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CAISE
2004
Springer
16 years 7 days ago
2004
Springer
Abstract. Information systems are vulnerable to accidental or malicious attacks. Security models for commercial computer systems exist, but information systems security is often ig...
181
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ICTIR
2009
Springer
15 years 4 months ago
2009
Springer
Abstract. A useful ability for search engines is to be able to rank objects with novelty and diversity: the top k documents retrieved should cover possible interpretations of a que...