Helmer, Sven (2000) Performance Enhancements for Advanced Database Management Systems. None [Dissertation]

Vorschau

Helmer, Sven ; Neumann, Thomas ; Moerkotte, Guido A Robust Scheme for Multilevel Extendible Hashing. Yazici, Adnan Lecture Notes in Computer Science 2869 220-227 In: Computer and information sciences - ISCIS 2003 : 18th International Symposium, Antalya, Turkey, November 3 - 5, 2003; proceedings (2003) Berlin [u.a.] [Konferenzveröffentlichung]

Helmer, Sven ; Moerkotte, Guido (2003) A performance study of four index structures for set-valued attributes of low cardinality. The VLDB Journal Berlin ; Heidelberg 12 3 244 -261 [Zeitschriftenartikel]

Helmer, Sven (2003) Rezension zu: Bordogna, Gloria (Hrsg.): Recent issues on fuzzy databases. Heidelberg, 2000. Fuzzy Sets and Systems Amsterdam [u.a.] 140 1 229 - 230 [Zeitschriftenartikel]

Helmer, Sven ; Neumann, Thomas ; Moerkotte, Guido Estimating the Output Cardinality of Partial Preaggregation with a Measure of Clusteredness. Freytag, Johann Christoph Proc. 29th Int. Conf. on Very Large Data Bases (VLDB), Berlin, 09.-12.09.2003 656-667 In: Proceedings of the twenty-ninth International Conference on Very Large Databases : Berlin, Germany, 9 - 12 September, 2003 (2003) St. Louis, Mo. [Konferenzveröffentlichung]

Helmer, Sven (2003) Evaluating Different Approaches for Indexing Fuzzy Sets. Fuzzy Sets and Systems Amsterdam [u.a.] 140 1 167 - 182 [Zeitschriftenartikel]

Helmer, Sven ; Kanne, Carl-Christian ; Moerkotte, Guido Lock-based Protocols for Cooperationn on XML Documents. Martin, Danielle C. Proc. 14th Int. Workshop on Database and Expert Systems Applications (at DEXA Conf.), Prague, 01.-05.09.2003 230- 234 In: Proceedings / 14th International Workshop on Database and Expert Systems Applications : 1 - 5 September 2003, Prague, Czech Republic (2003) Los Alamitos, Calif. [u.a.] [Konferenzveröffentlichung]

May, Norman ; Helmer, Sven ; Moerkotte, Guido Quantifiers in XQuery. Catarci, Tiziana Proc. 4th Int. Conf. on Web Information Systems Engineering (WISE), Rome, Italy, 10.-13.12.2003 313-316 In: Proceedings / Fourth International Conference on Web Information Systems Engineering, WISE 2003 : 10 - 12 December 2003, Roma, Italy (2003) Los Alamitos, Calif. [u.a.] [Konferenzveröffentlichung]

May, Norman ; Helmer, Sven ; Moerkotte, Guido Three Cases for Query Decorrelation in XQuery. Bellahsène, Zohra Lecture Notes in Computer Science 2824 70-84 In: Database and XML technologies : first International XML Database Symposium, XSym 2003, Berlin, Germany, September 8, 2003 (2003) Berlin [u.a.] [Konferenzveröffentlichung]

Fiebig, Thorsten ; Moerkotte, Guido (2002) Algebraic XML Construction and Its Optimization in Natix. World Wide Web Norwell, Mass. 4 3 167-187 [Zeitschriftenartikel]

Fiebig, Thorsten ; Helmer, Sven ; Kanne, Carl-Christian ; Moerkotte, Guido ; Neumann, Julia ; Schiele, Robert ; Westmann, Till (2002) Anatomy of a Native XML Base Management System. The VLDB Journal Berlin ; Heidelberg 11 4 292-314 [Zeitschriftenartikel]

Moerkotte, Guido Incorporating XSL Processing into Database Engines. Bernstein, Philip A. Proceedings of the twenty-eighth International Conference on Very Large Data Bases 107 - 118 In: Proceedings of the twenty-eighth International Conference on Very Large Data Bases : Hong Kong SAR, China, 20-23 August 2002 (2002) St. Louis [Konferenzveröffentlichung]

Fiebig, Thorsten ; Helmer, Sven ; Kanne, Carl-Christian ; Moerkotte, Guido ; Neumann, Julia ; Schiele, Robert ; Westmann, Till Natix: A Technology Overview. Chaudhri, Akmal B. Lecture Notes in Computer Science 2593 12-33 In: Web, Web services, and database systems : NODe 2002 Web- and Database-Related Workshops, Erfurt, Germany, October 7 - 10, 2002; revised papers (2002) Berlin [u.a.] [Konferenzveröffentlichung]

Helmer, Sven ; Kanne, Carl-Christian ; Moerkotte, Guido Optimized Translation of XPath into Algebraic Expressions Parameterized by Programs Containing Navigational Primitives. Ling, Tok Wang Proceedings of the 3rd International Conference on Web Information Systems Engineering (WISE), Singapore 215-224 In: Proceedings of the Third International Conference on Web Information Systems Engineering : 12 - 14 December 2002, Singapore (2002) Los Alamitos, Calif. [u.a.] [Konferenzveröffentlichung]

