Wolfgang Lehner - researchr alias

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2011

Efficient In-Memory Indexing with Generalized Prefix TreesMatthias Böhm, Benjamin Schlegel, Peter Benjamin Volk, Ulrike Fischer, Dirk Habich, Wolfgang Lehner. btw 2011: 227-246

Cost-based vectorization of instance-based integration processesMatthias Böhm, Dirk Habich, Steffen Preissler, Wolfgang Lehner, Uwe Wloka. is, 36(1):3-29, 2011. [doi]

Context-Aware Parameter Estimation for Forecast Models in the Energy DomainLars Dannecker, Robert Schulze, Matthias Böhm, Wolfgang Lehner, Gregor Hackenbroich. ssdbm 2011: 491-508 [doi]

Offline Design Tuning for Hierarchies of Forecast ModelsUlrike Fischer, Matthias Böhm, Wolfgang Lehner. btw 2011: 167-186

Sprachraumerstellung als Bestandteil der Geschäftsprozessmodellierung in SOAFranziska Gietl, Joachim Spilke, Dirk Habich, Wolfgang Lehner. gil 2011: 81-84

Datenbanksysteme für Business, Technologie und Web (BTW), 14. Fachtagung des GI-Fachbereichs Datenbanken und Informationssysteme (DBIS), 2.-4.3.2011 in Kaiserslautern, GermanyTheo Härder, Wolfgang Lehner, Bernhard Mitschang, Harald Schöning, Holger Schwarz, editors, Volume 180 of LNI, GI, 2011.

Touch it, Mine it, View it, Shape itMartin Hahmann, Dirk Habich, Wolfgang Lehner. btw 2011: 746-749

Hybrid Data-Flow Graphs for Procedural Domain-Specific Query LanguagesBernhard Jaecksch, Franz Faerber, Frank Rosenthal, Wolfgang Lehner. ssdbm 2011: 577-578 [doi]

The Planning OLAP Model - A Multidimensional Model with Planning SupportBernhard Jaecksch, Wolfgang Lehner. dawak 2011: 14-25 [doi]

Letter from the VLDB 2011 Research Track Co-ChairWolfgang Lehner. pvldb, 4(5), 2011. [doi]

Efficient In-Database Maintenance of ARIMA ModelsFrank Rosenthal, Wolfgang Lehner. ssdbm 2011: 537-545 [doi]

Memory-efficient frequent-itemset miningBenjamin Schlegel, Rainer Gemulla, Wolfgang Lehner. edbt 2011: 461-472 [doi]

2010

Multi-process Optimization Via Horizontal Message Queue PartitioningMatthias Böhm, Dirk Habich, Wolfgang Lehner. ICEIS 2010: 5-14

Multi-flow Optimization via Horizontal Message Queue PartitioningMatthias Böhm, Dirk Habich, Wolfgang Lehner. ICEIS 2011: 31-47 [doi]

Indexing forecast models for matching and maintenanceUlrike Fischer, Frank Rosenthal, Matthias Böhm, Wolfgang Lehner. ideas 2010: 26-31 [doi]

Hybride Datenbankarchitekturen am Beispiel der neuen SAP In-Memory-TechnologieFranz Färber, Bernhard Jäcksch, Christian Lemke, Philipp Große, Wolfgang Lehner. dbsk, 10(2):81-92, 2010. [doi]

Annotationsbasierte Prozessmodellierung in SOA - dargestellt an einem Beispiel aus dem Precision Dairy FarmingFranziska Gietl, Joachim Spilke, Dirk Habich, Wolfgang Lehner. gil 2010: 73-76

Serviceorientierte Architektur im Precision Dairy Farming aus der Perspektive der InformatikDirk Habich, Wolfgang Lehner. gi 2010: 143-148

Visual Decision Support for Ensemble ClusteringMartin Hahmann, Dirk Habich, Wolfgang Lehner. ssdbm 2010: 279-287 [doi]

