Christoph and Stumme, Gerd}, title = {Publikationsmanagement mit BibSonomy -- ein Social-Bookmarking-System für Wissenschaftler}, journal = {HMD -- Praxis der Wirtschaftsinformatik}, year = {2010}, volume = {Heft 271}, pages = {47-58} } |
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Körner, C., Benz, D., Strohmaier, M., Hotho, A. & Stumme, G. | Stop Thinking, start Tagging - Tag Semantics emerge from Collaborative Verbosity | 2010 | Proceedings of the 19th International World Wide Web Conference (WWW 2010) | inproceedings | URL |
Abstract: Recent research provides evidence for the presence of emergent semantics in collaborative tagging systems. While several methods have been proposed, little is known about the factors that influence the evolution of semantic structures in these systems. A natural hypothesis is that the quality of the emergent semantics depends on the pragmatics of tagging: Users with certain usage patterns might contribute more to the resulting semantics than others. In this work, we propose several measures which enable a pragmatic differentiation of taggers by their degree of contribution to emerging semantic structures. We distinguish between categorizers, who typically use a small set of tags as a replacement for hierarchical classification schemes, and describers, who are annotating resources with a wealth of freely associated, descriptive keywords. To study our hypothesis, we apply semantic similarity measures to 64 different partitions of a real-world and large-scale folksonomy containing different ratios of categorizers and describers. Our results not only show that ‘verbose’ taggers are most useful for the emergence of tag semantics, but also that a subset containing only 40% of the most ‘verbose’ taggers can produce results that match and even outperform the semantic precision obtained from the whole dataset. Moreover, the results suggest that there exists a causal link between the pragmatics of tagging and resulting emergent semantics. This work is relevant for designers and analysts of tagging systems interested (i) in fostering the semantic development of their platforms, (ii) in identifying users introducing “semantic noise”, and (iii) in learning ontologies. | |||||
BibTeX:
@inproceedings{koerner2010thinking, author = {Körner, Christian and Benz, Dominik and Strohmaier, Markus and Hotho, Andreas and Stumme, Gerd}, title = {Stop Thinking, start Tagging - Tag Semantics emerge from Collaborative Verbosity}, booktitle = {Proceedings of the 19th International World Wide Web Conference (WWW 2010)}, publisher = {ACM}, year = {2010}, url = {http://www.kde.cs.uni-kassel.de/benz/papers/2010/koerner2010thinking.pdf} } |
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Mitzlaff, F., Benz, D., Stumme, G. & Hotho, A. | Visit me, click me, be my friend: An analysis of evidence networks of user relationships in Bibsonomy [BibTeX] |
2010 | Proceedings of the 21st ACM conference on Hypertext and hypermedia | inproceedings | |
BibTeX:
@inproceedings{eisterlehner2010visit, author = {Mitzlaff, Folke and Benz, Dominik and Stumme, Gerd and Hotho, Andreas}, title = {Visit me, click me, be my friend: An analysis of evidence networks of user relationships in Bibsonomy}, booktitle = {Proceedings of the 21st ACM conference on Hypertext and hypermedia}, year = {2010} } |
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Cattuto, C., Benz, D., Hotho, A. & Stumme, G. | Semantic Grounding of Tag Relatedness in Social Bookmarking Systems | 2008 | The Semantic Web - ISWC 2008 Vol. 5318The Semantic Web - ISWC 2008, pp. 615-631 |
incollection | DOI URL |
Abstract: Collaborative tagging systems have nowadays become important data sources for populating semantic web applications. For tasks like synonym detection and discovery of concept hierarchies, many researchers introduced measures of tag similarity. Even though most of these measures appear very natural, their design often seems to be rather ad hoc, and the underlying assumptions on the notion of similarity are not made explicit. A more systematic characterization and validation of tag similarity in terms of formal representations of knowledge is still lacking. Here we address this issue and analyze several measures of tag similarity: Each measure is computed on data from the social bookmarking system del.icio.us and a semantic grounding is provided by mapping pairs of similar tags in the folksonomy to pairs of synsets in Wordnet, where we use validated measures of semantic distance to characterize the semantic relation between the mapped tags. This exposes important features of the investigated similarity measures and indicates which ones are better suited in the context of a given semantic application. | |||||
