27336 search results - page 5143 / 5468 » Changing the subject: on the subject of subjectivity |
173
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CCS
2010
ACM
15 years 7 months ago
2010
ACM
In this work we present a characterization of spam on Twitter. We find that 8% of 25 million URLs posted to the site point to phishing, malware, and scams listed on popular blackl...
206
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CCS
2010
ACM
15 years 7 months ago
2010
ACM
The ability to locate random relays is a key challenge for peer-to-peer (P2P) anonymous communication systems. Earlier attempts like Salsa and AP3 used distributed hash table look...
196
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RECSYS
2010
ACM
15 years 7 months ago
2010
ACM
Social network analysis has attracted increasing attention in recent years. In many social networks, besides friendship links amongst users, the phenomenon of users associating th...
211
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RECSYS
2010
ACM
15 years 7 months ago
2010
ACM
Recommendation systems suggest items based on user preferences. Collaborative filtering is a popular approach in which recommending is based on the rating history of the system. O...
198
click to vote
CCS
2010
ACM
15 years 7 months ago
2010
ACM
Online social networks (OSNs) are popular collaboration and communication tools for millions of users and their friends. Unfortunately, in the wrong hands, they are also effective...