1. Hand Held Based Data Collection Utility For Automobile Wholesale Market Research

2. Overview  Data Collection at used automobile auctions Login Select year, make, model Select body style, engine, options, Enter adds/deducts, mileage, auction price  Aggregation of data into central system at HQ Send data from handheld to central server via internal modem Handheld receives updated vehicles file

3. Login  Enter username & password  User is authenticated against the internal database

4. Data Entry 1  Selecting the year limits the available manufacturers in the Make list box  Selecting the Make limits the available models in the Model list box  The overwhelming size of the database required careful selection of the database engine (not Access) and careful database design

5. Data Entry 2  Only the available series, engine, & equipment for the particular year/make/model combination is shown  User selects the corresponding series, engine, & equipment

6. Data Entry 3  Only the available equipment and/or engine options are shown for the particular year/make/model combination  User selects the equipment/engine options  User selects the condition, mileage, price of the vehicle

7. Data Aggregation  Only the available equipment and/or engine options are shown for the particular year/make/model combination  User selects the equipment/engine options  User selects the condition, mileage, price of the vehicle

8. Data Aggregation  During this process, the handheld application also reports its current version of the vehicle database  If a newer version is available In the data server, then the newer version is downloaded into the handheld