Johann Christoph Freytag

74 papers A* 6A 4B 4C 6Misc 4Journal 16Unranked 29

Year	Rank	Type	Title / Venue / Authors
2012	J	`jnl`	Improving data quality by source analysis. ACM J. Data Inf. Qual. Heiko Müller, Johann Christoph Freytag, Ulf Leser
2012	—	`conf`	Privacy analysis using ontologies. CODASPY Martin Kost, Johann Christoph Freytag
2011	J	`jnl`	Foundations of Traversal Based Query Execution over Linked Data (Extended Version) CoRR Olaf Hartig, Johann Christoph Freytag
2011	B	`conf`	Privacy Verification Using Ontologies. ARES Martin Kost, Johann Christoph Freytag, Frank Kargl, Antonio Kung
2011	C	`conf`	Privacy-by-design in ITS applications. WOWMOM Antonio Kung, Johann Christoph Freytag, Frank Kargl
2010	J	`jnl`	Editorial. Datenbank-Spektrum Johann Christoph Freytag, Robert Tolksdorf
2010	J	`jnl`	Software als Institution und ihre Gestaltbarkeit. Inform. Spektrum Carsten Orwat, Oliver Raabe, Erik Buchmann, Arun Anandasivam, Johann Christoph Freytag, Natali Helberger, Kei Ishii, Bernd Lutterbeck, Dirk Neumann, Thomas Otter
2009	—	`conf`	Context Quality and Privacy - Friends or Rivals? QuaCon Johann Christoph Freytag
2009	Misc	`ed.`	Datenbanksysteme in Business, Technologie und Web (BTW 2009), 13. Fachtagung des GI-Fachbereichs "Datenbanken und Informationssysteme" (DBIS), Proceedings, 2.-6. März 2009, Münster, Germany BTW Johann Christoph Freytag, Thomas Ruf, Wolfgang Lehner, Gottfried Vossen
2009	J	`jnl`	Editorial to the Special Issue: "Database Systems". Comput. Sci. Res. Dev. Johann Christoph Freytag, Theo Härder
2009	Misc	`conf`	Executing SPARQL Queries over the Web of Linked Data. ISWC Olaf Hartig, Christian Bizer, Johann Christoph Freytag
2009	C	`conf`	Flexible failure handling for cooperative processes in distributed systems. CollaborateCom Artin Avanes, Johann Christoph Freytag
2009	—	`conf`	Privacy Challenges for Database Systems. Grundlagen von Datenbanken Johann Christoph Freytag
2009	J	`jnl`	Privacy in location-aware systems. ACM SIGSPATIAL Special Johann Christoph Freytag
2009	—	`conf`	Protecting Privacy in Context-aware Systems - Necessary or superfluous? GI Jahrestagung Johann Christoph Freytag
2009	—	`ch.`	Query Processing and Optimization in Object Relational Databases. Encyclopedia of Database Systems Johann Christoph Freytag
2009	—	`conf`	Query Processing on Multi-Core Architectures. Grundlagen von Datenbanken Frank Huber, Johann Christoph Freytag
2009	—	`conf`	Verwaltung, Analyse und Bereitstellung kontextbasierter Informationen. GI Jahrestagung Bernhard Mitschang, Johann Christoph Freytag
2008	J	`jnl`	Adaptive workflow scheduling under resource allocation constraints and network dynamics. Proc. VLDB Endow. Artin Avanes, Johann Christoph Freytag
2008	—	`conf`	Designing Component-Based Semantic Web Applications with DESWAP. ISWC (Posters & Demos) Olaf Hartig, Martin Kost, Johann Christoph Freytag
2007	C	`conf`	Distributed Service Deployment in Mobile Ad-Hoc Networks. MobiQuitous Artin Avanes, Johann Christoph Freytag, Christof Bornhövd
2007	—	`conf`	Efficient exploitation of similar subexpressions for query processing. SIGMOD Conference Jingren Zhou, Per-Åke Larson, Johann Christoph Freytag, Wolfgang Lehner
2007	Misc	`conf`	Entwurf von Informationsintegrationssystemen auf der Basis der Merkmalsmodellierung. BTW Susanne Busse, Johann Christoph Freytag
2006	—	`conf`	Classification of Contradiction Patterns. GfKl Heiko Müller, Ulf Leser, Johann Christoph Freytag
2006	A	`conf`	Describing differences between databases. CIKM Heiko Müller, Johann Christoph Freytag, Ulf Leser
