A successful library has to know what is in its collection. We are all aware that our catalogs are not always accurate. As we add and delete items from collections, mistakes are made and discrepancies occur. Compound those mistakes over years and soon the catalog is unreliable. Librarians know they should do inventory, but too many libraries don't bother – it is just too daunting. An inventory of a library's collection that reveals exactly what is on the shelves is the best way to ensure a clean, accurate database. Further, being able to complete an inventory on a regular basis maintains that database's integrity. Chattanooga Public Library had moved locations, automated, changed integrated library systems but had never done an inventory.

NODE+barcode, a wireless scanner capable of storing barcodes and Bluetooth compatible, was implemented. NODE is manufactured by Variable, Inc., a local startup. The scanner uses SQL script to identify items not touched by inventory and employs dependable wireless and Bluetooth capability. A laptop with ILS (with inventory component) was installed.

After using NODE, Catalog is accurate, possibly for the first time ever. Lost items on patron records and claimed items have been found. Patron records were cleared and item status corrected. When a patron is sent to a collection agency, we are confident that the items are not at the library. The new technique improved retrieval of daily hold requests and misshelved items were located. The Library can provide better service to patrons due to database accuracy. 8. Technology will be adapted for completing quarterly city inventory for non-book items such as tables, desks etc. We were also able to identify items on the shelves whose records were not in the system.