Fiebig, Thorsten ; Moerkotte, Guido Algebraic XML Construction in Natix. Ozsu, Tamer Web Information Systems Engineering 212-221 In: Proceedings of the Second International Conference on Web Information Systems Engineering : 3 - 6 December 2001, Kyoto, Japan (2001) Los Alamitos, Calif. [u.a.] [Konferenzveröffentlichung]

Helmer, Sven Indexing Fuzzy Data. Smith, Michael H. Proc. Joint 9th IFSA World Congress and 20th NAFIPS Int. Conf. 4 2120-2125 In: Joint 9th IFSA World congress and 20th NAFIPS International Conference, Vancouver, British Columbia, Canada, July 25 - 28, 2001; proceedings (2001) Piscataway, NJ [Konferenzveröffentlichung]

Fiebig, Thorsten ; Kanne, Carl-Christian ; Moerkotte, Guido (2001) Natix - ein natives XML-DBMS. Datenbank-Spektrum Berlin 1 1 5-13 [Zeitschriftenartikel]

Amaral, Vasco Miguel Moreira do ; Moerkotte, Guido ; Amorim, Antonio ; Helmer, Sven Studies for Optimisation of Data Analysis Queries for HEP Using HERA-B Commissioning Data. Chen, Hesheng Int. Conf. on Computing in High Energy and Nuclear Physics (CHEP'01) 1-2 In: Proceedings of the CHEP 2001 Conference Computing in High Energy and Nuclear Physics : (Beijing, China, 3 - 7 September 2001) (2001) Beijing [u.a.] [Konferenzveröffentlichung]

Kanne, Carl-Christian ; Moerkotte, Guido Efficient Storage of XML Data. Proc. IEEE Conference on Data Engineering 198 In: Proceedings / 16th International Conference on Data Engineering : February 28 - March 3, 2000, San Diego, California (2000) Los Alamitos, Calif. [u.a.] [Konferenzveröffentlichung]

Fiebig, Thorsten ; Moerkotte, Guido Evaluating queries on structure with eXtended access support relations. Suciu, Dan Lecture Notes in Computer Science 1997 125-136 In: The World Wide Web and Databases (2001) Berlin [u.a.] 3. International Workshop WebDB 2000 (Dallas, TX, USA) [Konferenzveröffentlichung]

Claussen, Jens ; Kemper, Alfons ; Moerkotte, Guido ; Peithner, Klaus ; Steinbrunn, Michael (2000) Optimization and evaluation of disjunctive queries. IEEE Transactions on Knowledge and Data Engineering : TKDE Piscataway, NJ 12 2 238-260 [Zeitschriftenartikel]

Westmann, Till ; Kossmann, Donald ; Helmer, Sven ; Moerkotte, Guido (2000) The implementation and performance of compressed databases. SIGMOD Record New York, NY 29 3 55-67 [Zeitschriftenartikel]

Moerkotte, Guido ; Winkens, Dunja Variationsmöglichkeiten bei der Transformation von UML-Basiskonzepten in Dokumenttypdefinitionen. Ebert, Jürgen Koblenzer Schriften zur Informatik 15 163-177 In: Modelle und Modellierungssprachen in Informatik und Wirtschaftsinformatik : Beiträge des Workshops "Modellierung 2000", St. Goar, 5. - 7. April 2000 (2000) Koblenz [Konferenzveröffentlichung]

Lu, James ; Moerkotte, Guido ; Schü, Joachim ; Subrahmanian, V. S. (1999) Efficient Maintenance of Materialized Mediated Views. Materialized Views : Techniques, Implementations, and Applications Cambridge, Mass. 275-293 [Buchkapitel]

Kanne, Carl-Christian ; Schreiber, Falk ; Trümbach, Dietrich (1999) Electronic Biochemical Pathways. Kratochvil, Jan Graph drawing : 7th international symposium, GD '99, Stirín Castle, Czech Republic, September 15 - 19, 1999 Lecture Notes in Computer Science Berlin [u.a.] 1731 418-419 [Buchkapitel]

Boss, Birgit ; Helmer, Sven (1999) Index Structures for Efficiently Accessing Fuzzy Data Including Cost Models and Measurements. Fuzzy Sets and Systems Amsterdam [u.a.] 108 1 11-37 [Zeitschriftenartikel]

Kanne, Carl-Christian ; Schreiber, Falk ; Trümbach, Dietrich Interactive Biochemical Pathways. Wingender, Edgar Proceedings of the German Conference on Bioinformatics (GCB'99) 204-205 In: Computer science and biology : proceedings of the German Conference on Bioinformatics GCB '99 ; October 4 - 6, 1999, Hannover, Germany (1999) Braunschweig [Konferenzveröffentlichung]

Westmann, Till ; Moerkotte, Guido (1999) Variations on grouping and aggregation. Technical Reports Mannheim 99/011 [Arbeitspapier]

Helmer, Sven ; Westmann, Till ; Moerkotte, Guido Diag-Join : An Opportunistic Join Algorithm for 1:N Relationships. Gupta, Ashish Proceedings of the 24th International Conference on Very Large Data Bases (VLDB), New York, USA, August 1998 98-109 In: Proceedings of the twenty-fourth International Conference on Very Large Databases : New York, NY, USA, 24 - 27 August, 1998 (1998) San Francisco, Calif. [Konferenzveröffentlichung]

