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Premium member Presentation Transcript Web Metadata in State of Minnesota : Bridges: Minnesota’s Gateway to Environmental Resources Eileen Quam Information Architect Minnesota Dept. of Natural Resources eileen.quam@dnr.state.mn.us Web Metadata in State of Minnesota Today’s Topics: Today’s Topics Bridges = Minnesota’s Gateway to Environmental Information bridges.state.mn.us North Star Search = search site for State of Minnesota government web information search.state.mn.us also home of browsable categories: Ultraseek’s Content Classification Engine (CCE) Topics cont.: Topics cont. Metadata overview standards used on Bridges software used Thesauri / Controlled vocabulary overview uses Topics cont.: Topics cont. Content Classification Engine (CCE) topic hierarchy design rules development metadata leveraging Best Practices for Web Metadata packet of information endorsementLibrarians are the masters of the universe; they control information.: Librarians are the masters of the universe; they control information. Don’t ever piss one off. — Spike MulliganFoundations Project Bridges Search Site http://bridges.state.mn.us: Bridges = search interface to Minnesota environmental information 13 agencies spidered - Environmental Quality Board agencies 22,000+ documents Environment & Ecology CCE topic hierarchy on this site Foundations Project Bridges Search Site http://bridges.state.mn.usNorth Star Search http://search.state.mn.us: Ultraseek (now Inktomi) is the State of Minnesota’s search engine 250+ web sites spidered Over 250,000 documents Customizable search interface available to agencies North Star Search http://search.state.mn.us"Doing research on the Web is like using a library assembled piecemeal by pack rats and vandalized nightly.": "Doing research on the Web is like using a library assembled piecemeal by pack rats and vandalized nightly." — Roger EbertMetadata: MetadataMetadata Overview: What is Metadata? Structured data about data … bleah Originally coined in the 1960s MARC is metadata ... Dublin Core Metadata One application of metadata; others include TEI, GIS, GILS 15 basic elements including title, creator, description, subject/keyword Embedded in head portion of HTML; travels with document Metadata OverviewD.C. Metadata Elements: D.C. Metadata Elements Title Creator/Author Contributors Subject/Keywords Description Publisher Dates: creation; last modified Identifier Resource type Format Relation Source Language Coverage RightsDC Metadata Example: DC Metadata Example <HTML> <HEAD> <TITLE>Foundations Project summary</TITLE> <!-- Start Dublin Core - Do Not Modify Tags in This Block --> <meta name="DC.Title" content="Foundations Project summary"> <meta name="DC.Subject" scheme="AACR2" content="Foundations Project (Minn.)"> <meta name="DC.Subject" scheme="LIV-MN" content="Environmental education"> <LINK REL=SCHEMA.DC HREF="http://www.bridges.state.mn.us/servlet/lexico"> <meta name="DC.Description" content="Summary information about the State of Minnesota's Foundations Project, including focus, purpose, design and intended results."> <meta name="DC.Creator.PersonalName" scheme="AACR2" content="Quam, Eileen"> <meta name="DC.Publisher.CorporateName" scheme="AACR2" content="Minnesota. Dept. of Natural Resources"> <meta name="DC.Date.Creation" scheme="ISO 8601" content="1999-10-15"> et cetera ... What Does Metadata Do?: Even the Inktomi/Ultraseek search engine needs help Better descriptions Relevance ranking Consistent terminology Content Classification Engine Subject term as rule DC.Subject: “soil pollution” Crosses agency lines in locating term User doesn’t need to know controlled term What Does Metadata Do?Metadata on Bridges: Standards used Metadata – Dublin Core Controlled vocabulary/subjects – LIV-MN Name authority – AACR2/LC Geographic areas – AACR2/LC Dates – ISO 8601 Language – ISO 639-1 More … punctuation and capitalization What about XML? Metadata on BridgesMetadata on Bridges cont.: Software used Search engine – Ultraseek Browsable categories – Ultraseek’s Content Classification Engine Thesaurus – Lexico Metatag generation – TagGen More … FTP software, HTML editors Metadata on Bridges cont.Metadata on Bridges cont.: Granularity 22,000 pages on Bridges Metadata added to about top 50% Usability Studies Search interface Metadata/Controlled vocabulary Article in Spring issue of GIQ Who adds it Trained staff Web masters and page creators Metadata on Bridges cont.Metadata Training: Librarians separated from web techs Monthly classes about to end but have DNR support Mentoring available Maintenance and refresher classes Metadata TrainingTagGen Metatag Generator : TagGen Metatag