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Sven Helmer: [Publications] [Author Rank by year] [Co-authors] [Prefers] [Cites] [Cited by]

Publications of Author

  1. Sven Helmer, Guido Moerkotte
    Evaluation of Main Memory Join Algorithms for Joins with Set Comparison Join Predicates. [Citation Graph (3, 37)][DBLP]
    VLDB, 1997, pp:386-395 [Conf]
  2. Sven Helmer, Till Westmann, Guido Moerkotte
    Diag-Join: An Opportunistic Join Algorithm for 1:N Relationships. [Citation Graph (2, 23)][DBLP]
    VLDB, 1998, pp:98-109 [Conf]
  3. Thomas Neumann, Sven Helmer, Guido Moerkotte
    On the Optimal Ordering of Maps, Selections, and Joins Under Factorization. [Citation Graph (0, 0)][DBLP]
    BNCOD, 2006, pp:115-126 [Conf]
  4. Sven Helmer, Carl-Christian Kanne, Guido Moerkotte
    Timestamp-Based Protocols for Synchronizing Access on XML Documents. [Citation Graph (0, 0)][DBLP]
    DEXA, 2004, pp:591-600 [Conf]
  5. Aleksei Pavlov, Sven Helmer, Guido Moerkotte
    A Model-Based Monitoring and Diagnosis System for a Space-Based Astrometry Mission. [Citation Graph (0, 0)][DBLP]
    DEXA, 2005, pp:920-929 [Conf]
  6. Sven Helmer, Carl-Christian Kanne, Guido Moerkotte
    Lock-based Protocols for Cooperation on XML Documents. [Citation Graph (0, 0)][DBLP]
    DEXA Workshops, 2003, pp:230-234 [Conf]
  7. Vasco Amaral, Sven Helmer, Guido Moerkotte
    PHEASANT: A PHysicist's EAsy ANalysis Tool. [Citation Graph (0, 0)][DBLP]
    FQAS, 2004, pp:229-242 [Conf]
  8. Matthias Brantner, Carl-Christian Kanne, Guido Moerkotte, Sven Helmer
    Algebraic Optimization of Nested XPath Expressions. [Citation Graph (0, 0)][DBLP]
    ICDE, 2006, pp:128- [Conf]
  9. Matthias Brantner, Sven Helmer, Carl-Christian Kanne, Guido Moerkotte
    Full-fledged Algebraic XPath Processing in Natix. [Citation Graph (0, 0)][DBLP]
    ICDE, 2005, pp:705-716 [Conf]
  10. Norman May, Sven Helmer, Guido Moerkotte
    Nested Queries and Quantifiers in an Ordered Context. [Citation Graph (0, 0)][DBLP]
    ICDE, 2004, pp:239-250 [Conf]
  11. Thomas Neumann, Sven Helmer, Guido Moerkotte
    On the Optimal Ordering of Maps and Selections under Factorization. [Citation Graph (0, 0)][DBLP]
    ICDE, 2005, pp:490-501 [Conf]
  12. Sven Helmer, Thomas Neumann, Guido Moerkotte
    A Robust Scheme for Multilevel Extendible Hashing. [Citation Graph (0, 0)][DBLP]
    ISCIS, 2003, pp:220-227 [Conf]
  13. Thorsten Fiebig, Sven Helmer, Carl-Christian Kanne, Guido Moerkotte, Julia Neumann, Robert Schiele, Till Westmann
    Natix: A Technology Overview. [Citation Graph (0, 0)][DBLP]
    Web, Web-Services, and Database Systems, 2002, pp:12-33 [Conf]
  14. Vasco Amaral, Sven Helmer, Guido Moerkotte
    Formally Specifying the Syntax and Semantics of a Visual Query Language for the Domain of High Energy Physics Data Analysis. [Citation Graph (0, 0)][DBLP]
    VL/HCC, 2005, pp:251-258 [Conf]
  15. Sven Helmer, Thomas Neumann, Guido Moerkotte
    Estimating the Output Cardinality of Partial Preaggregation with a Measure of Clusteredness. [Citation Graph (0, 0)][DBLP]
    VLDB, 2003, pp:656-667 [Conf]
  16. Sven Helmer, Carl-Christian Kanne, Guido Moerkotte
    Optimized Translation of XPath into Algebraic Expressions Parameterized by Programs Containing Navigational Primitives. [Citation Graph (0, 0)][DBLP]
    WISE, 2002, pp:215-224 [Conf]
  17. Norman May, Sven Helmer, Guido Moerkotte