Scheufele, Wolfgang ; Moerkotte, Guido Efficient Dynamic Programming Algorithms for Ordering Expensive Joins and Selections. Schek, Hans-Jörg Lecture Notes in Computer Science 1377 199-215 In: Advances in database technology - EDBT'98 : 6th International Conference on Extending Database Technology, Valencia, Spain, March 23 - 27, 1998; proceedings (1998) Berlin [u.a.] [Konferenzveröffentlichung]

Christophides, Vassilis ; Cluet, Sophie ; Moerkotte, Guido ; Siméon, Jérôme (1998) Optimizing Generalized Path Expressions Using a Cocktail of Database and Full Text Indexes. Networking and Information Systems Journal : NIS Paris 1 2/3 177-194 [Zeitschriftenartikel]

Moerkotte, Guido Small Materialized Aggregates: A Light Weight Index Structure for Data Warehousing. Gupta, Ashish Proceedings of the 24th International Conference on Very Large Data Bases (VLDB), New York, USA, August 1998 476-487 In: Proceedings of the twenty-fourth International Conference on Very Large Databases : New York, NY, USA, 24 - 27 August, 1998 (1998) San Francisco, Calif. [Konferenzveröffentlichung]

Helmer, Sven ; Moerkotte, Guido Evaluation of Main Memory Join Algorithms for Joins with Set Comparison Join Predicates. Jarke, Matthias Proceedings of the 23rd International Conference on Very Large Data Bases, VLDB, Athen, 26.8.-29.8.1997 386-395 In: Proceedings of the Twenty-third International Conference on Very Large Databases : Athens, Greece, 26 - 29 August, 1997 (1997) San Francisco, Calif. [Konferenzveröffentlichung]

Steinbrunn, Michael ; Moerkotte, Guido ; Kempf, Alexander (1997) Heuristic and Randomized Optimization for the Join Ordering Problem. The VLDB Journal Berlin [u.a.] 6 3 191-208 [Zeitschriftenartikel]

Scheufele, Wolfgang ; Moerkotte, Guido On the Complexity of Generating Optimal Plans with Cross Products. Proceedings of the 16th ACM SIGACT-SIGMOD-SIGART Symposium on Principles of Database Systems 238-248 In: Proceedings of the Sixteenth ACM SIGACT-SIGMOD-SIGART Symposium on Principles of Database Systems : PODS 1997; Tucson, Arizona, May 12 - 14, 1997 (1997) New York, NY [Konferenzveröffentlichung]

Claussen, Jens ; Kemper, Alfons ; Moerkotte, Guido ; Peithner, Klaus Optimizing Queries with Universal Quantification in Object-Oriented and Object-Relational Databases. Jarke, Matthias Proceedings of the 23rd International Conference on Very Large Data Bases, VLDB, Athen, 26.8.-29.8.1997 286-295 In: Very large data bases, VLDB '97 : proceedings of the 23rd International Conference on Very Large Data Bases, Athens, Greece, 26-29 August, 1997 (1997) San Francisco, Calif. [Konferenzveröffentlichung]

Weck, Manfred ; Langen, René ; Moerkotte, Guido (1997) Produktionsnahe Softwaresysteme. VDI-Z integrierte Produktion Düsseldorf 139 5 40-44 [Zeitschriftenartikel]

Christophides, Vassilis ; Cluet, Sophie ; Moerkotte, Guido ; Siméon, Jérôme Optimizing Generalized Path Expressions Using Full Text Indexes. Ferrié, Jean Bases de Données Avancées, BDA, Clermont-Ferrand, 3.7.-7.7.1997 405-424 In: BDA'97 : 13e journées Bases de données avancées, Grenoble, 9-12 septembre 1997 (1997) [Grenoble] [Konferenzveröffentlichung]

Abiteboul, Serge ; Cluet, Sophie ; Christophides, Vassilis ; Milo, Tova ; Moerkotte, Guido ; Siméon, Jérôme (1997) Querying Documents in Object Databases. International Journal on Digital Libraries Berlin [u.a.] 1 1 5-19 [Zeitschriftenartikel]

Fiebig, Thorsten ; Weiss, Jürgen ; Moerkotte, Guido RAW : A Relational Algebra for the Web. Proceedings of the Workshop on Management of Semi-structured Data 34-41 In: ACM SIGMOD Workshop on Management of Semi-structured Data : Tucson, AZ, USA, 16 May 1997; proceedings (1997) New York, NY [Konferenzveröffentlichung]

Christophides, Vassilis ; Cluet, Sophie ; Moerkotte, Guido Evaluating queries with generalized path expressions. Jagadish, H. V. SIGMOD Record 25,2 413-422 In: Proceedings of the 1996 ACM SIGMOD International Conference on Management of Data ; Montréal, Québec, Canada, June 4 - 6, 1996 (1996) New York, NY [Konferenzveröffentlichung]

Gerlhof, Carsten A. ; Kemper, Alfons ; Moerkotte, Guido (1996) On the Cost of Monitoring and Reorganization of Object Bases for Clustering. SIGMOD Record New York, NY 25 3 22-27 [Zeitschriftenartikel]

Scheufele, Wolfgang ; Moerkotte, Guido (1996) Optimal Ordering of Selections and Joins in Acyclic Queries with Expensive Predicates. Technical Report / RWTH Aachen Aachen 3 [Arbeitspapier]

Claussen, Jens ; Kemper, Alfons ; Moerkotte, Guido ; Steinbrunn, Michael ; Peithner, Klaus (1996) Optimization and Evaluation of Disjunctive Queries. Technical Report of the University of Passau MIP Passau 96-15 [Arbeitspapier]

