Sciweavers

7681 search results - page 1391 / 1537
» Typed Membrane Systems
Sort
View
WWW
2008
ACM
16 years 4 months ago
Query-sets: using implicit feedback and query patterns to organize web documents
In this paper we present a new document representation model based on implicit user feedback obtained from search engine queries. The main objective of this model is to achieve be...
Barbara Poblete, Ricardo A. Baeza-Yates
WWW
2008
ACM
16 years 4 months ago
Collaborative knowledge semantic graph image search
In this paper, we propose a Collaborative Knowledge Semantic Graphs Image Search (CKSGIS) system. It provides a novel way to conduct image search by utilizing the collaborative na...
Jyh-Ren Shieh, Yang-Ting Yeh, Chih-Hung Lin, Ching...
WWW
2008
ACM
16 years 4 months ago
Secure or insure?: a game-theoretic analysis of information security games
Despite general awareness of the importance of keeping one's system secure, and widespread availability of consumer security technologies, actual investment in security remai...
Jens Grossklags, Nicolas Christin, John Chuang
WWW
2007
ACM
16 years 4 months ago
Dynamics of bid optimization in online advertisement auctions
We consider the problem of online keyword advertising auctions among multiple bidders with limited budgets, and study a natural bidding heuristic in which advertisers attempt to o...
Christian Borgs, Jennifer T. Chayes, Nicole Immorl...
WWW
2005
ACM
16 years 4 months ago
Opinion observer: analyzing and comparing opinions on the Web
The Web has become an excellent source for gathering consumer opinions. There are now numerous Web sites containing such opinions, e.g., customer reviews of products, forums, disc...
Bing Liu, Minqing Hu, Junsheng Cheng
« Prev « First page 1391 / 1537 Last » Next »