BibTeX:
@incollection{tagging-cattuto, author = {Cattuto, Ciro and Benz, Dominik and Hotho, Andreas and Stumme, Gerd}, title = {Semantic Grounding of Tag Relatedness in Social Bookmarking Systems}, booktitle = {The Semantic Web - ISWC 2008}, journal = {The Semantic Web - ISWC 2008}, publisher = {Springer Berlin / Heidelberg}, year = {2008}, volume = {5318}, pages = {615--631}, url = {http://tagora-project.eu/wp-content/2009/09/cattuto_iswc2008.pdf}, doi = {http://dx.doi.org/10.1007/978-3-540-88564-1\_39} } |
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Hoser, B., Hotho, A., Jäschke, R., Schmitz, C. & Stumme, G. | Semantic Network Analysis of Ontologies | 2006 | Vol. 4011The Semantic Web: Research and Applications, pp. 514-529 |
inproceedings | URL |
Abstract: A key argument for modeling knowledge in ontologies is the easy -use and re-engineering of the knowledge. However, beside nsistency checking, current ontology engineering tools provide ly basic functionalities for analyzing ontologies. Since tologies can be considered as (labeled, directed) graphs, graph alysis techniques are a suitable answer for this need. Graph alysis has been performed by sociologists for over 60 years, and sulted in the vivid research area of Social Network Analysis NA). While social network structures in general currently receive gh attention in the Semantic Web community, there are only very w SNA applications up to now, and virtually none for analyzing the ructure of ontologies. e illustrate in this paper the benefits of applying SNA to |
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BibTeX:
@inproceedings{hoser2006semantic, author = {Hoser, Bettina and Hotho, Andreas and Jäschke, Robert and Schmitz, Christoph and Stumme, Gerd}, title = {Semantic Network Analysis of Ontologies}, booktitle = {The Semantic Web: Research and Applications}, publisher = {Springer}, year = {2006}, volume = {4011}, pages = {514-529}, url = {http://www.kde.cs.uni-kassel.de/stumme/papers/2006/hoser2006semantic.pdf} } |
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Strube, M. & Ponzetto, S.P. | WikiRelate! computing semantic relatedness using wikipedia | 2006 | proceedings of the 21st national conference on Artificial intelligence - Volume 2, pp. 1419-1424 | inproceedings | URL |
Abstract: Wikipedia provides a knowledge base for computing word relatedness in a more structured fashion than a search engine and with more coverage than WordNet. In this work we present experiments on using Wikipedia for computing semantic relatedness and compare it to WordNet on various benchmarking datasets. Existing relatedness measures perform better using Wikipedia than a baseline given by Google counts, and we show that Wikipedia outperforms WordNet when applied to the largest available dataset designed for that purpose. The best results on this dataset are obtained by integrating Google, WordNet and Wikipedia based measures. We also show that including Wikipedia improves the performance of an NLP application processing naturally occurring texts. | |||||
BibTeX:
@inproceedings{Strube:2006:WCS:1597348.1597414, author = {Strube, Michael and Ponzetto, Simone Paolo}, title = {WikiRelate! computing semantic relatedness using wikipedia}, booktitle = {proceedings of the 21st national conference on Artificial intelligence - Volume 2}, publisher = {AAAI Press}, year = {2006}, pages = {1419--1424}, url = {http://dl.acm.org/citation.cfm?id=1597348.1597414} } |
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Stumme, G., Hotho, A. & Berendt, B. | Semantic Web Mining - State of the Art and Future Directions | 2006 | Journal of Web Semantics Vol. 4(2), pp. 124-143 |
article | URL |
Abstract: SemanticWeb Mining aims at combining the two fast-developing research areas SemanticWeb andWeb Mining. is survey analyzes the convergence of trends from both areas: an increasing number of researchers is working on proving the results ofWeb Mining by exploiting semantic structures in theWeb, and they make use ofWeb Mining chniques for building the Semantic Web. Last but not least, these techniques can be used for mining the Semantic b itself. e Semantic Web is the second-generation WWW, enriched by machine-processable information which supports e user in his tasks. Given the enormous size even of today’s Web, it is impossible to manually enrich all of ese resources. Therefore, automated schemes for learning the relevant information are increasingly being used. b Mining aims at discovering insights about the meaning of Web resources and their usage. Given the primarily ntactical nature of the data being mined, the discovery of meaning is impossible based on these data only. Therefore, rmalizations of the semantics of Web sites and navigation behavior are becoming more and more common. rthermore, mining the Semantic Web itself is another upcoming application. We argue that the two areas Web ning and Semantic Web need each other to fulfill their goals, but that the full potential of this convergence is not t realized. This paper gives an overview of where the two areas meet today, and sketches ways of how a closer tegration could be profitable. |
