Hans-Joachim Lenz

Inform. Spektrum, April, 2023

2020

Datentrickserei im Taxigewerbe - von Abzocke bis Steuerbetrug.

[BibT_eX]

[DOI]

Inform. Spektrum, 2020

2019

Achtung.Datentrickserei.

[BibT_eX]

[DOI]

Inform. Spektrum, 2019

2017

Long-Term Projections for Commodity Prices - The Crude Oil Price Using Dynamic Bayesian Networks.

[BibT_eX]

[DOI]

Thomas Schwarz

Wilhelm Dominik

Proceedings of the Operations Research Proceedings 2017, 2017

2016

Tax Fraud and Investigation: A Framework for a Knowledge Based Methodology.

[BibT_eX]

[DOI]

Proceedings of the Information Systems Security and Privacy, 2016

Tax Fraud and Investigation Procedures - Everybody, Every Where, Every Time.

[BibT_eX]

Proceedings of the 2nd International Conference on Information Systems Security and Privacy, 2016

2014

Data Fraud Detection: A First General Perspective.

[BibT_eX]

[DOI]

Proceedings of the Enterprise Information Systems - 16th International Conference, 2014

Data Fraud Detection.

[BibT_eX]

Proceedings of the ICEIS 2014, 2014

2013

Business Intelligence.

[BibT_eX]

[DOI]

Springer, ISBN: 978-3-642-35559-2, 2013

2009

A Formal Framework of Aggregation for the OLAP-OLTP Model.

[BibT_eX]

[DOI]

Bernhard Thalheim

J. Univers. Comput. Sci., 2009

FCLOS: A client-server architecture for mobile OLAP.

[BibT_eX]

[DOI]

Ilias Michalarias

Arkadiy Omelchenko

Data Knowl. Eng., 2009

2008

08421 Working Group: Imprecision, Diversity and Uncertainty: Disentangling Threads in Uncertainty Management.

[BibT_eX]

[DOI]

Proceedings of the Uncertainty Management in Information Systems, 12.10. - 17.10.2008, 2008

Spreadsheet Computation with imprecise and uncertain Data.

[BibT_eX]

[DOI]

Proceedings of the Uncertainty Management in Information Systems, 12.10. - 17.10.2008, 2008

08421 Working Group: Report of the Probabilistic Databases Benchmarking.

[BibT_eX]

[DOI]

Proceedings of the Uncertainty Management in Information Systems, 12.10. - 17.10.2008, 2008

08421 Working Group: Explanation.

[BibT_eX]

[DOI]

Proceedings of the Uncertainty Management in Information Systems, 12.10. - 17.10.2008, 2008

2007

A Procedure to Estimate Relations in a Balanced Scorecard.

[BibT_eX]

[DOI]

Proceedings of the Data Analysis, Machine Learning and Applications, 2007

Non-Profit Web Portals - Usage Based Benchmarking for Success Evaluation.

[BibT_eX]

[DOI]

Daniel Delic

Proceedings of the Data Analysis, Machine Learning and Applications, 2007

Optimal Query Mapping in Mobile OLAP.

[BibT_eX]

[DOI]

Ilias Michalarias

Proceedings of the Advances in Databases and Information Systems, 2007

2006

Edits - Data Cleansing at the Data Entry to assert semantic Consistency of metric Data.

[BibT_eX]

[DOI]

Veit Köppen

Proceedings of the 18th International Conference on Scientific and Statistical Database Management, 2006

Balanced Scorecard Simulator - A Tool for Stochastic Business Figures.

[BibT_eX]

[DOI]

Veit Köppen

Marina Allgeier

Proceedings of the Advances in Data Analysis, 2006

Towards Success Evaluation: Multiple-Criteria Analysis of Benefits and Costs for Non-Profit Web Portals.

[BibT_eX]

[DOI]

Daniel Delic

Proceedings of the Connecting the Americas. 12th Americas Conference on Information Systems, 2006

MCDA - Multi-Criteria Decision Making in e-commerce.

[BibT_eX]

[DOI]

Alexandr Ablovatski

Proceedings of the Decision Theory and Multi-Agent Planning, 2006

2005

OLAP Schemata for Correct Applications.

[BibT_eX]

[DOI]

Bernhard Thalheim

Proceedings of the Trends in Enterprise Application Architecture, VLDB Workshop, 2005

Dissemination of Multidimensional Data Using Broadcast Clusters.

[BibT_eX]

[DOI]

Ilias Michalarias

Proceedings of the Distributed Computing and Internet Technology, 2005

The Influence of Incentives and Culture on Knowledge Sharing.

