Stephan Zednik

Interests: eScience

Stephan Zednik joined the Tetherless World Constellation in December of 2008 as a Software Engineer. Prior to coming to RPI, Stephan worked at the High Altitude Observatory of the National Center for Atmospheric Research in Boulder, Colorado.

	Tetherless World Constellation (TWC)	Website: http://tw.rpi.edu
	Rensselaer Polytechnic Institute (RPI)	Website: http://www.rpi.edu

Publications:

Zednik, S., Fox, P., and McGuinness, D.L. 2010. System Transparency, or How I Learned to Worry about Meaning and Love Provenance!. In Proceedings of 3rd International Provenance and Annotation Workshop (June 15-16 2010, ), pp. 165-173.

West, P., Michaelis, J., Fox, P., Zednik, S., and McGuinness, D.L. 2010. Presenting Provenance Based on User Roles: Experiences with a Solar Physics Data Ingest System. In Proceedings of AGU Fall Meeting 2010 (December 13-17 2010, San Francisco, CA).

Michaelis, J., Ding, L., Shangguan, Z., Zednik, S., Huang, R., Pinheiro da Silva, P., Rio, N., and McGuinness, D.L. 2009. Towards Usable and Interoperable Workflow Provenance: Empirical Case Studies Using PML. In Proceedings of First International Workshop on the role of Semantic Web in Provenance Management (October 25 2009).

Zednik, S., Fox, P., McGuinness, D.L., Pinheiro da Silva, P., and Chang, C. 2009. Semantic Provenance for Science Data Products - Application to Image Data Processing. In Proceedings of First International Workshop on the role of Semantic Web in Provenance Management (October 25 2009).

Michaelis, J., Zednik, S., Ding, L., and McGuinness, D.L. 2009. A Comparison of the OPM and PML Provenance Models.

Garcia, J., Fox, P., West, P., and Zednik, S. 2009. Developing service-oriented applications in a grid environment - Experiences using the OPeNDAP back-end-server. Earth Science Informatics, pp. 133-139.

West, P., Rozell, E., Zednik, S., Fox, P., and McGuinness, D.L. 2009. Semantically Enabled Temporal Reasoning in a Virtual Observatory. In Proceedings of OWLED 2009 (October 23-24 2009, ).

McGuinness, D.L., Fox, P., Pinheiro da Silva, P., Zednik, S., Rio, N., Ding, L., West, P., and Chang, C. 2008. Annotating and embedding provenance in science data repositories to enable next generation science applications. In Proceedings of AGU Fall Meeting 2008 (December 15-19 2008, San Francisco, CA).

Fox, P., McGuinness, D.L., Garcia, J., Zednik, S., and Ding, L. 2008. Semantic Provenance for Image Data Processing. In Proceedings of Geoinformatics 2008 (June 11-13 2008).

Fox, P., Cinquini, L., McGuinness, D.L., West, P., Garcia, J., Benedict, J., and Zednik, S. 2007. Semantic Web Services for Interdisciplinary Scientific Data Query and Retrieval. In Proceedings of AAAI Workshop on Semantic e-Science 2007 of the Conference on Artificial Intelligence 2007 (July 23 2007July 23 2007, Vancouver, Canada).

Presentations:

West, P., Fox, P., Gallagher, J., Potter, N., Halloway, D., & Zednik, S. (December 8, 2011). OPeNDAP Hyrax: An extensible data access framework within the Earth System Grid Federation. In: AGU Fall Meeting 2011

Wang, H., Rozell, E., West, P., Zednik, S., & Fox, P. (December 7, 2011). Semantic Representation of Temporal Metadata in a Virtual Observatory. In: AGU Fall Meeting 2011

Maffei, A., Rozell, E., West, P., Zednik, S., & Fox, P. (December 7, 2011). Open Standards and Technologies in the S2S Framework. In: AGU Fall Meeting 2011

Zednik, S., Leptoukh, G., Fox, P., Lynnes, C., West, P., & Ahmad, S. (December 6, 2011). A Semantic Representation of Product Quality and Evidence for Satellite Data. In: AGU Fall Meeting 2011

Zednik, S. (September 23, 2011). Linked Data Practices for the Geospatial Community. In: GEOSS Climate Workshop 2011

Zednik, S., Leptoukh, G., Fox, P., Lynnes, C., & Pan, J. (April 8, 2011). Experiences Developing a User-centric Presentation of Provenance for a Web-based Science Data Analysis Tool. In: EGU General Assembly 2011

Rozell, E., Fox, P., Maffei, A., & Zednik, S. (April 6, 2011). A Framework for Earth Science Search Interface Development. In:

West, P., Michaelis, J., Fox, P., Zednik, S., & McGuinness, D. (December 17, 2010). Presenting Provenance Based on User Roles: Experiences with a Solar Physics Data Ingest System. In: AGU Fall Meeting 2010

Michaelis, J., Zednik, S., West, P., Fox, P., & McGuinness, D. (December 16, 2010). Extending eScience Provenance with User-Submitted Semantic Annotations, Abstract IN43C-08. In: AGU Fall Meeting 2010

