2017

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Structure-Aware Visualization of Text Corpora
Jaspreet Singh | Sergej Zerr | Stefan Siersdorfer
Proceedings of the 2017 Conference on Conference Human Information Interaction and Retrieval, CHIIR 2017, Oslo, Norway, March 7-11, 2017

2016

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Cobwebs from the Past and Present: Extracting Large Social Networks using Internet Archive Data
Miroslav Shaltev | Jan-Hendrik Zab | Philipp Kemkes | Stefan Siersdorfer | Sergej Zerr
Proceedings of the 39th International ACM SIGIR conference on Research and Development in Information Retrieval, SIGIR 2016, Pisa, Italy, July 17-21, 2016

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Just in Time: Controlling Temporal Performance in Crowdsourcing Competitions
Markus Rokicki | Sergej Zerr | Stefan Siersdorfer
Proceedings of the 25th International Conference on World Wide Web, WWW 2016, Montreal, Canada, April 11 - 15, 2016

2015

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Who With Whom And How?: Extracting Large Social Networks Using Search Engines
Stefan Siersdorfer | Philipp Kemkes | Hanno Ackermann | Sergej Zerr
Proceedings of the 24th ACM International Conference on Information and Knowledge Management, CIKM 2015, Melbourne, VIC, Australia, October 19 - 23, 2015

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Groupsourcing: Team Competition Designs for Crowdsourcing
Markus Rokicki | Sergej Zerr | Stefan Siersdorfer
Proceedings of the 24th International Conference on World Wide Web, WWW 2015, Florence, Italy, May 18-22, 2015

2014

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Analyzing and Mining Comments and Comment Ratings on the Social Web
Stefan Siersdorfer | Sergiu Chelaru | José San Pedro | Ismail Sengör Altingövde | Wolfgang Nejdl
2014 Volume 8 Issue 3

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NicePic!: a system for extracting attractive photos from flickr streams
Sergej Zerr | Stefan Siersdorfer | José San Pedro | Jonathon S. Hare | Xiaofei Zhu
The 37th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR '14, Gold Coast , QLD, Australia - July 06 - 11, 2014

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Competitive Game Designs for Improving the Cost Effectiveness of Crowdsourcing
Markus Rokicki | Sergiu Chelaru | Sergej Zerr | Stefan Siersdorfer
Proceedings of the 23rd ACM International Conference on Conference on Information and Knowledge Management, CIKM 2014, Shanghai, China, November 3-7, 2014

2013

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Analyzing, Detecting, and Exploiting Sentiment in Web Queries
Sergiu Chelaru | Ismail Sengör Altingövde | Stefan Siersdorfer | Wolfgang Nejdl
2013 Volume 8 Issue 1

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Temporal summarization of event-related updates in wikipedia
Mihai Georgescu | Dang Duc Pham | Nattiya Kanhabua | Sergej Zerr | Stefan Siersdorfer | Wolfgang Nejdl
22nd International World Wide Web Conference, WWW '13, Rio de Janeiro, Brazil, May 13-17, 2013, Companion Volume

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Extracting Event-Related Information from Article Updates in Wikipedia
Mihai Georgescu | Nattiya Kanhabua | Daniel Krause | Wolfgang Nejdl | Stefan Siersdorfer
Advances in Information Retrieval - 35th European Conference on IR Research, ECIR 2013, Moscow, Russia, March 24-27, 2013. Proceedings

2012

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Privacy-aware image classification and search
Sergej Zerr | Stefan Siersdorfer | Jonathon S. Hare | Elena Demidova
The 35th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '12, Portland, OR, USA, August 12-16, 2012

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PicAlert!: a system for privacy-aware image classification and retrieval
Sergej Zerr | Stefan Siersdorfer | Jonathon S. Hare
21st ACM International Conference on Information and Knowledge Management, CIKM'12, Maui, HI, USA, October 29 - November 02, 2012

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Efficient jaccard-based diversity analysis of large document collections
Fan Deng | Stefan Siersdorfer | Sergej Zerr
21st ACM International Conference on Information and Knowledge Management, CIKM'12, Maui, HI, USA, October 29 - November 02, 2012