[BibT_eX]

[DOI]

Myra Spiliopoulou

Proceedings of the 38th Hawaii International Conference on System Sciences (HICSS-38 2005), 2005

Experimental Investigation of the Effects of Different Market Mechanisms for Electronic Knowledge Markets.

[BibT_eX]

[DOI]

Proceedings of the 13th European Conference on Information Systems, 2005

2003

Report on the 5th international workshop on the design and management of data warehouses (DMDW'03).

[BibT_eX]

[DOI]

SIGMOD Rec., 2003

Entity Level Data Integration by Statistical Methods.

[BibT_eX]

[DOI]

Proceedings of the 15th International Conference on Scientific and Statistical Database Management (SSDBM 2003), 2003

Notification Planning with Developing Information States.

[BibT_eX]

[DOI]

Markus Schaal

Proceedings of the Planning Based on Decision Theory, 2003

2002

Expertenrat in E-Marketplaces.

[BibT_eX]

[DOI]

Myra Spiliopoulou

HMD Prax. Wirtsch., 2002

Rough Sets and Association Rules - Which is Efficient?

[BibT_eX]

[DOI]

Daniel Delic

Mattis Neiling

Proceedings of the COMPSTAT 2002, 2002

2001

Tree Based Indexes Versus Bitmap Indexes: A Performance Study.

[BibT_eX]

[DOI]

Int. J. Cooperative Inf. Syst., 2001

Best Time and Content for Delay Notification.

[BibT_eX]

[DOI]

Markus Schaal

Proceedings of the Eigth International Symposium on Temporal Representation and Reasoning, 2001

OLAP Databases and Aggregation Functions.

[BibT_eX]

[DOI]

Bernhard Thalheim

Proceedings of the 13th International Conference on Scientific and Statistical Database Management, 2001

Classification and Fusion.

[BibT_eX]

[DOI]

Mattis Neiling

Proceedings of the Data Fusion and Perception, 2001

2000

Data Integration by means of Object Identification in Information Systems.

[BibT_eX]

[DOI]

Mattis Neiling

Proceedings of the 8th European Conference on Information Systems, 2000

Controlling Based on Stochastic Models.

[BibT_eX]

[DOI]

Egmar Rödel

Proceedings of the Computational Intelligence in Data Mining, 2000

On the Solution of Fuzzy Equation Systems.

[BibT_eX]

[DOI]

Proceedings of the Computational Intelligence in Data Mining, 2000

1999

Discussion on the paper by Friedman and Fisher.

[BibT_eX]

[DOI]

Stat. Comput., 1999

PISA: Performance Models for Index Structures with and without Aggregated Data.

[BibT_eX]

[DOI]

Proceedings of the 11th International Conference on Scientific and Statistical Database Management, 1999

Hypermedia Fusion - A Document Generator for the World Wide Web.

[BibT_eX]

[DOI]

Jörg Caumanns

Proceedings of the IEEE International Conference on Multimedia Computing and Systems, 1999

Tree Based Indexes vs. Bitmap Indexes - a Performance Study.

[BibT_eX]

[DOI]

Proceedings of the Intl. Workshop on Design and Management of Data Warehouses, 1999

1998

OLAP and Data Warehousing in Statistical Databases (Panel).

[BibT_eX]

Proceedings of the 10th International Conference on Scientific and Statistical Database Management, 1998

The Ra*-tree: An improved R-tree with Materialized Data for Supporting Range Queries on OLAP-Data.

[BibT_eX]

[DOI]

Proceedings of the Ninth International Workshop on Database and Expert Systems Applications, 1998

1997

Summarizability in OLAP and Statistical Data Bases.

[BibT_eX]

[DOI]

Arie Shoshani

Proceedings of the Ninth International Conference on Scientific and Statistical Database Management, 1997

1994

The Conceptual Schema and External Schemata of Metadatabases.

[BibT_eX]

[DOI]

Proceedings of the Seventh International Working Conference on Scientific and Statistical Database Management, 1994

1984

Performance Evaluation of Batch Inspection Schemes using Simulation on a Microcomputer.

[BibT_eX]

Proceedings of the Simulation in Research and Development, 1984

1983

A Test Bench for Batch Inspection Systems.

[BibT_eX]

[DOI]

Proceedings of the First European Simulation Congress ESC 83, 1983

1979

Buchbesprechungen.

[BibT_eX]

[DOI]

Z. Oper. Research, 1979

1978

Buchbesprechungen.

[BibT_eX]

[DOI]

Hermann Meyer zu Selhausen

Heiner Müller-Merbach

Z. Oper. Research, 1978

1976

Buchbesprechungen.

[BibT_eX]

[DOI]

H. Dellwing

Helmuth Späth