Johann-Christoph Freytag

Affiliations:
  • Humboldt University of Berlin, Germany


According to our database1, Johann-Christoph Freytag authored at least 113 papers between 1986 and 2023.

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Bibliography

2023
A statistical method for predicting quantitative variables in association rule mining.
Inf. Syst., September, 2023

2022
Design Trade-offs for a Robust Dynamic Hybrid Hash Join.
Proc. VLDB Endow., 2022

Parallelizing filter-and-verification based exact set similarity joins on multicores.
Inf. Syst., 2022

BTW2021 erstmals als digitale Vortragsreihe.
Datenbank-Spektrum, 2022

SNGuess: A method for the selection of young extragalactic transients.
CoRR, 2022

From Images to Hydrologic Networks - Understanding the Arctic Landscape with Graphs.
Proceedings of the SSDBM 2022: 34th International Conference on Scientific and Statistical Database Management, Copenhagen, Denmark, July 6, 2022

2021
A Quantitative Graph-Based Approach to Monitoring Ice-Wedge Trough Dynamics in Polygonal Permafrost Landscapes.
Remote. Sens., 2021

Harmonizing heterogeneous multi-proxy data from lake systems.
Comput. Geosci., 2021

Design Trade-offs for a Robust Dynamic Hybrid Hash Join (Extended Version).
CoRR, 2021

Scaling Up Set Similarity Joins Using a Cost-Based Distributed-Parallel Framework.
Proceedings of the Similarity Search and Applications - 14th International Conference, 2021

2020
Sieve: A Middleware Approach to Scalable Access Control for Database Management Systems.
Proc. VLDB Endow., 2020

A formal approach to build privacy-awareness into clinical workflows.
SICS Softw.-Intensive Cyber Phys. Syst., 2020

Managing Consent in Workflows under GDPR.
Proceedings of the 12th ZEUS Workshop on Services and their Composition, 2020

Parallelizing Filter-Verification Based Exact Set Similarity Joins on Multicores.
Proceedings of the Similarity Search and Applications - 13th International Conference, 2020

2019
SAP HANA goes private - From Privacy Research to Privacy Aware Enterprise Analytics.
Proc. VLDB Endow., 2019

Ontology-Based Privacy Compliance Checking for Clinical Workflows.
Proceedings of the Conference on "Lernen, Wissen, Daten, Analysen", Berlin, Germany, September 30, 2019

2018
Query Processing and Optimization in Object Relational Databases.
Proceedings of the Encyclopedia of Database Systems, Second Edition, 2018

Set Similarity Joins on MapReduce: An Experimental Survey.
Proc. VLDB Endow., 2018

Efficient Measuring of Congruence on High Dimensional Time Series.
CoRR, 2018

An Analytical Approach to Improving Time Warping on Multidimensional Time Series.
CoRR, 2018

Measuring Congruence on High Dimensional Time Series.
CoRR, 2018

High Dimensional Time Series Generators.
CoRR, 2018

Streams and Tables: Two Sides of the Same Coin.
Proceedings of the International Workshop on Real-Time Business Intelligence and Analytics, 2018

2017
Federated Semantic Data Management (Dagstuhl Seminar 17262).
Dagstuhl Reports, 2017

Dynamic Time Warping and the (Windowed) Dog-Keeper Distance.
Proceedings of the Similarity Search and Applications - 10th International Conference, 2017

2016
Non-Invasive Progressive Optimization for In-Memory Databases.
Proc. VLDB Endow., 2016

Editorial.
Datenbank-Spektrum, 2016

MapReduce Frameworks: Comparing Hadoop and HPCC.
Proceedings of the Conference "Lernen, 2016

2015
Selection on Modern CPUs.
Proceedings of the 3rd VLDB Workshop on In-Memory Data Mangement and Analytics, 2015

D2Pt: Privacy-Aware Multiparty Data Publication.
Proceedings of the Datenbanksysteme für Business, 2015

2014
The Stratosphere platform for big data analytics.
VLDB J., 2014

Grundlagen und Visionen großer Forschungsfragen im Bereich Big Data.
Inform. Spektrum, 2014

QTM: Modelling Query Execution with Tasks.
Proceedings of the International Workshop on Accelerating Data Management Systems Using Modern Processor and Storage Architectures, 2014

Adapting Tree Structures for Processing with SIMD Instructions.
Proceedings of the 17th International Conference on Extending Database Technology, 2014

Query Adaptation and Privacy for Real-Time Business Intelligence - Extended Abstract.
Proceedings of the Enabling Real-Time Business Intelligence - International Workshops, 2014

2013
Towards mega-modeling: a walk through data analysis experiences.
SIGMOD Rec., 2013

Editorial.
Datenbank-Spektrum, 2013

Peeking into the optimization of data flow programs with MapReduce-style UDFs.
Proceedings of the 29th IEEE International Conference on Data Engineering, 2013