Gottlob, Georg ; Moerkotte, Guido ; Subrahmanian, V. S. The PARK Semantics for Active Rules. Apers, Peter M. G. Advances in database technology : 5th International Conference on Extending Database Technology, Avignon, France, March 25 - 29, 1996; proceedings 35-55 In: Advances in database technology : 5th International Conference on Extending Database Technology, Avignon, France, March 25 - 29, 1996; proceedings (1996) Berlin [Konferenzveröffentlichung]

Böhm, Alexander ; Kanne, Carl-Christian ; Moerkotte, Guido Demaq: A Foundation for Declarative XML Message Processing. Online proceedings / CIDR 2007, Third Biennial Conference on Innovative Data Systems Research, Asilomar, CA, USA, January 7-10, 2007 33-43 In: CIDR 2007, Third Biennial Conference on Innovative Data Systems Research, Asilomar, CA, USA, January 7-10, 2007, Online Proceedings (2007) Asilomar, CA (Asilomar, CA) [Konferenzveröffentlichung]

Brantner, Matthias ; Kanne, Carl-Christian ; Moerkotte, Guido Let a Single FLWOR Bloom. Database and XML Technologies : 5th International XML Database Symposium, XSym 2007, Vienna, Austria, September 23-24, 2007, Proceedings 46-61 In: Database and XML Technologies : 5th International XML Database Symposium, XSym 2007, Vienna, Austria, September 23-24, 2007, Proceedings (2007) Heidelberg [u.a.] [Konferenzveröffentlichung]

Böhm, Alexander ; Kanne, Carl-Christian ; Moerkotte, Guido A Declarative Control Language for Dependable XML Message Queues. First International Conference on Availability, Reliability and Security, ARES 2006 : The International Dependability Conference - Bridging Theory and Practice, April 20-22 2006, Vienna University of Technology, Austria ; proceedings 832-839 In: Proceedings / The First International Conference on Availability, Reliability and Security, 2006 : ARES 2006 ; 20 - 22 April 2006, Vienna, Austria (2006) Los Alamitos, Calif. [u.a.] [Konferenzveröffentlichung]

Böhm, Alexander ; Brantner, Matthias ; Kanne, Carl-Christian ; May, Norman ; Moerkotte, Guido Natix Visual Interfaces. Ioannidis, Yannis Lecture Notes in Computer Science 3896 1125-1129 In: Advances in database technology - EDBT 2006 : 10th International Conference on Extending Database Technology, Munich, Germany, March 26 - 31, 2006; proceedings (2006) Berlin [u.a.] EDBT 2006 (München, Germany) [Konferenzveröffentlichung]

Brantner, Matthias ; Kanne, Carl-Christian ; Moerkotte, Guido ; Helmer, Sven Algebraic Optimization of Nested XPath Expressions. Barga, Roger S. 22nd International Conference on Data Engineering, ICDE 2006, 3-8 April 2006, Atlanta, GA, USA; proceedings 128 In: 22nd International Conference on Data Engineering workshops : 3 - 7 April 2006, Atlanta, Georgia ; proceedings (2006) Los Alamitos, Calif. [Konferenzveröffentlichung]

Kanne, Carl-Christian ; Moerkotte, Guido A Linear Time Algorithm for Optimal Tree Sibling Partitioning and Approximation Algorithms in Natix. Dayal, Umeshwar 1 91-102 In: Proceedings of the 32nd International Conference on Very Large Data Bases : VLDB 2006; September 12-15, 2006, Coex, Seoul, Korea (2006) Red Hook, NY [Konferenzveröffentlichung]

Kanne, Carl-Christian ; Moerkotte, Guido Template Folding for XPath. Carey, Michael Proceedings / 3rd International Workshop on XQuery Implementation, Experience and Perspectives, in cooperation with ACM SIGMOD, June 30, 2006, Chicago, USA 1-6 In: Proceedings of the 3rd International Workshop on XQuery Implementation, Experience and Perspectives, in cooperation with ACM SIGMOD, June 30, 2006, Chicago, USA (2006) Chicago, Ill. 3. XIME-P 2006 [Konferenzveröffentlichung]

Brantner, Matthias ; Helmer, Sven ; Kanne, Carl-Christian ; Moerkotte, Guido Kappa-Join: Efficient Execution of Existential Quantification in XML Query Languages. Amer-Yahia, Sihem Lecture Notes in Computer Science 4156 1-15 In: Database and XML technologies : 4th International XML Database Symposium, XSym 2006, Seoul, Korea, September 10 - 11, 2006; proceedings (2006) Berlin [u.a.] XSym 2006 (Seoul, Korea) [Konferenzveröffentlichung]

May, Norman ; Brantner, Matthias ; Böhm, Alexander ; Kanne, Carl-Christian ; Moerkotte, Guido Index vs. Navigation in XPath Evaluation. 16-30 In: Database and XML Technologies : 4th International XML Database Symposium,XSym 2006, Seoul, Korea, September 10-11, 2006, Proceedings (2006) Heidelberg; Berlin [Konferenzveröffentlichung]

Kanne, Carl-Christian ; Moerkotte, Guido (2006) The importance of sibling clustering for efficient bulkload of XML document trees. IBM Systems Journal Armonk, NY 45 2 321-334 [Zeitschriftenartikel]

