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Veröffentlichungen
B-tree and UB-tree, Scholarpedia
Multidimensional Mapping and Indexing of XML, 10. GI-Fachtagung Datenbanksysteme für Business, Technologie und Web (BTW 2003), Leipzig
Processing Star Queries on Hierachically-Clustered Fact Tables, 28. VLDB 2002, Hongkong, China, p. 730-741
Interval Processing with the UB-Tree, Proc. of IDEAS, Edmonton, Canada 2002, p. 12-22
CoPark - Coordiniertes Parken in Ballungszentren, Parkplatzmanagement mit Hightech, BayernOnline International Kongress 2002, Residenz München
CoPark - Coordiniertes Parken in Ballungszentren, Parkplatzmanagement mit Hightech, Zeitschrift Internationales Verkehrswesen, Ausgabe 7+8/2002
The TransBase Hypercube RDBMS: Multidimensional Indexing of Relational Tables, ICDE Demo Sessions 2002, Heidelberg, p. 4-6
Erste CoPark-Pressemitteilung (20.3.02),
CoPark - ein mobiler datenbankbasierter Dienst und ein neuartiges Konzept zur Parkraumbewirtschaftung in Ballungszentren, Tagungsband zum Workshop Mobile Datenbanken und Informationssysteme, Fakultät für Informatik, Universität Magdeburg, Preprint, März 2002
DEXA 2001 Invited Talk,
HINTA, A Linearization Algorithm for Physical Clustering of Complex OLAP Queries, DMDW 2001, Interlaken, Switzerland
Interactive ROLAP on Large Databases: A Case Study with UB-Trees, to appear in Proc. of IDEAS Conf. 2001, Grenoble, France, 2001
The TransBase HyperCube RDBMS: Multidimensional Indexing of Relational Tables, Proc. of 17th ICDE, Heidelberg, Germany, 2001
Universalschlüssel - Datenbankindexe in mehreren Dimensionen, ct - Magazin für Computer Technik, Ausgabe 01/2001
Exploitation of Pre-Sortedness for Sorting in Query Processing: The TempTris-Algorithm for UB-Trees, to appear in Proc. of IDEAS Conf. 2001, Grenoble, France, 2001
Cache Investment: Integrating Query Optimization and Dynamic Data Placement , ACM TODS, December 2000
The State of the Art in Distributed Query Processing, ACM Computing Surveys, September 2000
StreamJoin: A Generic Database Approach to Support the Class of Stream-Oriented Applications , International Database Engineering & Applications Symposium, September 2000, Yokohama
Integrating the UB-Tree into a Database System Kernel, Proceedings of the Conference on very large databases (VLDB), Cairo, Egypt, September 2000
OMNIS/2 - A Multimedia Meta System for existing Digital Libraries, Research and Advanced Technology for Digital Libraries, 4th International Conference, ECDL 2000, LNCS 1923
HMT: Modeling Temporal Aspects in Hypermedia Applications, Proceedings of the 1st International Conference on Web Age Information Management (WAIM), Shanghai, June 2000
Integrating Keyword Search into XML Query Processing, Proc. of the 9th WWW Conf., Amsterdam, NL, May 2000
Iterative Dynamic Programming: A New Class of Query Optimization Algorithms , ACM TODS, March 2000
Bulk loading a Data Warehouse built upon a UB-Tree, Proc. of IDEAS Conf. 2000, Yokohama, Japan, 2000
A Cost Function for Uniformly Partitioned UB-Trees, IDEAS, Yokohama, 2000
On Analyzing the Cost of Queries with Multi-Attribute Restrictions and Sort Operations, Proc. of IDEAS Conf. 2000, Yokohama, Japan, 2000
Modellierung und Verwaltung hierarchisch strukturierter Informationen in relationalen Datenbanksystemen, 12th GI Workshop on "Grundlagen von Datenbanken", Plön, Germany, 2000
Processing Relational OLAP Queries with UB-Trees and Multidimensional Hierarchical Clustering, Proc. of DMDW 2000, Stockholm, Sweden, 2000
Management and Query Processing of one dimensional Intervals with the UB-Tree, Ph.D. Workshop of EDBT 2000, Konstanz, Germany, 2000
Efficient Processing of the Cube Operator, Ph.D. Workshop of EDBT 2000, Konstanz, Germany, 2000
Systemarchitektur und Funktionalität des multimedialen digitalen Meta-Bibliothekssystems OMNIS/2, Technischer Bericht TUM-I9924, München, November 1999