PeRA: Individual Privacy Control in Intelligent Transportation Systems.
Proceedings of the Datenbanksysteme für Business, 2013

2012
Improving data quality by source analysis.
ACM J. Data Inf. Qual., 2012

Privacy Protocol for Linking Distributed Medical Data.
Proceedings of the Secure Data Management - 9th VLDB Workshop, 2012

Foundations of traversal based query execution over linked data.
Proceedings of the 23rd ACM Conference on Hypertext and Social Media, 2012

Privacy analysis using ontologies.
Proceedings of the Second ACM Conference on Data and Application Security and Privacy, 2012

2011
Foundations of Traversal Based Query Execution over Linked Data (Extended Version)
CoRR, 2011

Privacy-by-design in ITS applications.
Proceedings of the 12th IEEE International Symposium on a World of Wireless, 2011

Privacy Verification Using Ontologies.
Proceedings of the Sixth International Conference on Availability, 2011

2010
Software als Institution und ihre Gestaltbarkeit.
Inform. Spektrum, 2010

Editorial.
Datenbank-Spektrum, 2010

2009
Query Processing and Optimization in Object Relational Databases.
Proceedings of the Encyclopedia of Database Systems, 2009

Privacy in location-aware systems.
ACM SIGSPATIAL Special, 2009

Editorial to the Special Issue: "Database Systems".
Comput. Sci. Res. Dev., 2009

Executing SPARQL Queries over the Web of Linked Data.
Proceedings of the Semantic Web - ISWC 2009, 8th International Semantic Web Conference, 2009

Context Quality and Privacy - Friends or Rivals?
Proceedings of the Quality of Context, First International Workshop, 2009

Query Processing on Multi-Core Architectures.
Proceedings of the 21. GI-Workshop on Foundations of Databases (Grundlagen von Datenbanken), 2009

Privacy Challenges for Database Systems.
Proceedings of the 21. GI-Workshop on Foundations of Databases (Grundlagen von Datenbanken), 2009

Verwaltung, Analyse und Bereitstellung kontextbasierter Informationen.
Proceedings of the 39. Jahrestagung der Gesellschaft für Informatik, Im Focus das Leben, INFORMATIK 2009, Lübeck, Germany, September 28, 2009

Protecting Privacy in Context-aware Systems - Necessary or superfluous?
Proceedings of the 39. Jahrestagung der Gesellschaft für Informatik, Im Focus das Leben, INFORMATIK 2009, Lübeck, Germany, September 28, 2009

Linked Data for Building a Map of Researchers.
Proceedings of the Fifth Workshop on Scripting and Development for the Semantic Web , 2009

Flexible failure handling for cooperative processes in distributed systems.
Proceedings of the 5th International Conference on Collaborative Computing: Networking, 2009

2008
Adaptive workflow scheduling under resource allocation constraints and network dynamics.
Proc. VLDB Endow., 2008

Designing Component-Based Semantic Web Applications with DESWAP.
Proceedings of the Poster and Demonstration Session at the 7th International Semantic Web Conference (ISWC2008), 2008

2007
Efficient exploitation of similar subexpressions for query processing.
Proceedings of the ACM SIGMOD International Conference on Management of Data, 2007

Distributed Service Deployment in Mobile Ad-Hoc Networks.
Proceedings of the 4th Annual International Conference on Mobile and Ubiquitous Systems (MobiQuitous 2007), 2007

Entwurf von Informationsintegrationssystemen auf der Basis der Merkmalsmodellierung.
Proceedings of the Datenbanksysteme in Business, 2007

2006
Privacy-Techniken im Überblick.
Datenbank-Spektrum, 2006

Classification of Contradiction Patterns.
Proceedings of the Advances in Data Analysis, 2006

Describing differences between databases.
Proceedings of the 2006 ACM CIKM International Conference on Information and Knowledge Management, 2006

2005
Data Mining: The Next Generation.
it Inf. Technol., 2005

Semantic Query Transformation Using Ontologies.
Proceedings of the Ninth International Database Engineering and Applications Symposium (IDEAS 2005), 2005

05441 Abstracts Collection - Managing and Mining Genome Information: Frontiers in Bioinformatics.
Proceedings of the Managing and Mining Genome Information: Frontiers in Bioinformatics, 30. October, 2005

05441 Executive Summary - Managing and Mining Genome Information: Frontiers in Bioinformatics.
Proceedings of the Managing and Mining Genome Information: Frontiers in Bioinformatics, 30. October, 2005

Query Processing Using Ontologies.
Proceedings of the Advanced Information Systems Engineering, 17th International Conference, 2005

2004
Best papers of VLDB 2003.
VLDB J., 2004

Efficient prediction of alternative splice forms using protein domain homology.
Silico Biol., 2004

