Introduction to the Special section: Extended best papers from IJCNLP 2005

I am very happy to introduce Issue 9.1 of SIGecom Exchanges. All the contributions in this issue concern markets of various kinds. In "The Pathologies of Online Display Advertising Marketplaces," Edelman discusses various challenges faced by ...

Communications networks continue to play an increasingly important role in global military operations. Among allied forces, improved network centric capabilities have been met with enthusiastic support as they are rolled out into the field. However, as ...

Single image matting, the task of estimating accurate foreground opacity from a given image, is a severely ill-posed and challenging problem. Inspired by recent advances in image co-segmentation, in this paper, we present a novel framework for a new ...