Integration of Digital Services for Libraries, Eingeladener Hauptvortrag, Int. Conf. Digital Libraries: Advanced methods and technologies, digital collections. 18.-22. Oktober, 1999, Sankt Petersburg, Russland
User-Defined Table Operators: Enhancing Extensibility for ORDBMS , 25th International Conference on Very Large Data Bases, September 1999
Design, Implementation and Evaluation of Data Rivers for Efficient Intra-Query Parallelismn , TUM-I0018, SFB-Bericht Nr. 342/08/99A, September 1999
Loading a Cache with Query Results, Proc. of the Conf. on Very Large Data Bases (VLDB), Edinburgh, GB, September 1999
Generalized Hash Teams for Join and Group-by, Proc. of the Conf. on Very Large Data Bases (VLDB), Edinburgh, GB, September 1999
Towards a Scalable System Architecture in Digital Libraries, DEXA, 1999, Florence Italy, p.852-861
Physical Data Modeling for Multidimensional Access Methods, Grundlagen von Datenbanken, 11th GI Workshop 1999, Luisenthal, Thüringen, Germany, p.97-101
The Multi-Operator Method: Integrating Algorithms for the Efficient and Parallel Evaluation , TUM-I 9909, SFB-Bericht Nr. 342/06/99A, May 1999
A Performance Evaluation of Alternative Mapping Schemes for Storing XML Data in a Relational Database , Rapport de Recherche No. 3680, INRIA, Rocquencourt, France, May 1999
Processing Operations with Restrictions in RDBMS without External Sorting: The Tetris Algorithm, ICDE 1999, Sydney Australia
Physical Data Modeling for Multidimensional Access Methods, 11th GI Workshop on "Grundlagen von Datenbanken", Luisenthal, Germany, 1999
Improving Multidimensional Range Queries of non rectangular Volumes specified by a Query Box Set, Proc. of International Symposium on Database, Web and Cooperative Systems (DWACOS), Baden-Baden, Germany, 1999
Improving OLAP Performance by Multidimensional Hierarchical Clustering., Proc. of IDEAS Conf., Montreal, Canada, 1999
MISTRAL: Processing Relational Queries using a Multidimensional Access Technique, Ph.D. Thesis, TU München, 1999, published by infix Verlag, St. Augustin, DISDBIS 59, ISBN 3-89601-459-5, 1999
Processing Operations with Restrictions in Relational Database Management Systems without external Sorting, Proc. of ICDE Conf., Sydney, Australia, 1999
Variable UB-Trees: an efficient way to accelerate OLAP queries, Proc. of DMDW 99, Magdeburg, Germany, 1999
Java, XML und Servlets zur Integration datenbankbasierter Applikationen im Web, Proc. Java-Informations-Tage (JIT ´98), 12.-13.11.1998 in Frankfurt, Springer-Verlag, Informatik aktuell, 1998, pp. 259-268
Towards Deadlock-Preventing Query Optimization and Parallelization, Proceeedings of the 11th International Conference on Parallel and Distribut ed Computing Systems, Chicago, Illinois, USA, September 1998
TOPAZ: a Cost-Based, Rule-Driven, Multi-Phase Parallelizer, Proceeedings of the 24th International Conference on Very Large Databases, New York City, NY, USA, August 1998
Reducing the Braking Distance of an SQL Query Engine, Proc. of the Conf. on Very Large Data Bases (VLDB) New York, USA, August 1998
SAP R/3: A Database Application System, Tutorial for the ACM SIGMOD Conf. on Management of Data, Seattle, USA, June 1998
On Parallel Processing of Aggregate and Scalar Functions in Object-Relational DBMS , ACM SIGMOD Conference, June 1998
The UB-Tree: Performance of Multidimensional Range Queries, Technical Report TUM-I9814,June 1998
Advanced Hypermedia Indexing of Documents in a Deductive Database System, ADL 1998, Santa Barbara, California, USA, p. 98-106
The Tetris Algorithm for Sorted Reading from UB-Trees, In: Grundlagen von Datenbanken, 10th GI Workshop, Konstanz 1998.
Multimedia-Datenbanksysteme: Modellierung - Architektur - Retrieval, Habilitationsschrift, Technische Universität München, 270 S.
