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This paper describes two experiments carried out in order to investigate the role of visuals in multimodal answer presentations for a medical question answering system. First, a production experiment was carried out to determine which modalities people choose to answer different types of questions. In this experiment, participants had to create (multimodal) presentations of answers to general medical...
Let E be an elliptic curve over a field k, given in Weierstrass form. The addition law E × E → E can be described by a finite number of triples of bihomogeneous polynomials, each triple being valid on an open subset of E × E. In this paper we prove that the minimal number of triples that is needed equals two, and that this can only be achieved with polynomials of bidegree (2,2). Our approach leads...
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