Metadata Antique Furniture for Sale in an Online Auction

1. MetadataAntique Furniture for Sale in an Online Auction Jenny Olivera, Christine Sibley & Terri Sanne

2. Requirements Analysis • Articles & Antique Books: many articles about consumer price behavior • Evidence of the effect of trust building technology in electronic markets; price premiums and buyer behavior • Three paths to disposition: The movement of meaningful possessions to strangers • Art & Architecture Thesaurus • Online auctions: User experience insights from eBay • Schroeder’s antique price guide (21st ed.) • Kovels antiques & collectibles: Price list 2001.(33rd ed.) • American antique furniture 1640-1840 • From thesaurus to ontology • Schroeder’s antiques price guide • Major furniture period or style. Antique Furniture Guide. • The Antiques Book

3. Requirements Analysis • Interview: Kären Betaque, antique furniture searcher • Construction quality • Maintenance history • Special features (that make the item rare) • Websites: auction houses, online auctions • Christies, Sotheby’s, eBay • Existing Metadata: • AAT, Dublin Core

4. Metadata

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6. Metadata

7. Metadata

8. Controlled Vocabulary - Style

9. Controlled Vocabulary - Culture

10. Controlled Vocabulary - Materials

11. Controlled Vocabulary – Furniture Type

12. Controlled Vocabulary – Status & Age

13. Data Entry for Antique Furniture(Furniture Type)

14. Data Entry for Antique Furniture(Age)

15. Data Entry for Antique Furniture(Culture)

16. Data Entry for Antique Furniture(Style)

17. Data Entry for Antique Furniture(Material)

18. Data Entry for Antique Furniture(Status)

19. Database Records

20. Database Records

21. Database Records

22. Database Records

23. Group Discussion • Deciding whether a field required controlled vocabulary or natural language • Debating unambiguous terms (origin or region vs. culture) • Determining how to handle dimensions for multiple pieces of furniture • Discussing how to handle age of an item or what era it was from

24. Group Discussion • Debating what to do with items for which some of the attributes are not known (such as style, culture, etc.) • Determining how to handle multiple items as one item (addressed by adding set as a furniture type) • Discussing what our interviewee told us and decided to add special features and maintenance history • Discussing what we learned from the articles and decided to add dealer ranking

25. Questions & Comments