    Quantifiers in XQuery. [Citation Graph (0, 0)][DBLP]
    WISE, 2003, pp:313-316 [Conf]
  18. Norman May, Sven Helmer, Carl-Christian Kanne, Guido Moerkotte
    XQuery Processing in Natix with an Emphasis on Join Ordering. [Citation Graph (0, 0)][DBLP]
    XIME-P, 2004, pp:49-54 [Conf]
  19. Matthias Brantner, Sven Helmer, Carl-Christian Kanne, Guido Moerkotte
    Kappa-Join: Efficient Execution of Existential Quantification in XML Query Languages. [Citation Graph (0, 0)][DBLP]
    XSym, 2006, pp:1-15 [Conf]
  20. Norman May, Sven Helmer, Guido Moerkotte
    Three Cases for Query Decorrelation in XQuery. [Citation Graph (0, 0)][DBLP]
    Xsym, 2003, pp:70-84 [Conf]
  21. Sven Helmer
    Evaluating different approaches for indexing fuzzy sets. [Citation Graph (0, 0)][DBLP]
    Fuzzy Sets and Systems, 2003, v:140, n:1, pp:167-182 [Journal]
  22. Sven Helmer
    Book Review: "Recent issues on fuzzy databases" by G. Bordogna and G. Pasi (Eds.); Physica Verlag, Wurzburg, 2000, 236pp., ISBN: 3-7908-1319-2. [Citation Graph (0, 0)][DBLP]
    Fuzzy Sets and Systems, 2003, v:140, n:1, pp:229-230 [Journal]
  23. Sven Helmer, Carl-Christian Kanne, Guido Moerkotte
    XML-Datenbanksysteme und ihre Anwendung. [Citation Graph (0, 0)][DBLP]
    it - Information Technology, 2003, v:45, n:3, pp:137-142 [Journal]
  24. Sven Helmer, Carl-Christian Kanne, Guido Moerkotte
    Evaluating lock-based protocols for cooperation on XML documents. [Citation Graph (0, 0)][DBLP]
    SIGMOD Record, 2004, v:33, n:1, pp:58-63 [Journal]
  25. Till Westmann, Donald Kossmann, Sven Helmer, Guido Moerkotte
    The Implementation and Performance of Compressed Databases. [Citation Graph (0, 21)][DBLP]
    SIGMOD Record, 2000, v:29, n:3, pp:55-67 [Journal]
  26. Norman May, Sven Helmer, Guido Moerkotte
    Strategies for query unnesting in XML databases. [Citation Graph (0, 0)][DBLP]
    ACM Trans. Database Syst., 2006, v:31, n:3, pp:968-1013 [Journal]
  27. Thorsten Fiebig, Sven Helmer, Carl-Christian Kanne, Guido Moerkotte, Julia Neumann, Robert Schiele, Till Westmann
    Anatomy of a native XML base management system. [Citation Graph (0, 0)][DBLP]
    VLDB J., 2002, v:11, n:4, pp:292-314 [Journal]
  28. Sven Helmer, Guido Moerkotte
    A performance study of four index structures for set-valued attributes of low cardinality. [Citation Graph (0, 0)][DBLP]
    VLDB J., 2003, v:12, n:3, pp:244-261 [Journal]
  29. Sven Helmer, Robin Aly, Thomas Neumann, Guido Moerkotte
    Indexing Set-Valued Attributes with a Multi-level Extendible Hashing Scheme. [Citation Graph (0, 0)][DBLP]
    DEXA, 2007, pp:98-108 [Conf]
  30. Sven Helmer
    An Interval-Based Index Structure for Structure Elucidation in Chemical Databases. [Citation Graph (0, 0)][DBLP]
    IFSA, 2007, pp:625-634 [Conf]
  31. Sven Helmer
    Measuring the Structural Similarity of Semistructured Documents Using Entropy. [Citation Graph (0, 0)][DBLP]
    VLDB, 2007, pp:1022-1032 [Conf]

  32. Towards Building a Knowledge Base for Research on Andean Weaving. [Citation Graph (, )][DBLP]


  33. Fault-Tolerant Compression Algorithms for Delay-Sensitive Sensor Networks with Unreliable Links. [Citation Graph (, )][DBLP]


  34. On the Termination Problem for Declarative XML Message Processing. [Citation Graph (, )][DBLP]


  35. Increasing the Performance of Fuzzy Retrieval Using Impact Ordering. [Citation Graph (, )][DBLP]


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