2006	—	`ed.`	Managing and Mining Genome Information: Frontiers in Bioinformatics, 30. October - 4. November 2005 Managing and Mining Genome Information Jacek Blazewicz, Johann Christoph Freytag, Martin Vingron
2006	J	`jnl`	Privacy-Techniken im Überblick. Datenbank-Spektrum Oliver Berthold, Johann Christoph Freytag
2005	—	`conf`	05441 Abstracts Collection - Managing and Mining Genome Information: Frontiers in Bioinformatics. Managing and Mining Genome Information Jacek Blazewicz, Johann Christoph Freytag, Martin Vingron
2005	—	`conf`	05441 Executive Summary - Managing and Mining Genome Information: Frontiers in Bioinformatics. Managing and Mining Genome Information Jacek Blazewicz, Johann Christoph Freytag, Martin Vingron
2005	J	`jnl`	Data Mining: The Next Generation. it Inf. Technol. Johann Christoph Freytag, Raghu Ramakrishnan, Rakesh Agrawal
2005	A	`conf`	Query Processing Using Ontologies. CAiSE Chokri Ben Necib, Johann Christoph Freytag
2005	C	`conf`	Semantic Query Transformation Using Ontologies. IDEAS Chokri Ben Necib, Johann Christoph Freytag
2004	J	`jnl`	Best papers of VLDB 2003. VLDB J. Johann Christoph Freytag, Serge Abiteboul, Michael J. Carey
2004	J	`jnl`	Completeness of integrated information sources. Inf. Syst. Felix Naumann, Johann Christoph Freytag, Ulf Leser
2004	—	`conf`	Dynamic information fusion for genome annotation. GI Jahrestagung (1) Heiko Müller, Peter Rieger, Katja Tham, Johann Christoph Freytag
2004	J	`jnl`	Efficient prediction of alternative splice forms using protein domain homology. Silico Biol. Michael Hiller, Rolf Backofen, Stephan Heymann, Anke Busch, Timo Mika Gläßer, Johann Christoph Freytag
2004	—	`conf`	Mining for Patterns in Contradictory Data. IQIS Heiko Müller, Ulf Leser, Johann Christoph Freytag
2004	—	`conf`	Using Ontologies for Database Query Reformulation. ADBIS (Local Proceedings) Chokri Ben Necib, Johann Christoph Freytag
2003	—	`conf`	Ontology Based Query Processing in Database Management Systems. OTM Chokri Ben Necib, Johann Christoph Freytag
2003	A*	`ed.`	Proceedings of 29th International Conference on Very Large Data Bases, VLDB 2003, Berlin, Germany, September 9-12, 2003 Johann Christoph Freytag, Peter C. Lockemann, Serge Abiteboul, Michael J. Carey, Patricia G. Selinger, Andreas Heuer
2003	Misc	`conf`	Rechnergestützte Suche nach Korrelationen in komplexen Datensätzen der Biowissenschaften. BTW Stephan Heymann, Katja Tham, Peter Rieger, Johann Christoph Freytag
2002	B	`conf`	Access Support Tree & TextArray: A Data Structure for XML Document Storage & Retrieval. SSDBM Dieter Scheffner, Johann Christoph Freytag
2002	A	`conf`	Almost Optimal Private Information Retrieval. Privacy Enhancing Technologies Dmitri Asonov, Johann Christoph Freytag
2002	—	`conf`	Repudiative information retrieval. WPES Dmitri Asonov, Johann Christoph Freytag
2002	—	`conf`	The XML Query Execution Engine (XEE). BalticDB&IS Dieter Scheffner, Johann Christoph Freytag
2002	A*	`conf`	Viator - A Tool Family for Graphical Networking and Data View Creation. VLDB Stephan Heymann, Katja Tham, Axel Kilian, Gunnar Wegner, Peter Rieger, Dieter Merkel, Johann Christoph Freytag
2001	C	`conf`	Absolute Privacy in Voting. ISC Dmitri Asonov, Markus Schaal, Johann Christoph Freytag
2000	—	`conf`	A Communication Infrastructure for a Distributed RDBMS (Research Note). Euro-Par Michael Stillger, Dieter Scheffner, Johann Christoph Freytag
2000	B	`conf`	Implementing Geospatial Operations in an Object-Relational Database System. SSDBM Johann Christoph Freytag, Miro Flasza, Michael Stillger
