2. The machine-readable medium of claim 1 , a term score for a term depending, at least in part, on a number of uni-grams in the term and a number of sentences in which the term appears.
2. The machine-readable medium of claim 1 , a term score for a term depending, at least in part, on a number of uni-grams in the term and a number of sentences in which the term appears. 3. The machine-readable medium of claim 2 , a sentence score depending, at least in part, on a length of a sentence measured in uni-grams and a position of a sentence in a paragraph in the document.