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Analyzing the Polarity of Opinionated Queries
Sergiu Chelaru | Ismail Sengör Altingövde | Stefan Siersdorfer
Advances in Information Retrieval - 34th European Conference on IR Research, ECIR 2012, Barcelona, Spain, April 1-5, 2012. Proceedings

2011

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Content redundancy in YouTube and its application to video tagging
José San Pedro | Stefan Siersdorfer | Mark Sanderson
2011 Volume 29 Issue 3

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Developing metrics to characterize Flickr groups
Andrew M. Cox | Paul D. Clough | Stefan Siersdorfer
2011 Volume 62 Issue 3

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Detect'11: international workshop on DETecting and Exploiting Cultural diversiTy on the social web
Sergej Sizov | Stefan Siersdorfer | Thomas Gottron | Philipp Sorg
Proceedings of the 20th ACM Conference on Information and Knowledge Management, CIKM 2011, Glasgow, United Kingdom, October 24-28, 2011

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Collaborative classification over P2P networks
Odysseas Papapetrou | Wolf Siberski | Stefan Siersdorfer
Proceedings of the 20th International Conference on World Wide Web, WWW 2011, Hyderabad, India, March 28 - April 1, 2011 (Companion Volume)

2010

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Dear search engine: what's your opinion about...?: sentiment analysis for semantic enrichment of web search results
Gianluca Demartini | Stefan Siersdorfer
Proceedings of the 3rd International Semantic Search Workshop, SEMSEARCH '10, Raleigh, North Carolina, USA, April 26, 2010

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How useful are your comments?: analyzing and predicting youtube comments and comment ratings
Stefan Siersdorfer | Sergiu Chelaru | Wolfgang Nejdl | José San Pedro
Proceedings of the 19th International Conference on World Wide Web, WWW 2010, Raleigh, North Carolina, USA, April 26-30, 2010

2009

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Automatic video tagging using content redundancy
Stefan Siersdorfer | José San Pedro | Mark Sanderson
Proceedings of the 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2009, Boston, MA, USA, July 19-23, 2009

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Ranking and classifying attractiveness of photos in folksonomies
José San Pedro | Stefan Siersdorfer
Proceedings of the 18th International Conference on World Wide Web, WWW 2009, Madrid, Spain, April 20-24, 2009

2008

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Meta methods for model sharing in personal information systems
Stefan Siersdorfer | Sergej Sizov
2008 Volume 26 Issue 4

2007

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Visualising the south Yorkshire floods of '07
Paul D. Clough | Robert C. Pasley | Stefan Siersdorfer | José San Pedro | Mark Sanderson
Proceedings of the 4th ACM Workshop On Geographic Information Retrieval, GIR 2007, Lisbon, Portugal, November 9, 2007

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Multilingual Text Classification Using Ontologies
Gerard de Melo | Stefan Siersdorfer
Advances in Information Retrieval, 29th European Conference on IR Research, ECIR 2007, Rome, Italy, April 2-5, 2007, Proceedings

2006

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A neighborhood-based approach for clustering of linked document collections
Ralitsa Angelova | Stefan Siersdorfer
Proceedings of the 2006 ACM CIKM International Conference on Information and Knowledge Management, Arlington, Virginia, USA, November 6-11, 2006

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Automatic Document Organization in a P2P Environment
Stefan Siersdorfer | Sergej Sizov
Advances in Information Retrieval, 28th European Conference on IR Research, ECIR 2006, London, UK, April 10-12, 2006, Proceedings

2005

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Using Restrictive Classification and Meta Classification for Junk Elimination
Stefan Siersdorfer | Gerhard Weikum
Advances in Information Retrieval, 27th European Conference on IR Research, ECIR 2005, Santiago de Compostela, Spain, March 21-23, 2005, Proceedings

2004

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Restrictive clustering and metaclustering for self-organizing document collections
Stefan Siersdorfer | Sergej Sizov
SIGIR 2004: Proceedings of the 27th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Sheffield, UK, July 25-29, 2004

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Goal-oriented methods and meta methods for document classification and their parameter tuning
Stefan Siersdorfer | Sergej Sizov | Gerhard Weikum
Proceedings of the 2004 ACM CIKM International Conference on Information and Knowledge Management, Washington, DC, USA, November 8-13, 2004

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