Generator Simplifies addition of Dublin Core metadata Embeds tags directly into <head> portion of html doc Handles PDF files, or any others XML capabilitiesThesauri / Controlled vocabulary: Thesauri / Controlled vocabularyThesaurus – Controlled Vocabulary: Thesaurus – Controlled Vocabulary Thesaurus List of terms, cross-references, and scope notes Hierarchical nature Controlled vocabulary Unambiguous language No synonyms or false hits Advantages of natural language covered by keyword searchingThesaurus cont.: Thesaurus cont. Cross-references Anticipates synonyms – “See” refs Related concepts – “See also” refs Broader, narrower, related terms Why do we need a thesaurus? Gateway for retrieving more detailed information Provides access to important concepts in the literature Highly requested Thesaurus Term - Example: Thesaurus Term - Example Mineral industries Scope note: Use for technical and economic works on mining, metallurgy, and minerals of economic value. For works dealing with mining, use Mining engineering. For descriptive and statistical works, use Mines and mineral resources. For works dealing with metallurgy, use Metallurgy. Used for Mines and mining Mining Narrow term Ceramic industries Broader term Industry Related term Mines and mineral resourcesLegislative Indexing Vocabulary: Legislative Indexing Vocabulary Thesaurus used for MN web docs Located at: http://bridges.state.mn.us/servlet/lexico Choose appropriate terms and place in Dublin Core subject element in TagGen Used for federal statutes Maintained by Library of Congress and Congressional Research Service Editable - incorporates e-mail notification to suggest termsRequests for Thesauri: Requests for Thesauri Geographic thesaurus LMIC experience lack of appropriate thesauri compatible with LIV-MN customizable large universe of information Image database thesaurus Dept. of Natural Resources compatible with LIV-MN customizable developing software for interactive useUltraseek’s Add-on: Content Classification Engine: Ultraseek’s Add-on: Content Classification EngineContent Classification Engine (CCE) http://search.state.mn.us: Yahoo-style directory Topic hierarchy Top-levels visible on North Star search Click on topic to see deeper levels Examples Arts and Humanities top-level topic Visual Arts subtopic Architecture subtopic Content Classification Engine (CCE) http://search.state.mn.usSearching and CCE : Search by keyword brings up relevant CCE topics e.g. “nonpoint source pollution” can use topics or look at results list Search by topic start from North Star search search by subtopic -- deeper levels of CCE Search within topic, by keyword default within CCE Searching and CCE Thesaurus and CCE: Thesaurus and CCE North Star & Bridges LIV-MN is authority CCE follows LIV-MN terminology, though less granular WA-GILS subject tree spawned ... State of IL subject tree These are similar to CCE topic layout CCE Hierarchy Development: CCE Hierarchy Development Off-line, front-end, pre-entry work Audience Organizational method Agency/departmental structure Thesaurus top terms Web folder structure / site index Similar sites’ topic structure CommunicationCCE Rule Development Summary: CCE Rule Development Summary Types of rules URLs Sites Dublin Core metadata Others Combination best suited to topic Blurb Scope notes Internal information Cross-referencesBest Practices for Web Metadata: Best Practices for Web MetadataBest Practices for Web Metadata: Best Practices for Web Metadata Introduction & Overview: Minnesota Metadata Guidelines Recommended Metadata Standards & Software Training Manual User Guide for Dublin Core Metadata Dublin Core Glossary TagGen Download Information TagGen Basic Instruction Guide Visual Help Sheets Bibliographies cont.Best Practices for Web Metadata (cont.): Best Practices for Web Metadata (cont.) Appendices Usability Studies Dublin Core Metadata and Controlled Vocabulary on Bridges Bridges User Interface Thesaurus Report Dublin Core Metadata Report GILS Report RDF ReportSummary: Summary Metadata, Dublin Core in particular, aids search engines in discovery of information. Use of controlled vocabulary important for specific yet encompassing search results. Metadata that incorporates controlled vocabulary is a powerful tool to access online electronic information. Ultraseek/Inktomi full-service search interface, including the CCE directory hierarchy, offers multiple ways of searching thanks to integration of search and browse capabilities.Thank You!!: Thank You!! Eileen Quam 651.297.2341 eileen.quam@dnr.state.mn.us You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.
