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Article

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 [Article]

Eich, Marius ; Fender, Pit ; Moerkotte, Guido (2018) Efficient generation of query plans containing group-by, join, and groupjoin. The VLDB Journal : The International Journal on Very Large Data Bases Berlin ; Heidelberg 27 5 617-641 [Article]

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 [Article]

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 [Article]

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 [Article]

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 [Article]

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

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 [Article]

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 [Article]

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

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 [Article]

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 [Article]

Helmer, Sven ; Moerkotte, Guido (2003) A performance study of four index structures for set-valued attributes of low cardinality. The VLDB Journal : The international Journal on very large Data Bases Berlin ; Heidelberg 12 3 244 -261 [Article]

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 [Article]

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

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

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 : The international Journal on very large Data Bases Berlin ; Heidelberg 11 4 292-314 [Article]

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

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

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 [Article]

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 [Article]

Christophides, Vassilis ; Cluet, Sophie ; Moerkotte, Guido ; Simeon, 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 [Article]

Steinbrunn, Michael ; Moerkotte, Guido ; Kempf, Alexander (1997) Heuristic and Randomized Optimization for the Join Ordering Problem. The VLDB Journal : The international Journal on very large Data Bases Berlin [u.a.] 6 3 191-208 [Article]

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

Abiteboul, Serge ; Cluet, Sophie ; Christophides, Vassilis ; Milo, Tova ; Moerkotte, Guido ; Simeon, Jérôme (1997) Querying Documents in Object Databases. International Journal on Digital Libraries Berlin [u.a.] 1 1 5-17 [Article]

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

Book chapter

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

Fiebig, Thorsten ; Moerkotte, Guido (2001) Evaluating Queries on Structure with eXtended Access Support Relations. The World Wide Web and Databases 125-136 [Book chapter]

Fiebig, Thorsten ; Moerkotte, Guido (2000) Evaluating Queries on Structure with eXtended Access Support Relations. WebDB 2000 [Book chapter]

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 [Book chapter]

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 [Book chapter]

Doctoral dissertation

Kastrati, Fisnik (2018) Optimization of Boolean expressions for main memory database systems. Open Access Mannheim [Doctoral dissertation]
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Eich, Marius (2017) Extending dynamic-programming-based Plan generators: beyond pure enumeration. Open Access Mannheim [Doctoral dissertation]
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Fender, Pit (2014) Algorithms for Efficient Top-Down Join Enumeration. Open Access Mannheim [Doctoral dissertation]
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Brantner, Matthias (2007) Rewriting Declarative Query Languages. Open Access [Doctoral dissertation]
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May, Norman (2007) An Algebraic Approach to XQuery Optimization. Open Access [Doctoral dissertation]
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Pavlov, Aleksei (2006) A model-based monitoring system for a space-based astrometry mission. Open Access [Doctoral dissertation]
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Belikov, Andrew (2005) Development and Implementation of the Quasi-Online Archive System for the Mixed Astrometrical and Photometrical Data. Open Access [Doctoral dissertation]
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Neumann, Thomas (2005) Efficient Generation and Execution of DAG-Structured Query Graphs. Open Access [Doctoral dissertation]
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Amaral, Vasco Miguel Moreira do (2004) Increasing productivity in High Energy Physics data mining with a Domain Specific Visual Query Language. Open Access [Doctoral dissertation]
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Kanne, Carl-Christian (2002) Core Technologies for Native XML Database Management Systems. Open Access [Doctoral dissertation]
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Westmann, Till (2000) Effiziente Laufzeitsysteme für Datenlager. Open Access [Doctoral dissertation]
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Helmer, Sven (2000) Performance Enhancements for Advanced Database Management Systems. Open Access [Doctoral dissertation]
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Scheufele, Wolfgang (1998) Algebraic Query Optimization in Database Systems (Algebraische Anfrageoptimierung in Datenbanksystemen). Open Access [Doctoral dissertation]
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Conference or workshop publication

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) [Conference or workshop publication]

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) [Conference or workshop publication]

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.] [Conference or workshop publication]

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] [Conference or workshop publication]

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] [Conference or workshop publication]

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 [Conference or workshop publication]

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] [Conference or workshop publication]

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 [Conference or workshop publication]

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) [Conference or workshop publication]

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) [Conference or workshop publication]

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) [Conference or workshop publication]

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 [Conference or workshop publication]

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

Moerkotte, Guido ; Neumann, Thomas Dynamic programming strikes back. Lakshmanan, Laks V. S. 539-552 In: SIGMOD '08 : Proceedings of the 2008 ACM SIGMOD international conference on Management of data (2008) New York, NY [Conference or workshop publication]

Böhm, Alexander ; Kanne, Carl-Christian ; Moerkotte, Guido Demaq: A Foundation for Declarative XML Message Processing. 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) [Conference or workshop publication]

