| 摘要 |
A system and method for Uniform Resource Locator (URL) filtering is disclosed. The method comprises receiving an event notification upon the occurrence of an event associated with a received URL; searching, in response to the event notification, a lexical search tree data structure storing a plurality of URLs for the received URL; and processing the received URL in response to the received URL not matching any of the plurality of URLs stored in the lexical search tree data structure.
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