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Klaus Berberich

Max-Planck-Institut für Informatik
Department 5: Databases and Information Systems
Text + Time Search & Analytics
 office: Campus E1 4, Room 423
Saarland Informatics Campus
66123 Saarbrücken
Germany
 email: Get my email address via email
 phone: +49 681 9325-5123
 fax: +49 681 9325-5099

I am a senior researcher and coordinate the research area Text + Time Search & Analytics. Since July 2015 I am a professor at the Hochschule für Technik und Wirtschaft des Saarlandes (htw saar).

Research Interests

  • Information Retrieval
  • Data Mining
  • Web Archives

Current Ph.D. Students

Ph.D. Graduates

  • Avishek Anand "Indexing Methods for Web Archives", 2013 (now: L3S Research Center)

Selected Publications

  • A. Mishra and K. Berberich: Estimating Time Models for News Article Excerpts,
      ACM International Conference on Information and Knowledge Management (CIKM) 2016 [paper]

  • A. Mishra and K. Berberich: Event Digest: A Holistic View on Past Events,
      ACM Conference on Research and Development in Information Retrieval (SIGIR) [paper]

  • D. Gupta and K. Berberich: Diversifying Search Results Using Time - An Information Retrieval Method for Historians,
      European Conference on Information Retrieval (ECIR) 2016 [paper]

  • M. Yahya, D. Barbosa, K. Berberich, Q. Wang, G. Weikum: Relationship Queries on Extended Knowledge Graphs,
      ACM International Conference on Web Search and Data Mining (WSDM) 2016 [paper]

  • K. Beedkar, K. Berberich, R. Gemulla, I. Miliaraki: Closing the Gap: Sequence Mining at Scale,
      ACM Transactions on Database Systems, 2015 [paper] [code]

  • K. Berberich and S. Bedathur: Computing n-Gram Statistics in MapReduce,
     International Conference on Extending Database Technology (EDBT) 2013 [paper] [code]

  • J. Hoffart, F. M. Suchanek, K. Berberich, G. Weikum: YAGO2: A spatially and temporally enhanced knowledge base from Wikipedia,
      Artificial Intelligence 194:28-61, 2013 [paper]

  • A. Anand, S. Bedathur, K. Berberich, R. Schenkel: Index Maintenance for Time-Travel Text Search,
      ACM Conference on Research and Development in Information Retrieval (SIGIR) 2012 [paper]

  • M. Yahya, K. Berberich, S. Elbassuoni, M. Ramanath, V. Tresp, G. Weikum: Natural Language Questions for the Web of Data,
      Joint International Conference on Empirical Methods in Natural Language Processing and Computational Natural Language Learning (EMNLP-CoNLL) 2012 [paper]

  • K. Berberich, A. C. König, D. Lymberopoulos, P. Zhao: Improving Local Search Ranking through External Logs,
      ACM Conference on Research and Development in Information Retrieval (SIGIR) 2011 [paper]

  • K. Berberich, S. Bedathur, O. Alonso, G. Weikum: A Language Modeling Approach for Temporal Information Needs,
      European Conference on Information Retrieval (ECIR) 2010 [paper] [data]

  • K. Berberich, S. Bedathur, T. Neumann, G. Weikum: A Time Machine for Text Search,
      ACM Conference on Research and Development in Information Retrieval (SIGIR) 2007 [paper]

  • K. Berberich, M. Vazirgiannis, G. Weikum: Time-Aware Authority Ranking,
      Internet Mathematics 2(3):301-332, 2005 [paper]

Full list of publications available here or via MPG DL, DBLP, or Google Scholar

Theses

  • K. Berberich: Temporal Search in Web Archives, Dissertation, Universität des Saarlandes, 2010 [thesis]
  • K. Berberich: Time-Aware and Trend-Based Authority Ranking, Diploma Thesis, Universität des Saarlandes, 2004 [thesis]

Talks & Presentations

  • How do Order and Proximity Impact the Readability of Event Summaries?, ECIR 2017, April 2017 [slides]
  • Search & Analytics in Archives using Semantic Annotations, Alexandria Workshop, September 2016 [slides]
  • Relationship Queries on Extended Knowledge Graphs, WSDM 2016, February 2016 [slides]
  • Frequent Sequence Mining in MapReduce, various occasions, 2014 [slides]
  • Computing n-Gram Statistics in MapReduce, EBDT 2013, March 2013 [slides]
  • Text + Time Search & Analytics, MPI-INF/MPI-SWS Joint Lecture Series, December 2012 [slides]
  • Search & Analytics in Web Archives, MPI-INF Poster Exhibition, May 2011 [poster]
  • Interesting-Phrase Mining for Ad-Hoc Text Analytics, Philipps-Universität Marburg, November 2010 [slides]
  • Time-Based Exploration of News Archives, HCIR 2010, August 2010 [slides]
  • Temporal Search in Web Archives, Ph.D. Defense Talk, July 2010 [slides]
  • Temporal Search in Web Archives, Microsoft Research DB Seminar, July 2010 [slides]
  • A Language Modeling Approach for Temporal Information Needs, ECIR 2010, April 2010 [slides] [data]
  • NEAT: News Exploration Along Time, ECIR 2010, April 2010 [poster] [screencast]
  • Bridging the Terminology Gap in Web Archive Search, WebDB 2009, June 2009 [slides]
  • Bridging the Terminology Gap in Web Archive Search, MPI-INF Poster Exhibition, June 2009 [slides]
  • A Time Machine for Text Search, SIGIR 2007, July 2007 [slides]
  • Efficient Time-Travel over Web Archives, SADA 2007, May 2007 [poster]
  • Comparing Apples and Oranges: Normalized PageRank for Evolving Graphs, WWW 2007, May 2007 [poster]
  • Efficient Time-Travel on Versioned Text Collections, BTW 2007, March 2007 [slides]
  • Rank Synopses for Efficient Time-Travel on the Web Graph, CIKM 2006, November 2006 [poster]
  • Unstoppable Stateful PHP Web Services, WISE 2006, October 2006 [slides]
  • BuzzRank...and the Trend is Your Friend, WWW 2006, May 2006 [poster]
  • Link-based Authority Ranking in Evolving Networks, MPI-INF Poster Exhibition, May 2005 [poster]
  • T-Rank: Time-Aware Authority Ranking, WAW 2004, October 2004 [slides]

Professional Activities

Teaching

If you're interested in a project for your M.Sc. or B.Sc. thesis, send me an e-mail.

Recent Positions

Education