# Presentation: 695819

## ED Web Metadata

- Shelia Hamblin
- Webmaster
- U.S. Department of Education
- Shelia.Hamblin@ed.gov          202-245-6475

## Metadata Scheme & Elements

- Developed in 2000-2001 for new information architecture for www.ed.gov and 100+ ED-funded sites
- Dublin Core with ED-specific extensions
- ED Programs, Activities & Initiatives
- ED Office
- Content Owner
- Content Date
- Archive/Update Date/Action
- Records Management
- Sensitivity/Privacy
- Predates dc.audience

## Constructing the Vocabularies

- Analyzed user search terms
- Consulted existing authorities (ERIC, other)
- Mapped terms
- Constructed thesaurus
- Z39.19 structure
- non-preferred terms, definitions
- Vetted with ED offices
- Retired unused terms to streamline lists after 1st year
- Ongoing disambiguation, extension

## Authorities Consulted

- Search.ed.gov User Query Terms
- ERIC Thesaurus, Identifier Authority List, Target Audiences, Publication Types
- ED Web Information Architecture & Topics A-Z
- ED Pubs On-Line Ordering System
- Education Resource Organizations Directory (EROD)
- Guide to US Department of Education Programs
- ED Internet Customer Survey categories
- OERI: Website Topical Index, Web Policy Group -- Proposed Research Focus Topics, & Publication Plan Database
- NCES: CCD National Public School Locator, College Opportunities On-Line, Digest of Education Statistics, Encyclopedia of ED Stats, and Staff Directory
- A Pilot Standard National Course Classification System for Secondary Education
- AskERIC Topic List
- Reading Pathfinder
- Ted Brandhorst Correspondence with Jim Clemmens re Lab Products
- ED Principal Office suggestions & review

- Eisenhower Math/Science Clearinghouse
- Gateway to Educational Materials (GEM)
- National Center for the Dissemination of Disability Research (NCDDR)
- National Rehabilitation Information Center (NARIC)
- National Institute for Literacy (NIFL)—Adult Literacy Thesaurus & Literacy Information aNd Communication System (LINCS)
- Think College Early Database of Early College Awareness
- Directory of Resources for Foreign Language Programs
- Draft IEEE Standard for Learning Object Metadata
- Dublin Core Metadata Initiative
- Education Network Australia (EdNA)
- International Standard Classification of Education (ISCED) UNESCO Thesaurus
- State of Victoria, Australia -- Dept of Education, Employment, and Training
- Alexandria Digital Library Object Type Thesaurus
- California Environmental Resources Evaluation System (CERES)
- Yahoo and Dmoz Education Subject Directories

## Mapping Terms

**                **_**User Vocabulary**_
- average class size        reducing class size
- class size                     small class size
- class reduction             smaller class size
- class size reduction      smaller classrooms
- classroom size             student teacher ratio
- overcrowding

**     **_**Controlled Vocabularies**_
- ERIC:         Class Size
-                    Small Classes
- NCES:        Pupil-Teacher Ratio
-                    Class Size (elem/sec)
- EROD:        Teacher Student Ratios
- ED Pubs:    Class Size
- Topics A-Z: Class Size Reduction

_**ED Web Terms**_
- Class Size
- miniature Classes

## Term Assignment to Resources

- How metadata is assigned at ED
- By non-expert content providers with review by non-expert editors
- Tools
- Content management
- workflow & metadata form
- Metadata reference
- http://www.ed.gov/admin/reference/index.jsp
- Oracle & Term Use queries

## Metadata Form

## ED Metadata Fields

**Identifier**
**Title**
- Publication ID
- Sort Order
- Creater/Author
- Contributor
**Description**
**Subject**
**ED Program/Activity /Initiative**
- Level of Education
**End User**
- Mediator

**Resource Type **
**Format**
**Language**
**Content Date**
**ED Principal Office**
- Publisher
**Content Owner Email**
- Next Archive/Update Date
- Next Archive/Update Action
- Status
- Rights Management
- Sensitivity/Privacy
**Verify Entries**

## Metadata Uses at ED

- Information architecture (Oracle)
- Audience/Topic drill-down
- View all resources (facets)
- Programs
- Search engine
- Embedded meta tags to improve relevance/precision
- Date sort
- Synonyms
- “see also” suggestions in search results
- Content management
- Owner, office, archive/update actions/reminders
- Personalization (discontinued)
- XML export
- Alignment with other ED systems: AskED, EROD, GTEP, EDPubs

## Audience/Topic Drilldown

## Programs

## Metadata Program Example

## Metadata Reference

## Trends & Surprises

- Distribution/concentration of
-    term assignments
- Low- and no-occurrence terms
- Content provider weaknesses
- Misassignment of terms due to ignorance of scope notes, definitions, and term hierarchy
- E.g., Other Notices, Individuals, Department Heads
- Weak comprehension of elements beyond subject
- audience, resource type, level

## For More Information

- ED Web Metadata Reference
- http://www.ed.gov/admin/reference/index.jsp
- Element, Vocabulary & Format Definitions
- http://www.ed.gov/internal/EDWebMetadata/index.html
- Contacts
- Keith Stubbs – keith.stubbs@ed.gov
- Shelia Hamblin – shelia.hamblin@ed.gov