Application-level content-based routing using XML is a key technology for decentralized publish/subscribe systems. In this paper, a new approach is proposed to support the efficien...
—Recently, many new applications, such as sensor data monitoring and mobile device tracking, raise up the issue of uncertain data management. Compared to “certain” data, the ...
Abstract. We study the problem of generating a database and parameters for a given parameterized SQL query satisfying a given test condition. We introduce a formal background theor...
Margus Veanes, Pavel Grigorenko, Peli de Halleux, ...
We study XML stream-specific schema-based optimization. We assume a widely-adopted automata-based execution model for XQuery evaluation. Criteria are established regarding what s...
We consider a digital library distributed in a tightly coupled environment. The library is indexed by inverted files and the vector space model is used as ranking strategy. Using ...