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211
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CSCW
2002
ACM
15 years 6 months ago
2002
ACM
We examined records of minute-by-minute computer activity coupled with information about the location of the activity, online calendar appointments, and e-mail activity. We presen...
146
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APPML
2007
15 years 6 months ago
2007
We consider the computation of the Iwasawa decomposition of a symplectic matrix via the QR factorization. The algorithms presented improve on the method recently decribed in [8]. K...
184
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KDD
2009
ACM
16 years 6 months ago
2009
ACM
Online forums represent one type of social media that is particularly rich for studying human behavior in information seeking and diffusing. The way users join communities is a re...
154
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CCS
2001
ACM
15 years 10 months ago
2001
ACM
Encryption is widely used to enforce usage rules for digital content. In many scenarios content is encrypted using a group key which is known to a group of users that are allowed ...
167
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CN
2006
15 years 6 months ago
2006
Abstract. We present a scalable and flexible grouping service based on concast and best-effort single-source multicast. The service assigns participating end systems to specific gr...