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2018

Kastrati, Fisnik (2018) Optimization of Boolean expressions for main memory database systems. Open Access Mannheim [Doctoral dissertation]
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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 11 9 1016-1028 [Article]

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

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 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 11 10 1069-1070 [Article]

2017

Eich, Marius (2017) Extending dynamic-programming-based Plan generators: beyond pure enumeration. Open Access Mannheim [Doctoral dissertation]
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Kastrati, Fisnik ; Moerkotte, Guido (2017) Optimization of disjunctive predicates for main memory column stores. In: SIGMOD '17 : Proceedings of the 2017 ACM International Conference on Management of Data, May 14-19, 2017, Chicago, IL, USA 2017 Chicago, IL [Conference or workshop publication]

2016

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

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

2015

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 285 243-255 [Article]

Eich, Marius ; Moerkotte, Guido (2015) Dynamic programming: the next step. 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]

2014

Fender, Pit (2014) Algorithms for Efficient Top-Down Join Enumeration. Open Access Mannheim [Doctoral dissertation]
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Eich, Marius ; Moerkotte, Guido (2014) Dynamic Programming: The Next Step. Open Access Mannheim [Report]
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Moerkotte, Guido ; DeHaan, David ; May, Norman ; Nica, Anisoara ; Böhm, Alexander (2014) Exploiting ordered dictionaries to efficiently construct histograms with q-error guarantees in SAP HANA. 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]

2013

Moerkotte, Guido ; Fender, Pit ; Eich, Marius (2013) On the correct and complete enumeration of the core search space. 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 (2013) Top down plan generation: From theory to practice. 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 (2013) Counter Strike: Generic Top-Down Join Enumeration for Hypergraphs. 2013 [New York, NY] [Conference or workshop publication]

2012

Moerkotte, Guido ; Neumann, Thomas (2012) Accelerating Queries with Group-By and Join by Groupjoin. 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 (2012) Effective and Robust Pruning for Top-Down Join Enumeration Algorithms. In: IEEE 28th International Conference on Data Engineering (ICDE 2012) : Arlington, Virginia, USA, 1 - 5 April 2012 ; [proceedings] 2012 Piscataway, NJ [Conference or workshop publication]

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

2011

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

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

2010

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

2009

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

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

Neumann, Thomas ; Moerkotte, Guido (2009) A Framework for Reasoning about Share Equivalence and Its Integration into a Plan Generator. 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]

2008

Moerkotte, Guido ; Neumann, Thomas (2008) Faster Join Enumeration for Complex Queries. 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 (2008) Dynamic programming strikes back. In: SIGMOD '08 : Proceedings of the 2008 ACM SIGMOD international conference on Management of data 2008 New York, NY [Conference or workshop publication]

2007

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

Brantner, Matthias ; Kanne, Carl-Christian ; Moerkotte, Guido (2007) Let a Single FLWOR Bloom. 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 (2007) Indexing Set-Valued Attributes with a Multi-Level Extendible Hashing Scheme. 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 (2007) Unnesting Scalar SQL Queries in the Presence of Disjunction. 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 (2007) Efficient XQuery Evaluation of Grouping Conditions with Duplicate Removals. 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]

2006

Pavlov, Aleksei (2006) A model-based monitoring system for a space-based astrometry mission. Open Access [Doctoral dissertation]
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Böhm, Alexander ; Kanne, Carl-Christian ; Moerkotte, Guido (2006) A Declarative Control Language for Dependable XML Message Queues. 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 (2006) Natix Visual Interfaces. In: Advances in database technology - EDBT 2006 : 10th International Conference on Extending Database Technology, Munich, Germany, March 26 - 31, 2006; proceedings 2006 Cham [Conference or workshop publication]

Brantner, Matthias ; Kanne, Carl-Christian ; Moerkotte, Guido ; Helmer, Sven (2006) Algebraic Optimization of Nested XPath Expressions. 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 (2006) A Linear Time Algorithm for Optimal Tree Sibling Partitioning and Approximation Algorithms in Natix. 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 (2006) Template Folding for XPath. 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. [Conference or workshop publication]

Brantner, Matthias ; Helmer, Sven ; Kanne, Carl-Christian ; Moerkotte, Guido (2006) Kappa-Join: Efficient Execution of Existential Quantification in XML Query Languages. In: Database and XML technologies : 4th International XML Database Symposium, XSym 2006, Seoul, Korea, September 10 - 11, 2006; proceedings 2006 Berlin [u.a.] [Conference or workshop publication]

May, Norman ; Brantner, Matthias ; Böhm, Alexander ; Kanne, Carl-Christian ; Moerkotte, Guido (2006) Index vs. Navigation in XPath Evaluation. 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]

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

Neumann, Thomas ; Helmer, Sven ; Moerkotte, Guido (2006) On the Optimal Ordering of Maps, Selections, and Joins Under Factorization. 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.] [Conference or workshop publication]

Moerkotte, Guido ; Neumann, Thomas (2006) Analysis of Two Existing and One New Dynamic Programming Algorithm for the Generation of Optimal Bushy Join Trees without Cross Products. 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]

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

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

2005

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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Pavlov, Aleksei ; Helmer, Sven ; Moerkotte, Guido (2005) A Model-Based Monitoring and Diagnosis System for a Space-Based Astrometry Mission. 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 (2005) On the Optimal Ordering of Maps and Selections under Factorization. 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 (2005) Formally Specifying the Syntax and Semantics of a Visual Query Language for the Domain of High Energy Physics Data Analysis. 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 (2005) Main Memory Implementations for Binary Grouping. 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]