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BibTeX:
@article{jws2006Semantic, author = {Stumme, Gerd and Hotho, Andreas and Berendt, Bettina}, title = {Semantic Web Mining - State of the Art and Future Directions}, journal = {Journal of Web Semantics}, publisher = {Elsevier}, year = {2006}, volume = {4}, number = {2}, pages = {124-143}, url = {http://www.kde.cs.uni-kassel.de/stumme/papers/2006/stumme2006semantic.pdf} } |
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Berendt, B., Hotho, A., Mladenic, D., van Someren, M., Spiliopoulou, M. & Stumme, G. | A Roadmap for Web Mining: From Web to Semantic Web. | 2004 | Vol. 3209Web Mining: From Web to Semantic Web, pp. 1-22 |
inproceedings | URL |
Abstract: The purpose of Web mining is to develop methods and systems for discovering models of objects and processes on the World Wide Web and for web-based systems that show adaptive performance. Web Mining integrates three parent areas: Data Mining (we use this term here also for the closely related areas of Machine Learning and Knowledge Discovery), Internet technology and World Wide Web, and for the more recent Semantic Web. The World Wide Web has made an enormous amount of information electronically accessible. The use of email, news and markup languages like HTML allow users to publish and read documents at a world-wide scale and to communicate via chat connections, including information in the form of images and voice records. The HTTP protocol that enables access to documents over the network via Web browsers created an immense improvement in communication and access to information. For some years these possibilities were used mostly in the scientific world but recent years have seen an immense growth in popularity, supported by the wide availability of computers and broadband communication. The use of the internet for other tasks than finding information and direct communication is increasing, as can be seen from the interest in ldquoe-activitiesrdquo such as e-commerce, e-learning, e-government, e-science. | |||||
BibTeX:
@inproceedings{berendt2004roadmap, author = {Berendt, Bettina and Hotho, Andreas and Mladenic, Dunja and van Someren, Maarten and Spiliopoulou, Myra and Stumme, Gerd}, title = {A Roadmap for Web Mining: From Web to Semantic Web.}, booktitle = {Web Mining: From Web to Semantic Web}, publisher = {Springer}, year = {2004}, volume = {3209}, pages = {1-22}, url = {http://www.kde.cs.uni-kassel.de/stumme/papers/2004/berendt2004roadmap.pdf} } |
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Berendt, B., Hotho, A. & Stumme, G. | Usage Mining for and on the Semantic Web | 2004 | Data Mining Next Generation Challenges and Future Directions, pp. 461-481 | incollection | URL |
Abstract: Semantic Web Mining aims at combining the two fast-developing
search areas Semantic Web and Web Mining. b Mining aims at discovering insights about the meaning of Web sources and their usage. Given the primarily syntactical nature data Web mining operates on, the discovery of meaning is possible based on these data only. Therefore, formalizations of e semantics of Web resources and navigation behavior are creasingly being used. This fits exactly with the aims of the mantic Web: the Semantic Web enriches the WWW by chine-processable information which supports the user in his sks. In this paper, we discuss the interplay of the Semantic Web th Web Mining, with a specific focus on usage mining. |
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BibTeX:
@incollection{berendt04usage, author = {Berendt, Bettina and Hotho, Andreas and Stumme, Gerd}, title = {Usage Mining for and on the Semantic Web}, booktitle = {Data Mining Next Generation Challenges and Future Directions}, publisher = {AAAI Press}, year = {2004}, pages = {461-481}, url = {http://www.kde.cs.uni-kassel.de/stumme/papers/2004/berendt04usage.pdf} } |
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Web Mining: From Web to Semantic Web, First European Web
Mining Forum, EMWF 2003, Cavtat-Dubrovnik, Croatia, September
