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Abstract

We initiate the study of on-line metric embeddings. In such an embedding we are given a sequence of n points X = x 1,...,x n one by one, from a metric space M = (X,D). Our goal is to compute a low-distortion embedding of M into some host space, which has to be constructed in an on-line fashion, so that the image of each x i depends only on x 1,...,x i . We prove several results translating existing embeddings to the on-line setting, for the case of embedding into ℓ p spaces, and into distributions over ultrametrics.

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Indyk, P., Magen, A., Sidiropoulos, A., Zouzias, A. (2010). Online Embeddings. In: Serna, M., Shaltiel, R., Jansen, K., Rolim, J. (eds) Approximation, Randomization, and Combinatorial Optimization. Algorithms and Techniques. RANDOM APPROX 2010 2010. Lecture Notes in Computer Science, vol 6302. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-15369-3_19

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  • DOI: https://doi.org/10.1007/978-3-642-15369-3_19

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-15368-6

  • Online ISBN: 978-3-642-15369-3

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