7. The system of claim 1 , wherein the database contains pre-computed variants of the descriptive terms that characterize the content items and the mapping logic maps the incremental entries to the pre-computed variants.
7. The system of claim 1 , wherein the database contains pre-computed variants of the descriptive terms that characterize the content items and the mapping logic maps the incremental entries to the pre-computed variants. 8. The system of claim 7 , wherein the pre-computed variants are encoded according to the known layout of overloaded keys of the input device.