Hans-Joachim Lenz

According to our database1, Hans-Joachim Lenz authored at least 51 papers between 1975 and 2020.

Collaborative distances:
  • Dijkstra number2 of four.
  • Erdős number3 of four.

Timeline

Legend:

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In proceedings 
Article 
PhD thesis 
Other 

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Bibliography

2020
Datentrickserei im Taxigewerbe - von Abzocke bis Steuerbetrug.
Inform. Spektrum, 2020

2019
Achtung.Datentrickserei.
Inform. Spektrum, 2019

2017
Long-Term Projections for Commodity Prices - The Crude Oil Price Using Dynamic Bayesian Networks.
Proceedings of the Operations Research Proceedings 2017, 2017

2016
Tax Fraud and Investigation: A Framework for a Knowledge Based Methodology.
Proceedings of the Information Systems Security and Privacy, 2016

Tax Fraud and Investigation Procedures - Everybody, Every Where, Every Time.
Proceedings of the 2nd International Conference on Information Systems Security and Privacy, 2016

2014
Data Fraud Detection: A First General Perspective.
Proceedings of the Enterprise Information Systems - 16th International Conference, 2014

Data Fraud Detection.
Proceedings of the ICEIS 2014, 2014

2013
Business Intelligence.
Springer, ISBN: 978-3-642-35559-2, 2013

2009
A Formal Framework of Aggregation for the OLAP-OLTP Model.
J. Univers. Comput. Sci., 2009

FCLOS: A client-server architecture for mobile OLAP.
Data Knowl. Eng., 2009

2008
08421 Working Group: Imprecision, Diversity and Uncertainty: Disentangling Threads in Uncertainty Management.
Proceedings of the Uncertainty Management in Information Systems, 12.10. - 17.10.2008, 2008

Spreadsheet Computation with imprecise and uncertain Data.
Proceedings of the Uncertainty Management in Information Systems, 12.10. - 17.10.2008, 2008

08421 Working Group: Report of the Probabilistic Databases Benchmarking.
Proceedings of the Uncertainty Management in Information Systems, 12.10. - 17.10.2008, 2008

08421 Working Group: Explanation.
Proceedings of the Uncertainty Management in Information Systems, 12.10. - 17.10.2008, 2008

2007
A Procedure to Estimate Relations in a Balanced Scorecard.
Proceedings of the Data Analysis, Machine Learning and Applications, 2007

Non-Profit Web Portals - Usage Based Benchmarking for Success Evaluation.
Proceedings of the Data Analysis, Machine Learning and Applications, 2007

Optimal Query Mapping in Mobile OLAP.
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.
Proceedings of the 18th International Conference on Scientific and Statistical Database Management, 2006

Balanced Scorecard Simulator - A Tool for Stochastic Business Figures.
Proceedings of the Advances in Data Analysis, 2006

Towards Success Evaluation: Multiple-Criteria Analysis of Benefits and Costs for Non-Profit Web Portals.
Proceedings of the Connecting the Americas. 12th Americas Conference on Information Systems, 2006

MCDA - Multi-Criteria Decision Making in e-commerce.
Proceedings of the Decision Theory and Multi-Agent Planning, 2006

2005
OLAP Schemata for Correct Applications.
Proceedings of the Trends in Enterprise Application Architecture, VLDB Workshop, 2005

Dissemination of Multidimensional Data Using Broadcast Clusters.
Proceedings of the Distributed Computing and Internet Technology, 2005

The Influence of Incentives and Culture on Knowledge Sharing.
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.
Proceedings of the 13th European Conference on Information Systems, 2005

2003
Report on the 5<sup>th</sup> international workshop on the design and management of data warehouses (DMDW'03).
SIGMOD Rec., 2003

Entity Level Data Integration by Statistical Methods.
Proceedings of the 15th International Conference on Scientific and Statistical Database Management (SSDBM 2003), 2003

Notification Planning with Developing Information States.
Proceedings of the Planning Based on Decision Theory, 2003

2002
Expertenrat in E-Marketplaces.
HMD Prax. Wirtsch., 2002

Rough Sets and Association Rules - Which is Efficient?
Proceedings of the COMPSTAT 2002, 2002

2001
Tree Based Indexes Versus Bitmap Indexes: A Performance Study.
Int. J. Cooperative Inf. Syst., 2001

Best Time and Content for Delay Notification.
Proceedings of the Eigth International Symposium on Temporal Representation and Reasoning, 2001

OLAP Databases and Aggregation Functions.
Proceedings of the 13th International Conference on Scientific and Statistical Database Management, 2001

Classification and Fusion.
Proceedings of the Data Fusion and Perception, 2001

2000
Data Integration by means of Object Identification in Information Systems.
Proceedings of the 8th European Conference on Information Systems, 2000

Controlling Based on Stochastic Models.
Proceedings of the Computational Intelligence in Data Mining, 2000

On the Solution of Fuzzy Equation Systems.
Proceedings of the Computational Intelligence in Data Mining, 2000

1999
Discussion on the paper by Friedman and Fisher.
Stat. Comput., 1999

PISA: Performance Models for Index Structures with and without Aggregated Data.
Proceedings of the 11th International Conference on Scientific and Statistical Database Management, 1999

Hypermedia Fusion - A Document Generator for the World Wide Web.
Proceedings of the IEEE International Conference on Multimedia Computing and Systems, 1999

Tree Based Indexes vs. Bitmap Indexes - a Performance Study.
Proceedings of the Intl. Workshop on Design and Management of Data Warehouses, 1999

1998
OLAP and Data Warehousing in Statistical Databases (Panel).
Proceedings of the 10th International Conference on Scientific and Statistical Database Management, 1998

The R<sub>a</sub><sup>*</sup>-tree: An improved R-tree with Materialized Data for Supporting Range Queries on OLAP-Data.
Proceedings of the Ninth International Workshop on Database and Expert Systems Applications, 1998

1997
Summarizability in OLAP and Statistical Data Bases.
Proceedings of the Ninth International Conference on Scientific and Statistical Database Management, 1997

1994
The Conceptual Schema and External Schemata of Metadatabases.
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.
Proceedings of the Simulation in Research and Development, 1984

1983
A Test Bench for Batch Inspection Systems.
Proceedings of the First European Simulation Congress ESC 83, 1983

1979
Buchbesprechungen.
Z. Oper. Research, 1979

1978
Buchbesprechungen.
Z. Oper. Research, 1978

1976
Buchbesprechungen.
Math. Methods Oper. Res., 1976

1975
Buchbesprechungen.
Z. Oper. Research, 1975


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