A fundamental problem in data management is to draw a sample of a large data set, for approximate query answering, selectivity estimation, and query planning. With large, streamin...
Graham Cormode, S. Muthukrishnan, Ke Yi, Qin Zhang
In this paper, we propose a virtual file system, “SPDFS,” which provides global declarations in source programs as virtual files to programmers. Global declarations means ob...
A relevant consequence of the unceasing expansion of the Web and e-commerce is the growth of the demand of new Web sites and Web applications. The software industry is facing the ...
Giuseppe A. Di Lucca, Massimiliano Di Penta, Anna ...
The objectives of the research project described in this paper are (1) to develop reliable and valid measures for the components of online store image, and (2) to examine the infl...
The Steiner tree problem is one of the most fundamental ÆÈ-hard problems: given a weighted undirected graph and a subset of terminal nodes, find a minimum weight tree spanning ...
Jaroslaw Byrka, Fabrizio Grandoni, Thomas Rothvoss...