1. A method of enhancing the relevance of search results to a particular user's interest in one or more documents, the method comprising: monitoring at least one access of said one or more documents by the user; collecting data associated with said at least one access of said one or more documents, wherein said collected data includes at least one of an amount of time the user spends on the document, a number of times the user has viewed the document, and whether the user printed the document; and based on the collected data, determining a level of interest in the document.