Evolving Ensemble-Clustering to a Feedback-Driven ProcessMartin Hahmann, Dirk Habich, Wolfgang Lehner. icdm 2010: 401-408 [doi]

A plan for OLAPBernhard Jaecksch, Wolfgang Lehner, Franz Faerber. edbt 2010: 681-686 [doi]

Cherry picking in database languagesBernhard Jaecksch, Franz Faerber, Wolfgang Lehner. ideas 2010: 117-122 [doi]

Pairwise Element Computation with MapReduceTim Kiefer, Peter Benjamin Volk, Wolfgang Lehner. hpdc 2010: 826-833 [doi]

Database as a service (DBaaS)Wolfgang Lehner, Kai-Uwe Sattler. icde 2010: 1216-1217 [doi]

Ein begriffsbasierter Ansatz zur semantischen Extraktion von DatenbankschemataHenri Mühle, Hannes Voigt, Wolfgang Lehner. se 2010: 35-42

How to juggle columns: an entropy-based approach for table compressionMarcus Paradies, Christian Lemke, Hasso Plattner, Wolfgang Lehner, Kai-Uwe Sattler, Alexander Zeier, Jens Krüger. ideas 2010: 205-215 [doi]

An XML-Based Streaming Concept for Business Process ExecutionSteffen Preissler, Dirk Habich, Wolfgang Lehner. ICEIS 2011: 60-75 [doi]

Process-based Data Streaming in Service-oriented Environments - Application and TechniqueSteffen Preissler, Dirk Habich, Wolfgang Lehner. ICEIS 2010: 40-49

A Sample Advisor for Approximate Query ProcessingPhilipp Rösch, Wolfgang Lehner. adbis 2010: 490-504 [doi]

Sample Footprints für Data-Warehouse-DatenbankenPhilipp Rösch, Wolfgang Lehner. ife, 25(3-4):217-233, 2010. [doi]

Fast integer compression using SIMD instructionsBenjamin Schlegel, Rainer Gemulla, Wolfgang Lehner. damon 2010: 34-40 [doi]

Approximate Query Answering and Result Refinement on XML DataKatja Seidler, Eric Peukert, Gregor Hackenbroich, Wolfgang Lehner. ssdbm 2010: 78-86 [doi]

Serviceorientierte Architekturen im Precision Dairy Farming (Vorwort)Joachim Spilke, Wolfgang Lehner. gi 2010: 141-142

Listen to the customer: model-driven database designHannes Voigt, Kai Herrmann, Tim Kiefer, Wolfgang Lehner. ideas 2010: 15-20 [doi]

2009

Cost-Based Vectorization of Instance-Based Integration ProcessesMatthias BÃ¶hm, Dirk Habich, Steffen Preissler, Wolfgang Lehner, Uwe Wloka. adbis 2009: 253-269 [doi]

Systemübergreifende Kostennormalisierung für IntegrationsprozesseMatthias Böhm, Dirk Habich, Wolfgang Lehner, Uwe Wloka. btw 2009: 67-86

GCIP: exploiting the generation and optimization of integration processesMatthias Böhm, Uwe Wloka, Dirk Habich, Wolfgang Lehner. edbt 2009: 1128-1131 [doi]

Invisible Deployment of Integration ProcessesMatthias Böhm, Dirk Habich, Wolfgang Lehner, Uwe Wloka. ICEIS 2009: 53-65 [doi]

Vectorizing Instance-Based Integration ProcessesMatthias Böhm, Dirk Habich, Steffen Preissler, Wolfgang Lehner, Uwe Wloka. ICEIS 2009: 40-52 [doi]

Datenbanksysteme in Business, Technologie und Web (BTW 2009), 13. Fachtagung des GI-Fachbereichs Datenbanken und Informationssysteme (DBIS), Proceedings, 2.-6. März 2009, Münster, GermanyJohann Christoph Freytag, Thomas Ruf, Wolfgang Lehner, Gottfried Vossen, editors, Volume 144 of LNI, GI, 2009.

