• Information Retrieval
• Data Mining
• Web Archives

• Kai Hui
• Arunav Mishra
• Dhruv Gupta

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

• 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

• 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]

• 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]

• Member
• ACM
• Gesellschaft für Informatik


• Senior Program Committee
• ACM Conference on Information and Knowledge Management (CIKM) '17
• ACM Conference on Information and Knowledge Management (CIKM) '16
• ACM Conference on Information and Knowledge Management (CIKM) '15
• ACM Conference on Web Search & Data Mining (WSDM) '14
• ACM Conference on Web Search & Data Mining (WSDM) '13


• Program Committee
• ACM Conference on Research and Development in Information Retrieval (SIGIR) '17
• European Conference on Advances in Databases and Information Systems (ADBIS) '17
• ACM Conference on Knowledge Discovery and Data Mining (KDD) '17
• International World Wide Web Conference (WWW) '17
• Temporal Web Analytics Workshop (TempWeb) '17
• ACM SIGIR Conference Human Information Interaction and Retrieval (CHIIR) '17
• ACM Conference on Web Search & Data Mining (WSDM) '17
• ACM International Conference on Theory of Information Retrieval (ICTIR) '16
• ACM SIGIR Conference Human Information Interaction and Retrieval (CHIIR) '16
• Temporal Web Analytics Workshop (TempWeb) '16
• ACM Conference on Research and Development in Information Retrieval (SIGIR) '16
• ACM Conference on Web Search & Data Mining (WSDM) '16
• ACM Conference on Information and Knowledge Management (CIKM) '15
• International Workshop on the Web and Databases (WebDB) '15
• ACM Conference on Research and Development in Information Retrieval (SIGIR) '15
• Temporal Web Analytics Workshop (TempWeb) '15
• European Conference on Information Retrieval (ECIR) '15
• ACM Conference on Web Search & Data Mining (WSDM) '15
• IEEE International Conference on Data Engineering (ICDE) '15
• ACM Conference on Information and Knowledge Management (CIKM) '14
• International Semantic Web Conference (ISWC) '14
• European Conference on Machine Learning and Principles of Knowledge Discovery in Databases (ECML PKDD) '14
• ACM Conference on Research and Development in Information Retrieval (SIGIR) '14
• Temporal Web Analytics Workshop (TempWeb) '14
• ACM Conference on Management of Data (SIGMOD) Demos '14
• European Conference on Information Retrieval (ECIR) '14
• ACM Conference on Information and Knowledge Management (CIKM) '13
• ACM Conference on Research and Development in Information Retrieval (SIGIR) '13
• Temporal Web Analytics Workshop (TempWeb) '13
• ACM Conference on Management of Data (SIGMOD) Demos '13
• European Conference on Information Retrieval (ECIR) '13
• ACM Conference on Information and Knowledge Management (CIKM) Demos '12
• Ph.D. Workshop at CIKM (PIKM) '12
• Detection, Representation and Exploitation of Events in the Semantic Web (DeRiVE) '12
• Temporal Web Analytics Workshop (TempWeb) '12
• ACM Conference on Research and Development in Information Retrieval (SIGIR) '12
• Conference of the European Chapter of the Association for Computational Linguistics (EACL) '12
• European Conference on Information Retrieval (ECIR) '12
• ACM Conference on Web Search & Data Mining (WSDM) '12
• ACM Conference on Information and Knowledge Management (CIKM) Demos '11
• Detection, Representation and Exploitation of Events in the Semantic Web (DeRiVE) '11
• European Conference on Machine Learning and Principles of Knowledge Discovery in Databases (ECML PKDD) '11
• Temporal Web Analytics Workshop (TempWeb) '11
• Modeling, Managing and Mining of Evolving Social Networks (M3SN) '10
• ACM Conference on Web Search & Data Mining (WSDM) Late-Breaking Results '09


• Journal Reviewer
• ACM Computing Surveys
• ACM Transactions on Information Systems
• ACM Transactions on the Web
• Information Retrieval
• Information Processing & Management
• Journal of Web Semantics
• Journal of Discrete Algorithms
• Data & Knowledge Engineering
• IEEE Transactions on Data and Knowledge Engineering
• Information Processing Letters
• Information Systems
• VLDB Journal

• Informatikgrundlagen (undergraduate level course), htw saar, WS '15/16, WS '16/17
• Graphentheorie (undergraduate level course), htw saar, SS '16, SS'17
• Datenbanken (undergraduate level course), htw saar, WS '15/16, WS '16/17
• Datenbanken und Informationssysteme (graduate level course), htw saar, WS '15/16, WS '16/17
• Entscheidungsunterstützende Systeme (graduate level course), htw saar, WS '15/16, WS '16/17
• Informatik in den Medien (undergraduate level seminar), htw saar, SS '16, SS'17
• Information Retrieval (undergraduate level course), htw saar, SS '16, SS'17
• Machine Learning (undergraduate level course), htw saar, SS'17
• Advanced Topics in Information Retrieval (graduate level course), Universität des Saarlandes, WS '14 / '15
• Information Retrieval and Data Mining (graduate level course), Universität des Saarlandes, WS '13 / '14
• Frontiers in Web Search (graduate level seminar), Universität des Saarlandes, SS '13
• Suchmaschinen (undergraduate level seminar), Universität des Saarlandes, SS '12
• Information Retrieval (graduate level course), Philipps-Universität Marburg, SS '11 [slides]
• Cloud Computing (graduate level seminar), Universität des Saarlandes, WS '10 / '11

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

• July 2015 - present:
  Professor at the Hochschule für Technik und Wirtschaft des Saarlandes (htw saar) (Saarbrücken, Germany)
  
  
• May 2013 - present:
  Senior Researcher at the Max-Planck-Institut für Informatik (Saarbrücken, Germany)
  
  
• August 2010 - April 2013:
  Postdoctoral Researcher at the Max-Planck-Institut für Informatik (Saarbrücken, Germany)
  
  
• October 2011 - December 2011:
  Postdoctoral Researcher at École Polytechnique (Paris, France)
  
  
• April 2010 - July 2010:
  Research Intern in the DMX Group at Microsoft Research (Redmond, WA, United States)
  

• November 2004 - July 2010:
  Ph.D. student at the Max-Planck-Institut für Informatik (Saarbrücken, Germany)
  
  
• October 2000 - October 2004:
  Studies in Computer Science at Universität des Saarlandes (Saarbrücken, Germany)