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In this paper we discuss two basic geometric techniques that can be used to speed up certain types of dynamic programs. We first present the algorithms in a general form, and then we show how these techniques can be applied to the economic lot-sizing problem and extensions. Furthermore, it is illustrated that the geometric techniques can be used to give(More)
We present ArtVis, an application combining advanced visualisation techniques and tangible interaction to explore a large digital collection of almost 28 000 European artworks managed by the Web Gallery of Art. In order to get new insights by exploring, analysing and browsing the artworks, our graphical ArtVis user interface offers three complementary but(More)
We present ArtVis, an advanced user interface combining state-of-the-art visualisation techniques and tangible interaction to explore the Web Gallery of Art digital artwork collection consisting of almost 28 000 European artworks. The graphical ArtVis interface contains three separate visualisation panels that allow users to temporally, semantically and(More)
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