Brantner, Matthias ; Kanne, Carl-Christian ; Moerkotte, Guido Let a Single FLWOR Bloom. 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.] [Conference or workshop publication]

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.] [Conference or workshop publication]

Brantner, Matthias ; May, Norman ; Moerkotte, Guido Unnesting Scalar SQL Queries in the Presence of Disjunction. Chirkova, Rada 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. [Conference or workshop publication]

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.] [Conference or workshop publication]

Böhm, Alexander ; Kanne, Carl-Christian ; Moerkotte, Guido A Declarative Control Language for Dependable XML Message Queues. 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.] [Conference or workshop publication]

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) Cham EDBT 2006 (München, Germany) [Conference or workshop publication]

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

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 [Conference or workshop publication]

Kanne, Carl-Christian ; Moerkotte, Guido Template Folding for XPath. Carey, Michael 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 [Conference or workshop publication]

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) [Conference or workshop publication]

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 [Conference or workshop publication]

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) [Conference or workshop publication]

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 [Conference or workshop publication]

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

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.] [Conference or workshop publication]

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

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. 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. [Conference or workshop publication]

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.] [Conference or workshop publication]

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.] [Conference or workshop publication]

May, Norman ; Helmer, Sven ; Moerkotte, Guido Nested Queries and Quantifiers in an Ordered Context. 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.] [Conference or workshop publication]

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

Neumann, Thomas ; Moerkotte, Guido A Combined Framework for Grouping and Order Optimization. Nascimento, Mario A. 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. [Conference or workshop publication]

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.] [Conference or workshop publication]

Helmer, Sven ; Neumann, Thomas ; Moerkotte, Guido Estimating the Output Cardinality of Partial Preaggregation with a Measure of Clusteredness. Freytag, Johann Christoph 656-667 In: Proceedings of the twenty-ninth International Conference on Very Large Databases : Berlin, Germany, 9 - 12 September, 2003 (2003) St. Louis, Mo. [Conference or workshop publication]

Helmer, Sven ; Kanne, Carl-Christian ; Moerkotte, Guido Lock-based Protocols for Cooperationn on XML Documents. Martin, Danielle C. 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.] [Conference or workshop publication]

May, Norman ; Helmer, Sven ; Moerkotte, Guido Quantifiers in XQuery. Catarci, Tiziana 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.] [Conference or workshop publication]

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.] [Conference or workshop publication]

Moerkotte, Guido Incorporating XSL Processing into Database Engines. Bernstein, Philip A. 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 [Conference or workshop publication]

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.] [Conference or workshop publication]

Helmer, Sven ; Kanne, Carl-Christian ; Moerkotte, Guido Optimized Translation of XPath into Algebraic Expressions Parameterized by Programs Containing Navigational Primitives. Ling, Tok Wang 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.] [Conference or workshop publication]

Fiebig, Thorsten ; Moerkotte, Guido Algebraic XML Construction in Natix. Ozsu, Tamer 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.] [Conference or workshop publication]

Helmer, Sven Indexing Fuzzy Data. Smith, Michael H. 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 [Conference or workshop publication]

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 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.] [Conference or workshop publication]

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

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 [Conference or workshop publication]

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

Helmer, Sven ; Westmann, Till ; Moerkotte, Guido Diag-Join : An Opportunistic Join Algorithm for 1:N Relationships. Gupta, Ashish 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. [Conference or workshop publication]

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.] [Conference or workshop publication]

Moerkotte, Guido Small Materialized Aggregates: A Light Weight Index Structure for Data Warehousing. Gupta, Ashish 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. [Conference or workshop publication]

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

Scheufele, Wolfgang ; Moerkotte, Guido On the Complexity of Generating Optimal Plans with Cross Products. 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 [Conference or workshop publication]

Claussen, Jens ; Kemper, Alfons ; Moerkotte, Guido ; Peithner, Klaus Optimizing Queries with Universal Quantification in Object-Oriented and Object-Relational Databases. Jarke, Matthias 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. [Conference or workshop publication]

Christophides, Vassilis ; Cluet, Sophie ; Moerkotte, Guido ; Simeon, Jérôme Optimizing Generalized Path Expressions Using Full Text Indexes. Ferrié, Jean 405-424 In: BDA'97 : 13e journées Bases de données avancées, Grenoble, 9-12 septembre 1997 (1997) [Grenoble] [Conference or workshop publication]

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

Christophides, Vassilis ; Cluet, Sophie ; Moerkotte, Guido Evaluating queries with generalized path expressions. Jagadish, H. V. SIGMOD record / Association for Computing Machinery, Special Interest Group on Management of Data 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 [Conference or workshop publication]

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

Working paper

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

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

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 [Working paper]

Report

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