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Lecture Notes in Computer Science
Since long, computer science has distinguished between information retrieval and data retrieval, where information retrieval entails the problem of ranking textual documents on their content (with the goal to identify documents relevant for satisfying a user's information need) while data retrieval involves exact match, that is, checking a data collection for presence or absence of (precisely specified) items. But, now that XML has become a standard document model that allows structure and textdoi:10.1007/978-3-540-45194-5_12 fatcat:qtjesgap3zh3dbivuzrzbgn4ee