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