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JISBD
2000
13 years 10 months ago
Databases and Natural Language Interfaces
A Natural Language Interface for Databases allows users of multimedia kiosks to formulate natural language questions. User questions are first translated into a logic language and ...
Porfírio P. Filipe, Nuno J. Mamede
NETWORK
2008
233views more  NETWORK 2008»
13 years 8 months ago
WhozThat? evolving an ecosystem for context-aware mobile social networks
One of the most compelling social questions, which until now was left unanswered by current technology, is "Who's that?" This question is usually asked about a new ...
Aaron Beach, Mike Gartrell, Sirisha Akkala, Jack E...
WWW
2007
ACM
14 years 9 months ago
Designing efficient sampling techniques to detect webpage updates
Due to resource constraints, Web archiving systems and search engines usually have difficulties keeping the entire local repository synchronized with the Web. We advance the state...
Qingzhao Tan, Ziming Zhuang, Prasenjit Mitra, C. L...
ER
2004
Springer
97views Database» more  ER 2004»
14 years 2 months ago
On the Updatability of XML Views Published over Relational Data
Updates over virtual XML views that wrap the relational data have not been well supported by current XML data management systems. This paper studies the problem of the existence of...
Ling Wang, Elke A. Rundensteiner
CCS
2007
ACM
14 years 1 months ago
Efficient policy analysis for administrative role based access control
Administrative RBAC (ARBAC) policies specify how Role-Based Access Control (RBAC) policies may be changed by each administrator. It is often difficult to fully understand the effe...
Scott D. Stoller, Ping Yang, C. R. Ramakrishnan, M...