11. A system comprising: a server for receiving a query and transmitting data to a web browser, wherein said data comprises citation information; a processor, coupled to said server, for obtaining citation information using at least one XQuery statement based on said query, wherein at least one of said at least one XQuery statement is written as an estimated XPath with needless XPath steps removed, said removal of needless XPath steps resulting in at least one predicate being unreliable along two dimensions; said processor being further for remapping said at least one unreliable predicate to achieve reliability; memory for storing at least one predicate index associated with said at least one XQuery statement, wherein said at least one predicate index is stored in said memory and is memory mapped; and said processor being further for resolving said query entirely out of indexes, said indexes including said at least one predicate index.
11. A system comprising: a server for receiving a query and transmitting data to a web browser, wherein said data comprises citation information; a processor, coupled to said server, for obtaining citation information using at least one XQuery statement based on said query, wherein at least one of said at least one XQuery statement is written as an estimated XPath with needless XPath steps removed, said removal of needless XPath steps resulting in at least one predicate being unreliable along two dimensions; said processor being further for remapping said at least one unreliable predicate to achieve reliability; memory for storing at least one predicate index associated with said at least one XQuery statement, wherein said at least one predicate index is stored in said memory and is memory mapped; and said processor being further for resolving said query entirely out of indexes, said indexes including said at least one predicate index. 12. The system of claim 11 , wherein said citation information comprises the number of times a publication was cited.