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» A new approach to dynamic self-tuning of database buffers
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CCS
2007
ACM
14 years 5 months ago
A data outsourcing architecture combining cryptography and access control
Data outsourcing is becoming today a successful solution that allows users and organizations to exploit external servers for the distribution of resources. Some of the most challe...
Sabrina De Capitani di Vimercati, Sara Foresti, Su...
SSD
2007
Springer
124views Database» more  SSD 2007»
14 years 5 months ago
Querying Objects Modeled by Arbitrary Probability Distributions
In many modern applications such as biometric identification systems, sensor networks, medical imaging, geology, and multimedia databases, the data objects are not described exact...
Christian Böhm, Peter Kunath, Alexey Pryakhin...
EDBT
1998
ACM
155views Database» more  EDBT 1998»
14 years 3 months ago
Improving the Query Performance of High-Dimensional Index Structures by Bulk-Load Operations
Abstract. In this paper, we propose a new bulk-loading technique for high-dimensional indexes which represent an important component of multimedia database systems. Since it is ver...
Stefan Berchtold, Christian Böhm, Hans-Peter ...
EDBT
2009
ACM
113views Database» more  EDBT 2009»
14 years 5 months ago
Query ranking in probabilistic XML data
Twig queries have been extensively studied as a major fragment of XPATH queries to query XML data. In this paper, we study PXMLRANK query, (Q, k), which is to rank top-k probabili...
Lijun Chang, Jeffrey Xu Yu, Lu Qin
ELPUB
2003
ACM
14 years 4 months ago
Ontology Driven Websites/Metamorphosis: A Framework to Specify and Manage Ontology Driven Websites
Website development has always been an hard task: it consumes time and resources. What is new today is normally taken as granted tomorrow by users. This is to say that users always...
José Carlos Ramalho, Giovani Rubert Librelo...