2009 | ||
---|---|---|
55 | Johann Christoph Freytag, Thomas Ruf, Wolfgang Lehner, Gottfried Vossen: Datenbanksysteme in Business, Technologie und Web (BTW 2009), 13. Fachtagung des GI-Fachbereichs "Datenbanken und Informationssysteme" (DBIS), Proceedings, 2.-6. März 2009, Münster, Germany GI 2009 | |
2008 | ||
54 | EE | Olaf Hartig, Martin Kost, Johann Christoph Freytag: Designing Component-Based Semantic Web Applications with DESWAP. International Semantic Web Conference (Posters & Demos) 2008 |
53 | EE | Artin Avanes, Johann Christoph Freytag: Adaptive workflow scheduling under resource allocation constraints and network dynamics. PVLDB 1(2): 1631-1637 (2008) |
2007 | ||
52 | EE | Susanne Busse, Johann Christoph Freytag: Entwurf von Informationsintegrationssystemen auf der Basis der Merkmalsmodellierung. BTW 2007: 192-211 |
51 | EE | Artin Avanes, Johann Christoph Freytag, Christof Bornhövd: Distributed Service Deployment in Mobile Ad-Hoc Networks. MobiQuitous 2007: 1-8 |
50 | EE | Jingren Zhou, Per-Åke Larson, Johann Christoph Freytag, Wolfgang Lehner: Efficient exploitation of similar subexpressions for query processing. SIGMOD Conference 2007: 533-544 |
2006 | ||
49 | Jacek Blazewicz, Johann Christoph Freytag, Martin Vingron: Managing and Mining Genome Information: Frontiers in Bioinformatics, 30. October - 4. November 2005 Internationales Begegnungs- und Forschungszentrum für Informatik (IBFI), Schloss Dagstuhl, Germany 2006 | |
48 | EE | Heiko Müller, Johann Christoph Freytag, Ulf Leser: Describing differences between databases. CIKM 2006: 612-621 |
47 | EE | Oliver Berthold, Johann Christoph Freytag: Privacy-Techniken im Überblick. Datenbank-Spektrum 16: 5-14 (2006) |
2005 | ||
46 | EE | Chokri Ben Necib, Johann Christoph Freytag: Query Processing Using Ontologies. CAiSE 2005: 167-186 |
45 | EE | Chokri Ben Necib, Johann Christoph Freytag: Semantic Query Transformation Using Ontologies. IDEAS 2005: 187-199 |
44 | EE | Jacek Blazewicz, Johann Christoph Freytag, Martin Vingron: 05441 Abstracts Collection - Managing and Mining Genome Information: Frontiers in Bioinformatics. Managing and Mining Genome Information 2005 |
43 | EE | Jacek Blazewicz, Johann Christoph Freytag, Martin Vingron: 05441 Executive Summary - Managing and Mining Genome Information: Frontiers in Bioinformatics. Managing and Mining Genome Information 2005 |
42 | EE | Johann Christoph Freytag, Raghu Ramakrishnan, Rakesh Agrawal: Data Mining: The Next Generation. it - Information Technology 47(5): 308-312 (2005) |
2004 | ||
41 | EE | Chokri Ben Necib, Johann Christoph Freytag: Using Ontologies for Database Query Reformulation. ADBIS (Local Proceedings) 2004 |
40 | Heiko Müller, Peter Rieger, Katja Tham, Johann Christoph Freytag: Dynamic information fusion for genome annotation. GI Jahrestagung (1) 2004: 351-355 | |
39 | Heiko Müller, Ulf Leser, Johann Christoph Freytag: Mining for Patterns in Contradictory Data. IQIS 2004: 51-58 | |
38 | EE | 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 4: (2004) |
37 | EE | Felix Naumann, Johann Christoph Freytag, Ulf Leser: Completeness of integrated information sources. Inf. Syst. 29(7): 583-615 (2004) |
36 | EE | Johann Christoph Freytag, Serge Abiteboul, Michael J. Carey: Best papers of VLDB 2003. VLDB J. 13(3): 205-206 (2004) |
2003 | ||
35 | Johann Christoph Freytag, Peter C. Lockemann, Serge Abiteboul, Michael J. Carey, Patricia G. Selinger, Andreas Heuer: VLDB 2003, Proceedings of 29th International Conference on Very Large Data Bases, September 9-12, 2003, Berlin, Germany Morgan Kaufmann 2003 | |
34 | EE | Stephan Heymann, Katja Tham, Peter Rieger, Johann Christoph Freytag: Rechnergestützte Suche nach Korrelationen in komplexen Datensätzen der Biowissenschaften. BTW 2003: 463-481 |
33 | EE | Chokri Ben Necib, Johann Christoph Freytag: Ontology Based Query Processing in Database Management Systems. CoopIS/DOA/ODBASE 2003: 839-857 |
2002 | ||
32 | Dieter Scheffner, Johann Christoph Freytag: The XML Query Execution Engine (XEE). BalticDB&IS 2002: 297-308 | |
31 | EE | Dmitri Asonov, Johann Christoph Freytag: Almost Optimal Private Information Retrieval. Privacy Enhancing Technologies 2002: 209-223 |
