Stephan Zednik

ORCID: 0000-0002-5635-9501
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About
Contact & Profiles
Research Areas
  • Scientific Computing and Data Management
  • Research Data Management Practices
  • Semantic Web and Ontologies
  • Distributed and Parallel Computing Systems
  • Advanced Computational Techniques and Applications
  • Data Quality and Management
  • Environmental Monitoring and Data Management
  • Atmospheric and Environmental Gas Dynamics
  • Advanced Data Storage Technologies
  • Geochemistry and Geologic Mapping
  • Astronomical Observations and Instrumentation
  • Big Data and Business Intelligence
  • Advanced Database Systems and Queries
  • Biomedical Text Mining and Ontologies
  • Data Visualization and Analytics
  • Atmospheric aerosols and clouds
  • Service-Oriented Architecture and Web Services
  • Metal Extraction and Bioleaching
  • Business Process Modeling and Analysis
  • Power Systems and Technologies
  • Wireless Sensor Networks and IoT
  • Information Systems Theories and Implementation
  • Air Quality Monitoring and Forecasting
  • Geological Modeling and Analysis
  • Diverse Global Research Studies

Rensselaer Polytechnic Institute
2008-2017

United States Geological Survey
2015

NSF National Center for Atmospheric Research
2006-2010

High Altitude Observatory
2009

The important topic of global climate change builds on a huge collection scientific research. It is common for agencies releasing information to be served with requests all supporting materials resulting in particular conclusion. Capturing and presenting provenance, linking the research papers, data sets, models, analyses, observations, satellites, etc., that support key findings this domain can increase understanding aid reproducibility results conclusions. U.S. Global Change Research...

10.1109/tgrs.2013.2262179 article EN IEEE Transactions on Geoscience and Remote Sensing 2013-07-12

Geoscience researchers are increasingly dependent on informatics and the Web to conduct their research. is one of first domains that take lead in initiatives such as open data, code, access, collections, which comprise key topics Open Science academia. The meaning being can be understood at two levels. lower level make sample collections publications, etc. freely accessible online allow reuse, modification sharing. higher annotation connection between those resources establish a network for...

10.3389/feart.2017.00036 article EN cc-by Frontiers in Earth Science 2017-05-14

With the increasing complexity of hydrologic problems, data collection and analysis are often carried out in distributed heterogeneous systems. Therefore it is critical for users to determine origin its trustworthiness. Provenance describes information life cycle products. It has been recognised as one most promising methods improve transparency. However, due involved, a challenge query provenance which may be generated by systems, with different vocabularies conventions, involve knowledge...

10.2166/hydro.2012.152 article EN Journal of Hydroinformatics 2012-07-26

Data interoperability is an ongoing challenge for global open data initiatives. The machine-readable specification of types datasets will help address issues. have typically been at the syntactical level such as integer, float and string, etc. in programming languages. work presented this paper a model design semantic types, topographic map. was conducted context Semantic Web. differentiates type from basic type. former are instances (e.g., map) specific class that defined developed model....

10.3390/ijgi5030038 article EN cc-by ISPRS International Journal of Geo-Information 2016-03-16

Use cases, information modeling, and linked data techniques are Semantic Web technologies used to develop a prototype system that integrates scientific observations from four independent USGS cooperator systems. The were tested with use case goal of creating set for in exploring potential relationships among freshwater fish populations environmental factors. resulting extracts the BioData Retrieval System, Multistate Aquatic Resource Information National Geochemical Survey, Hydrography...

10.3133/ofr20151004 article EN Antarctica A Keystone in a Changing World 2015-01-01

The Open-source Project for a Network Data Access Protocol (OPeNDAP) software framework has evolved over the last 10 years to become robust, high performance, service oriented architecture access and transport of scientific data from broad variety disciplines, Internet. Starting with version 4.0 server release, Hyrax, at its core, Back-End Server (BES). BES offers ease programming, extensibility reliability allowing added functionality especially related high-performance Grids, that goes...

10.1007/s12145-008-0017-0 article EN cc-by-nc Earth Science Informatics 2009-01-19
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