1. Managing Complexity: Interface Design Approaches for Facets on the Web - Larry Lempert April 15, 2008

2. American Kennel Club breeds by group:  Sporting (Retriever, Setter, Spaniel …)  Hound (Beagle, Basset Hound, Greyhound …)  Working (Boxer, Doberman Pinscher, Saint Bernard …)  Terrier  Toy  Non-sporting  Herding

3. Facets of Dogs Care (feeding, grooming, health …) Breeds Training Roles (pets, seeing-eye, bomb-sniffing …) Dogs on TV (Lassie, Rin Tin Tin … )

4. Advantages | Disadvantages Facets can …  Allow combinations of concepts  Present a variety of perspectives  Align information with how users think, what users need  Confuse, overwhelm users  Lead to nowhere (null sets)

5. Key Issues  Paradigms for use of facets in navigation and searching  Role of full-text searching  Options for displaying facets  Multiple picks

6. Paradigms for Facets on the Web  Browse  Drill-down via integrated browse/search  Advanced search with up-front mix and match

7. Options for Displaying Facets  At what point are facets introduced? up front, after entry point, through search  How much to show at once? all facets, some facets, some focuses  How to enable selection? links, dropdowns, checkboxes, radio buttons

8. LLempert@bna.com 703-341-3205