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WIKIS
2009
ACM
16 years 1 months ago
Organizing the vision for web 2.0: a study of the evolution of the concept in Wikipedia
Information Systems (IS) innovations are often characterized by buzzwords, reflecting organizing visions that structure and express the images and ideas formed by a wide community...
Arnaud Gorgeon, E. Burton Swanson
FOCS
2007
IEEE
16 years 28 days ago
On the Hardness and Smoothed Complexity of Quasi-Concave Minimization
In this paper, we resolve the smoothed and approximative complexity of low-rank quasi-concave minimization, providing both upper and lower bounds. As an upper bound, we provide th...
Jonathan A. Kelner, Evdokia Nikolova
ATAL
2007
Springer
16 years 23 days ago
A globally optimal algorithm for TTD-MDPs
In this paper, we discuss the use of Targeted Trajectory Distribution Markov Decision Processes (TTD-MDPs)—a variant of MDPs in which the goal is to realize a specified distrib...
Sooraj Bhat, David L. Roberts, Mark J. Nelson, Cha...
ATAL
2007
Springer
16 years 23 days ago
Reasoning about judgment and preference aggregation
Agents that must reach agreements with other agents need to reason about how their preferences, judgments, and beliefs might be aggregated with those of others by the social choic...
Thomas Ågotnes, Wiebe van der Hoek, Michael ...
CIKM
2007
Springer
16 years 23 days ago
Predictive user click models based on click-through history
Web search engines consistently collect information about users interaction with the system: they record the query they issued, the URL of presented and selected documents along w...
Benjamin Piwowarski, Hugo Zaragoza