Johann Christoph Freytag

	2009
63		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
62		Frank Huber, Johann Christoph Freytag: Query Processing on Multi-Core Architectures. Grundlagen von Datenbanken 2009: 27-31
61		Johann Christoph Freytag: Privacy Challenges for Database Systems. Grundlagen von Datenbanken 2009: 5
60		Olaf Hartig, Christian Bizer, Johann Christoph Freytag: Executing SPARQL Queries over the Web of Linked Data. International Semantic Web Conference 2009: 293-309
59		Johann Christoph Freytag: Context Quality and Privacy - Friends or Rivals? QuaCon 2009: 25-40
58		Johann Christoph Freytag: Query Processing and Optimization in Object Relational Databases. Encyclopedia of Database Systems 2009: 2293-2297
57		Johann Christoph Freytag, Theo Härder: Editorial to the Special Issue: "Database Systems". Computer Science - R&D 24(3): 101-102 (2009)
56		Johann Christoph Freytag: Privacy in location-aware systems. SIGSPATIAL Special 1(2): 4-8 (2009)
	2008
55		Olaf Hartig, Martin Kost, Johann Christoph Freytag: Designing Component-Based Semantic Web Applications with DESWAP. International Semantic Web Conference (Posters & Demos) 2008
54		Artin Avanes, Johann Christoph Freytag: Adaptive workflow scheduling under resource allocation constraints and network dynamics. PVLDB 1(2): 1631-1637 (2008)
	2007
53		Susanne Busse, Johann Christoph Freytag: Entwurf von Informationsintegrationssystemen auf der Basis der Merkmalsmodellierung. BTW 2007: 192-211
52		Artin Avanes, Johann Christoph Freytag, Christof Bornhövd: Distributed Service Deployment in Mobile Ad-Hoc Networks. MobiQuitous 2007: 1-8
51		Jingren Zhou, Per-Åke Larson, Johann Christoph Freytag, Wolfgang Lehner: Efficient exploitation of similar subexpressions for query processing. SIGMOD Conference 2007: 533-544
	2006
50		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
49		Heiko Müller, Johann Christoph Freytag, Ulf Leser: Describing differences between databases. CIKM 2006: 612-621
48		Heiko Müller, Ulf Leser, Johann Christoph Freytag: Classification of Contradiction Patterns. GfKl 2006: 171-178
47		Oliver Berthold, Johann Christoph Freytag: Privacy-Techniken im Überblick. Datenbank-Spektrum 16: 5-14 (2006)
	2005
46		Chokri Ben Necib, Johann Christoph Freytag: Query Processing Using Ontologies. CAiSE 2005: 167-186
45		Chokri Ben Necib, Johann Christoph Freytag: Semantic Query Transformation Using Ontologies. IDEAS 2005: 187-199
44		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		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		Johann Christoph Freytag, Raghu Ramakrishnan, Rakesh Agrawal: Data Mining: The Next Generation. it - Information Technology 47(5): 308-312 (2005)
	2004
41		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		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		Felix Naumann, Johann Christoph Freytag, Ulf Leser: Completeness of integrated information sources. Inf. Syst. 29(7): 583-615 (2004)
36		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		Stephan Heymann, Katja Tham, Peter Rieger, Johann Christoph Freytag: Rechnergestützte Suche nach Korrelationen in komplexen Datensätzen der Biowissenschaften. BTW 2003: 463-481
33		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		Dmitri Asonov, Johann Christoph Freytag: Almost Optimal Private Information Retrieval. Privacy Enhancing Technologies 2002: 209-223
30		Dieter Scheffner, Johann Christoph Freytag: Access Support Tree & TextArray: A Data Structure for XML Document Storage & Retrieval. SSDBM 2002: 155-164
29		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		Dmitri Asonov, Johann Christoph Freytag: Repudiative information retrieval. WPES 2002: 32-40
	2001
27		Dmitri Asonov, Markus Schaal, Johann Christoph Freytag: Absolute Privacy in Voting. ISC 2001: 95-109
	2000
26		André Bergholz, Johann Christoph Freytag: Managing Schemata for Semistructured Databases Using Constraints. ADBIS-DASFAA 2000: 23-36
25		Rainer Conrad, Dieter Scheffner, Johann Christoph Freytag: XML Conceptual Modeling Using UML. ER 2000: 558-571
24		Michael Stillger, Dieter Scheffner, Johann Christoph Freytag: A Communication Infrastructure for a Distributed RDBMS (Research Note). Euro-Par 2000: 445-450
23		Johann Christoph Freytag, M. Flasza, Michael Stillger: Implementing Geospatial Operations in an Object-Relational Database System. SSDBM 2000: 209-219
	1999
22		André Bergholz, Johann Christoph Freytag: Querying Semistructured Data Based on Schema Matching. DBPL 1999: 168-183
21		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		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		Michael Stillger, Johann Christoph Freytag: Testing the Quality of a Query Optimizer. IEEE Data Eng. Bull. 18(3): 41-48 (1995)
15		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		Laura M. Haas, Johann Christoph Freytag, Guy M. Lohman, Hamid Pirahesh: Extensible Query Processing in Starburst. SIGMOD Conference 1989: 377-388
10		Johann Christoph Freytag, Nathan Goodman: On the Translation of Relational Queries into Iterative Programs. ACM Trans. Database Syst. 14(1): 1-27 (1989)
9		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		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		Johann Christoph Freytag: A Rule-Based View of Query Optimization. SIGMOD Conference 1987: 173-180
4		Johann Christoph Freytag, Flaviu Cristian, Bo Kähler: Masking System Crashes in Database Application Programs. VLDB 1987: 407-416
	1986
3		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		Johann Christoph Freytag, Nathan Goodman: Rule-Based Translation of Relational Queries into Iterative Programs. SIGMOD Conference 1986: 206-214
1		Johann Christoph Freytag, Nathan Goodman: Translating Aggregate Queries into Iterative Programs. VLDB 1986: 138-146

