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Published on November 24, 2007

Author: Naples

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Global Information Locator Service (GILS):  presented February 15, 2001 at Microsoft by Eliot Christian, U.S. Geological Survey Global Information Locator Service (GILS) GILS Presentation Outline:  GILS Presentation Outline Concepts Standards Convergent Evolution UDDI and GILS Z39.50 Implementors GILS Initiatives GILS Presentation Outline:  GILS Presentation Outline Concepts Information Discovery Metadata Semantic Mapping Standards and Perspectives Convergent Evolution UDDI and GILS Z39.50 Implementors GILS Initiatives Data / Information / Knowledge Management Processes:  Data / Information / Knowledge Management Processes GILS focuses on Information Discovery:  GILS focuses on Information Discovery GILS Goal: Make it easier for people to discover information Why Is Information So Hard To Find?:  Why Is Information So Hard To Find? The "Information Discovery" Problem We need information but we cannot retrieve it, because we do not know who might have it or how we ask for it. Why Is Information So Hard To Find?:  Why Is Information So Hard To Find? The Internet is not a Library, Yet Search services do not yet work with each other, nor with traditional libraries Internet lacks standards comparable to what libraries achieved many years ago The GILS Vision:  The GILS Vision Imagine The whole Internet organized in common ways to help us discover information Where anyone can make and publish their own catalogs instantly And, search includes not just Web pages but the world's library catalogs, atlases, directories, and databases GILS Presentation Outline:  GILS Presentation Outline Concepts Information Discovery Metadata Semantic Mapping Standards and Perspectives Convergent Evolution UDDI and GILS Z39.50 Implementors GILS Initiatives Information Discovery Operates on Metadata (Characteristics) :  Information Discovery Operates on Metadata (Characteristics) Who made it? What is its name? What type is it? Where is it stored? Is it free? Unfortunately, Metadata is not Standardized :  Unfortunately, Metadata is not Standardized Different terms for similar characteristics: GILS Presentation Outline:  GILS Presentation Outline Concepts Information Discovery Metadata Semantic Mapping Standards and Perspectives Convergent Evolution UDDI and GILS Z39.50 Implementors GILS Initiatives Semantic Mapping Approach:  Semantic Mapping Approach Just for searching, associate metadata to standard bibliographic concepts: Who made it? What type is it? What is its name? Metadata:  Metadata Metadata covers many characteristics But, just a few are almost always searchable In concept, these common metadata are equivalent to bibliographic citations GILS Presentation Outline:  GILS Presentation Outline Concepts Standards and Perspectives Bibliographic Metadata Technical Standards Perspectives Convergent Evolution UDDI and GILS Z39.50 Implementors GILS Initiatives Searching Metadata:  Searching Metadata Task: find information where “Title” contains the word “USGS” GILS server searches any bibliographic catalogs and locator records where metadata is mapped to “Title” concept Bibliographic Metadata:  Bibliographic Metadata GILS search service finds records in various formats, distributed across the Internet in various catalogs and databases GILS Presentation Outline:  GILS Presentation Outline Concepts Standards and Perspectives Bibliographic Metadata Technical Standards Perspectives Convergent Evolution UDDI and GILS Z39.50 Implementors GILS Initiatives The GILS Standard:  The GILS Standard Internet client/server (TCP/IP, etc.) Uniform Resource Identifiers (e.g., URL's) MIME Types Date Format (ISO 8601) ISO 23950 (Z39.50) Init, Search and Present services Type-1 queries (generic Boolean) Part of Bib-1 Attribute Set NOTE: Z39.50 has many optional specs— GILS has only a few, required specifications Bib-1 (Bibliographic Search):  Bib-1 (Bibliographic Search) Search Concepts 4 title 1005 originator 2001 distributor 1019 record source 2002 subject terms -- controlled 29 subject terms -- uncontrolled 1012 date last modified 1035 anywhere (full-text) 12 local number GILS and Z39.50 (ISO 23950):  GILS and Z39.50 (ISO 23950) Provides a registered set of well-known semantics needed for semantic interoperability Provides an "abstraction layer" (hide the details) for information system interoperability Only standard for direct search of library and information services for the foreseeable future Demonstrated bridging to SQL and X.500 (LDAP) XML protocol mechanism (XER) in prototype now GILS Presentation Outline:  GILS Presentation Outline Concepts Standards and Perspectives Bibliographic Metadata Technical Standards Perspectives Convergent Evolution UDDI and GILS Z39.50 Implementors GILS Initiatives Searcher Perspective:  