Abstract. Can a system designed primarily for the purpose of databasetype storage and retrieval be used for information-retrieval tasks? This was one of the questions that led us t...
We introduce an auditing framework for determining whether a database system is adhering to its data disclosure policies. Users formulate audit expressions to specify the (sensiti...
Rakesh Agrawal, Roberto J. Bayardo Jr., Christos F...
Tree based indexing structures like -trees, ·-trees, Bitmap indexes and Ê-trees have become essential for getting good performance when accessing vast datasets. However, most dat...
Yannis Kotidis, Yannis Sismanis, Nick Roussopoulos
This article is motivated by the importance of building web data mashups. Building on the remarkable success of Web 2.0 mashups, and specially Yahoo Pipes, we generalize the idea ...
Abstract. As it is well-known, querying and managing structured data in natural language is a challenging task due to its ambiguity (syntactic and semantic) and its expressiveness....