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Hans-Joachim Lenz
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- affiliation: FU Berlin, Department of Economics
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2020 – today
- 2023
- [j17]Hans-Joachim Lenz:
Fake Science - zwielichtige Wissenschaft. Inform. Spektrum 46(2): 118-123 (2023) - 2022
- [j16]Hans-Joachim Lenz:
Achtung.Datentrickserei. Inform. Spektrum 45(5): 330-334 (2022) - 2021
- [j15]Hans-Joachim Lenz:
Achtung.Datentrickserei. Inform. Spektrum 44(3): 225-227 (2021) - [j14]Hans-Joachim Lenz:
Achtung.Datentrickserei. Inform. Spektrum 44(4): 310-312 (2021) - [j13]Hans-Joachim Lenz:
Achtung.Datentrickserei. Inform. Spektrum 44(5): 381-383 (2021) - 2020
- [j12]Hans-Joachim Lenz:
Datentrickserei im Taxigewerbe - von Abzocke bis Steuerbetrug. Inform. Spektrum 43(1): 65-67 (2020)
2010 – 2019
- 2019
- [j11]Hans-Joachim Lenz:
Achtung.Datentrickserei. Inform. Spektrum 42(2): 149-152 (2019) - 2017
- [c29]Thomas Schwarz, Hans-Joachim Lenz, Wilhelm Dominik:
Long-Term Projections for Commodity Prices - The Crude Oil Price Using Dynamic Bayesian Networks. OR 2017: 81-87 - 2016
- [c28]Hans-Joachim Lenz:
Tax Fraud and Investigation: A Framework for a Knowledge Based Methodology. ICISSP (Revised Selected Papers) 2016: 3-13 - [c27]Hans-Joachim Lenz:
Tax Fraud and Investigation Procedures - Everybody, Every Where, Every Time. ICISSP 2016: 7-8 - 2014
- [c26]Hans-Joachim Lenz:
Data Fraud Detection: A First General Perspective. ICEIS (Revised Selected Papers) 2014: 14-35 - [c25]Hans-Joachim Lenz:
Data Fraud Detection. ICEIS (1) 2014: IS-15 - 2013
- [b1]Roland M. Müller, Hans-Joachim Lenz:
Business Intelligence. Springer 2013, ISBN 978-3-642-35559-2
2000 – 2009
- 2009
- [j10]Ilias Michalarias, Arkadiy Omelchenko, Hans-Joachim Lenz:
FCLOS: A client-server architecture for mobile OLAP. Data Knowl. Eng. 68(2): 192-220 (2009) - [j9]Hans-Joachim Lenz, Bernhard Thalheim:
A Formal Framework of Aggregation for the OLAP-OLTP Model. J. Univers. Comput. Sci. 15(1): 273-303 (2009) - 2008
- [i4]Hidir Aras, Norbert Fuhr, Seung-won Hwang, Ander de Keijzer, Friederike Klan, Hans-Joachim Lenz, Tom Matthé, Heinz Schweppe, Mirco Stern, Guy De Tré:
08421 Working Group: Explanation. Uncertainty Management in Information Systems 2008 - [i3]Christoph Koch, Peter J. Haas, Hans-Joachim Lenz, Dan Olteanu, Christopher Ré, Maurice van Keulen, Jeff Z. Pan:
08421 Working Group: Report of the Probabilistic Databases Benchmarking. Uncertainty Management in Information Systems 2008 - [i2]Hans-Joachim Lenz:
Spreadsheet Computation with imprecise and uncertain Data. Uncertainty Management in Information Systems 2008 - [i1]Myra Spiliopoulou, Maurice van Keulen, Hans-Joachim Lenz, Jef Wijsen, Matthias Renz, Rudolf Kruse, Mirco Stern:
08421 Working Group: Imprecision, Diversity and Uncertainty: Disentangling Threads in Uncertainty Management. Uncertainty Management in Information Systems 2008 - 2007
- [c24]Ilias Michalarias, Hans-Joachim Lenz:
Optimal Query Mapping in Mobile OLAP. ADBIS 2007: 250-266 - [c23]Veit Köppen
, Henner Graubitz, Hans-Knud Arndt, Hans-Joachim Lenz:
A Procedure to Estimate Relations in a Balanced Scorecard. GfKl 2007: 363-371 - [c22]Daniel Delic, Hans-Joachim Lenz:
Non-Profit Web Portals - Usage Based Benchmarking for Success Evaluation. GfKl 2007: 561-568 - [e9]Reinhold Decker, Hans-Joachim Lenz:
Advances in Data Analysis, Proceedings of the 30th Annual Conference of the Gesellschaft für Klassifikation e.V., Freie Universität Berlin, March 8-10, 2006. Studies in Classification, Data Analysis, and Knowledge Organization, Springer 2007, ISBN 978-3-540-70980-0 [contents] - 2006
