Algorithmic Learning Theory: 21st International Conference, by Marcus Hutter, Frank Stephan, Vladimir Vovk, Thomas Zeugmann

By Marcus Hutter, Frank Stephan, Vladimir Vovk, Thomas Zeugmann

This quantity includes the papers offered on the twenty first foreign Conf- ence on Algorithmic studying concept (ALT 2010), which was once held in Canberra, Australia, October 6–8, 2010. The convention used to be co-located with the thirteenth - ternational convention on Discovery technology (DS 2010) and with the desktop studying summer time university, which used to be held in advance of ALT 2010. The tech- cal application of ALT 2010, contained 26 papers chosen from forty four submissions and ?ve invited talks. The invited talks have been offered in joint classes of either meetings. ALT 2010 used to be devoted to the theoretical foundations of desktop studying and came about at the campus of the Australian nationwide collage, Canberra, Australia. ALT offers a discussion board for top quality talks with a robust theore- cal historical past and scienti?c interchange in parts comparable to inductive inference, common prediction, instructing versions, grammatical inference, formal languages, inductive good judgment programming, question studying, complexity of studying, online studying and relative loss bounds, semi-supervised and unsupervised studying, clustering,activelearning,statisticallearning,supportvectormachines,Vapnik- Chervonenkisdimension,probablyapproximatelycorrectlearning,Bayesianand causal networks, boosting and bagging, information-based tools, minimal descriptionlength,Kolmogorovcomplexity,kernels,graphlearning,decisiontree equipment, Markov determination strategies, reinforcement studying, and real-world - plications of algorithmic studying idea. DS 2010 used to be the thirteenth overseas convention on Discovery technological know-how and all for the advance and research of equipment for clever info an- ysis, wisdom discovery and computing device studying, in addition to their program to scienti?c wisdom discovery. As is the culture, it was once co-located and held in parallel with Algorithmic studying Theory.

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5 and p = 15. We define, for a given s ∈ G, LISBF,s as the loss obtained using the ISBF method with threshold value s, and F LF,s = arg min L(β˜s,t ) t∈G the oracle for the Fused-LASSO with s fixed. We define in the same way LS,s for the S-LASSO. Figure 1 gives a plot of LISBF,s , LF,s and LS,s as a function of s. Fig. 1. The quantities LISBF,s (thick line), LF,s (thin line) and LS,s (dotted line) as a function of s. The horizontal axis gives i ∈ {0, . . , 20}, the vertical axis is the value of the risk LISBF,s , LF,s and LS,s with s = s(i) as defined in Equation 3.

Si Abstract. This paper reviews experiments with an approach to discovery through robot’s experimentation in its environment. In addition to discovering laws that enable predictions, we are particularly interested in the mechanisms that enable the discovery of abstract concepts that are not explicitly observable in the measured data, such as the notions of a tool or stability. The approach is based on the use of Inductive Logic Programming. Examples of actually discovered abstract concepts in the experiments include the concepts of a movable object, an obstacle and a tool.

These estimators can be approximated in practice even for large p: for example the Pathwise Coordinate Optimization algorithm [8] can be used for the S-LASSO, and is used for the Fused-LASSO in [8] when X = In (from now Ik will denote the indentity matrix of size k). The Fused-LASSO can be approximated in the general case using for example the algorithms in [11] and [20]. However, note that no general theoretical results were provided in order to estimate a sparse blockwise β. Hebiri [9] provides good guarantees for the S-LASSO under the sparsity assumption but does not take any advantage of the smooth aspect of β, if any.

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