West, P., Michaelis, J., Fox, P., Zednik, S., & McGuinness, D. (December 15, 2010). Presenting Provenance Based on User Roles: Experiences with a Solar Physics Data Ingest System. In: AGU Fall Meeting 2010

Zednik, S., Lynnes, C., Fox, P., Leptoukh, G., & Pan, J. (December 13, 2010). A Semantic Provenance-aware Expert Advisory System in a Web-based Science Data Analysis Tool. In: AGU Fall Meeting 2010

McGuinness, D., Fox, P., Pinheiro da Silva, P., Zednik, S., Rio, N., Ding, L., West, P., & Chang, C. (December 15, 2008). Annotating and embedding provenance in science data repositories to enable next generation science applications. In: AGU Fall Meeting 2008

Zednik, S., Garcia, J., Fox, P., & West, P. (December 15, 2008). The OPeNDAP and Remote NetCDF Invocation (RNI) middleware platform for Scientific Data Fusion. In: AGU Fall Meeting 2008

Fox, P., McGuinness, D., Garcia, J., Zednik, S., & Ding, L. (June 11, 2008). Semantic Provenance for Image Data Processing. In: Geoinformatics 2008

Zednik, S., Garcia, J., Fox, P., & West, P. (December 10, 2007). The Remote NetCDF Invocation (RNI) middleware platform. Making Scientific Datasets Available for Ubiquitous Computing. In: AGU Fall Meeting 2007

	AeroStat Research Areas: Knowledge Provenance, Data Frameworks Principal Investigator: Greg Leptoukh Co Investigator: Peter Fox and Christopher Lynnes Sponsor: NASA Advancing Collaborative Connections for Earth System Science Description: Objective Provide online environment for convenient access to: Satellite and ground-based aerosol data Quality information and provenance Calibration/validation data Provide multi-sensor services: Multi-sensor and model intercomparison Cross-sensor bias adjustment Data merging Create collaborative environment for aerosol researchers to share ideas, workflows and results Concepts: Provenance, eScience
	Biological and Chemical Oceanography Data Management Office (BCO-DMO) Research Areas: Data Frameworks Principal Investigator: Peter Fox Sponsor: Tetherless World Constellation Description: The Biological and Chemical Oceanography Data Management Office (BCO-DMO) was created to serve PIs funded by the NSF Biological and Chemical Oceanography Sections as a location where marine biogeochemical, ecological and oceanographic data and information developed in the course of scientific research can easily be disseminated, protected, and stored on short and intermediate time-frames. Concepts: eScience
	Data Quality Screening Service (DQSS) Research Areas: Knowledge Provenance, Data Frameworks Principal Investigator: Christopher Lynnes Co Investigator: Peter Fox Sponsor: National Aeronautics and Space Administration Description: Objective Make data quality information easy to use for the water cycle community Expert and non-specialist users alike Human and machine users alike Connect users seamlessly to best practices in data quality handling, i.e., the science team recommendations for quality screening (filtering) Enable higher and more correct utilization of data quality indicators in data analysis Concepts: eScience, Provenance
	Earth System Grid - Center for Enabling Technologies (ESG-CET) Research Areas: Data Frameworks, Semantic eScience Principal Investigator: Dean Williams and Peter Fox Sponsor: Scientific Discovery through Advanced Computing Description: The Earth System Grid (ESG) integrates supercomputers with large-scale data and analysis servers located at numerous national labs and research centers to create a powerful environment for next generation climate research. Concepts: eScience, Solar Science
	HAO-CI Description: Working to develop a semantically enabled cyber infrastructure for the varying science projects within the High Altitude Observatory of the University Corporation of Atmospheric Research. Concepts: Data Science, eScience
	Neon Educational System for Data Access and Analysis (NESDAA) Principal Investigator: Dennis Ward Sponsor: National Ecological Observatory Network, Inc. Description: To enable advanced undergraduate students and facilitator to have access to learning materials and associated artefacts like data, code, workflows [e.g. Taverna], scientific literature, and more. Concepts: eScience
	Semantic Provenance Capture in Data Ingest Systems (SPCDIS) Research Areas: Data Frameworks, Knowledge Provenance Principal Investigator: Peter Fox Co Investigator: Deborah L. McGuinness Sponsor: National Science Foundation Description: The goal of this project is to develop at the RPI Tetherless World Constellation, based within the NCAR High Altitude Observatory and in collaboration with the University of Texas at El Paso, the University of Michigan and McGuinness Associates a semantically-enabled data ingest capability. Concepts: eScience
	Semantic eScience Framework (SeSF) Research Areas: Data Science, Semantic eScience, Data Frameworks Principal Investigator: Peter Fox Co Investigator: Deborah L. McGuinness Sponsor: National Science Foundation Office of Cyberinfrastructure Description: The goals of this effort is to design and implement a configurable and extensible semantic eScience framework. Concepts: eScience
	Virtual Solar Terrestrial Observatory (VSTO) Research Areas: Semantic eScience, Data Frameworks Principal Investigator: Peter Fox Co Investigator: Deborah L. McGuinness Sponsor: National Science Foundation Description: VSTO is a collaborative project between the High Altitude Observatory and Scientific Computing Division of the National Center for Atmospheric Research and McGuinness Associates. Concepts: Terrestrial Science, eScience, Solar Science