Helmer, Sven ; Aly, Robin ; Neumann, Thomas ; Moerkotte, Guido Indexing Set-Valued Attributes with a Multi-Level Extendible Hashing Scheme. Wagner, Roland Lecture Notes in Computer Science 4653 98-108 In: Database and expert systems applications : 18th International Conference, DEXA 2007, Regensburg, Germany, September 3 - 7, 2007; proceedings (2007) Berlin [u.a.] [Konferenzveröffentlichung]

Brantner, Matthias ; May, Norman ; Moerkotte, Guido Unnesting Scalar SQL Queries in the Presence of Disjunction. Chirkova, Rada Proceedings / 23nd International Conference on Data Engineering, ICDE 2007, April 15-20, 2007, The Marmara Hotel, Istanbul, Turkey 46-55 In: Proceedings of the 23nd International Conference on Data Engineering, ICDE 2007, April 15-20, 2007, The Marmara Hotel, Istanbul, Turkey (2007) Los Alamitos, Calif. [Konferenzveröffentlichung]

May, Norman ; Moerkotte, Guido Efficient XQuery Evaluation of Grouping Conditions with Duplicate Removals. Barbosa, Denilson Lecture Notes in Computer Science 4704 62-76 In: Database and XML technologies : 5th International XML Database Symposium, XSym 2007, Vienna, Austria, September 23 - 24, 2007; proceedings (2007) Berlin [u.a.] [Konferenzveröffentlichung]

Neumann, Thomas ; Helmer, Sven ; Moerkotte, Guido On the Optimal Ordering of Maps, Selections, and Joins Under Factorization. Bell, David A. Lecture Notes in Computer Science 4042 115-126 In: Flexible and efficient information handling : 23rd British National Conference on Databases, BNCOD 23, Belfast, Northern Ireland, UK, July 18-20, 2006; proceedings (2006) Berlin [u.a.] BNCOD 23 (Belfast, Northern Ireland, UK) [Konferenzveröffentlichung]

Moerkotte, Guido ; Neumann, Thomas Analysis of Two Existing and One New Dynamic Programming Algorithm for the Generation of Optimal Bushy Join Trees without Cross Products. Dayal, Umeshwar 930-941 In: Proceedings of the 32nd International Conference on Very Large Data Bases : VLDB 2006; September 12-15, 2006, Coex, Seoul, Korea (2006) Red Hook, NY [Konferenzveröffentlichung]

May, Norman ; Helmer, Sven ; Moerkotte, Guido (2006) Strategies for Query Unnesting in XML Databases. ACM Transactions on Database Systems : TODS New York, NY [u.a.] 31 3 968-1013 [Zeitschriftenartikel]

Pavlov, Aleksei ; Helmer, Sven ; Moerkotte, Guido A Model-Based Monitoring and Diagnosis System for a Space-Based Astrometry Mission. Lecture Notes in Computer Science 3588 920-929 In: Database and expert systems applications : 16th International Conference, DEXA 2005, Copenhagen, Denmark, August 22-26, 2005; proceedings (2005) Berlin [u.a.] [Konferenzveröffentlichung]

Neumann, Thomas ; Helmer, Sven ; Moerkotte, Guido On the Optimal Ordering of Maps and Selections under Factorization. Proceedings / 21st International Conference on Data Engineering, ICDE 2005, 5-8 April 2005, Tokyo, Japan 490-501 In: Proceedings / 21st International Conference on Data Engineering, ICDE 2005, 5-8 April 2005, Tokyo, Japan (2005) Los Alamitos, Calif. [Konferenzveröffentlichung]

Amaral, Vasco Miguel Moreira do ; Helmer, Sven ; Moerkotte, Guido Formally Specifying the Syntax and Semantics of a Visual Query Language for the Domain of High Energy Physics Data Analysis. Proceedings / 2005 IEEE Symposium on Visual Languages and Human-Centric Computing (VL/HCC 2005), 21-24 September 2005, Dallas, TX, USA 251-258 In: Proceedings / 2005 IEEE Symposium on Visual Languages and Human-Centric Computing (VL/HCC 2005), 21-24 September 2005, Dallas, TX, USA (2005) Los Alamitos, Calif. [Konferenzveröffentlichung]

May, Norman ; Moerkotte, Guido Main Memory Implementations for Binary Grouping. Bressan, Stéphane Lecture Notes in Computer Science 3671 162-176 In: Database and XML technologies : Third International XML Database Symposium, XSym 2005, Trondheim, Norway, August 28 - 29, 2005; proceedings (2005) Berlin [u.a.] [Konferenzveröffentlichung]

Amaral, Vasco Miguel Moreira do ; Helmer, Sven ; Moerkotte, Guido PHEASANT: A PHysicist's EAsy ANalysis Tool. Christiansen, Henning Lecture Notes in Computer Science 3055 229-242 In: Flexible query answering systems : 6th International Conference, FQAS 2004, Lyon, France, June 24 - 26, 2004; proceedings (2004) Berlin [u.a.] [Konferenzveröffentlichung]

May, Norman ; Helmer, Sven ; Moerkotte, Guido Nested Queries and Quantifiers in an Ordered Context. Proceedings / 20th International Conference on Data Engineering, ICDE 2004, 30 March - 2 April 2004, Boston, MA, USA 239-250 In: Proceedings - 20th International Conference on Data Engineering, ICDE 2004 : 30 March - 2 April 2004, Boston, Massachusetts, USA (2004) Los Alamitos, Calif. [u.a.] [Konferenzveröffentlichung]

