1386 search results - page 272 / 278 » Challenges to information systems: time to change |
WWW
2009
ACM
14 years 9 months ago
2009
ACM
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...
WWW
2007
ACM
14 years 9 months ago
2007
ACM
Current web search engines focus on searching only the most recent snapshot of the web. In some cases, however, it would be desirable to search over collections that include many ...
MOBIHOC
2007
ACM
14 years 8 months ago
2007
ACM
The non-existence of an end-to-end path poses a challenge in adapting the traditional routing algorithms to delay tolerant networks (DTNs). Previous works include centralized rout...
PPOPP
2010
ACM
14 years 3 months ago
2010
ACM
This paper presents an analytical model to predict the performance of general-purpose applications on a GPU architecture. The model is designed to provide performance information ...
SAC
2010
ACM
14 years 3 months ago
2010
ACM
Target tracking is an important issue in wireless sensor network applications. In this paper, we design a Coverage-Hole Trap Model (CTM) based on a system that contains one moving...