22, 2003, Revised Selected and Invited Papers [BibTeX] |
2004 | Vol. 3209 |
proceedings | URL | |
BibTeX:
@proceedings{berendt2004web,, title = {Web Mining: From Web to Semantic Web, First European Web |
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Tane, J., Schmitz, C. & Stumme, G. | Semantic resource management for the web: an e-learning application [BibTeX] |
2004 | Proc. 13th International World Wide Web Conference (WWW 2004), pp. 1-10 | inproceedings | URL |
BibTeX:
@inproceedings{tane04semantic, author = {Tane, Julien and Schmitz, Christoph and Stumme, Gerd}, title = {Semantic resource management for the web: an e-learning application}, booktitle = {Proc. 13th International World Wide Web Conference (WWW 2004)}, year = {2004}, pages = {1-10}, url = {http://www.www2004.org/proceedings/docs/2p1.pdf} } |
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Agarwal, S., Fankhauser, P., Gonzalez-Ollala, J., Hartmann, J., Hollfelder, S., Jameson, A., Klink, S., Lehti, P., Ley, M., Rabbidge, E., Schwarzkopf, E., Shrestha, N., Stojanovic, N., Studer, R., Stumme, G. & Walter, B. | Semantic Methods and Tools for Information Portals | 2003 | Vol. 34INFORMATIK 2003 -- Innovative Informatikanwendungen (Band 1), pp. 116-131 |
inproceedings | URL |
Abstract: The paper describes a set of approaches for representing and
cessing information within a semantically structured information rtal, while offering the possibility to integrate own formation. It discusses research performed within the project emantic Methods and Tools for Information Portals (SemIPort)'. particular, it focuses on (1) the development of scalable oring, processing and querying methods for semantic data, (2) sualization and browsing of complex data inventories, (3) rsonalization and agent-based interaction, and (4) the hancement of web mining approaches for use within a mantics-based portal. |
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BibTeX:
@inproceedings{agarwal03semantic, author = {Agarwal, Sudhir and Fankhauser, Peter and Gonzalez-Ollala, Jorge and Hartmann, Jens and Hollfelder, Silvia and Jameson, Anthony and Klink, Stefan and Lehti, Patrick and Ley, Michael and Rabbidge, Emma and Schwarzkopf, Eric and Shrestha, Nitesh and Stojanovic, Nenad and Studer, Rudi and Stumme, Gerd and Walter, Bernd}, title = {Semantic Methods and Tools for Information Portals}, booktitle = {INFORMATIK 2003 -- Innovative Informatikanwendungen (Band 1)}, publisher = {Gesellschaft für Informatik}, year = {2003}, volume = {34}, pages = {116-131}, url = {http://www.kde.cs.uni-kassel.de/stumme/papers/2003/agarwal2003semantic.pdf} } |
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Hotho, A., Staab, S. & Stumme, G. | Text Clustering Based on Background Knowledge | 2003 | Vol. 425 |
techreport | URL |
Abstract: Text document clustering plays an important role in providing intuitive
vigation and browsing mechanisms by organizing large amounts of information to a small number of meaningful clusters. Standard partitional or agglomerative ustering methods efficiently compute results to this end. wever, the bag of words representation used for these clustering methods is often satisfactory as it ignores relationships between important terms that do not -occur literally. Also, it is mostly left to the user to find out why a particular partitioning s been achieved, because it is only specified extensionally. In order to al with the two problems, we integrate background knowledge into the process of ustering text documents. rst, we preprocess the texts, enriching their representations by background knowledge ovided in a core ontology — in our application Wordnet. Then, we cluster e documents by a partitional algorithm. Our experimental evaluation on Reuters wsfeeds compares clustering results with pre-categorizations of news. In the experiments, provements of results by background knowledge compared to the baseline n be shown for many interesting tasks. cond, the clustering partitions the large number of documents to a relatively small mber of clusters, which may then be analyzed by conceptual clustering. In our approach, applied Formal Concept Analysis. Conceptual clustering techniques are own to be too slow for directly clustering several hundreds of documents, but they ve an intensional account of cluster results. They allow for a concise description commonalities and distinctions of different clusters. With background knowledge ey even find abstractions like “food” (vs. specializations like “beef” or “corn”). us, in our approach, partitional clustering reduces first the size of the problem ch that it becomes tractable for conceptual clustering, which then facilitates the derstanding of the results. |