Neumann, Thomas ; Moerkotte, Guido An Efficient Framework for Order Optimization. Proceedings / 20th International Conference on Data Engineering, ICDE 2004, 30 March - 2 April 2004, Boston, MA, USA 461-472 In: Proceedings / 20th International Conference on Data Engineering, ICDE 2004, 30 March - 2 April 2004, Boston, MA, USA (2004) Los Alamitos, Calif. [Konferenzveröffentlichung]

Neumann, Thomas ; Moerkotte, Guido A Combined Framework for Grouping and Order Optimization. Nascimento, Mario A. Proceedings / Thirtieth International Conference on Very Large Data Bases, Toronto, Canada, August 31 - September 3 2004 960-971 In: Proceedings of the Thirtieth International Conference on Very Large Data Bases : Toronto, Canada, August 31 - September 3, 2004 (2004) St. Louis, Mo. [Konferenzveröffentlichung]

Helmer, Sven ; Moerkotte, Guido (2003) Indexstrukturen für XML. Rahm, Erhard Web & Datenbanken : Konzepte, Architekturen, Anwendungen Heidelberg 217-250 [Buchkapitel]

Böhm, Alexander ; Kanne, Carl-Christian ; Moerkotte, Guido Implementierung von skalierbaren, hochperformanten Web Services durch deklarative Nachrichtenverarbeitung. Haasis, Klaus Aktuelle Trends in der Softwareforschung : Tagungsband zum doIT Software-Forschungstag 2006, Mannheim 47-66 In: Aktuelle Trends in der Softwareforschung : Tagungsband zum doIT Software-Forschungstag 2006 (2006) Heidelberg [Konferenzveröffentlichung]

Moerkotte, Guido ; Neumann, Thomas Faster Join Enumeration for Complex Queries. Proceedings / IEEE International Conference on Data Engineering, 24, April 7-12, 2008, Cancún 1430-1432 In: 2008 IEEE 24th International Conference on Data Engineering : Cancun, Mexico, 7 - 12 April 2008 (2008) Piscataway, NJ [Konferenzveröffentlichung]

Moerkotte, Guido ; Neumann, Thomas Dynamic programming strikes back. Lakshmanan, Laks V. S. Proceedings of the ACM SIGMOD International Conference on Management of Data, SIGMOD 2008, Vancouver, BC, Canada, June 10-12, 2008 539-552 In: SIGMOD '08 : Proceedings of the 2008 ACM SIGMOD international conference on Management of data (2008) New York, NY [Konferenzveröffentlichung]

Moerkotte, Guido ; Neumann, Thomas ; Steidl, Gabriele (2009) Preventing Bad Plans by Bounding the Impact of Cardinality Estimation Errors. Proceedings of the VLDB Endowment [New York, NY] 2 1 982-993 [Zeitschriftenartikel]

Neumann, Thomas ; Moerkotte, Guido (2009) Generating optimal DAG-structured query evaluation plans. Computer Science, Research + Development Berlin [u.a.] 24 4 103-117 [Zeitschriftenartikel]

Neumann, Thomas ; Moerkotte, Guido A Framework for Reasoning about Share Equivalence and Its Integration into a Plan Generator. Freytag, Johann Christoph GI-Edition : Lecture Notes in Informatics. Proceedings 144 7-26 In: BTW 2009, Datenbanksysteme in Business, Technologie und Web : 13. Fachtagung des GI-Fachbereichs "Datenbanken und Informationssysteme" (DBIS), 2. - 6. März 2009 in Münster, Germany (2009) Bonn [Konferenzveröffentlichung]

Setzer, Simon ; Steidl, Gabriele ; Teuber, Tanja ; Moerkotte, Guido (2010) Approximation related to quotient functionals. Journal of Approximation Theory Amsterdam [u.a.] 162 3 545-558 [Zeitschriftenartikel]

Moerkotte, Guido ; Neumann, Thomas Accelerating Queries with Group-By and Join by Groupjoin. Jagadish, H. V. Proceedings of the VLDB Endowment 4 843-851 In: 37th International Conference on Very Large Data Bases 2011 (VLDB 2011) : Seattle, Washington, USA, 29 August - 3 September 2011 (2012) Red Hook, NY [Konferenzveröffentlichung]

Neumann, Thomas ; Moerkotte, Guido Characteristic sets: Accurate cardinality estimation for RDF queries with multiple joins. Abiteboul, Serge 984-994 In: Proceedings of the 27th International Conference on Data Engineering, ICDE 2011, Hannover, Germany (2011) Piscataway, NJ [u.a.] ICDE 2011 (Hannover, Germany) [Konferenzveröffentlichung]

Fender, Pit ; Moerkotte, Guido A new, highly efficient, and easy to implement top-down join enumeration algorithm. Abiteboul, Serge 864-875 In: 2011 IEEE 27th International Conference on Data Engineering (ICDE 2011) : Hannover, Germany, 11 - 16 April 2011 (2011) Piscataway, NJ [u.a.] ICDE 2011 (Hannover, Germany) [Konferenzveröffentlichung]