Quam KSU Metadata Sophia Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINTLite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 58 Category: Entertainment License: All Rights Reserved Like it (0) Dislike it (0) Added: December 30, 2007 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... Premium member Presentation Transcript Web Metadata in State of Minnesota : Bridges: Minnesota’s Gateway to Environmental Resources Eileen Quam Information Architect Minnesota Dept. of Natural Resources eileen.quam@dnr.state.mn.us Web Metadata in State of Minnesota Today’s Topics: Today’s Topics Bridges = Minnesota’s Gateway to Environmental Information bridges.state.mn.us North Star Search = search site for State of Minnesota government web information search.state.mn.us also home of browsable categories: Ultraseek’s Content Classification Engine (CCE) Topics cont.: Topics cont. Metadata overview standards used on Bridges software used Thesauri / Controlled vocabulary overview uses Topics cont.: Topics cont. Content Classification Engine (CCE) topic hierarchy design rules development metadata leveraging Best Practices for Web Metadata packet of information endorsementLibrarians are the masters of the universe; they control information.: Librarians are the masters of the universe; they control information. Don’t ever piss one off. — Spike MulliganFoundations Project Bridges Search Site http://bridges.state.mn.us: Bridges = search interface to Minnesota environmental information 13 agencies spidered - Environmental Quality Board agencies 22,000+ documents Environment & Ecology CCE topic hierarchy on this site Foundations Project Bridges Search Site http://bridges.state.mn.usNorth Star Search http://search.state.mn.us: Ultraseek (now Inktomi) is the State of Minnesota’s search engine 250+ web sites spidered Over 250,000 documents Customizable search interface available to agencies North Star Search http://search.state.mn.us"Doing research on the Web is like using a library assembled piecemeal by pack rats and vandalized nightly.": "Doing research on the Web is like using a library assembled piecemeal by pack rats and vandalized nightly." — Roger EbertMetadata: MetadataMetadata Overview: What is Metadata? Structured data about data … bleah Originally coined in the 1960s MARC is metadata ... Dublin Core Metadata One application of metadata; others include TEI, GIS, GILS 15 basic elements including title, creator, description, subject/keyword Embedded in head portion of HTML; travels with document Metadata OverviewD.C. Metadata Elements: D.C. Metadata Elements Title Creator/Author Contributors Subject/Keywords Description Publisher Dates: creation; last modified Identifier Resource type Format Relation Source Language Coverage RightsDC Metadata Example: DC Metadata Example <HTML> <HEAD> <TITLE>Foundations Project summary</TITLE> <!-- Start Dublin Core - Do Not Modify Tags in This Block --> <meta name="DC.Title" content="Foundations Project summary"> <meta name="DC.Subject" scheme="AACR2" content="Foundations Project (Minn.)"> <meta name="DC.Subject" scheme="LIV-MN" content="Environmental education"> <LINK REL=SCHEMA.DC HREF="http://www.bridges.state.mn.us/servlet/lexico"> <meta name="DC.Description" content="Summary information about the State of Minnesota's Foundations Project, including focus, purpose, design and intended results."> <meta name="DC.Creator.PersonalName" scheme="AACR2" content="Quam, Eileen"> <meta name="DC.Publisher.CorporateName" scheme="AACR2" content="Minnesota. Dept. of Natural Resources"> <meta name="DC.Date.Creation" scheme="ISO 8601" content="1999-10-15"> et cetera ... What Does Metadata Do?: Even the Inktomi/Ultraseek search engine needs help Better descriptions Relevance ranking Consistent terminology Content Classification Engine Subject term as rule DC.Subject: “soil pollution” Crosses agency lines in locating term User doesn’t need to know controlled term What Does Metadata Do?Metadata on Bridges: Standards used Metadata – Dublin Core Controlled vocabulary/subjects – LIV-MN Name authority – AACR2/LC Geographic areas – AACR2/LC Dates – ISO 8601 Language – ISO 639-1 More … punctuation and capitalization What about XML? Metadata on BridgesMetadata on Bridges cont.: Software used Search engine – Ultraseek Browsable categories – Ultraseek’s Content Classification Engine Thesaurus – Lexico Metatag generation – TagGen More … FTP software, HTML editors Metadata on Bridges cont.Metadata on Bridges cont.: Granularity 22,000 pages on Bridges Metadata added to about top 50% Usability Studies Search interface Metadata/Controlled vocabulary Article in Spring issue of GIQ Who adds it Trained staff Web masters and page creators Metadata on Bridges cont.Metadata Training: Librarians separated from web techs Monthly classes