1. A method for tracking an asset, the method comprising: obtaining a geographical boundary; receiving fix data comprising uncertainty parameters defining an area of uncertainty; determining an over-inclusive area of uncertainty based on at least one of the uncertainty parameters; and determining a relationship between the geographical boundary and the area of uncertainty based on the over-inclusive area of uncertainty, wherein the relationship comprises one of possible relationships comprising (a) a relationship in which the area of uncertainty is completely inside the geographical boundary; (b) a relationship in which the area of uncertainty is completely outside the geographical boundary; and (c) an indeterminate relationship; and reporting an event based on a change from a previous determined relationship.