Sciweavers

512 search results - page 47 / 103
» The Role of Information Retrieval in Answering Complex Quest...
Sort
View
IRI
2005
IEEE
14 years 1 months ago
Towards administration of a hybrid role hierarchy
Role-Based Access Control (RBAC) models have emerged as a leading access control approach for today’s information systems. Hybrid role hierarchies introduced in the Generalized ...
Suroop Mohan Chandran, James B. D. Joshi
JOC
2007
93views more  JOC 2007»
13 years 7 months ago
Robust Information-Theoretic Private Information Retrieval
A Private Information Retrieval (PIR) protocol allows a user to retrieve a data item of its choice from a database, such that the servers storing the database do not gain informat...
Amos Beimel, Yoav Stahl
CIKM
2010
Springer
13 years 6 months ago
Computing the top-k maximal answers in a join of ranked lists
Complex search tasks that utilize information from several data sources, are answered by integrating the results of distinct basic search queries. In such integration, each basic ...
Mirit Shalem, Yaron Kanza
GI
2007
Springer
14 years 2 months ago
EgoIR: Ontology-based Information Retrieval Intended for eGovernment
: The eGovernment is a field of applications for the Semantic Web. The eGovernment also is becoming an important research area and faces considerable challenges to achieve interope...
Fernando Ortiz-Rodríguez, Raúl Palma...
MIS
2001
Springer
81views Multimedia» more  MIS 2001»
14 years 12 days ago
Multimedia Reporting: Building Multimedia Presentations with Query Answers
A multimedia report is a multimedia presentation which integrates data returned by one or more queries to a multimedia database, thus extending the concept of report familiar in tr...
Augusto Celentano, Ombretta Gaggi