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We present a combination of analytical and experimental results that shed some light into the…
Query optimization for relational database systems is a combinatorial optimization problem, which…
We investigate the role of commutativity in query processing of linear recursion. We give a…
In the majority of research work done on logic programming and deductive databases, it is assumed…
As the size and complexity of processing and manufacturing systems increases, the need for…
We describe the design and implementation of BERMUDA, which is a system interfacing Prolog to the…
We have developed some efficient algorithms for computing the transitive closure of a directed…
Consider a function-free and constant free Horn clause [Gall 78]... (cannot display further due…
Query optimizers of future database management systems are likely to face large access plan…
Query processing in the presence of recursively defined views usually involves some form of…
Recursion in the database context has traditionally been studied under the formalism of 1-st…
A virtual relation (or view) can be defined with a recursive statement that is a function of one…
This paper proposes extensions to a relational database system to support the selection and…
Lots of Earth Observation data has become available at no charge in Europe and the US recently…
Lots of Earth Observation data has become available at no charge in Europe and the US recently…
In the last few years, thanks to projects like TELEIOS, the linked open data cloud has been rapidly…
In this paper, we discuss the key elements of a semantic dance-move representation model based on…
Processing complex dataflow tasks (graphs) on the cloud is a critical requirement for many…
In the era of Big Data, datasets are growing at a much higher rate than the processing power of a…
We propose a comprehensive information processing, knowledge discovery and simulation platform for…
An increasing number of Web applications such as friends recommendation depend on the ability to…
Complex Event Processing (CEP) systems process large streams of data trying to detect events of…
Mobile devices, such as smartphones allow us to use computationally expensive algorithms and…
Supporting real-time, cost-effective execution of Complex Event processing applications in the…
Authors of scientific publications and books use images to present a wide spectrum of information.…