Innovative Process Execution in Service-oriented EnvironmentsDirk Habich, Steffen Preissler, Hannes Voigt, Wolfgang Lehner. ICEIS 2009: 299-302

How to Control Clustering Results? Flexible Clustering AggregationMartin Hahmann, Peter Benjamin Volk, Frank Rosenthal, Dirk Habich, Wolfgang Lehner. ida 2009: 59-70 [doi]

How to Screen a Data Stream - Quality-Driven Load Shedding in Sensor Data StreamsAnja Klein, Gregor Hackenbroich, Wolfgang Lehner. iq 2009: 76-90 [doi]

Representing Data Quality in Sensor Data Streaming EnvironmentsAnja Klein, Wolfgang Lehner. jdiq, 1(2), 2009. [doi]

Robust Distributed Top-N Frequent Pattern Mining Using the SAP BW AcceleratorThomas Legler, Wolfgang Lehner, Jan Schaffner, Jens KrÃ¼ger. pvldb, 2(2):1438-1449, 2009. [doi]

Merging OLTP and OLAP - Back to the Future - (Panel)Wolfgang Lehner. birte 2010: 171-173 [doi]

Streaming Web Services and Standing ProcessesSteffen Preissler, Hannes Voigt, Dirk Habich, Wolfgang Lehner. btw 2009: 608-611

Stream-Based Web Service InvocationSteffen Preissler, Hannes Voigt, Dirk Habich, Wolfgang Lehner. btw 2009: 407-417

Standing Processes in Service-Oriented EnvironmentsSteffen Preissler, Dirk Habich, Wolfgang Lehner. services 2009: 115-122 [doi]

Global Slope Change Synopses for Measurement MapsFrank Rosenthal, Ulrike Fischer, Peter Benjamin Volk, Wolfgang Lehner. icdm 2009: 956-961 [doi]

Drift-Aware Ensemble RegressionFrank Rosenthal, Peter Benjamin Volk, Martin Hahmann, Dirk Habich, Wolfgang Lehner. mldm 2009: 221-235 [doi]

Sample synopses for approximate answering of group-by queriesPhilipp Rösch, Wolfgang Lehner. edbt 2009: 403-414 [doi]

k-ary search on modern processorsBenjamin Schlegel, Rainer Gemulla, Wolfgang Lehner. damon 2009: 52-60 [doi]

Cardinality estimation in ETL processesMaik Thiele, Tim Kiefer, Wolfgang Lehner. dolap 2009: 57-64 [doi]

Multi-Objective Scheduling for Real-Time Data WarehousesMaik Thiele, Andreas Bader, Wolfgang Lehner. btw 2009: 307-326

Multi-objective scheduling for real-time data warehousesMaik Thiele, Andreas Bader, Wolfgang Lehner. ife, 24(3):137-151, 2009. [doi]

Partition-based workload scheduling in living data warehouse environmentsMaik Thiele, Ulrike Fischer, Wolfgang Lehner. is, 34(4-5):382-399, 2009. [doi]

Evaluation of Load Scheduling Strategies for Real-Time Data Warehouse EnvironmentsMaik Thiele, Wolfgang Lehner. birte 2010: 84-99 [doi]

Anfragegetriebene Indizierung rÃ¤umlicher DatenHannes Voigt, Steffen PreiÃŸler, Matthias BÃ¶hm, Wolfgang Lehner. gi 2009: 2056-2070

Clustering Uncertain Data with Possible WorldsPeter Benjamin Volk, Frank Rosenthal, Martin Hahmann, Dirk Habich, Wolfgang Lehner. icde 2009: 1625-1632 [doi]

2008

Message Indexing for Document-Oriented Integration ProcessesMatthias Böhm, Uwe Wloka, Dirk Habich, Wolfgang Lehner. ICEIS 2007: 137-142

DIPBench Toolsuite: A Framework for Benchmarking Integration SystemsMatthias Böhm, Dirk Habich, Wolfgang Lehner, Uwe Wloka. icde 2008: 1596-1599 [doi]