2000	—	`conf`	Managing Schemata for Semistructured Databases Using Constraints. ADBIS-DASFAA André Bergholz, Johann Christoph Freytag
2000	A	`conf`	XML Conceptual Modeling Using UML. ER Rainer Conrad, Dieter Scheffner, Johann Christoph Freytag
1999	—	`ed.`	4. Workshop Föderierte Datenbanken, Berlin, Germany, November 25-26, 1999 Föderierte Datenbanken Ralf-Detlef Kutsche, Ulf Leser, Johann Christoph Freytag
1999	A*	`conf`	Quality-driven Integration of Heterogenous Information Systems. VLDB Felix Naumann, Ulf Leser, Johann Christoph Freytag
1999	—	`conf`	Querying Semistructured Data Based on Schema Matching. DBPL André Bergholz, Johann Christoph Freytag
1998	—	`conf`	Quality Driven Source Selection Using Data Envelope Analysis. IQ Felix Naumann, Johann Christoph Freytag, Myra Spiliopoulou
1997	B	`conf`	AQuES: An Agent-based Query Evaluation System. CoopIS Michael Stillger, Johann K. Obermaier, Johann Christoph Freytag
1997	C	`conf`	Sequence Comparison Using a Relational Database Approach. IDEAS André Bergholz, Stephan Heymann, Jörg A. Schenk, Johann Christoph Freytag
1996	—	`conf`	Modelling Resource Utilization in Pipelined Query Execution. Euro-Par, Vol. I Myra Spiliopoulou, Johann Christoph Freytag
1995	J	`jnl`	An Annotated Bibliography on Active Databases. SIGMOD Rec. Ulrike Jaeger, Johann Christoph Freytag
1995	J	`jnl`	Testing the Quality of a Query Optimizer. IEEE Data Eng. Bull. Michael Stillger, Johann Christoph Freytag
1994	—	`book`	Query Processing for Advanced Database Systems, Selected Contributions from a Workshop on "Query Processing in Object-Oriented, Complex-Object and Nested Relation Databases", Interationales Begegnungs- und Forschungszentrum für Informatik, Schloss Dagstuhl, Germany, June 1991 Johann Christoph Freytag, David Maier, Gottfried Vossen
1993	—	`conf`	Working Group Parallel Query Optimization. FMLDO Richard A. Lehn, Johann Christoph Freytag
1989	—	`conf`	Extensible Query Processing in Starburst. SIGMOD Conference Laura M. Haas, Johann Christoph Freytag, Guy M. Lohman, Hamid Pirahesh
1989	J	`jnl`	On the Translation of Relational Queries into Iterative Programs. ACM Trans. Database Syst. Johann Christoph Freytag, Nathan Goodman
1989	J	`jnl`	Rules for Implementing Very Large Knowledge Base Systems. SIGMOD Rec. Jorge B. Bocca, Johann Christoph Freytag
1989	—	`conf`	The Basic Principles of Query Optimization in Relational Database Management Systems. IFIP Congress Johann Christoph Freytag
1988	A*	`conf`	Implementing an Interpreter for Functional Rules in a Query Optimizer. VLDB Mavis K. Lee, Johann Christoph Freytag, Guy M. Lohman
1988	—	`conf`	Mapping Object-Oriented Concepts into Relational Concepts by Meta-Compilation in a Logic programming Environment. OODBS Johann Christoph Freytag, Rainer Manthey, Mark Wallace
1987	—	`conf`	A Rule-Based View of Query Optimization. SIGMOD Conference Johann Christoph Freytag
1987	A*	`conf`	Masking System Crashes in Database Application Programs. VLDB Johann Christoph Freytag, Flaviu Cristian, Bo Kähler
1987	—	`book`	Translating Relational Queries into Iterative Programs Johann Christoph Freytag
1986	—	`conf`	Extensibility in the Starburst Database System. OODBS Peter M. Schwarz, Walter Chang, Johann Christoph Freytag, Guy M. Lohman, John McPherson, C. Mohan, Hamid Pirahesh
1986	—	`conf`	Rule-Based Translation of Relational Queries into Iterative Programs. SIGMOD Conference Johann Christoph Freytag, Nathan Goodman
1986	A*	`conf`	Translating Aggregate Queries into Iterative Programs. VLDB Johann Christoph Freytag, Nathan Goodman