about to end but have DNR support Mentoring available Maintenance and refresher classes Metadata TrainingTagGen Metatag Generator : TagGen Metatag Generator Simplifies addition of Dublin Core metadata Embeds tags directly into <head> portion of html doc Handles PDF files, or any others XML capabilitiesThesauri / Controlled vocabulary: Thesauri / Controlled vocabularyThesaurus – Controlled Vocabulary: Thesaurus – Controlled Vocabulary Thesaurus List of terms, cross-references, and scope notes Hierarchical nature Controlled vocabulary Unambiguous language No synonyms or false hits Advantages of natural language covered by keyword searchingThesaurus cont.: Thesaurus cont. Cross-references Anticipates synonyms – “See” refs Related concepts – “See also” refs Broader, narrower, related terms Why do we need a thesaurus? Gateway for retrieving more detailed information Provides access to important concepts in the literature Highly requested Thesaurus Term - Example: Thesaurus Term - Example Mineral industries Scope note: Use for technical and economic works on mining, metallurgy, and minerals of economic value. For works dealing with mining, use Mining engineering. For descriptive and statistical works, use Mines and mineral resources. For works dealing with metallurgy, use Metallurgy. Used for Mines and mining Mining Narrow term Ceramic industries Broader term Industry Related term Mines and mineral resourcesLegislative Indexing Vocabulary: Legislative Indexing Vocabulary Thesaurus used for MN web docs Located at: http://bridges.state.mn.us/servlet/lexico Choose appropriate terms and place in Dublin Core subject element in TagGen Used for federal statutes Maintained by Library of Congress and Congressional Research Service Editable - incorporates e-mail notification to suggest termsRequests for Thesauri: Requests for Thesauri Geographic thesaurus LMIC experience lack of appropriate thesauri compatible with LIV-MN customizable large universe of information Image database thesaurus Dept. of Natural Resources compatible with LIV-MN customizable developing software for interactive useUltraseek’s Add-on: Content Classification Engine: Ultraseek’s Add-on: Content Classification EngineContent Classification Engine (CCE) http://search.state.mn.us: Yahoo-style directory Topic hierarchy Top-levels visible on North Star search Click on topic to see deeper levels Examples Arts and Humanities top-level topic Visual Arts subtopic Architecture subtopic Content Classification Engine (CCE) http://search.state.mn.usSearching and CCE : Search by keyword brings up relevant CCE topics e.g. “nonpoint source pollution” can use topics or look at results list Search by topic start from North Star search search by subtopic -- deeper levels of CCE Search within topic, by keyword default within CCE Searching and CCE Thesaurus and CCE: Thesaurus and CCE North Star & Bridges LIV-MN is authority CCE follows LIV-MN terminology, though less granular WA-GILS subject tree spawned ... State of IL subject tree These are similar to CCE topic layout CCE Hierarchy Development: CCE Hierarchy Development Off-line, front-end, pre-entry work Audience Organizational method Agency/departmental structure Thesaurus top terms Web folder structure / site index Similar sites’ topic structure CommunicationCCE Rule Development Summary: CCE Rule Development Summary Types of rules URLs Sites Dublin Core metadata Others Combination best suited to topic Blurb Scope notes Internal information Cross-referencesBest Practices for Web Metadata: Best Practices for Web MetadataBest Practices for Web Metadata: Best Practices for Web Metadata Introduction & Overview: Minnesota Metadata Guidelines Recommended Metadata Standards & Software Training Manual User Guide for Dublin Core Metadata Dublin Core Glossary TagGen Download Information TagGen Basic Instruction Guide Visual Help Sheets Bibliographies cont.Best Practices for Web Metadata (cont.): Best Practices for Web Metadata (cont.) Appendices Usability Studies Dublin Core Metadata and Controlled Vocabulary on Bridges Bridges User Interface Thesaurus Report Dublin Core Metadata Report GILS Report RDF ReportSummary: Summary Metadata, Dublin Core in particular, aids search engines in discovery of information. Use of controlled vocabulary important for specific yet encompassing search results. Metadata that incorporates controlled vocabulary is a powerful tool to access online electronic information. Ultraseek/Inktomi full-service search interface, including the CCE directory hierarchy, offers multiple ways of searching thanks to integration of search and browse capabilities.Thank You!!: Thank You!! Eileen Quam 651.297.2341 eileen.quam@dnr.state.mn.us