Systems and methods that create a classification of sentences in a language, and further construct associated local versions of language models, based on geographical location and/or other demographic criteria—wherein such local language models can be of different levels of granularity according to...http://www.google.de/patents/US20070255552?utm_source=gb-gplus-sharePatent US20070255552 - DEMOGRAPHIC BASED CLASSIFICATION FOR LOCAL WORD WHEELING/WEB SEARCH