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BibTeX:
@techreport{hotho03textclustering, author = {Hotho, Andreas and Staab, Steffen and Stumme, Gerd}, title = {Text Clustering Based on Background Knowledge}, year = {2003}, volume = {425}, url = {http://www.kde.cs.uni-kassel.de/stumme/papers/2003/hotho2003text.pdf} } |
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Semantic Web Mining. Proc. of the Semantic Web Mining Workshop of the 13th Europ. Conf. on
Machine Learning (ECML'02) / 6th Europ. Conf. on Principles and
Practice of Knowledge Discovery in Databases (PKDD'02) [BibTeX] |
2002 | proceedings | URL | ||
BibTeX:
@proceedings{berendt02semantic,, title = {Semantic Web Mining. Proc. of the Semantic Web Mining Workshop of the 13th Europ. Conf. on |
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Berendt, B., Hotho, A. & Stumme, G. | Towards Semantic Web Mining [BibTeX] |
2002 | The Semantic Web -- ISWC 2002, pp. 264-278 | inproceedings | URL |
BibTeX:
@inproceedings{berendt02towards, author = {Berendt, B. and Hotho, A. and Stumme, G.}, title = {Towards Semantic Web Mining}, booktitle = {The Semantic Web -- ISWC 2002}, publisher = {Springer}, year = {2002}, pages = {264-278}, url = {http://www.kde.cs.uni-kassel.de/stumme/papers/2002/ISWC02.pdf} } |
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Bozsak, E., Ehrig, M., Handschuh, S., Hotho, A., Maedche, A., Motik, B., Oberle, D., Schmitz, C., Staab, S., Stojanovic, L., Stojanovic, N., Studer, R., Stumme, G., Sure, Y., Tane, J., Volz, R. & Zacharias, V. | KAON - Towards a large scale Semantic Web [BibTeX] |
2002 | Vol. 2455Proceedings of the Third International Conference on E-Commerce and Web Technologies (EC-Web 2002), Aix-en-Provence, France, pp. 304-313 |
inproceedings | URL |
BibTeX:
@inproceedings{bozsak2002towards, author = {Bozsak, E. and Ehrig, Marc and Handschuh, Siegfried and Hotho, Andreas and Maedche, Alexander and Motik, Boris and Oberle, Daniel and Schmitz, Christoph and Staab, Steffen and Stojanovic, Ljiljana and Stojanovic, Nenad and Studer, Rudi and Stumme, Gerd and Sure, York and Tane, Julien and Volz, Raphael and Zacharias, Valentin}, title = {KAON - Towards a large scale Semantic Web}, booktitle = {Proceedings of the Third International Conference on E-Commerce and Web Technologies (EC-Web 2002), Aix-en-Provence, France}, publisher = {Springer}, year = {2002}, volume = {2455}, pages = {304-313}, url = {http://www.aifb.uni-karlsruhe.de/WBS/ysu/publications/2002_ecweb_kaon.pdf} } |
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Gonzalez-Olalla, J. & Stumme, G. | Semantic Methods and Tools for Information Portals - The SemIPort Project (Project Description) [BibTeX] |
2002 | Semantic Web Mining. Proc. of the Semantic Web Mining Workshop of the 13th Europ. Conf., pp. 90 | inproceedings | URL |
BibTeX:
@inproceedings{gonzalez02semantic, author = {Gonzalez-Olalla, J. and Stumme, G.}, title = {Semantic Methods and Tools for Information Portals - The SemIPort Project (Project Description)}, booktitle = {Semantic Web Mining. Proc. of the Semantic Web Mining Workshop of the 13th Europ. Conf.}, year = {2002}, pages = {90}, url = {http://www.kde.cs.uni-kassel.de/stumme/papers/2002/gonzalez2002semantic.pdf} } |
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Stumme, G., Berendt, B. & Hotho, A. | Usage Mining for and on the Semantic Web [BibTeX] |
2002 | Proc. NSF Workshop on Next Generation Data Mining, pp. 77-86 | inproceedings | URL |
BibTeX:
@inproceedings{stumme02usage, author = {Stumme, G. and Berendt, B. and Hotho, A.}, title = {Usage Mining for and on the Semantic Web}, booktitle = {Proc. NSF Workshop on Next Generation Data Mining}, year = {2002}, pages = {77-86}, url = {http://www.kde.cs.uni-kassel.de/stumme/papers/2002/NSF-NGDM02.pdf} } |
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Stumme, G. | Using Ontologies and Formal Concept Analysis for Organizing Business Knowledge [BibTeX] |
2002 | Wissensmanagement mit Referenzmodellen -- Konzepte für die Anwendungssystem- und Organisationsgestaltung, pp. 163-174 | incollection | URL |
BibTeX:
@incollection{stumme02using, author = {Stumme, G.}, title = {Using Ontologies and Formal Concept Analysis for Organizing Business Knowledge}, booktitle = {Wissensmanagement mit Referenzmodellen -- Konzepte für die Anwendungssystem- und Organisationsgestaltung}, publisher = {Physica}, year = {2002}, pages = {163-174}, url = {http://www.kde.cs.uni-kassel.de/stumme/papers/2001/REFMOD01.ps} } |
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