Searcher Perspective GILS gives searchers a standard way to find information resources Because GILS uses standard bibliographic concepts, anyone who uses a library already understands GILS searches GILS locator records can be chained to support referrals into or among collections Information Provider Perspective:  Information Provider Perspective GILS defines an open, low-cost, and scalable standard across all phases of information and knowledge management Information providers and intermediaries provide content management tools based on metadata, as well as search services In a system architecture, a GILS interface cleanly separates the search function from networking and other components A Note about User Interfaces:  A Note about User Interfaces A GILS search service is defined only at the network level The design of user interfaces for searching is outside the scope of GILS GILS places no constraints on how a search service may be presented to searchers GILS Presentation Outline:  GILS Presentation Outline Concepts Standards and Perspectives Convergent Evolution UDDI & GILS Z39.50 Implementors GILS Initiatives Library and Information Services Catalogs:  Library and Information Services Catalogs Metadata in Databases:  Metadata in Databases First-generation Web crawlers:  First-generation Web crawlers Second-generation Web Crawlers:  Second-generation Web Crawlers Full-text index "Full-text" Indexer Metadata capable search engine Documents, Data, Files, Records, etc. Locator Records Searcher "Intelligent" Gatherer digitize Examples: Alta Vista, Ultraseek, Advanced Search Facility Search Portals using GILS:  Search Portals using GILS Full-text index "Full-text" Indexer GILS-compliant search Documents, Data, Files, Records, etc. Locator Records Metadata databases Human cataloger Searcher "Intelligent" Gatherer digitize Search Interoperability:  Search Interoperability GILS “plug-in” gateways Searcher LDAP (X.500) SQL (ODBC/JDBC) Z39.50 DASL UDDI XML Query(future) Service Description & Discovery:  Service Description & Discovery GILS-compliant search Documents, Data, Files, Records, etc. Locator Records Searcher Locator Records Metadata databases Intermediary service GILS-compliant search Examples: NSDI/GSDI, GELOS, CIESIN, Digital Earth Full-text index Slide34:  Universal Description, Discovery, and Integration Global Information Locator Service GILS Presentation Outline:  GILS Presentation Outline Concepts Standards Convergent Evolution UDDI & GILS Z39.50 Implementors GILS Initiatives Z39.50 Register of Implementors:  Z39.50 Register of Implementors Adlib Information Systems B.V. Ameritech Library Services ARCA Consortium |a|S|tec| angewandte Systemtechnik GmbH Aurora Information Technology Auto-Graphics Inc. Axiell Biblioteks System AB Basis Systeme netzwerk (BSn) Best Seller, Inc. Bibliotekstjdnst AB BIBSYS BLCMP Library Services Ltd. Blue Angel Technologies Book Systems, Inc. BSZ Baden-Wurttemberg Brigham & Women's Hospital British Library CARL Corporation Carnegie-Mellon University Libraries Center for Networked Information Discovery and Retrieval CEO Programme, ENRM Development team CEOS (Commitee on Earth Observation Satellites) CGI Group Inc. Z39.50 Register of Implementors:  Z39.50 Register of Implementors Chemical Abstracts Service Cosmotron Systems Ltd. Crossnet Systems Limited COPAC Danish Library Centre, DanBib Dartmouth College Data Research Associates, Inc. Data Trek, Inc. DBV-OSI II Consortium Dedicated Response Dialog Corporation DIMDI (Deutsches Institut fuer Medizinische Dokumentation und Information) Distributed Systems Technology Centre DV Consulting EBSCO Publishing ELiAS Endeavor Information Systems, Inc. EnWare,S.A European Space Agency Excalibur Technologies Corporation Fachinformationszentrum (FIZ) Karlsruhe Finsiel S.p.A. Florida Center for Library Automation Fretwell-Downing Data Systems Fulcrum Technologies, Inc Gaylord CyberOdyssey Group Geac GTIS (Government Telecommunication, Canada) Z39.50 Register of Implementors:  Z39.50 Register of Implementors Harbinger GmbH Hardcover Software Index Data Information Access Company Innovative Interfaces Inc. INVESTools, Inc. Island Edge Research, Inc. ISM Library Information Services Japan Science and Technology Corporation Joanneum Research LEXIS-NEXIS Live Content Engineering & Design Pty Ltd The Library Corporation Library of Congress LIBRIS (Royal Library, Sweden) Lucent Technologies - Bell Laboratories Massachusetts Institute of Technology Miep MnSCU/PALS National Center for Supercomputing Applications (NCSA) Nat. Institute of Standards and Technology National Library of Australia National Library of Canada National Library of Medicine National Library of Norway OCLC Optimus Prime Pty Ltd Ovid Technologies Pace University School of Law Z39.50 Register of Implementors:  Z39.50 Register of Implementors Penn State University, Library Computing Services Pica