Christian Zimmer

Max-Planck Institut for Informatics

Databases and Information Systems Group (D5)
Stuhlsatzenhausweg 85, 66123 Saarbrücken,Germany
DBLP MPI publication database

Contact

Email:
czimmer@mpi-inf.mpg.de
Phone:
+49 (0)681 9325 508
Fax:
+49 (0)681 9325 599
Room:
408

Working Interests

Research interests:
Approximate Information Filtering in P2P Networks
Peer-to-Peer Information Management
Query Routing in P2P Search
P2P Web Search
Query Execution in P2P Search
Projects:
DELIS: Dynamically Evolving, Large-scale Information Systems
DELOS: Network of Excellence on Digital Libraries
P2E2: Peer-to-Peer Enterprise Environment
Education:
Studies in computer science at University of Saarland, Saarbrücken (Germany)
Thesis on "COMPASS:
Entwurf und Implementierung effizienter Strategien zum transparenten Crawling und Indexaufbau" [pdf]

Publications

2008

Christian Zimmer, Johannes Heinz, Christos Tryfonopoulos, Gerhard Weikum:
P2P Information Retrieval and Filtering with MAPS. (DEMO)
P2P Conference 2008, Aachen, Germany, 2008.
Christian Zimmer, Christos Tyfonopoulos, Klaus Berberich, Manolis Koubarakis, Gerhard Weikum:
Approximate Information Filtering in Peer-to-Peer Networks.
WISE Conference 2008, Auckland, New Zealand, 2008.
Christian Zimmer, Christos Tryfonopoulos, Gerhard Weikum:
Exploiting Correlated Keywords to Improve Approximate Information Filtering.
SIGIR Conference 2008, Singapore, Singapore, 2008.
Christian Zimmer, Srikanta Bedathur, and Gerhard Weikum:
Flood Little, Cache More: Effective Result-reuse in P2P IR Systems.
DASFAA Conference 2008, New Delhi, India, 2008.

2007

Christian Zimmer, Srikanta Bedathur, Christos Tryfonopoulos, and Gerhard Weikum:
Exploiting Replication in Peer-to-Peer Search over Distributed Digital Libraries.
2nd DELOS Conference 2007, Pisa, Italy, 2007.
Christos Tryfonopoulos, Christian Zimmer, Manolis Koubarakis, and Gerhard Weikum:
Architectural Alternatives for Information Filtering in Structured Overlay Networks.
IEEE Internet Computing Magazine, 2007.
Christian Zimmer, Christos Tryfonopoulos, and Gerhard Weikum: MinervaDL:
An Architecture for Information Retrieval and Filtering in Distributed Digital Libraries.
ECDL Conference 2007, Budapest, Hungary, 2007.
Christian Zimmer, Srikanta Bedathur, and Gerhard Weikum:
Standing on the Shoulders of Peers: Caching in Peer-to-Peer Information Retrieval.
DBISP2P Workshop 2007, Vienna, Austria, 2007.
Christian Zimmer, Christos Tryfonopoulos, Klaus Berberich, Gerhard Weikum and Manolis Koubarakis:
Node Behavior Prediction for Large-Scale Approximate Information Filtering.
LSDS-IR Workshop 2007, Amsterdam, The Netherlands, 2007.
Christos Tryfonopoulos, Christian Zimmer, Manolis Koubarakis, Gerhard Weikum:
Architectural Alternatives for Information Filtering in Structured Overlay Networks.
HDMS Workshop 2007, Athens, Greece, 2007.
Christian Zimmer, Christos Tryfonopoulos, and GerhardWeikum:
Efficient Search and Approximate Information Filtering in a Distributed Peer-to-Peer Environment of Digital Libraries.
1st DELOS Conference 2007, Pisa, Italy, 2007.
Sergey Chernov, Pavel Serdyukov, Matthias Bender, Sebastian Michel, Gerhard Weikum, and Christian Zimmer:
Database Seletion and Result Merging in P2P Web Search.
Dynamics of Search Engines: An Introduction, 2007.
Jens Graupmann, Michael Biwer, Christian Zimmer, Patrick Zimmer, Matthias Bender, Martin Theobald, and Gerhard Weikum:
COMPASS: A Concept-Based Web Search Engine for HTML, XML, and Deep Web Data.
Dynamics of Search Engines: An Introduction, 2007.

