240 search results - page 20 / 48 » Improving cooperation in peer-to-peer systems using social n... |
TMC
2012
11 years 10 months ago
2012
Abstract—We consider the problem of relay-assisted transmission for cellular networks. In the considered system, a source node together with n relay nodes are selected in a propo...
GROUP
2007
ACM
13 years 11 months ago
2007
ACM
We describe the design and evaluation of K-net, a social matching system to help people learn 'who knows what' in an organization by matching people with skills with tho...
SIGECOM
2004
ACM
14 years 28 days ago
2004
ACM
Lack of cooperation (free riding) is one of the key problems that confronts today’s P2P systems. What makes this problem particularly difficult is the unique set of challenges ...
JCDL
2009
ACM
14 years 2 months ago
2009
ACM
Journals, letters, and other writings are of great value to historians and those who research their own family history; however, it can be difficult to find writings by specific...
KDD
2009
ACM
14 years 8 months ago
2009
ACM
Email is one of the most prevalent communication tools today, and solving the email overload problem is pressingly urgent. A good way to alleviate email overload is to automatical...