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WWW
2006
ACM
16 years 7 months ago
Visualizing tags over time
We consider the problem of visualizing the evolution of tags within the Flickr (flickr.com) online image sharing community. Any user of the Flickr service may append a tag to any ...
Micah Dubinko, Ravi Kumar, Joseph Magnani, Jasmine...
IRI
2008
IEEE
16 years 25 days ago
Towards an integrated modeling and simulation framework for freight transportation in metropolitan areas
Freight transportation at distribution nodes such as marine ports, airports and rail yards has been putting tremendous environmental pressure in metropolitan areas. A prerequisite...
Qunzhi Zhou, Amol Bakshi, Viktor K. Prasanna, Rama...
ITCC
2005
IEEE
16 years 4 hour ago
CompChall: Addressing Password Guessing Attacks
Even though passwords are the most convenient means of authentication, they bring along themselves the threat of dictionary attacks. Dictionary attacks may be of two kinds: online...
Vipul Goyal, Virendra Kumar, Mayank Singh, Ajith A...
ECIR
2011
Springer
14 years 10 months ago
Balancing Exploration and Exploitation in Learning to Rank Online
Abstract. As retrieval systems become more complex, learning to rank approaches are being developed to automatically tune their parameters. Using online learning to rank approaches...
Katja Hofmann, Shimon Whiteson, Maarten de Rijke
SIGIR
2012
ACM
13 years 8 months ago
Cognos: crowdsourcing search for topic experts in microblogs
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...
Saptarshi Ghosh, Naveen Kumar Sharma, Fabrí...