2006

Klaus Berberich, Manolis Koubarakis, Christos Tryfonopoulos, Gerhard Weikum, and Christian Zimmer:
MAPS: Approximate Publish/Subscribe Functionality in Peer-to-Peer Networks.
ADPUC Workshop 2006, Melbourne, Australia, 2007.
Sebastian Michel, Matthias Bender, Nikos Ntarmos, Peter Triantafillou, Gerhard Weikum, and Christian Zimmer:
Discovering and Exploiting Keyword and Attribute-Value Co-occurrences to Improve P2P Routing Indices.
CIKM Conference 2006, Arlington, USA, 2006.
Matthias Bender, Sebastian Michel, Christian Zimmer, Peter Triantafillou, Gerhard Weikum:
P2P Content Search: Give the Web Back to the People.
IPTPS Workshop 2006, Santa Barbara, USA, 2006.
Matthias Bender, Sebastian Michel, Christian Zimmer, Peter Triantafillou, Gerhard Weikum:
To Infinity and Beyond: P2P Web Search with Minerva and Minerva-Infinity.
Global Data Management, 2006.

2005

Matthias Bender, Sebastian Michel, Christian Zimmer, Peter Triantafillou, Gerhard Weikum:
Improving Collection Selection with Overlap-Awareness.
SIGIR Conference 2005, Salvador de Bahia, Brasil, 2005.
Matthias Bender, Sebastian Michel, Christian Zimmer, Gerhard Weikum:
Challenges of Distributed Search Across Digital.
DELOS Workshop: System Architecture & Information Access 2005, Dagstuhl, Germany, 2005.
Matthias Bender, Sebastian Michel, Gerhard Weikum, Christian Zimmer:
Database Selection in the Context of P2P Web Search.
BTW Conference 2005, Karlsruhe, Germany, 2005.
Matthias Bender, Sebastian Michel, Christian Zimmer, Gerhard Weikum:
MINERVA: Collaborative P2P Search.
VLDB Conference Demo 2005, Trondheim, Norway, 2005.
Sergey Chernov, Pavel Serdyukov, Matthias Bender, Sebastian Michel, Christian Zimmer, Gerhard Weikum:
Database Selection and Result Merging in P2P Web Search.
DBISP2P Workshop 2005, Trondheim, Norway, 2005.
Matthias Bender, Sebastian Michel, Christian Zimmer, Peter Triantafillou, Gerhard Weikum:
P2P Web Search with MINERVA: How do you want to search tomorrow?
Middleware Conference Demo 2005, Grenoble, France, 2005.
Matthias Bender, Sebastian Michel, Christian Zimmer, Gerhard Weikum:
Das MINERVA-Projekt: Datenbankselektion für Peer-to-Peer-Websuche.
Informatik - Forschung und Entwicklung, 2005.

2004

Matthias Bender, Sebastian Michel, Christian Zimmer, Gerhard Weikum:
Towards Collaborative Search in Digital Libraries Using Peer-to-Peer Technology.
DELOS Workshop: Digital Library Architectures 2004, Sardinia, Italy, 2004.
Matthias Bender, Sebastian Michel, Gerhard Weikum, Christian Zimmer:
Bookmark-driven Query Routing in Peer-to-Peer Web Search.
P2PIR Workshop 2004, Sheffield, England, 2004.
Jens Graupmann, Michael Biwer, Christian Zimmer, Patrick Zimmer, Matthias Bender, Martin Theobald, Gerhard Weikum:
COMPASS: A Concept-based Web Search Engine for HTML, XML, and Deep Web Data.
VLDB Conference Demo 2004, Toronto, Canada, 2004.
Matthias Bender, Steffen Kraus, Florian Kupsch, German Shegalov, Gerhard Weikum, Dirk Werth, Christian Zimmer:
Peer-to-Peer-Technologie für unternehmensweites und organisationsübergreifendes Workflow-Management.
GI Jahrestagung, Ulm, Germany, 2004.

