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GIS
2006
ACM
15 years 11 months ago
ST-ACTS: a spatio-temporal activity simulator
Creating complex spatio?temporal simulation models is a hot issue in the area of spatio?temporal databases [7]. While existing Moving Object Simulators (MOSs) address different ph...
Gyözö Gidófalvi, Torben Bach Pede...
WWW
2009
ACM
15 years 10 months ago
Bid optimization for broad match ad auctions
Ad auctions in sponsored search support"broad match"that allows an advertiser to target a large number of queries while bidding only on a limited number. While giving mo...
Eyal Even-Dar, Vahab S. Mirrokni, S. Muthukrishnan...
WWW
2008
ACM
15 years 10 months ago
Online auctions efficiency: a survey of ebay auctions
Online auctions have become a pervasive transaction mechanism for e-commerce. As the largest online marketplace in the world, eBay is an attractive case study that enables the stu...
Wenyan Hu, Alvaro Bolivar
CHI
2005
ACM
15 years 10 months ago
Work coordination, workflow, and workarounds in a medical context
In this paper we report an ethnographic study of workarounds--informal temporary practices for handling exceptions to normal workflow--in a hospital environment. Workarounds are a...
Marina Kobayashi, Susan R. Fussell, Yan Xiao, F. J...
CHI
2010
ACM
15 years 4 months ago
Perceptions and practices of usability in the free/open source software (FoSS) community
CT This paper presents results from a study examining perceptions and practices of usability in the free/open source software (FOSS) community. 27 individuals associated with 11 di...
Michael Terry, Matthew Kay, Ben Lafreniere