Sciweavers

1974 search results - page 21 / 395
» Online learning in online auctions
Sort
View
WWW
2009
ACM
14 years 8 months ago
Analyzing seller practices in a Brazilian marketplace
E-commerce is growing at an exponential rate. In the last decade, there has been an explosion of online commercial activity enabled by World Wide Web (WWW). These days, many consu...
Adriano M. Pereira, Diego Duarte, Paulo Góe...
ICALT
2008
IEEE
14 years 1 months ago
CyberLab: An Online Virtual Laboratory Toolkit for Non-Programmers
Online virtual laboratory is important for online science education. CyberLab is a toolkit for online virtual experiments. It is able to handle the creation, exportation, and exec...
Kang Zhao, Matthew P. Evett
WWW
2007
ACM
14 years 8 months ago
Parallel crawling for online social networks
Given a huge online social network, how do we retrieve information from it through crawling? Even better, how do we improve the crawling performance by using parallel crawlers tha...
Duen Horng Chau, Shashank Pandit, Samuel Wang, Chr...
ETS
2000
IEEE
90views Hardware» more  ETS 2000»
13 years 7 months ago
Role of Contracts in Enhancing Community Building in Web Courses
Project-based work via telecommunications requires the instructor and the students to take explicit steps to create an on-line community that is focused on high quality learning a...
Karen L. Murphy, Sue E. Mahoney, Tina J. Harvell
AAAI
2007
13 years 9 months ago
Automated Online Mechanism Design and Prophet Inequalities
Recent work on online auctions for digital goods has explored the role of optimal stopping theory — particularly secretary problems — in the design of approximately optimal on...
Mohammad Taghi Hajiaghayi, Robert D. Kleinberg, Tu...