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Digital Research Records at Center for Environmental Studies Peter McCartney Center for Environmental Studies Arizona State University • Distributed Resources – 5 institutions, 8 departments • Biodiversity Taxonomic information Browsing Collections query Species checklists Identification Keys • Research metadata – Datasets, Literature,Images, Protocols, Models • Data access – Download, Visualization, EDA Center for Environmental Studies Arizona State University History • LTER Mandate to provide longterm management of Ecological Data • Expand ASU Capacity for large environmental initiatives through integration • Develop more effective data sharing with central Arizona partner (Federal, State, Municipal, NGO) Center for Environmental Studies Arizona State University Model for EcoInformatics Outreach Knowledge Broad Spatial and Temporal Research Knowledge-based Query Systems Information Framework Data Semantic Metadata Indexing Catalogs Data Access Technology Syntactic Metadata Primary Data Storage Center for Environmental Studies Arizona State University Distributed computing ADEQ ADWR CES Informatics Lab MAG ASU GIS Lab Geo Sciences Remote Sensing Lab Landscape Ecology Modeling Lab Office of Climatology ASU MesoNet Lab Metadata Service Data Service Model Service Message Pathway Center for Environmental Studies Arizona State University Ecological Data Archives • Diversity in formats, schema, size, organization. – Tabular – SQL, ASCII, App formats – GIS – shapefiles, SDE, coverages – Raster – raw, SDE, Remote sensing, Erdas, ESRI Grid • Standards and procedures may exist within individual archives – Few standards at network level Center for Environmental Studies Arizona State University Ecological Metadata Language • Serve to integrate, rather than dictate, site solutions for data management –ASU, Central Arizona, Naitonal LTER network, OBFS • Machine parsable –Based on XML • Build on existing standards –FLED, Dublin core, ISO 19115, FGDC Center for Environmental Studies Arizona State University EML 2.0 Design • Modular, with classes relating to specific functional roles • Uses XML Schema complex types to define extensible base classes of information resources • Extensible via the linking of new modules within the schema • Organized to abstract the logical description of data from the physical Center for Environmental Studies Arizona State University EML Related Projects at CES • Xylographa – Metadata Creation • Xanthoria – Metadata Query • Xylopia- Metadata mediated Access Center for Environmental Studies Arizona State University Xylographa: Metadata Cretation Center for Environmental Studies Arizona State University Xanthoria: Metadata Query User Xanthoria Client Application Metadata archives XML Schema HTTP Browser HTTP Request/ Response Web Application Database Target Xanthoria SOAP Server SOAP Messages XML File Target Xanthoria SOAP Server Relational Database XML Files SOAP Messages Query Manager Xanthoria SOAP Client Xindice Target SOAP Messages Xanthoria SOAP Server XML Database SOAP Messages Metacat Target Metacat Xanthoria SOAP Server Center for Environmental Studies Arizona State University RDBMS Connector Xylographa EML Configuration Wizard Config.XML XSL RDBMS Catalog Xanthoria Connector Native XML Standard XML Center for Environmental Studies Arizona State University Xanthoria Methods ping(src): boolean query(returnfields, querygroup, query statement, src): Element getFullRecordElement(id, src): Element getFullRecordPath(id, src): String load(file, src): String src = target name CES Center for Environmental Studies Center for Environmental Studies Arizona State University Xanthoria Query Reply CES Center for Environmental Studies Center for Environmental Studies Arizona State University Xanthoria Request CES Center for Environmental Studies Center for Environmental Studies Arizona State University Xylopia: Metadata Mediate Access A web-service (Apache SOAP) based data analysis application for EML Uses EML Metadata to resolve message content Modules for: Data Query Processing Visualization Analysis CES Center for Environmental Studies Center for Environmental Studies Arizona State University Xylopia Components Web-based Application (SEINet, Ecology Explorers, ClimDB, etc.) Xylopia Client-side Xylopia Server-side SOAP Data Collector Graph Generator Input: EML Query Input: Clipped EML & GG Message Output: Clipped EML & Raw Data or Processed Data (ASCII) Output: PNG graph CES Center for Environmental Studies Map Generator* Statistics Calculator Input: EML Query & MG Message Input: Clipped EML & SC Message Output: JPG, zip, map service configuration Output: Clipped EML & Stats (ASCII) *This module is not a web-service Center for Environmental Studies Arizona State University Typical Xylopia Workflow EML Query message built by the app/user App sends the message to the Data Collector Data Collector finds the data, puts it into an ascii file and places the data and a new ‘clipped eml’ into a designated drop box App gets these data and displays it to the user If the user requests a graph or statistics on these data, the ‘clipped eml’ and ascii file is usually used by these web services If the user requests mapping data, the Data Collector’s output varies depending on the requested file’s format CES Center for Environmental Studies Center for Environmental Studies Arizona State University Center for Environmental Studies Arizona State University Center for Environmental Studies Arizona State University Center for Environmental Studies Arizona State University Center for Environmental Studies Arizona State University Center for Environmental Studies Arizona State University