The search for new simplified interaction techniques is mainly motivated by the improvements of the communication with interactive devices. In this paper, we present an interactiv...
Mohamed-Ikbel Boulabiar, Thomas Burger, Franck Poi...
We examine a version of the Cops and Robber (CR) game in which the robber is invisible, i.e., the cops do not know his location until they capture him. Apparently this game (CiR) h...
In evaluating the performance of online algorithms for search trees, one wants to compare them to the best offline algorithm available. In this paper we lower bound the cost of an...
Web search engines crawl the web to fetch the data that they index. In this paper we re-examine that need, and evaluate the network costs associated with data acquisition, and alt...
Nick Craswell, Francis Crimmins, David Hawking, Al...
This paper explores search behavior of online shoppers. Information economics literature suggests that search cost in electronic markets has essentially been reduced to zero as co...