Architekturen von Multimedia-Datenbanksystemen zur Speicherung von Bildern und Videos, in: Luth N. (Hrsg.): Inhaltsbezogene Suche von Bildern und Videosequenzen in digitalen multimedialen Archiven, Bremen 1998, pp. 7-25
PVM Experiences in Developing the MIDAS Parallel Database System, Processings of the 4th European PVM User Group Meeting, Krakow, Poland, November 1997
ELEKTRA: An Electronic Article Delivery System, DEXA Workshop 97, Toulouse, France, p. 272-277
A Framework for Parallel Processing of Aggregate and Scalar Functions in Object-Relational DBMS, TUM-I 9741, SFB-Bericht Nr. 342/25/97 A, September 1997
Optimizing Queries across Diverse Data Sources , Proc. of the Conf. on Very Large Data Bases (VLDB), Athens, Greece, August 1997
Finding Data in the Neighborhood , Proc. of the Conf. on Very Large Data Bases (VLDB), Athens, Greece, August 1997
On the Application of Parallel Database Technology for Large Scale Document Management Systems, Proceeedings of the International Database Engineering and Applications Symposium, Montreal, Canada, August 1997
Accelerating Profiling Services by Parallel Database Technology, Proceeedings of the International Conference on Parallel and Distributed Processing Techniques and Applications, Las Vegas, Nevada, July 1997
Database Performance in the Real World: TPC-D and SAP R/3 , Proc. of the ACM SIGMOD Conf. on Management of Data, Tucson, AZ, May 1997
On Saying "Enough Already" in SQL, Proc. of the ACM SIGMOD Conf. on Management of Data, Tucson, AZ, May 1997
The universal B-Tree for multidimensional Indexing: General Concepts., In: World-Wide Computing and Its Applications ´97 (WWCA ´97), Tsukuba, Japan, 10-11 March, 1997.
UB-Trees and UB-Cache, Technical Report TUM-I9722,March 1997
Introducing Parallelism in Multimedia Database Systems, Processings of The Second Aizu International Symposium on Parallel Algorithms/Architecture Synthesis Aizu-Wakamatsu, Fukushima, Japan, IEEE Computer Society Press, Los Alamitos, California, März 1997, Pages 348-355, 8 pages
The Universal B-Tree for multidimensional Indexing, Technical Report TUM-I9637, November 1996
Performance Tradeoffs for Client-Server Query Processing, Proc. of the ACM SIGMOD Conf. on Management of Data, Montreal, Canada, June 1996
SemaLink: An Approach For Semantic Browsing Throuh Large Distributed Document Spaces, ADL 1996, Washington D.C, USA, p. 86-94
On Transforming a Sequential SQL-DBMS into a Parallel One: First Results and Experiences of the MIDAS-Project, Proc. of 2nd Int. Euro-Par Conference, Parallel Processing, Lyon, Spinger-Verlag, LNCS 1123, Berlin 1996
Document Management as a Database Problem, VLDB 95, Zürich, Schweiz
A Performance Evaluation of OID Mapping Techniques, Proc. of the Conf. on Very Large Data Bases (VLDB), Zurich, Switzerland, September 1995
Adaptable Pointer Swizzling Strategies in Object Bases: Design, Realization, and Quantitative Analysis , The VLDB Journal, Volume 4, Number 3, August 1995
Semantic Hypermedia Retrieval in Digital Libraries, ADL 1995, Mc Lean, Virginia, USA, p. 115-129
Plädoyer für eine Nationale Informations-Infrastruktur, Informatik Spektrum 17(5), p. 550-560
OMNIS/Myriad Document Retrieval and its Database Requirements, DEXA 1994, Athens, Greece, p. 115-129
Dual-Buffering Strategies in Object Bases, Proc. of the Conf. on Very Large Data Bases (VLDB), Santiago, Chile, September 1994
OMNIS/Myriad: Elektronische Verwaltung und Publikation von multimedialen Dokumenten, GI Jahrestagung 1993, Dresden, Germany
OMNIS/Myriad: Elektronische Verwaltung und Publikation von multimedialen Dokumenten, GI Jahrestagung 1993, Dresden, Germany
Parallel Sorting of Large Data Volumes on Distributed Memory Multiprocessors, Parallel Computer Architectures 1993, 246-264
MOOD - Erfahrungen mit der Konzeption, Entwicklung und Anwendung eines objektorientierten Datenbanksystems , Datenbank Rundbrief 10 1992, S. 25-26
