140 search results - page 28 / 28 » Finding hierarchy in directed online social networks |
WIKIS
2009
ACM
13 years 11 months ago
2009
ACM
Peer production systems rely on users to self-select appropriate tasks and “scratch their personal itch”. However, many such systems require significant maintenance work, whic...
W4A
2005
ACM
13 years 10 months ago
2005
ACM
Awareness of Web accessibility is spreading all over the world among Web designers and developers, due to regulations such as the US law called Section 508 and guidelines like the...
ICDE
2009
IEEE
14 years 1 days ago
2009
IEEE
— Large graphs and networks are abundant in modern information systems: entity-relationship graphs over relational data or Web-extracted entities, biological networks, social onl...
SIGIR
2012
ACM
11 years 7 months ago
2012
ACM
Finding topic experts on microblogging sites with millions of users, such as Twitter, is a hard and challenging problem. In this paper, we propose and investigate a new methodolog...
NSPW
2006
ACM
13 years 11 months ago
2006
ACM
Virtually every Internet user on the planet uses the powerful free tools offered by a handful of information service providers in many aspects of their personal and professional l...