Talks

Christian Zimmer, Srikanta Bedathur, and Gerhard Weikum:
Flood Little, Cache More: Effective Result-reuse in P2P IR Systems.
DASFAA Conference 2008, New Delhi, India, 2008. [pdf]
Christian Zimmer, Srikanta Bedathur, Christos Tryfonopoulos, Gerhard Weikum:
Exploiting Replication in Peer-to-Peer Search Over Distributed Digital Libraries.
DELOS Conference 2007, Pisa, Italy, December 2007. [pdf]
Christian Zimmer, Christos Tryfonopoulos, Gerhard Weikum:
MinervaDL: An Architecture for Information Retrieval and Filtering in Distributed Digital Libraries.
ECDL Conference 2007, Budapest, Hungary, September 2007. [pdf]
Christian Zimmer, Christos Tryfonopoulos, Klaus Berberich, Manolis Koubarakis, Gerhard Weikum:
Node Behavior Prediction for Large-Scale Approximate Information Filtering.
LSDS-IR Workshop 2007, Amsterdam, The Netherlands, July 2007. [pdf]
Christian Zimmer:
Efficient Search and Approximate Information Filtering Efficient Search and Approximate Information Filtering in a Distributed Peer-to to-Peer Environment of Digital Libraries.
DELOS Conference 2007, Pisa, Italy, February 2007. [pdf]
Christian Zimmer, Christos Tryfonopoulos, Klaus Berberich, Manolis Koubarakis, Gerhard Weikum:
MAPS Approximate Publish/Subscribe Functionality in Peer-to-Peer Networks.
ADPUC Workshop 2006, Melbourne, Australia, November 2006. [pdf]
Christian Zimmer, Matthias Bender, Sebastian Michel, Peter Triantafillou, Gerhard Weikum:
P2P Content Search: Give the Web Back to the People.
IPTPS Workshop 2006, Santa Barbara, USA, 2006. [pdf]
Christian Zimmer, Gerhard Weikum:
Personalized Query Routing in Peer-to-Peer Federations of Digital Libraries.
DELOS All-Task-Meeting 2006, Paris, France, 2006. [pdf]
Matthias Bender, Sebastian Michel, Christian Zimmer, Gerhard Weikum:
Challenges of Distributed Search Across Digital.
DELOS Workshop 2005: System Architecture & Information Access 2005, Dagstuhl, Germany, 2005. [pdf]
Matthias Bender, Sebastian Michel, Gerhard Weikum, Christian Zimmer:
Database Selection in the Context of P2P Web Search.
BTW Conference 2005, Karlsruhe, Germany, 2005. [pdf]
Matthias Bender, Sebastian Michel, Christian Zimmer, Gerhard Weikum:
Towards Collaborative Search in Digital Libraries Using Peer-to-Peer Technology.
DELOS Workshop 2004: Digital Library Architectures, Sardinia, Italy, 2004. [pdf]
Christian Zimmer:
Peer-to-Peer Indexing and Crawling.
Group Talk 2004, MPI for Informatics, Saarbrücken, Germany, February 2004. [pdf]

Posters

Christian Zimmer, Srikanta Bedathur, Gerhard Weikum:
Standing On the Shoulders of Peers: Caching in Peer-to-Peer Information Retrieval.
DBISP2P Workshop 2007, VLDB Conference 2007, Vienna, Austria, September 2007. [pdf]
Christian Zimmer, Christos Tryfonopoulos, Klaus Berberich, Manolis Koubarakis, Gerhard Weikum:
Node Behavior Prediction for Large-Scale Approximate Information Filtering.
LSDS-IR Workshop 2007, SIGIR 2007, Amsterdam, The Netherlands, July 2007. [pdf]
Christian Zimmer et al.:
Personalized Query Routing in Peer-to-Peer Federations of Digital Libraries.
DELOS Poster Session 2006, ECDL Conference 2006, Alicante, Spain, September 2006. [pdf]
Christian Zimmer et al.:
Personalized Query Routing in Peer-to-Peer Federations of Digital Libraries.
DELOS Poster Session 2005, ECDL Conference 2005, Vienna, Austria, September 2005. [pdf]
Christian Zimmer:
Decentralized Indexing in a Peer-to-Peer Search Engine.
Poster Competition, MPI for Informatics, Saarbrücken, Germany, 2004 (First Place). [pdf]

Teaching

Lecture "Information Systems"
Sommersemester 2008 [website]
Seminar "The Future of Web Search"
Wintersemester 2007/2008 [website]
Lecture "Informationssysteme"
Sommersemester 2005 [website]
Seminar "Peer-to-Peer Information Systems"
Wintersemester 2004/2005 [website]
Lecture "Informationssysteme"
Sommersemester 2004 [website]
Seminar "Peer-to-peer Information Systems"
Wintersemester 2003/2004 [website]