EDBT
2009
ACM
14 years 2 months ago
2009
ACM
Client/server information systems use caching techniques to reduce the volume of transmitted data as well as response time and, especially in the case of systems with mobile clien...
EDBT
2009
ACM
14 years 2 months ago
2009
ACM
With the amount of data in current data warehouse databases growing steadily, random sampling is continuously gaining in importance. In particular, interactive analyses of large d...
EDBT
2009
ACM
14 years 2 months ago
2009
ACM
In emerging applications such as location-based services, sensor monitoring and biological management systems, the values of the database items are naturally imprecise. For these ...
EDBT
2009
ACM
14 years 3 months ago
2009
ACM
In a database system, disclosure of confidential private data may occur if users can put together the answers of past queries. Traditional access control mechanisms cannot guard a...
EDBT
2009
ACM
14 years 3 months ago
2009
ACM
EDBT
2009
ACM
14 years 3 months ago
2009
ACM
Given a set P of products, a set O of customers, and a product p P, a bichromatic reverse skyline query retrieves all the customers in O that do not find any other product in P t...
EDBT
2009
ACM
14 years 3 months ago
2009
ACM
The classic Generalized Sequential Patterns (GSP) algorithm returns all frequent sequences present in a database. However, usually a few ones are interesting from a user's po...
EDBT
2009
ACM
14 years 3 months ago
2009
ACM
Activity and user engagement in social media such as web logs, wikis, online forums or social networks has been increasing at unprecedented rates. In relation to social behavior i...
EDBT
2009
ACM
14 years 3 months ago
2009
ACM
Schema mappings define relationships between schemas in a declarative way. We demonstrate MVT, a mapping validation tool that allows the designer to ask whether the mapping has ce...
EDBT
2009
ACM
14 years 3 months ago
2009
ACM
While there is an increasing need to share data that may contain personal information, such data sharing must preserve individual privacy without disclosing any identifiable infor...