Model-Driven Generation and Optimization of Complex Integration ProcessesMatthias Böhm, Uwe Wloka, Dirk Habich, Wolfgang Lehner. ICEIS 2007: 131-136

Workload-based optimization of integration processesMatthias Böhm, Uwe Wloka, Dirk Habich, Wolfgang Lehner. CIKM 2008: 1479-1480 [doi]

Improving Data Independence, Efficiency and Functional Flexibility of Integration PlatformsMatthias Böhm, Jürgen Bittner, Dirk Habich, Wolfgang Lehner, Uwe Wloka. caise 2008: 97-100 [doi]

DIPBench: An independent benchmark for Data-Intensive Integration ProcessesMatthias Böhm, Dirk Habich, Wolfgang Lehner, Uwe Wloka. icde 2008: 214-221 [doi]

An Advanced Transaction Model for Recovery Processing of Integration ProcessesMatthias Böhm, Dirk Habich, Wolfgang Lehner, Uwe Wloka. adbis 2008: 90-105

Linked Bernoulli Synopses: Sampling along Foreign KeysRainer Gemulla, Philipp Rösch, Wolfgang Lehner. ssdbm 2008: 6-23 [doi]

Maintaining bounded-size sample synopses of evolving datasetsRainer Gemulla, Wolfgang Lehner, Peter J. Haas. vldb, 17(2):173-202, 2008. [doi]

Sampling time-based sliding windows in bounded spaceRainer Gemulla, Wolfgang Lehner. sigmod 2008: 379-392 [doi]

Designing Random Sample Synopses with OutliersPhilipp Rösch, Rainer Gemulla, Wolfgang Lehner. icde 2008: 1400-1402 [doi]

Quality of service and predictability in DBMSKai-Uwe Sattler, Wolfgang Lehner. edbt 2008: 748 [doi]

RiTE: Providing On-Demand Data for Right-Time Data WarehousingChristian Thomsen, Torben Bach Pedersen, Wolfgang Lehner. icde 2008: 456-465 [doi]

Poster session: Constrained dynamic physical database designHannes Voigt, Wolfgang Lehner, Kenneth Salem. icde 2008: 63-70 [doi]

Pre analysis and clustering of uncertain data from manufacturing processesPeter Benjamin Volk, Martin Hahmann, Dirk Habich, Wolfgang Lehner. lwa 2008: 94-100

Exploiting Graphic Card Processor Technology to Accelerate Data Mining Queries in SAP NetWeaver BIAChristoph Weyerhaeuser, Tobias Mindnich, Franz Faerber, Wolfgang Lehner. icdm 2008: 506-515 [doi]

2007

Ein Nachrichtentransformationsmodell für komplexe Transformationsprozesse in datenzentrischen AnwendungsszenarienMatthias Böhm, Jürgen Bittner, Uwe Wloka, Dirk Habich, Wolfgang Lehner. btw 2007: 562-581 [doi]

Towards Self-Optimization of Message Transformation ProcessesMatthias Böhm, Dirk Habich, Uwe Wloka, Jürgen Bittner, Wolfgang Lehner. adbis 2008: [doi]

An Approach for Incremental Semi-supervised SVMWael Emara, Mehmed M. Kantardzic, Marcel Karnstedt, Kai-Uwe Sattler, Dirk Habich, Wolfgang Lehner. icdm 2007: 539-544 [doi]

Maintaining bernoulli samples over evolving multisetsRainer Gemulla, Wolfgang Lehner, Peter J. Haas. pods 2007: 93-102 [doi]

Parameterfreies Clustering mittels Multi-Level AnsatzDirk Habich, Martin Hahmann, Wolfgang Lehner. lwa 2007: 36-43

Error-Aware Density-Based Clustering of Imprecise Measurement ValuesDirk Habich, Peter Benjamin Volk, Wolfgang Lehner, Ralf Dittmann, Clemens Utzny. icdm 2007: 471-476 [doi]

