54 research outputs found
Quantum metalanguage and the new cognitive synthesis
Problems with mechanisms of thinking and cognition in many ways remain unresolved. Why are a priori inferences possible? Why can a human understand but a computer cannot? It has been shown that when creating new concepts, generalization is contradictory in the sense that to be created concepts must exist a priori, and therefore, they are not new. The process of knowledge acquisition is also contradictory, as it inevitably involves recognition, which can be realized only when there is an a priori standard. Known approaches of the framework of artificial intelligence (in particular, Bayesian) do not determine the origins of knowledge, as these approaches are effective only when “good” hypotheses are made. The formation of “good” hypotheses must occur a priori. To address these issues and paradoxes, a fundamentally new approach to problems of cognition that is based on completely innate behavioral programs is proposed. The process of cognition within the framework of the concept of a quantum metalanguage involves the selection of adequate a priori existing (innate) programs (logical variables and rules for working with them) that are most adequate to a given situation. The quantum properties of this metalanguage are necessary to implement such programs. © 2019, Anka Publishers. All rights reserved
Self-Modification of Policy and Utility Function in Rational Agents
Any agent that is part of the environment it interacts with and has versatile
actuators (such as arms and fingers), will in principle have the ability to
self-modify -- for example by changing its own source code. As we continue to
create more and more intelligent agents, chances increase that they will learn
about this ability. The question is: will they want to use it? For example,
highly intelligent systems may find ways to change their goals to something
more easily achievable, thereby `escaping' the control of their designers. In
an important paper, Omohundro (2008) argued that goal preservation is a
fundamental drive of any intelligent system, since a goal is more likely to be
achieved if future versions of the agent strive towards the same goal. In this
paper, we formalise this argument in general reinforcement learning, and
explore situations where it fails. Our conclusion is that the self-modification
possibility is harmless if and only if the value function of the agent
anticipates the consequences of self-modifications and use the current utility
function when evaluating the future.Comment: Artificial General Intelligence (AGI) 201
Efficiency Theory: a Unifying Theory for Information, Computation and Intelligence
The paper serves as the first contribution towards the development of the
theory of efficiency: a unifying framework for the currently disjoint theories
of information, complexity, communication and computation. Realizing the
defining nature of the brute force approach in the fundamental concepts in all
of the above mentioned fields, the paper suggests using efficiency or
improvement over the brute force algorithm as a common unifying factor
necessary for the creation of a unified theory of information manipulation. By
defining such diverse terms as randomness, knowledge, intelligence and
computability in terms of a common denominator we are able to bring together
contributions from Shannon, Levin, Kolmogorov, Solomonoff, Chaitin, Yao and
many others under a common umbrella of the efficiency theory
The errors, insights and lessons of famous AI predictions – and what they mean for the future
Assessment of personal care and medical robots from older adults' perspective
Demographic reports indicate that population of older adults is growing significantly over the world and in particular in developed nations. Consequently, there are a noticeable number of demands for certain services such as health-care systems and assistive medical robots and devices. In today's world, different types of robots play substantial roles specifically in medical sector to facilitate human life, especially older adults. Assistive medical robots and devices are created in various designs to fulfill specific needs of older adults. Though medical robots are utilized widely by senior citizens, it is dramatic to find out into what extent assistive robots satisfy their needs and expectations. This paper reviews various assessments of assistive medical robots from older adults' perspectives with the purpose of identifying senior citizen's needs, expectations, and preferences. On the other hand, these kinds of assessments inform robot designers, developers, and programmers to come up with robots fulfilling elderly's needs while improving their life quality
Evaluation in artificial intelligence: From task-oriented to ability-oriented measurement
The final publication is available at Springer via http://dx.doi.org/ 10.1007/s10462-016-9505-7.The evaluation of artificial intelligence systems and components is crucial for the
progress of the discipline. In this paper we describe and critically assess the different ways
AI systems are evaluated, and the role of components and techniques in these systems. We
first focus on the traditional task-oriented evaluation approach. We identify three kinds of
evaluation: human discrimination, problem benchmarks and peer confrontation. We describe
some of the limitations of the many evaluation schemes and competitions in these three categories,
and follow the progression of some of these tests. We then focus on a less customary
(and challenging) ability-oriented evaluation approach, where a system is characterised by
its (cognitive) abilities, rather than by the tasks it is designed to solve. We discuss several
possibilities: the adaptation of cognitive tests used for humans and animals, the development
of tests derived from algorithmic information theory or more integrated approaches under
the perspective of universal psychometrics. We analyse some evaluation tests from AI that
are better positioned for an ability-oriented evaluation and discuss how their problems and
limitations can possibly be addressed with some of the tools and ideas that appear within
the paper. Finally, we enumerate a series of lessons learnt and generic guidelines to be used
when an AI evaluation scheme is under consideration.I thank the organisers of the AEPIA Summer School On Artificial Intelligence, held in September 2014, for giving me the opportunity to give a lecture on 'AI Evaluation'. This paper was born out of and evolved through that lecture. The information about many benchmarks and competitions discussed in this paper have been contrasted with information from and discussions with many people: M. Bedia, A. Cangelosi, C. Dimitrakakis, I. GarcIa-Varea, Katja Hofmann, W. Langdon, E. Messina, S. Mueller, M. Siebers and C. Soares. Figure 4 is courtesy of F. Martinez-Plumed. Finally, I thank the anonymous reviewers, whose comments have helped to significantly improve the balance and coverage of the paper. This work has been partially supported by the EU (FEDER) and the Spanish MINECO under Grants TIN 2013-45732-C4-1-P, TIN 2015-69175-C4-1-R and by Generalitat Valenciana PROMETEOII2015/013.José Hernández-Orallo (2016). 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