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186
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POPL
2009
ACM
15 years 10 months ago
2009
ACM
Mitchell's notion of representation independence is a particularly useful application of Reynolds' relational parametricity -- two different implementations of an abstra...
STACS
2007
Springer
15 years 4 months ago
2007
Springer
We consider the problem of maintaining aggregates over recent elements of a massive data stream. Motivated by applications involving network data, we consider asynchronous data str...
110
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PODC
2003
ACM
15 years 3 months ago
2003
ACM
Traitor Tracing Schemes constitute a very useful tool against piracy in the context of digital content broadcast. In such multi-recipient encryption schemes, each decryption key is...
106
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HICSS
1999
IEEE
15 years 2 months ago
1999
IEEE
In this paper, we motivate the importance of the field of mobile computing and survey current practical and formal approaches. We argue that the existing formalisms are not suffic...
CIKM
2008
Springer
14 years 12 months ago
2008
Springer
Personalization has been deemed one of the major challenges in information retrieval with a significant potential for providing better search experience to individual users. Espec...