The purpose of this paper is to discuss the role of variability in human movement, with emphasis on locomotion variability. Based on the assessment of stride characteristics, movement variability has been associated with reduced gait stability and unsteadiness. However, based on the measure of joint coordination during locomotion, variability has been suggested to provide a source of adaptation...

This collection of papers is selected from those presented at from selected best papers at the International Conference on High Performance Computing and Communications HPCC-09 [1] and the International Conference on Information Security and Assurance ISA-09 [2] conferences, Seoul, Korea, June 25-27, 2009. The papers [3,4,5,6,7,8,9] were all enhanced over the conference versions and separately ...

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SUMMER 2015 85 The aim of the Angry Birds AI competition (AIBIRDS) is to build intelligent agents that can play novel Angry Birds levels better than the best human players. The competition was initiated in 2012 by the authors of this report and is held in collocation with some of the major AI conferences such as the International Joint Conference on Artificial Intelligence in 2013 and again in ...

There is a significant need to objectively evaluate layout analysis (page segmentation and region classification) methods. This paper describes the Page Segmentation Competition (modus operandi, dataset and evaluation criteria) held in the context of ICDAR2003 and presents the results of the evaluation of the candidate methods. The main objective of the competition was to evaluate such methods ...

In previous papers we have presented our autonomous poker playing agent (SARTRE) that uses a memory-based approach to create a betting strategy for two-player, limit Texas Hold’em. SARTRE participated in the 2009 IJCAI Computer Poker Competition where the system was thoroughly evaluated by challenging a range of other computerised opponents. Since the competition SARTRE has undergone case-based...

1995 Robot Competition and Exhibition, held in conjunction with the Fourteenth International Joint Conference on Artificial Intelligence, was the culmination of a three-month design and implementation period for an indoor navigation system for topological maps. This article describes the major components of the robot’s navigation architecture. It also summarizes the experiences and lessons lear...

Note: This paper will appear in the proceedings of the 10th international conference on rewriting techniques and applications (RTA'99). c Springer Verlag.

The Angry Birds AI Competition has been held annually since 2012 in conjunction with some of the major AI conferences, most recently with IJCAI 2015. The goal of the competition is to build AI agents that can play new Angry Birds levels as good as or better than the best human players. Successful agents should be able to quickly analyze new levels and to predict physical consequences of possibl...

This is an investigation in the tradition of Fujita et al (IJCAI 1993), Zhang et al (JSC 1996), Dubois and Dequen (CP 2001) in which CP or SAT techniques are used to answer existence questions concerning small algebras. In this paper, we open the attack on IP loops, an interesting and underinvestigated variety intermediate between loops and groups.