Coauthor Index

1	Serge Abiteboul	[35] [36]
2	Rakesh Agrawal	[42]
3	Dmitri Asonov	[27] [28] [31]
4	Artin Avanes	[52] [54]
5	Rolf Backofen	[38]
6	André Bergholz	[18] [22] [26]
7	Oliver Berthold	[47]
8	Christian Bizer	[60]
9	Jacek Blazewicz	[43] [44] [50]
10	Jorge B. Bocca	[9]
11	Christof Bornhövd	[52]
12	Anke Busch	[38]
13	Susanne Busse	[53]
14	Michael J. Carey	[35] [36]
15	Walter Chang	[3]
16	Flaviu Cristian	[4]
17	Rainer Eckstein (Rainer Conrad)	[25]
18	M. Flasza	[23]
19	Timo Mika Gläßer	[38]
20	Nathan Goodman	[1] [2] [10]
21	Laura M. Haas	[11]
22	Theo Härder	[57]
23	Olaf Hartig	[55] [60]
24	Andreas Heuer	[35]
25	Stephan Heymann	[18] [29] [34] [38]
26	Michael Hiller	[38]
27	Frank Huber	[62]
28	Ulrike Jaeger	[15]
29	Bo Kähler	[4]
30	Axel Kilian	[29]
31	Martin Kost	[55]
32	Per-Åke Larson (Paul Larson)	[51]
33	Mavis K. Lee	[7]
34	Richard A. Lehn	[13]
35	Wolfgang Lehner	[51] [63]
36	Ulf Leser	[21] [37] [39] [48] [49]
37	Peter C. Lockemann	[35]
38	Guy M. Lohman	[3] [7] [11]
39	David Maier	[14]
40	Rainer Manthey	[8]
41	John McPherson	[3]
42	Dieter Merkel	[29]
43	C. Mohan	[3]
44	Heiko Müller	[39] [40] [48] [49]
45	Felix Naumann	[20] [21] [37]
46	Chokri Ben Necib	[33] [41] [45] [46]
47	Johann K. Obermaier	[19]
48	Hamid Pirahesh	[3] [11]
49	Raghu Ramakrishnan	[42]
50	Peter Rieger	[29] [34] [40]
51	Thomas Ruf	[63]
52	Markus Schaal	[27]
53	Dieter Scheffner	[24] [25] [30] [32]
54	Jörg A. Schenk	[18]
55	Peter M. Schwarz	[3]
56	Patricia G. Selinger	[35]
57	Myra Spiliopoulou	[17] [20]
58	Michael Stillger	[16] [19] [23] [24]
59	Katja Tham	[29] [34] [40]
60	Martin Vingron	[43] [44] [50]
61	Gottfried Vossen	[14] [63]
62	Mark Wallace	[8]
63	Gunnar Wegner	[29]
64	Jingren Zhou	[51]

Colors in the list of coauthors