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Title:
Semantic Document Library: A Virtual Research Environment for Documents, Data and Workflows Sharing
Authors:
Kotwani, K.; Liu, Y.; Myers, J.; Futrelle, J.
Affiliation:
AA(National Center for Supercomputing Applications, 1205 W. Clark St, Urbana, IL 61801, United States ; ), AB(National Center for Supercomputing Applications, 1205 W. Clark St, Urbana, IL 61801, United States ; ), AC(National Center for Supercomputing Applications, 1205 W. Clark St, Urbana, IL 61801, United States ; ), AD(National Center for Supercomputing Applications, 1205 W. Clark St, Urbana, IL 61801, United States ; )
Publication:
American Geophysical Union, Fall Meeting 2008, abstract #IN31B-1138
Publication Date:
12/2008
Origin:
AGU
AGU Keywords:
0520 Data analysis: algorithms and implementation, 0525 Data management, 0530 Data presentation and visualization, 6339 System design
Abstract Copyright:
(c) 2008: American Geophysical Union
Bibliographic Code:
2008AGUFMIN31B1138K

Abstract

The Semantic Document Library (SDL) was driven by use cases from the environmental observatory communities and is designed to provide conventional document repository features of uploading, downloading, editing and versioning of documents as well as value adding features of tagging, querying, sharing, annotating, ranking, provenance, social networking and geo-spatial mapping services. It allows users to organize a catalogue of watershed observation data, model output, workflows, as well publications and documents related to the same watershed study through the tagging capability. Users can tag all relevant materials using the same watershed name and find all of them easily later using this tag. The underpinning semantic content repository can store materials from other cyberenvironments such as workflow or simulation tools and SDL provides an effective interface to query and organize materials from various sources. Advanced features of the SDL allow users to visualize the provenance of the materials such as the source and how the output data is derived. Other novel features include visualizing all geo-referenced materials on a geospatial map. SDL as a component of a cyberenvironment portal (the NCSA Cybercollaboratory) has goal of efficient management of information and relationships between published artifacts (Validated models, vetted data, workflows, annotations, best practices, reviews and papers) produced from raw research artifacts (data, notes, plans etc.) through agents (people, sensors etc.). Tremendous scientific potential of artifacts is achieved through mechanisms of sharing, reuse and collaboration - empowering scientists to spread their knowledge and protocols and to benefit from the knowledge of others. SDL successfully implements web 2.0 technologies and design patterns along with semantic content management approach that enables use of multiple ontologies and dynamic evolution (e.g. folksonomies) of terminology. Scientific documents involved with many interconnected entities (artifacts or agents) are represented as RDF triples using semantic content repository middleware Tupelo in one or many data/metadata RDF stores. Queries to the RDF enables discovery of relations among data, process and people, digging out valuable aspects, making recommendations to users, such as what tools are typically used to answer certain kinds of questions or with certain types of dataset. This innovative concept brings out coherent information about entities from four different perspectives of the social context (Who-human relations and interactions), the casual context (Why - provenance and history), the geo-spatial context (Where - location or spatially referenced information) and the conceptual context (What - domain specific relations, ontologies etc.).
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