ICDE
2007
IEEE
13 years 11 months ago
2007
IEEE
The problem of trajectory similarity in moving object databases is a relatively new topic in the spatial and spatiotemporal database literature. Existing work focuses on the spati...
ER
2009
Springer
13 years 11 months ago
2009
Springer
Abstract. The UML-based Specification Environment (USE) tool supports the syntactic analysis, type checking, consistency checking, and dynamic validation of invariants and pre-/pos...
EDBT
2009
ACM
13 years 11 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
13 years 11 months ago
2009
ACM
EDBT
2009
ACM
13 years 11 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
13 years 11 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
13 years 11 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
13 years 11 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
13 years 11 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...
EDBT
2009
ACM
13 years 11 months ago
2009
ACM
Given a set of n query points in a general metric space, a metricspace skyline (MSS) query asks what are the closest points to all these query points in the database. Here, consid...