510 research outputs found
Artificial evolution for the detection of group identities in complex artificial societies
This paper aims at detecting the presence of group
structures in complex artificial societies by solely observing
and analysing the interactions occurring among the artificial
agents. Our approach combines: (1) an unsupervised method
for clustering interactions into two possible classes, namely ingroup
and out-group, (2) reinforcement learning for deriving
the existing levels of collaboration within the society, and (3)
an evolutionary algorithm for the detection of group structures
and the assignment of group identities to the agents. Under a
case study of static societies — i.e. the agents do not evolve
their social preferences — where agents interact with each other
by means of the Ultimatum Game, our approach proves to be
successful for small-sized social networks independently on the
underlying social structure of the society; promising results are
also registered for mid-size societies.This work has been supported, in part, by the FP7 ICT
project SIREN (project no: 258453).peer-reviewe
Global distributed evolution of L-systems fractals
Internet based parallel genetic programming (GP) creates
fractal patterns like Koch’s snow flake.
Pfeiffer, http://www.cs.ucl.ac.uk/staff/W.Langdon/pfeiffer.html,
by analogy with seed/embryo development, uses Lindenmayer grammars
and LOGO style turtle graphics written in Javascript and Perl. 298 novel
pictures were produced. Images are placed in animated snow globes (computerised
snowstorms) by www web browsers anywhere on the planet.
We discuss artificial life (Alife) evolving autonomous agents and virtual
creatures in higher dimensions from a free format representation in the
context of neutral networks, gene duplication and the evolution of higher
order genetic operators
A Case for Investigating the Ethics of Artificial Life?
A major stream of Artificial Life (ALife) research aims to build synthetic life forms, operating in virtual worlds, implemented as computer programs. A clear long-term target for this research is the evolution of digital life-forms with a complexity of structure and behaviour analogous to biological life-forms, potentially exhibiting intelligence and self-awareness. The creation of intelligent, self-aware digital life-forms has clear ethical implications, but there is no current research into how these ethical issues might be addressed. This paper argues that such ethical research is needed. Furthermore, it describes our future research plans to build a solid philosophical foundation for the consideration of these ethical issues
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Structurally Embedded Electrical Systems Using Ultrasonic Consolidation (UC)
Current research has demonstrated the use of Ultrasonic Consolidation (UC) to embed
several USB-based sensors into aluminum, and is working toward embedding suites of
sensors, heaters and other devices, connected via USB hubs, which can be monitored and
controlled using an embedded USB capable processor. Additionally, the research has
shown that electronics can be embedded at room temperature, but with some inter-layer
delamination between the ultrasonically bonded aluminum layers. Embedding sensors
and electronics at 300o
F to overcome the delamination issues resulted in optimal
bonding, and the sensors used thus far have functioned normally. Future investigation
will explore other UC parameter combinations to ascertain the quality of embedding at
lower temperatures.Mechanical Engineerin
Past Visions of Artificial Futures: One Hundred and Fifty Years under the Spectre of Evolving Machines
The influence of Artificial Intelligence (AI) and Artificial Life (ALife)
technologies upon society, and their potential to fundamentally shape the
future evolution of humankind, are topics very much at the forefront of current
scientific, governmental and public debate. While these might seem like very
modern concerns, they have a long history that is often disregarded in
contemporary discourse. Insofar as current debates do acknowledge the history
of these ideas, they rarely look back further than the origin of the modern
digital computer age in the 1940s-50s. In this paper we explore the earlier
history of these concepts. We focus in particular on the idea of
self-reproducing and evolving machines, and potential implications for our own
species. We show that discussion of these topics arose in the 1860s, within a
decade of the publication of Darwin's The Origin of Species, and attracted
increasing interest from scientists, novelists and the general public in the
early 1900s. After introducing the relevant work from this period, we
categorise the various visions presented by these authors of the future
implications of evolving machines for humanity. We suggest that current debates
on the co-evolution of society and technology can be enriched by a proper
appreciation of the long history of the ideas involved.Comment: To appear in Proceedings of the Artificial Life Conference 2018
(ALIFE 2018), MIT Pres
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