- [c21]Daniel Delic, Hans-Joachim Lenz:
Towards Success Evaluation: Multiple-Criteria Analysis of Benefits and Costs for Non-Profit Web Portals. AMCIS 2006: 65 - [c20]Veit Köppen
, Marina Allgeier, Hans-Joachim Lenz:
Balanced Scorecard Simulator - A Tool for Stochastic Business Figures. GfKl 2006: 457-464 - [c19]Hans-Joachim Lenz, Veit Köppen, Roland M. Müller:
Edits - Data Cleansing at the Data Entry to assert semantic Consistency of metric Data. SSDBM 2006: 235-240 - [p5]Hans-Joachim Lenz, Alexandr Ablovatski:
MCDA - Multi-Criteria Decision Making in e-commerce. Decision Theory and Multi-Agent Planning 2006: 31-47 - [e8]Giacomo Della Riccia, Didier Dubois, Rudolf Kruse, Hans-Joachim Lenz:
Decision Theory and Multi-Agent Planning. CISM courses and lectures : International Centre for Mechanical Sciences 482, Springer 2006, ISBN 978-3-211-31787-7 [contents] - 2005
- [c18]Roland M. Müller, Stephanie Haiduk, Nadine Heertsch, Hans-Joachim Lenz, Myra Spiliopoulou:
Experimental Investigation of the Effects of Different Market Mechanisms for Electronic Knowledge Markets. ECIS 2005: 1115-1126 - [c17]Roland M. Müller, Myra Spiliopoulou, Hans-Joachim Lenz:
The Influence of Incentives and Culture on Knowledge Sharing. HICSS 2005 - [c16]Ilias Michalarias, Hans-Joachim Lenz:
Dissemination of Multidimensional Data Using Broadcast Clusters. ICDCIT 2005: 573-584 - [c15]Hans-Joachim Lenz, Bernhard Thalheim
:
OLAP Schemata for Correct Applications. TEAA 2005: 99-113 - 2003
- [j8]Hans-Joachim Lenz, Panos Vassiliadis
, Manfred A. Jeusfeld
, Martin Staudt:
Report on the 5th international workshop on the design and management of data warehouses (DMDW'03). SIGMOD Rec. 32(4): 113-116 (2003) - [c14]Hans-Joachim Lenz:
Entity Level Data Integration by Statistical Methods. SSDBM 2003: 3-4 - [p4]Markus Schaal, Hans-Joachim Lenz:
Notification Planning with Developing Information States. Planning Based on Decision Theory 2003: 63-70 - [e7]Giacomo Della Riccia, Didier Dubois, Rudolf Kruse, Hans-Joachim Lenz:
Planning Based on Decision Theory. CISM courses and lectures : International Centre for Mechanical Sciences 472, Springer 2003, ISBN 978-3-211-40756-1 [contents] - [e6]Hans-Joachim Lenz, Panos Vassiliadis, Manfred A. Jeusfeld
, Martin Staudt:
Design and Management of Data Warehouses 2003, Proceedings of the 5th Intl. Workshop DMDW'2003, Berlin, Germany, September 8, 2003. CEUR Workshop Proceedings 77, CEUR-WS.org 2003 [contents] - [e5]Michael R. Berthold, Hans-Joachim Lenz, Elizabeth Bradley, Rudolf Kruse, Christian Borgelt:
Advances in Intelligent Data Analysis V, 5th International Symposium on Intelligent Data Analysis, IDA 2003, Berlin, Germany, August 28-30, 2003, Proceedings. Lecture Notes in Computer Science 2810, Springer 2003, ISBN 3-540-40813-4 [contents] - 2002
- [j7]Roland M. Müller, Myra Spiliopoulou, Hans-Joachim Lenz:
Expertenrat in E-Marketplaces. HMD Prax. Wirtsch. 223 (2002) - [c13]Daniel Delic, Hans-Joachim Lenz, Mattis Neiling:
Rough Sets and Association Rules - Which is Efficient? COMPSTAT 2002: 527-532 - 2001
- [j6]Marcus Jürgens, Hans-Joachim Lenz:
Tree Based Indexes Versus Bitmap Indexes: A Performance Study. Int. J. Cooperative Inf. Syst. 10(3): 355-376 (2001) - [c12]Hans-Joachim Lenz, Bernhard Thalheim:
OLAP Databases and Aggregation Functions. SSDBM 2001: 91-100 - [c11]Markus Schaal, Hans-Joachim Lenz:
Best Time and Content for Delay Notification. TIME 2001: 75-80 - [p3]Hans-Joachim Lenz, Mattis Neiling:
Classification and Fusion. Data Fusion and Perception 2001: 109-120 - [e4]Giacomo Della Riccia, Hans-Joachim Lenz, Rudolf Kruse:
Data Fusion and Perception. CISM courses and lectures : International Centre for Mechanical Sciences 431, Springer 2001, ISBN 978-3-211-83683-5 [contents] - 2000
- [c10]Mattis Neiling, Hans-Joachim Lenz:
Data Integration by means of Object Identification in Information Systems. ECIS 2000: 252-258 - [p2]Hans-Joachim Lenz, Roland M. Müller:
On the Solution of Fuzzy Equation Systems. Computational Intelligence in Data Mining 2000: 95-110 - [p1]Hans-Joachim Lenz, Egmar Rödel:
Controlling Based on Stochastic Models. Computational Intelligence in Data Mining 2000: 153-164 - [e3]Giacomo Della Riccia, Rudolf Kruse, Hans-Joachim Lenz:
Computational Intelligence in Data Mining. International Centre for Mechanical Sciences (CISM) Book Series 408, Springer 2000, ISBN 978-3-211-83326-1 [contents] - [e2]Oliver Günther, Hans-Joachim Lenz:
Proceedings of the 12th International Conference on Scientific and Statistical Database Management, Berlin, Germany, July 26-28, 2000. IEEE Computer Society 2000, ISBN 0-7695-0686-0 [contents]
1990 – 1999
- 1999
- [j5]Marcus Jürgens, Hans-Joachim Lenz:
Discussion on the paper by Friedman and Fisher. Stat. Comput. 9(2): 154-155 (1999) - [c9]Marcus Jürgens, Hans-Joachim Lenz:
Tree Based Indexes vs. Bitmap Indexes - a Performance Study. DMDW 1999: 1 - [c8]Jörg Caumanns, Hans-Joachim Lenz:
Hypermedia Fusion - A Document Generator for the World Wide Web. ICMCS, Vol. 2 1999: 892-896 - [c7]Marcus Jürgens, Hans-Joachim Lenz:
PISA: Performance Models for Index Structures with and without Aggregated Data. SSDBM 1999: 78-87 - 1998
- [c6]Marcus Jürgens, Hans-Joachim Lenz:
The Ra*-tree: An improved R-tree with Materialized Data for Supporting Range Queries on OLAP-Data. DEXA Workshop 1998: 186-191 - [c5]St. De Francisci, Oliver Günther, Hans-Joachim Lenz, Maurizio Lenzerini, Arie Shoshani:
OLAP and Data Warehousing in Statistical Databases (Panel). SSDBM 1998: 167 - 1997
- [c4]Hans-Joachim Lenz, Arie Shoshani:
Summarizability in OLAP and Statistical Data Bases. SSDBM 1997: 132-143 - 1996
- [e1]Doug Fisher, Hans-Joachim Lenz:
Learning from Data - Fifth International Workshop on Artificial Intelligence and Statistics, AISTATS 1995, Key West, Florida, USA, January 4-7, 1995. Proceedings. Springer 1996, ISBN 978-0-387-94736-5 [contents] - 1994
- [c3]Hans-Joachim Lenz:
The Conceptual Schema and External Schemata of Metadatabases. SSDBM 1994: 160-165
1980 – 1989
- 1984
- [c2]Hans-Joachim Lenz:
Performance Evaluation of Batch Inspection Schemes using Simulation on a Microcomputer. IMACS European Simulation Meeting 1984: 119-122 - 1983
- [c1]Hans-Joachim Lenz:
A Test Bench for Batch Inspection Systems. ESC 1983: 201-206
1970 – 1979
- 1979
- [j4]Hans-Joachim Lenz, R. Hujer, H. Streim, R. Weber, R. K. Huber, U. Reimers, Th. Eisele, Helmut Schellhaas, Dietrich Ohse, Siegfried Schaible, H. Schneeweiß:
Buchbesprechungen. Z. Oper. Research 23(3): 145-152 (1979) - 1978
- [j3]Hans-Joachim Lenz, Heiner Müller-Merbach, J. Kloock, K. H. Limmer, Dietrich Ohse, H.-I. Zimmermann, Horst Wildermann:
Buchbesprechungen. Z. Oper. Research 22(1): 76-80 (1978) - 1976
- [j2]Wei Ping Loh, Karl Inderfurth, M. Hollinger, Peter Hammann, Hermann Meyer zu Selhausen, H. Dellwing, Helmuth Späth, Hans-Joachim Lenz:
Buchbesprechungen. Math. Methods Oper. Res. 20(4): B168-B174 (1976) - 1975
- [j1]K. Glashoff, P. Cerwenka, G. Gallus, R. Giloth, Wolfgang Eichhorn, Gernot Waschek, Hans-Joachim Lenz:
Buchbesprechungen. Z. Oper. Research 19(2): B77-B82 (1975)
Coauthor Index
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