LOLA - ein deduktives Datenbanksystem, Objektbanken für Experten 1992, Stuttgart, Germany, p. 1-28
Kooperative Zugangssysteme zu Objektdatenbanken, Objektbanken für Experten 1992, Stuttgart, Germany, p. 1-28
MOOD - A Knowledge Base System with Objectoriented Deduction, DASFAA 1991, Tokyo, Japan,
Vorbereitungen zum Themenheft Nicht-Standard-Datenbanksysteme, Informatik - Forschung und Entwicklung Band 5 Heft 4, S. 161
Combining Deduction by Certainty with the Power of Magic, DOOD 1989, Kyoto, Japan, p.103-122
DBA*: Solving Combinatorial Problems with Deductive Databases, BTW 1989, Zurich, Switzerland, p.196-215
On the Evaluation of Recursion in (Deductive) Database Systems by Efficient Differential Fixpoint Iterations, ICDE 1987, Los Angeles, California, p.120-129
Deduktions- und Datenbankunterstützung für Expertensysteme, BTW 1987, Darmstadt, Germany. p.1-16
Compiling Exploratory and Goal-Directed Deduction into Sloppy Delta-Iteration, SLP 1987, San Francisco, California, USA, p. 234-243
Time Optimal Left to Right Construction of Position Trees, Acta Informatica 1987 Volume 24, Number 4, p. 461-474
Consistency of Transactions and Random Batch, TODS Volume 11, Number 4, p. 397-404, 1986
Database Technology for Expert Systems, Wissensbasierte Systeme, 1. internationaler GI-Kongress, München, 1985, p.1-16
A Database Cache for High Performance and Fast Restart in Database Systems, TODS Volume 9 Number 4, p. 503-525, 1984
Verteilte Datenbanksysteme. Eine Übersicht über den heutigen Entwicklungsstand, Informatik Spektrum Band 7, Heft 1, 1984
Data Management Support for Database Management, Acta Informatica Volume 21, p. 1-28, 1984
Database System Design for High Performance, IFIP Congress Paris, France, 1983, p. 147-155
Dynamic Timestamp Allocation for Transactions in Database Systems, DDB 1982, Berlin, Germany, p. 9-20
Distributed Concurrency Control in Database Systems, VLDB 1980, Montreal, Canada, p. 9-20
Parallelism and Recovery in Database Systems, TODS 1980 Volume 5 Number 2, p.139-156
On Synchronisation and Recovery in Database Systems, ICSE 1979, Munich, Germany, p. 423-424
Operating Systems, An Advanced Course, Advanced Course: Operating Systems 1978. p.1-6
Datenschutz und Datenerfassung. Einige grundsätzliche Betrachtungen zum Bundesdatenschutzgesetz (Kurzfassung), 8. GI-Jahrestagung 1978, Berlin, Germany, p. 338
Datenschutz und Datenerfassung. Einige grundsätzliche Betrachtungen zum Bundesdatenschutzgesetz, Informatik Spektrum 1978 Band 1, Heft 1, p. 17-43
Prefix B-Trees, TODS Volume 2, Number 1, p. 11-26
Concurrency of Operations on B-Trees, Acta Informatica 1977 Volume 9, p.1-21
Integrity, Concurrency and Recovery in Databases, ECI 1976, Amsterdam, The Netherlands, p. 79-106
On the Encipherment of Search Trees and Random Access Files, TODS Volume 1, Number 1, 37-51
On the Integrity of Data Bases and Resource Locking, IBM Symposium: Data Base Systems 1975, Bad Homburg v.d.H., Germany, p.339-361
Storage Characteristics and Methods for Searching and Addressing, IFIP Congress 1974, Stockholm, Sweden, p.440-444
Oriented Balanced Trees and Equivalence Relations, Information Processing Letters 1972, Volume 1, Number 6
Organization and Maintenance of Large Ordered Indices, Acta Informatica Volume 1, p. 173-189
Symmetric Binary B-Trees: Data Structure and Maintenance Algorithms, Acta Informatica, Volume 1, p. 290-306
Index Ranges for Matrix Calculi, CACM, Volume 15, Number 12, p. 1033-1039
Binary B-Trees for Virtual Memory, ACM-SIGFIDET Workshop 1971, San Diego, California, Session 5B, p. 219-235
The ALCOR Illinois 7090/7094 post mortem dump, CACM 1967, Volume 10, Number 12, p. 804-808
On Endomorphisms and Congruences of Automata, FOCS 1967, p. 314-321
Automorphism Groups and Quotients of Strongly Connected Automata and Monadic Algebras, FOCS 1966, p. 282-297
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