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» Associative information access using DualNAVI
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VLDB
2008
ACM
148views Database» more  VLDB 2008»
14 years 7 months ago
Purpose based access control for privacy protection in relational database systems
Abstract In this article, we present a comprehensive approach for privacy preserving access control based on the notion of purpose. In our model, purpose information associated wit...
Ji-Won Byun, Ninghui Li
VLDB
2007
ACM
111views Database» more  VLDB 2007»
14 years 1 months ago
Security in Outsourcing of Association Rule Mining
Outsourcing association rule mining to an outside service provider brings several important benefits to the data owner. These include (i) relief from the high mining cost, (ii) m...
Wai Kit Wong, David W. Cheung, Edward Hung, Ben Ka...
INFOCOM
2011
IEEE
12 years 11 months ago
A distributed and privacy preserving algorithm for identifying information hubs in social networks
—This paper addresses the problem of identifying the top-k information hubs in a social network. Identifying topk information hubs is crucial for many applications such as advert...
Muhammad Usman Ilyas, Muhammad Zubair Shafiq, Alex...
AWIC
2003
Springer
13 years 11 months ago
A Natural Language Interface for Information Retrieval on Semantic Web Documents
Abstract. We present a dialogue system that enables the access in natural language to a web information retrieval system. We use a Web Semantic Language to model the knowledge conv...
Paulo Quaresma, Irene Pimenta Rodrigues
DGO
2003
111views Education» more  DGO 2003»
13 years 8 months ago
Digital Citizenship: Parameters of the Digital Divide
As part of a National Science Foundation-funded study, we analyze data from a 2002 Midwest urban random sample survey (n = 167 adults) of differential access to and uses of comput...
Stuart W. Shulman, Mack C. Shelley, Lisa Thrane