Data-aware SOA for Gene Expression Analysis ProcessesDirk Habich, Sebastian Richly, Wolfgang Lehner, Uwe Aßmann, Mike Grasselt, Albert Maier, Christian Pilarsky. IEEEscc 2007: 138-145 [doi]

BPEL-DT - Data-aware Extension of BPEL to Support Data-Intensive Service ApplicationsDirk Habich, Sebastian Richly, Steffen Preissler, Mike Grasselt, Wolfgang Lehner, Albert Maier. ecows 2008: [doi]

Data-Grey-BoxWeb Services in Data-Centric EnvironmentsDirk Habich, Steffen Preissler, Wolfgang Lehner, Sebastian Richly, Uwe Aßmann, Mike Grasselt, Albert Maier. icws 2007: 976-983 [doi]

Representing Data Quality for Streaming and Static DataAnja Klein, Hong Hai Do, Gregor Hackenbroich, Marcel Karnstedt, Wolfgang Lehner. icde 2007: 3-10 [doi]

Cardinality estimation using sample views with quality assurancePer-Åke Larson, Wolfgang Lehner, Jingren Zhou, Peter Zabback. sigmod 2007: 175-186 [doi]

Exploiting self-monitoring sample views for cardinality estimationPer-Åke Larson, Wolfgang Lehner, Jingren Zhou, Peter Zabback. sigmod 2007: 1073-1075 [doi]

Der Einfluss der Datenverteilung auf die Performanz eines Data WarehouseThomas Legler, Wolfgang Lehner, Andrew Ross. btw 2007: 502-513 [doi]

Euro-Par 2006 Workshops: Parallel Processing, CoreGRID 2006, UNICORE Summit 2006, Petascale Computational Biology and Bioinformatics, Dresden, Germany, August 29-September 1, 2006, Revised Selected PapersWolfgang Lehner, Norbert Meyer, Achim Streit, Craig Stewart, editors, Volume 4375 of Lecture Notes in Computer Science, Springer, 2007.

Partition-based workload scheduling in living data warehouse environmentsMaik Thiele, Ulrike Fischer, Wolfgang Lehner. dolap 2007: 57-64 [doi]

Efficient exploitation of similar subexpressions for query processingJingren Zhou, Per-Åke Larson, Johann Christoph Freytag, Wolfgang Lehner. sigmod 2007: 533-544 [doi]

2006

A Dip in the Reservoir: Maintaining Sample Synopses of Evolving DatasetsRainer Gemulla, Wolfgang Lehner, Peter J. Haas. VLDB 2006: 595-606 [doi]

Deferred Maintenance of Disk-Based Random SamplesRainer Gemulla, Wolfgang Lehner. edbt 2006: 423-441 [doi]

Materialized Views in the Presence of Reporting FunctionsDirk Habich, Wolfgang Lehner, Michael Just. ssdbm 2006: 159-168 [doi]

GignoMDA - Exploiting Cross-Layer Optimization for Complex Database ApplicationsDirk Habich, Sebastian Richly, Wolfgang Lehner. VLDB 2006: 1251 [doi]

Schwerpunktthema Medizinische InformationssystemeRichard Lenz, Wolfgang Lehner. dbsk, 17:5-6, 2006. [doi]

Euro-Par 2006, Parallel Processing, 12th International Euro-Par Conference, Dresden, Germany, August 28 - September 1, 2006, ProceedingsWolfgang E. Nagel, Wolfgang V. Walter, Wolfgang Lehner, editors, Volume 4128 of Lecture Notes in Computer Science, Springer, 2006.

GignoMDA - Generation of Complex Database ApplicationsSebastian Richly, Dirk Habich, Wolfgang Lehner. gvd 2006: 65-69 [doi]

Zusammenführung der konzeptuellen Modelle für operative und analytische Daten in einem logischen Modell, dargestellt am Beispiel des Precision Dairy FarmingChristian Schulze, Joachim Spilke, Wolfgang Lehner. gil 2006: 257-260 [doi]

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