1. A computer system for searching databases and displaying search results, comprising: a network-based connection to one or more databases storing information regarding publications, said information comprising author, title, date of publication, cited references, and citing references data; a server in communication with and operable to transmit data to a Web browser resident on a user's computer, and a processor including programming to implement a search; said programming including XQuery statements that return citation values associated with said reference with at least one XQuery statement written as an estimated XPath step; said server is programmed to provide a citation overview details regarding reference citations resulting from a search request; said citation overview page transmitted to said user's browser, comprising: (a) a list of one or more titles of publications, and (b) two or more displayed numerals, each of said displayed numerals representing how many publications in one of a plurality of specified publication years cite to each of said publications.
1. A computer system for searching databases and displaying search results, comprising: a network-based connection to one or more databases storing information regarding publications, said information comprising author, title, date of publication, cited references, and citing references data; a server in communication with and operable to transmit data to a Web browser resident on a user's computer, and a processor including programming to implement a search; said programming including XQuery statements that return citation values associated with said reference with at least one XQuery statement written as an estimated XPath step; said server is programmed to provide a citation overview details regarding reference citations resulting from a search request; said citation overview page transmitted to said user's browser, comprising: (a) a list of one or more titles of publications, and (b) two or more displayed numerals, each of said displayed numerals representing how many publications in one of a plurality of specified publication years cite to each of said publications. 4. A computer system as in claim 1 , wherein at least one of said one or more databases is an XML-based database.