2004

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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Amaral, Vasco Miguel Moreira do ; Helmer, Sven ; Moerkotte, Guido (2004) PHEASANT: A PHysicist's EAsy ANalysis Tool. 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 (2004) Nested Queries and Quantifiers in an Ordered Context. 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 (2004) An Efficient Framework for Order Optimization. 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 (2004) A Combined Framework for Grouping and Order Optimization. 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]

2003

Helmer, Sven ; Neumann, Thomas ; Moerkotte, Guido (2003) A Robust Scheme for Multilevel Extendible Hashing. 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 ; 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 12 3 244 -261 [Article]

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

Helmer, Sven ; Neumann, Thomas ; Moerkotte, Guido (2003) Estimating the Output Cardinality of Partial Preaggregation with a Measure of Clusteredness. 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 (2003) Evaluating Different Approaches for Indexing Fuzzy Sets. Fuzzy Sets and Systems 140 1 167 - 182 [Article]

Helmer, Sven ; Kanne, Carl-Christian ; Moerkotte, Guido (2003) Lock-based Protocols for Cooperationn on XML Documents. 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 (2003) Quantifiers in XQuery. 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 (2003) Three Cases for Query Decorrelation in XQuery. 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]

Helmer, Sven ; Moerkotte, Guido (2003) Indexstrukturen für XML. Heidelberg 217-250 [Book chapter]

2002

Kanne, Carl-Christian (2002) Core Technologies for Native XML Database Management Systems. Open Access [Doctoral dissertation]
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Fiebig, Thorsten ; Moerkotte, Guido (2002) Algebraic XML Construction and Its Optimization in Natix. World Wide Web 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 11 4 292-314 [Article]

Moerkotte, Guido (2002) Incorporating XSL Processing into Database Engines. 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 (2002) Natix: A Technology Overview. 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 (2002) Optimized Translation of XPath into Algebraic Expressions Parameterized by Programs Containing Navigational Primitives. 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]

2001

Fiebig, Thorsten ; Moerkotte, Guido (2001) Algebraic XML Construction in Natix. 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]

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

Helmer, Sven (2001) Indexing Fuzzy Data. 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]

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

Amaral, Vasco Miguel Moreira do ; Moerkotte, Guido ; Amorim, Antonio ; Helmer, Sven (2001) Studies for Optimisation of Data Analysis Queries for HEP Using HERA-B Commissioning Data. 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]

2000

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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Kanne, Carl-Christian ; Moerkotte, Guido (2000) Efficient Storage of XML Data. 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]

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

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

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

Moerkotte, Guido ; Winkens, Dunja (2000) Variationsmöglichkeiten bei der Transformation von UML-Basiskonzepten in Dokumenttypdefinitionen. 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]

1999

Lu, James ; Moerkotte, Guido ; Schü, Joachim ; Subrahmanian, V. S. (1999) Efficient Maintenance of Materialized Mediated Views. Cambridge, Mass. 275-293 [Book chapter]

Kanne, Carl-Christian ; Schreiber, Falk ; Trümbach, Dietrich (1999) Electronic Biochemical Pathways. Berlin [u.a.] 418-419 [Book chapter]

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

Kanne, Carl-Christian ; Schreiber, Falk ; Trümbach, Dietrich (1999) Interactive Biochemical Pathways. 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]

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

1998

Scheufele, Wolfgang (1998) Algebraic Query Optimization in Database Systems (Algebraische Anfrageoptimierung in Datenbanksystemen). Open Access [Doctoral dissertation]
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Helmer, Sven ; Westmann, Till ; Moerkotte, Guido (1998) Diag-Join : An Opportunistic Join Algorithm for 1:N Relationships. 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 (1998) Efficient Dynamic Programming Algorithms for Ordering Expensive Joins and Selections. 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]

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 1 2/3 177-194 [Article]

Moerkotte, Guido (1998) Small Materialized Aggregates: A Light Weight Index Structure for Data Warehousing. 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]

1997

Helmer, Sven ; Moerkotte, Guido (1997) Evaluation of Main Memory Join Algorithms for Joins with Set Comparison Join Predicates. 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]

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 6 3 191-208 [Article]

Scheufele, Wolfgang ; Moerkotte, Guido (1997) On the Complexity of Generating Optimal Plans with Cross Products. 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 (1997) Optimizing Queries with Universal Quantification in Object-Oriented and Object-Relational Databases. 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]

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

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

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

Fiebig, Thorsten ; Weiss, Jürgen ; Moerkotte, Guido (1997) RAW : A Relational Algebra for the Web. 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]

1996

Christophides, Vassilis ; Cluet, Sophie ; Moerkotte, Guido (1996) Evaluating queries with generalized path expressions. 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]

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

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

Claussen, Jens ; Kemper, Alfons ; Moerkotte, Guido ; Steinbrunn, Michael ; Peithner, Klaus (1996) Optimization and Evaluation of Disjunctive Queries. Passau [Working paper]

Gottlob, Georg ; Moerkotte, Guido ; Subrahmanian, V. S. (1996) The PARK Semantics for Active Rules. 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]

This list was created automatically on Wed Apr 24 13:05:44 2019 CEST