Completeness of integrated information sources.
Inf. Syst., 2004

Privacy.
Datenbank-Spektrum, 2004

Mining for Patterns in Contradictory Data.
Proceedings of the IQIS 2004, 2004

Dynamic information fusion for genome annotation.
Proceedings of the 34. Jahrestagung der Gesellschaft für Informatik, 2004


Using Ontologies for Database Query Reformulation.
Proceedings of the Advances in Databases and Information Systems, 2004

2003
Ontology Based Query Processing in Database Management Systems.
Proceedings of the On The Move to Meaningful Internet Systems 2003: CoopIS, DOA, and ODBASE, 2003

Rechnergestützte Suche nach Korrelationen in komplexen Datensätzen der Biowissenschaften.
Proceedings of the BTW 2003, 2003

2002
Repudiative information retrieval.
Proceedings of the 2002 ACM Workshop on Privacy in the Electronic Society, 2002

Viator - A Tool Family for Graphical Networking and Data View Creation.
Proceedings of 28th International Conference on Very Large Data Bases, 2002

Access Support Tree & TextArray: A Data Structure for XML Document Storage & Retrieval.
Proceedings of the 14th International Conference on Scientific and Statistical Database Management, 2002

Almost Optimal Private Information Retrieval.
Proceedings of the Privacy Enhancing Technologies, Second International Workshop, 2002

The XML Query Execution Engine (XEE).
Proceedings of the Baltic Conference, 2002

2001
Absolute Privacy in Voting.
Proceedings of the Information Security, 4th International Conference, 2001

2000
Implementing Geospatial Operations in an Object-Relational Database System.
Proceedings of the 12th International Conference on Scientific and Statistical Database Management, 2000

A Communication Infrastructure for a Distributed RDBMS (Research Note).
Proceedings of the Euro-Par 2000, Parallel Processing, 6th International Euro-Par Conference, Munich, Germany, August 29, 2000

XML Conceptual Modeling Using UML.
Proceedings of the Conceptual Modeling, 2000

Managing Schemata for Semistructured Databases Using Constraints.
Proceedings of the Current Issues in Databases and Information Systems, 2000

1999
Quality-driven Integration of Heterogenous Information Systems.
Proceedings of the VLDB'99, 1999

Querying Semistructured Data Based on Schema Matching.
Proceedings of the Research Issues in Structured and Semistructured Database Programming, 1999

1998
Quality Driven Source Selection Using Data Envelope Analysis.
Proceedings of the Third Conference on Information Quality (IQ 1998), 1998

1997
Sequence Comparison Using a Relational Database Approach.
Proceedings of the International Database Engineering and Applications Symposium, 1997

AQuES: An Agent-based Query Evaluation System.
Proceedings of the Second IFCIS International Conference on Cooperative Information Systems, 1997

1996
Modelling Resource Utilization in Pipelined Query Execution.
Proceedings of the Euro-Par '96 Parallel Processing, 1996

1995
An Annotated Bibliography on Active Databases.
SIGMOD Rec., 1995

Testing the Quality of a Query Optimizer.
IEEE Data Eng. Bull., 1995

1993
Working Group Parallel Query Optimization.
Proceedings of the Fifth Workshop on Foundations of Models and Languages for Data and Objects, 1993

1989
On the Translation of Relational Queries into Iterative Programs.
ACM Trans. Database Syst., 1989

Rules for Implementing Very Large Knowledge Base Systems.
SIGMOD Rec., 1989

Extensible Query Processing in Starburst.
Proceedings of the 1989 ACM SIGMOD International Conference on Management of Data, Portland, Oregon, USA, May 31, 1989

The Basic Principles of Query Optimization in Relational Database Management Systems.
Proceedings of the Information Processing 89, Proceedings of the IFIP 11th World Computer Congress, San Francisco, USA, August 28, 1989

1988
Implementing an Interpreter for Functional Rules in a Query Optimizer.
Proceedings of the Fourteenth International Conference on Very Large Data Bases, August 29, 1988

Mapping Object-Oriented Concepts into Relational Concepts by Meta-Compilation in a Logic programming Environment.
Proceedings of the Advances in Object-Oriented Database Systems, 1988

1987
Masking System Crashes in Database Application Programs.
Proceedings of the VLDB'87, 1987

A Rule-Based View of Query Optimization.
Proceedings of the Association for Computing Machinery Special Interest Group on Management of Data 1987 Annual Conference, 1987

Translating Relational Queries into Iterative Programs
Lecture Notes in Computer Science 261, Springer, ISBN: 3-540-18000-1, 1987

1986
Translating Aggregate Queries into Iterative Programs.
Proceedings of the VLDB'86 Twelfth International Conference on Very Large Data Bases, 1986

Rule-Based Translation of Relational Queries into Iterative Programs.
Proceedings of the 1986 ACM SIGMOD International Conference on Management of Data, 1986

Extensibility in the Starburst Database System.
Proceedings of the 1986 International Workshop on Object-Oriented Database Systems, 1986


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