10. The system of claim 9 , wherein: the determination of the measure of proximity to said common object is based on a determination of a predefined measure of physical proximity of the subset of said text to the common object, in laid out representations of the text documents, in renderings of the text documents for presentation.
10. The system of claim 9 , wherein: the determination of the measure of proximity to said common object is based on a determination of a predefined measure of physical proximity of the subset of said text to the common object, in laid out representations of the text documents, in renderings of the text documents for presentation. 12. The system of claim 10 , wherein: the determination of the measure of proximity to said common object is based on a determination that the subset of said text to said common object is physically far away from said common object in the laid out representations, based on a predefined threshold value of physical distance, wherein the subset of said text is determined as a negative example, if the subset of said text is determined to be physically far away from said common object.