Hans-Joachim Lenz - researchr alias

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Viewing Publication 1 - 48 from 48

2021

Achtung.DatentricksereiHans-Joachim Lenz. insk, 44(3):225-227, 2021. [doi]

Achtung.DatentricksereiHans-Joachim Lenz. insk, 44(4):310-312, 2021. [doi]

2020

Datentrickserei im Taxigewerbe - von Abzocke bis SteuerbetrugHans-Joachim Lenz. insk, 43(1):65-67, 2020. [doi]

2017

Long-Term Projections for Commodity Prices - The Crude Oil Price Using Dynamic Bayesian NetworksThomas Schwarz, Hans-Joachim Lenz, Wilhelm Dominik. or 2018: 81-87 [doi]

2016

Tax Fraud and Investigation Procedures - Everybody, Every Where, Every TimeHans-Joachim Lenz. icissp 2016: 7-8

Tax Fraud and Investigation: A Framework for a Knowledge Based MethodologyHans-Joachim Lenz. icissp 2017: 3-13 [doi]

2014

Data Fraud DetectionHans-Joachim Lenz. ICEIS 2014:

Data Fraud Detection: A First General PerspectiveHans-Joachim Lenz. ICEIS 2015: 14-35 [doi]

2013

Business IntelligenceRoland M. Müller, Hans-Joachim Lenz. Springer, 2013. [doi]

2009

A Formal Framework of Aggregation for the OLAP-OLTP ModelHans-Joachim Lenz, Bernhard Thalheim. jucs, 15(1):273-303, 2009. [doi]

FCLOSIlias Michalarias, Arkadiy Omelchenko, Hans-Joachim Lenz. DKE, 68(2):192-220, 2009. [doi]

2008

2007

Non-Profit Web Portals - Usage Based Benchmarking for Success EvaluationDaniel Delic, Hans-Joachim Lenz. gfkl 2008: 561-568 [doi]

A Procedure to Estimate Relations in a Balanced ScorecardVeit KÃ¶ppen, Henner Graubitz, Hans-Knud Arndt, Hans-Joachim Lenz. gfkl 2008: 363-371 [doi]

Optimal Query Mapping in Mobile OLAPIlias Michalarias, Hans-Joachim Lenz. adbis 2007: 250-266 [doi]

2006

Towards Success Evaluation: Multiple-Criteria Analysis of Benefits and Costs for Non-Profit Web PortalsDaniel Delic, Hans-Joachim Lenz. amcis 2006: 65 [doi]

Balanced Scorecard Simulator - A Tool for Stochastic Business FiguresVeit KÃ¶ppen, Marina Allgeier, Hans-Joachim Lenz. gfkl 2007: 457-464 [doi]

Edits - Data Cleansing at the Data Entry to assert semantic Consistency of metric DataHans-Joachim Lenz, Veit Köppen, Roland M. Müller. ssdbm 2006: 235-240 [doi]

MCDA - Multi-Criteria Decision Making in e-commerceHans-Joachim Lenz, Alexandr Ablovatski. In Giacomo Della Riccia, Didier Dubois, Rudolf Kruse, Hans-Joachim Lenz, editors, Decision Theory and Multi-Agent Planning. Volume 482 of CISM courses and lectures : International Centre for Mechanical Sciences, pages 31-47, Springer, 2006. [doi]

2005

2003

Entity Level Data Integration by Statistical MethodsHans-Joachim Lenz. ssdbm 2003: 3-4 [doi]

Report on the 5:::th::: international workshop on the design and management of data warehouses (DMDW 03)Hans-Joachim Lenz, Panos Vassiliadis, Manfred A. Jeusfeld, Martin Staudt. SIGMOD, 32(4):113-116, 2003. [doi]

Notification Planning with Developing Information StatesMarkus Schaal, Hans-Joachim Lenz. In Giacomo Della Riccia, Didier Dubois, Rudolf Kruse, Hans-Joachim Lenz, editors, Planning Based on Decision Theory. Volume 472 of CISM courses and lectures : International Centre for Mechanical Sciences, pages 63-70, Springer, 2003. [doi]

2002

Rough Sets and Association Rules - Which is Efficient?Daniel Delic, Hans-Joachim Lenz, Mattis Neiling. compstat 2002: 527-532 [doi]

Expertenrat in E-MarketplacesRoland M. Müller, Myra Spiliopoulou, Hans-Joachim Lenz. hmd, 223, 2002. [doi]

2001

Tree Based Indexes Versus Bitmap Indexes: A Performance StudyMarcus Jürgens, Hans-Joachim Lenz. ijcis, 10(3):355-376, 2001. [doi]

Classification and FusionHans-Joachim Lenz, Mattis Neiling. In Giacomo Della Riccia, Hans-Joachim Lenz, Rudolf Kruse, editors, Data Fusion and Perception. Volume 431 of CISM courses and lectures : International Centre for Mechanical Sciences, pages 109-120, Springer, 2001. [doi]

OLAP Databases and Aggregation FunctionsHans-Joachim Lenz, Bernhard Thalheim. ssdbm 2001: 91-100

Best Time and Content for Delay NotificationMarkus Schaal, Hans-Joachim Lenz. rtas 2001: 75-80 [doi]

2000

On the Solution of Fuzzy Equation SystemsHans-Joachim Lenz, Roland M. Müller. In Giacomo Della Riccia, Rudolf Kruse, Hans-Joachim Lenz, editors, Computational Intelligence in Data Mining. Volume 408 of International Centre for Mechanical Sciences (CISM) Book Series, pages 95-110, Springer, 2000. [doi]

Controlling Based on Stochastic ModelsHans-Joachim Lenz, Egmar Rödel. In Giacomo Della Riccia, Rudolf Kruse, Hans-Joachim Lenz, editors, Computational Intelligence in Data Mining. Volume 408 of International Centre for Mechanical Sciences (CISM) Book Series, pages 153-164, Springer, 2000. [doi]

Data Integration by means of Object Identification in Information SystemsMattis Neiling, Hans-Joachim Lenz. ecis 2000: 252-258 [doi]

1999

1998

OLAP and Data Warehousing in Statistical Databases (Panel)St. De Francisci, Oliver Günther, Hans-Joachim Lenz, Maurizio Lenzerini, Arie Shoshani. ssdbm 1998: 167 [doi]

The R::a:::::*:::-tree: An improved R-tree with Materialized Data for Supporting Range Queries on OLAP-DataMarcus Jürgens, Hans-Joachim Lenz. dexaw 1998: 186-191

1997

Summarizability in OLAP and Statistical Data BasesHans-Joachim Lenz, Arie Shoshani. ssdbm 1997: 132-143 [doi]

1994

The Conceptual Schema and External Schemata of MetadatabasesHans-Joachim Lenz. ssdbm 1994: 160-165 [doi]

1984

Performance Evaluation of Batch Inspection Schemes using Simulation on a MicrocomputerHans-Joachim Lenz. imacs 1984: 119-122

1983

A Test Bench for Batch Inspection SystemsHans-Joachim Lenz. esc 1983: 201-206

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