Fender, Pit ; Moerkotte, Guido ; Neumann, Thomas ; Leis, Viktor Effective and Robust Pruning for Top-Down Join Enumeration Algorithms. Kementsietsidis, Anastasios 414-425 In: IEEE 28th International Conference on Data Engineering (ICDE 2012) : Arlington, Virginia, USA, 1 - 5 April 2012 ; [proceedings] (2012) Piscataway, NJ ICDE 2012 (Washington, DC) [Konferenzveröffentlichung]

Fender, Pit ; Moerkotte, Guido (2012) Reassessing Top-Down Join Enumeration. IEEE Transactions on Knowledge and Data Engineering : TKDE New York 24 10 1803-1818 [Zeitschriftenartikel]

Moerkotte, Guido ; Fender, Pit ; Eich, Marius On the correct and complete enumeration of the core search space. Ross, Kenneth A. 493-504 In: SIGMOD/PODS'13 : compilation proceedings of the 2013 ACM Symposium on Principles of Database Systems, ACM SIGMOD International Conference on Management of Data, and SIGMOD/PODS 2013 PhD Symposium; June 22 - 27, 2013, New York, New York, USA (2013) [New York, NY] [Konferenzveröffentlichung]

Fender, Pit ; Moerkotte, Guido Top down plan generation: From theory to practice. Jensen, Christian S. 1105-1116 In: 2013 IEEE 29th International Conference on Data Engineering (ICDE 2013) : Brisbane, Australia, 8 - 12 April 2013 ; [proceedings] (2013) Piscataway, NJ [Konferenzveröffentlichung]

Fender, Pit ; Moerkotte, Guido Counter Strike: Generic Top-Down Join Enumeration for Hypergraphs. Proceedings of the VLDB Endowment 6,14 1822-1833 (2013) [New York, NY] [Konferenzveröffentlichung]

Fender, Pit (2014) Algorithms for Efficient Top-Down Join Enumeration. Mannheim [Dissertation]

Vorschau

Eich, Marius ; Moerkotte, Guido (2014) Dynamic Programming: The Next Step. Technical report Mannheim [Bericht]

Vorschau

Moerkotte, Guido ; DeHaan, David ; May, Norman ; Nica, Anisoara ; Böhm, Alexander Exploiting ordered dictionaries to efficiently construct histograms with q-error guarantees in SAP HANA. Dyreson, Curtis 361-372 In: SIGMOD/PODS'14 : compilation proceedings of the 2014 ACM Symposium on Principles of Database Systems; ACM SIGMOD International Conference on Management of Data, and SIGMODS/PODS 2014 PhD Symposium; June 22 - 27, 2014, Snowbird, UT, USA (2014) [New York, NY] [Konferenzveröffentlichung]

Moerkotte, Guido ; Montag, Martin ; Repetti, Audrey ; Steidl, Gabriele (2015) Proximal operator of quotient functions with application to a feasibility problem in query optimization. Journal of Computational and Applied Mathematics Amsterdam [u.a.] 285 243-255 [Zeitschriftenartikel]

Eich, Marius ; Moerkotte, Guido Dynamic programming: the next step. 903-914 In: 2015 IEEE 31st International Conference on Data Engineering (ICDE 2015) : Seoul, South Korea, 13 - 17 April 2015 (2015) Piscataway, NJ [u.a.] [Konferenzveröffentlichung]

Eich, Marius ; Fender, Pit ; Moerkotte, Guido (2016) Faster plan generation through consideration of functional dependencies and keys. Proceedings of the VLDB Endowment New York, NY 9 10 756-767 [Zeitschriftenartikel]

Kastrati, Fisnik ; Moerkotte, Guido (2016) Optimization of conjunctive predicates for main memory column stores. Proceedings of the VLDB Endowment New York, NY 9 12 1125-1136 [Zeitschriftenartikel]

Eich, Marius (2017) Extending dynamic-programming-based plan generators: beyond pure enumeration. Mannheim [Dissertation]

Vorschau

Kastrati, Fisnik ; Moerkotte, Guido Optimization of disjunctive predicates for main memory column stores. Chirkova, Rada 731-744 In: SIGMOD '17 : Proceedings of the 2017 ACM International Conference on Management of Data, May 14-19, 2017, Chicago, IL, USA (2017) Chicago, IL SIGMOD '17 (Chicago, IL) [Konferenzveröffentlichung]

Kastrati, Fisnik (2018) Optimization of Boolean expressions for main memory database systems. Mannheim [Dissertation]

Vorschau

Müller, Magnus ; Moerkotte, Guido ; Kolb, Oliver ORCID: 0000-0001-6947-5520 (2018) Improved selectivity estimation by combining knowledge from sampling and synopses. Proceedings of the VLDB Endowment [New York, NY] 11 9 1016-1028 [Zeitschriftenartikel]

Kastrati, Fisnik ; Moerkotte, Guido IEEE Generating optimal plans for Boolean expressions. 1013-1024 In: IEEE 34th International Conference on Data Engineering : ICDE 2018 : 16-19 April 2018, Paris, France : proceedings (2018) Piscataway, NJ 34th International Conference on Data Engineering (ICDE) (Paris, France) [Konferenzveröffentlichung]

Eich, Marius ; Fender, Pit ; Moerkotte, Guido (2018) Efficient generation of query plans containing group-by, join, and groupjoin. The VLDB Journal Berlin ; Heidelberg 27 5 617-641 [Zeitschriftenartikel]

Meister, Andreas ; Moerkotte, Guido ; Saake, Gunter (2018) Errata for "Analysis of two existing and one new dynamic programming algorithm for the generation of optimal bushy join trees without cross products". Proceedings of the VLDB Endowment [New York, NY] 11 10 1069-1070 [Zeitschriftenartikel]

