Spam and the Ongoing Battle For the Inbox
Even as spammers and phishers try evermore sophisticated techniques to get past filters and into users' mailboxes, anti-spam researchers have managed to stay several steps ahead, so far.
Gordon V. Cormack
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Data compression on a database system
A general-purpose data-compression routine—implemented on the IMS database system—makes use of context to achieve better compression than Huffman's method applied character by character. It demonstrates that a wide variety of data can be compressed effectively using a single, fixed compression routine with almost no working storage.
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