30 | EE | Dieter Scheffner, Johann Christoph Freytag: Access Support Tree & TextArray: A Data Structure for XML Document Storage & Retrieval. SSDBM 2002: 155-164 |
29 | EE | 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: 1067-1070 |
28 | EE | Dmitri Asonov, Johann Christoph Freytag: Repudiative information retrieval. WPES 2002: 32-40 |
2001 | ||
27 | EE | Dmitri Asonov, Markus Schaal, Johann Christoph Freytag: Absolute Privacy in Voting. ISC 2001: 95-109 |
2000 | ||
26 | EE | André Bergholz, Johann Christoph Freytag: Managing Schemata for Semistructured Databases Using Constraints. ADBIS-DASFAA 2000: 23-36 |
25 | EE | Rainer Conrad, Dieter Scheffner, Johann Christoph Freytag: XML Conceptual Modeling Using UML. ER 2000: 558-571 |
24 | EE | Michael Stillger, Dieter Scheffner, Johann Christoph Freytag: A Communication Infrastructure for a Distributed RDBMS (Research Note). Euro-Par 2000: 445-450 |
23 | EE | Johann Christoph Freytag, M. Flasza, Michael Stillger: Implementing Geospatial Operations in an Object-Relational Database System. SSDBM 2000: 209-219 |
1999 | ||
22 | EE | André Bergholz, Johann Christoph Freytag: Querying Semistructured Data Based on Schema Matching. DBPL 1999: 168-183 |
21 | EE | Felix Naumann, Ulf Leser, Johann Christoph Freytag: Quality-driven Integration of Heterogenous Information Systems. VLDB 1999: 447-458 |
1998 | ||
20 | Felix Naumann, Johann Christoph Freytag, Myra Spiliopoulou: Quality Driven Source Selection Using Data Envelope Analysis. IQ 1998: 137-152 | |
1997 | ||
19 | EE | Michael Stillger, Johann K. Obermaier, Johann Christoph Freytag: AQuES: An Agent-based Query Evaluation System. CoopIS 1997: 203-212 |
18 | André Bergholz, Stephan Heymann, Jörg A. Schenk, Johann Christoph Freytag: Sequence Comparison Using a Relational Database Approach. IDEAS 1997: 126-131 | |
1996 | ||
17 | Myra Spiliopoulou, Johann Christoph Freytag: Modelling Resource Utilization in Pipelined Query Execution. Euro-Par, Vol. I 1996: 872-880 | |
1995 | ||
16 | EE | Michael Stillger, Johann Christoph Freytag: Testing the Quality of a Query Optimizer. IEEE Data Eng. Bull. 18(3): 41-48 (1995) |
15 | EE | Ulrike Jaeger, Johann Christoph Freytag: An Annotated Bibliography on Active Databases. SIGMOD Record 24(1): 58-69 (1995) |
1994 | ||
14 | Johann Christoph Freytag, David Maier, Gottfried Vossen: 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 Morgan Kaufmann 1994 | |
1993 | ||
13 | Richard A. Lehn, Johann Christoph Freytag: Working Group Parallel Query Optimization. FMLDO 1993: 143-148 | |
1989 | ||
12 | Johann Christoph Freytag: The Basic Principles of Query Optimization in Relational Database Management Systems. IFIP Congress 1989: 801-807 | |
11 | EE | Laura M. Haas, Johann Christoph Freytag, Guy M. Lohman, Hamid Pirahesh: Extensible Query Processing in Starburst. SIGMOD Conference 1989: 377-388 |
10 | EE | Johann Christoph Freytag, Nathan Goodman: On the Translation of Relational Queries into Iterative Programs. ACM Trans. Database Syst. 14(1): 1-27 (1989) |
9 | EE | Jorge B. Bocca, Johann Christoph Freytag: Rules for Implementing Very Large Knowledge Base Systems. SIGMOD Record 18(3): 29-35 (1989) |
1988 | ||
8 | Johann Christoph Freytag, Rainer Manthey, Mark Wallace: Mapping Object-Oriented Concepts into Relational Concepts by Meta-Compilation in a Logic programming Environment. OODBS 1988: 204-208 | |
7 | EE | Mavis K. Lee, Johann Christoph Freytag, Guy M. Lohman: Implementing an Interpreter for Functional Rules in a Query Optimizer. VLDB 1988: 218-229 |
1987 | ||
6 | Johann Christoph Freytag: Translating Relational Queries into Iterative Programs Springer 1987 | |
5 | EE | Johann Christoph Freytag: A Rule-Based View of Query Optimization. SIGMOD Conference 1987: 173-180 |
4 | EE | Johann Christoph Freytag, Flaviu Cristian, Bo Kähler: Masking System Crashes in Database Application Programs. VLDB 1987: 407-416 |
1986 | ||
3 | EE | 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: 85-92 |
2 | EE | Johann Christoph Freytag, Nathan Goodman: Rule-Based Translation of Relational Queries into Iterative Programs. SIGMOD Conference 1986: 206-214 |
1 | EE | Johann Christoph Freytag, Nathan Goodman: Translating Aggregate Queries into Iterative Programs. VLDB 1986: 138-146 |