Moerkotte, Guido ; Hertzschuch, Axel alpha to omega: the G(r)eek alphabet of sampling. 1-15 In: CIDR 2020 : 10th Conference on Innovative Data Systems Research, Amsterdam, The Netherlands, January 12-15, 2020, Online Proceedings (2020) Amsterdam CIDR 2020 (Online) [Konferenzveröffentlichung]

Havenstein, Diego ; Lysakovski, Peter ; May, Norman ; Moerkotte, Guido ; Steidl, Gabriele Fast entropy maximization for selectivity estimation of conjunctive predicates on CPUs and GPUs. Bonifati, Angela ; Zhou, Yongluan ; Vaz Salles, Marcos Antonio ; Böhm, Alexander ; Olteanu, Dan ; Fletcher, George ; Khan, Arijit ; Yang, Bin 546-554 In: Advances in Database Technology - EDBT 2020 : 23rd International Conference on Extending Database Technology, Copenhagen, Denkmark, March 30-April 2, 2020 : proceedings (2020) Kopenhagen EDBT 2020 (Online) [Konferenzveröffentlichung]

Brendle, Michael ; Weber, Nick ; Valyiev, Mahammad ; May, Norman ; Schulze, Robert ; Böhm, Alexander ; Moerkotte, Guido ; Grossniklaus, Michael Precise, compact, and fast data access counters for automated physical database design. Sattler, Kai-Uwe ; Herschel, Melanie ; Lehner, Wolfgang GI-Edition : Lecture Notes in Informatics. Proceedings 311 79-100 In: Datenbanksysteme für Business, Technologie und Web (BTW 2021) : 13.-17. September 2021 in Dresden, Deutschland (2021) Bonn BTW 2021, Online Lecture Series (Online) [Konferenzveröffentlichung]

Müller, Magnus ; Flachs, Daniel ; Moerkotte, Guido Memory-efficient key/Foreign-key join size estimation via multiplicity and intersection size. Ailamaki, Anastasia ; Garofalakis, Minos N. 984-995 In: 2021 IEEE 37th International Conference on Data Engineering (ICDE) (2021) Chania ICDE 2021 (Online) [Konferenzveröffentlichung]

Hertzschuch, Axel ; Moerkotte, Guido ; Lehner, Wolfgang ; May, Norman ; Wolf, Florian ; Fricke, Lars Small selectivities matter: Lifting the burden of empty samples. Li, Guoliang ; Li, Zhanhuai 697-709 In: Proceedings of the 2021 International Conference on Management of Data : SIGMOD/PODS '21 (2021) New York, NY SIGMOD/PODS '21 (Online) [Konferenzveröffentlichung]

Flachs, Daniel ; Müller, Magnus ; Moerkotte, Guido The 3D hash join: Building on non-unique join attributes. 1-9 In: 12th Conference on Innovative Data Systems Research, CIDR 2022, Chaminade, Ca, USA, January 9-12, 2022 (2022) Chaminade CIDR 2022 (Chaminade, CA, Hybrid) [Konferenzveröffentlichung]

Brendle, Michael ; Weber, Nick ; Vallyev, Mahammad ; May, Norman ; Schulze, Robert ; Böhm, Alexander ; Moerkotte, Guido ; Grossniklaus, Michael SAHARA: Memory footprint reduction of cloud databases with automated table partitioning. Advances in Database Technology 25,1 13-26 In: Proceedings of the 25th International Conference on Extending Database Technology, EDBT 2022. Edinburgh, UK, March 29 - April 1 (2022) Konstanz EDBT 2022 (Edinburgh, UK) [Konferenzveröffentlichung]

Müller, Magnus ; Moerkotte, Guido Translation grids for multi-way join size estimation. Advances in Database Technology 25, 2 378-382 In: Proceedings of the 25th International Conference on Extending Database Technology, EDBT 2022. Edinburgh, UK, March 29 - April 1 (2022) Konstanz EDBT 2022 (Edinburgh, UK) [Konferenzveröffentlichung]

Müller, Magnus (2022) Selected problems in cardinality estimation. Mannheim [Dissertation]

Fent, Philipp ; Moerkotte, Guido ; Neumann, Thomas (2023) Asymptotically better query optimization using indexed algebra. Proceedings of the VLDB Endowment New York, NY 16 11 3018-3030 [Zeitschriftenartikel]

Cluet, Sophie ; Moerkotte, Guido Efficient evaluation of aggregates on bulk types. Atzeni, Paolo ; Tannen, Val 1-10 In: Database programming languages (DBPL-5) : proceedings of the Fifth International Workshop on Database Programming Languages, Gubbio, Umbria, Italy, 6-8 September 1995 (1996) London ; Heidelberg [u.a.] DBPL-5 (Gubbio, Italy) [Konferenzveröffentlichung]

Schlather, Martin ; Freudenberg, Alexander ; Moerkotte, Guido ; Pook, Torsten ; Vandenplas, Jeremie Software project "miraculix": Efficient computations with large genomic datasets. Interbull Bulletin 59 15-22 In: Proceedings of the 2023 Interbull Meeting, Lyon, France, 26-27 August 2023 (2023) Uppsala 2023 Interbull Meeting (Lyon, France) [Konferenzveröffentlichung]