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Harold the Herald: An Automated Heraldic Conflict Checking System by David P. Salley

Harold the Herald: An Automated Heraldic Conflict Checking System by David P. Salley. Problem Statement. The Society for Creative Anachronism (SCA) is a non-profit educational organization whose members study and re-create aspects of the Middle Ages.

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Harold the Herald: An Automated Heraldic Conflict Checking System by David P. Salley

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  1. Harold the Herald: An Automated Heraldic Conflict Checking Systemby David P. Salley

  2. Problem Statement • The Society for Creative Anachronism (SCA) is a non-profit educational organization whose members study and re-create aspects of the Middle Ages. • The Society maintains a registry of its members heraldic devices (popularly referred to as “coats of arms”)

  3. Problem Statement (cont’d) • The Society adds over 500 devices to its registry each year, more than England’s College of Arms registered in the last century • Prior to the late 1990’s this registration was done strictly manually. Online text checking has improved the situation, but not by much

  4. The Honorable Lord Dagonell Collingwood of Emerald Lake “Barry wavy vert and argent, a unicorn’s head couped sable, armed, orbed and crined and a chief wavy Or.”

  5. Gules = Red Sable = Black Vert = Green Purpure = Purple Azure = Blue Or = Yellow Argent = White Heraldic Tinctures

  6. Field Divisions

  7. Lines of Partition

  8. Ordinaries & Sub-ordinaries

  9. Charge Positions

  10. Charge Positions (cont’d)

  11. The Honorable Lord Dagonell Collingwood of Emerald Lake “Barry wavy vert and argent, a unicorn’s head couped sable, armed, orbed and crined and a chief wavy Or.”

  12. Backus-Naur Grammar • 1. <blazon> : : <field> <charge-list> • 2. <field> : : <division> <background> AND <background> | <background> • 3. <division> : : <field-division> [<partition>] | <line-division> [<partition>] • 4. <field-division> : : BARRY | CHECKY | VAIRY | etc. • 5. <line-division> : : PER BEND | PER FESS | PER PALE | etc. • 6. <partition> : : DOVETAILED | EMBATTLED | POTENTY | etc. • 7. <background> : : <tincture> | <color> <treatment> <metal> | <metal><treatment> <color> • 8. <tincture> : : <color> | <metal> | <fur> • 9. <color> : : AZURE | GULES | PURPURE | VERT | SABLE • 10. <metal> : : ARGENT | OR • 11. <fur> : : ERMINE | VAIR | PEAN | etc. • 12. <treatment> : : FRETTY | MAILLY | MASONED | etc. • 13. <charge-list> : : <charge> <charge-list> | (empty) • 14. <charge> : : [<location>] <number> <type> [<position>] [<tincture-a>] • 15. <location> : : IN DEXTER | IN SINISTER | etc. • 16. <number> : : A | AN | ONE | TWO | THREE | etc. • 17. <type> : : BEND | TIGER | MULLET | EAGLE | DRAGON | etc. • 18. <position> : : BENDWISE | RAMPANT | DISPLAYED | etc. • 19. <tincture-a> : : PROPER | COUNTER-CHANGED | <tincture>

  13. Field ATN

  14. Charge-list ATN

  15. Conflict Checking

  16. Division – Barry Partition – Wavy FieldT1 – Vert FieldT2 – Argent 1st Point of Difference Division – Quarterly Partition – none FieldT1 – Vert FieldT2 – Argent Conflict Checking - Fields

  17. Type1 – Uni. Head Not Enough Difference Type1 – Horse Head Conflict Checking – Chargelist

  18. Location1 – Center Number1 – One Type1 – Uni. Head Position1 – Couped Tincture1 – Sable Not Enough Difference Location1 – Center Number1 – One Type1 – Horse Head Position1 – Couped Tincture1 - Sable Conflict Checking - Charge

  19. Conflict Checking

  20. Division – Barry Partition – Wavy FieldT1 – Vert FieldT2 – Argent 1st Point of Difference Division – Quarterly Partition – none FieldT1 – Vert FieldT2 – Argent Conflict Checking - Fields

  21. Type1 – Uni. Head Type2 – Chief 2nd Point of Difference Type1 – Horse Head Conflict Checking - Chargelist

  22. Program Demonstration • The SCA Database • The Submission Rules • The Authority Files • The March Letter of Intent • My Capstone Paper • My Conference Paper

  23. Possible Applications for Similar Technology • SCA College of Arms • England’s College of Arms • Corporate Logos • Clowns International • CSI – Tattoo Database

  24. NBC vs. Nebraska Network

  25. Clowns International

  26. Clowns International

  27. Clowns International

  28. Clowns International

  29. CSI: Tattoo Database

  30. Bedgood, Alan, ed. (1995). The Known World Handbook (Milpitas, CA: Society for Creative Anachronism) Christiansen, Thomas and Schwartz, Randal L.(1997). Learning Perl ( O’Reilly and Associates). Fox-Davies, A.C. 1997. A Complete Guide to Heraldry. London, England: Gramercy Books Parker, James. A Glossary of Terms Used in British Heraldry, London, England: Tuttle Publishing Rich, Elaine and Knight, Kevin (1991). Artificial Intelligence, (New York:McGraw-Hill). Russell, Stuart and Norvig, Peter. 1995. Artificial Intelligence: A Modern Approach Englewood Cliffs, NJ: Prentice-Hall Bibliography

  31. Questions and Two Final Anecdotes

  32. Thank You!

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