6. The process of claim 1 , wherein the different candidate text span generation methods comprise either: a plurality of different linguistic unit detector methods; or a plurality of different heuristic methods; or a combination of one or more different linguistic unit detector methods and one or more different heuristic methods.
8. The process of claim 6 , wherein the location pointer identifies a word that the user selected in the document, and the different linguistic unit detector methods comprise one or more different named entity recognizer methods each of which identifies a candidate text span comprising a named entity that subsumes said identified word.