Preston-Whitelaw, Ltd. (an Internet Systems, Inc. Co.) Raytheon Systems Company Stowe Computing Australia Sunstone Systems System Simulation Ltd. Tabula Interactive, Inc. Taliesin Software Research, Inc. Tieto Corporation UNI-C (Danish Computing Centre for Research and Education) UIGGM SB RAS University of Bradford University of California, Office of the President University of California at San Francisco Univeristy of Newcastle University of Texas at Austin, General Libraries University of Washington University of Wisconsin Madison U.S. Geological Survey U.S. Patent and Trademark Office Virginia Tech. VITROCISET S.p.A. VTLS, Inc. Washington University School of Medicine GILS Presentation Outline:  GILS Presentation Outline Concepts Standards and Perspectives Convergent Evolution UDDI and GILS Z39.50 Implementors GILS Initiatives International and other National U.S. National U.S. States Communities GILS and Geospatial Initiatives - Other Nations / International:  GILS and Geospatial Initiatives - Other Nations / International African Spatial Data Infrastructure Initiative, Antarctica, Argentina, Australia, Australia New Zealand Land Information Council, Barbados, Brazil, Canada, Caribbean, CERCO, Columbia, Committee on Earth Observing Satellites, Consortium for International Earth Science Information Network, Costa Rica, Cyprus, Denmark, DESIRE, Dominican Republic, El Salvador, EUROGI, European Environment Agency, European Legislative Virtual Library, European Space Agency, European Territorial Management Information Infrastructure, Finland, ... GILS and Geospatial Initiatives - Other Nations / International:  GILS and Geospatial Initiatives - Other Nations / International France, Germany, GI2000, Global Change Master Directory, Global Environmental Information Locator Service, Global Forest Information Service, Global Inventory Project, Greece, Guatemala, Health Information Locator Service for Latin America and the Caribbean, Honduras, Hong Kong, Hungary, India, Indonesia, INFEO, InterAmerican Biodiversity Information Network, Ireland, Italy, Japan, Kiribati, Korea, Macau, Malaysia, Mexico, Mongolia, Netherlands, New Zealand, Nicaragua, ... GILS and Geospatial Initiatives - Other Nations / International:  GILS and Geospatial Initiatives - Other Nations / International Pakistan, Permanent Committee on GIS Infrastructure for Asia & the Pacific, Peru, Philippines, Poland, Portugal, Russian Federation, South Africa, Spain, Sweden, Switzerland, Trans-European Research and Education Network, Trinidad and Tobago, United Kingdom, United Nations Environment Program, United Nations Framework Convention on Climate Change, United Nations Convention on Biological Diversity, United Nations Program on Human Sustainable Development, Uruguay, Venezuela GILS and Geospatial Initiatives - United States (National) :  GILS and Geospatial Initiatives - United States (National) Advanced Search Facility, Census Bureau, Center for Integration of Natural Disaster Information, Clearinghouse for Government Information, DefenseLink, Digital Earth, Federal Resources for Education Excellence, Federal Depository Library Program, FedSearch, FirstGov, Gateway to Educational Materials, Gateway to the Earth, Global Change Data and Information System, Government Printing Office, Library of Congress Thomas, Master Environmental Library, ... GILS and Geospatial Initiatives - United States (National) :  GILS and Geospatial Initiatives - United States (National) National Atlas of the United States, National Biological Information Infrastructure, National Spatial Data Infrastructure, National Environmental Data Index, National Oceanic and Atmospheric Administration, National Technical Information Service, National Wetlands Inventory, Natural Resources Conservation Service, Non-Profit Gateway, Patent and Trademark Office, Scientific and Technical Information Network, U.S. Federal GILS GILS and Geospatial Initiatives - U.S. States:  GILS and Geospatial Initiatives - U.S. States Alabama, Alaska, Arizona, Arkansas, California, Connecticut, Delaware, Florida, Georgia, Illinois, Kansas, Louisiana, Maryland, Massachusetts, Michigan, Minnesota, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, South Carolina, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming GILS Initiatives - Communities :  GILS Initiatives - Communities Baltimore, Seamless (Essex, U.K.), Chesapeake, Chicago, CommunityPlanet (Southeastern U.S.), Dane County WI, Fort Lauderdale FL, Gallatin County MT, Greensboro NC, Madison GA, Philadelphia PA, San Bernadino CA, San Francisco CA, Shenandoah Valley, South Florida, Southern Appalachia, Southwest Region, Tallahassee FL, Tillamook County OR, Tennessee Valley Authority, Tijuana River Watershed, Upper Susquehanna/ Lackawanna River Watershed Further information:  Further information http://www.gils.net

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