4,402 research outputs found
A Comprehensive Survey of Potential Game Approaches to Wireless Networks
Potential games form a class of non-cooperative games where unilateral
improvement dynamics are guaranteed to converge in many practical cases. The
potential game approach has been applied to a wide range of wireless network
problems, particularly to a variety of channel assignment problems. In this
paper, the properties of potential games are introduced, and games in wireless
networks that have been proven to be potential games are comprehensively
discussed.Comment: 44 pages, 6 figures, to appear in IEICE Transactions on
Communications, vol. E98-B, no. 9, Sept. 201
Learning theories reveal loss of pancreatic electrical connectivity in diabetes as an adaptive response
Cells of almost all solid tissues are connected with gap junctions which
permit the direct transfer of ions and small molecules, integral to regulating
coordinated function in the tissue. The pancreatic islets of Langerhans are
responsible for secreting the hormone insulin in response to glucose
stimulation. Gap junctions are the only electrical contacts between the
beta-cells in the tissue of these excitable islets. It is generally believed
that they are responsible for synchrony of the membrane voltage oscillations
among beta-cells, and thereby pulsatility of insulin secretion. Most attempts
to understand connectivity in islets are often interpreted, bottom-up, in terms
of measurements of gap junctional conductance. This does not, however explain
systematic changes, such as a diminished junctional conductance in type 2
diabetes. We attempt to address this deficit via the model presented here,
which is a learning theory of gap junctional adaptation derived with analogy to
neural systems. Here, gap junctions are modelled as bonds in a beta-cell
network, that are altered according to homeostatic rules of plasticity. Our
analysis reveals that it is nearly impossible to view gap junctions as
homogeneous across a tissue. A modified view that accommodates heterogeneity of
junction strengths in the islet can explain why, for example, a loss of gap
junction conductance in diabetes is necessary for an increase in plasma insulin
levels following hyperglycemia.Comment: 15 pages, 5 figures. To appear in PLoS One (2013
Game Theory Solutions in Sensor-Based Human Activity Recognition: A Review
The Human Activity Recognition (HAR) tasks automatically identify human
activities using the sensor data, which has numerous applications in
healthcare, sports, security, and human-computer interaction. Despite
significant advances in HAR, critical challenges still exist. Game theory has
emerged as a promising solution to address these challenges in machine learning
problems including HAR. However, there is a lack of research work on applying
game theory solutions to the HAR problems. This review paper explores the
potential of game theory as a solution for HAR tasks, and bridges the gap
between game theory and HAR research work by suggesting novel game-theoretic
approaches for HAR problems. The contributions of this work include exploring
how game theory can improve the accuracy and robustness of HAR models,
investigating how game-theoretic concepts can optimize recognition algorithms,
and discussing the game-theoretic approaches against the existing HAR methods.
The objective is to provide insights into the potential of game theory as a
solution for sensor-based HAR, and contribute to develop a more accurate and
efficient recognition system in the future research directions
ECONOMIC AGENCY THROUGH MODULARITY THEORY
Economic agency as a matter of rational decision-making and as a problem of bounded rationality has never gone too far from its earlier formalization in the 1950s. Not that the advancement on this topic is so slow, but the same problem concerning higher level cognition as another general program of cognitive science is not as easy as behavioral studies. This paper will show a parallelism between economic agency and folkpsychological perspective, and in turn will give a short description on how folk psychology is unseparable from modularity theory. In short, then there must be a way to cope with cognition as the black box of economics if we can identify the appropriate level of description of cognitive structure, i.e.: modularity theory.bounded rationality, folk psychology, modularity theory
- âŠ