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Self-Organization of Associative Database and Its Applications

Neural Information Processing Systems

Here, X is a finite or infinite set, and Y is another finite or infinite set. A learning machine observes any set of pairs (x, y) sampled randomly from X x Y. (X x Y means the Cartesian product of X and Y.) And, it computes some estimate j:


The Hopfield Model with Multi-Level Neurons

Neural Information Processing Systems

The generalization replaces two state neurons by neurons taking a richer set of values. Two classes of neuron input output relations are developed guaranteeing convergence to stable states. The first is a class of "continuous" relations andthe second is a class of allowed quantization rules for the neurons.


Self-Organization of Associative Database and Its Applications

Neural Information Processing Systems

Here, X is a finite or infinite set, and Y is another finite or infinite set. A learning machine observes any set of pairs (x, y) sampled randomly from X x Y. (X x Y means the Cartesian product of X and Y.) And, it computes some estimate j:


An Optimization Network for Matrix Inversion

Neural Information Processing Systems

Box 150, Cheongryang, Seoul, Korea ABSTRACT Inverse matrix calculation can be considered as an optimization. We have demonstrated that this problem can be rapidly solved by highly interconnected simple neuron-like analog processors. A network for matrix inversion based on the concept of Hopfield's neural network was designed, and implemented with electronic hardware. With slight modifications, the network is readily applicable to solving a linear simultaneous equation efficiently. Notable features of this circuit are potential speed due to parallel processing, and robustness against variations of device parameters. INTRODUCTION Highly interconnected simple analog processors which mmnc a biological neural network are known to excel at certain collective computational tasks.


Spatial Organization of Neural Networks: A Probabilistic Modeling Approach

Neural Information Processing Systems

ABSTRACT The aim of this paper is to explore the spatial organization of neural networks under Markovian assumptions, in what concerns the behaviour ofindividual cells and the interconnection mechanism. Spaceorganizational propertiesof neural nets are very relevant in image modeling and pattern analysis, where spatial computations on stochastic two-dimensionalimage fields are involved. As a first approach we develop a random neural network model, based upon simple probabilistic assumptions,whose organization is studied by means of discrete-event simulation.We then investigate the possibility of approXimating therandom network's behaviour by using an analytical approach originating from the theory of general product-form queueing networks. The neural network is described by an open network of nodes, inwhich customers moving from node to node represent stimulations andconnections between nodes are expressed in terms of suitably selectedrouting probabilities. We obtain the solution of the model under different disciplines affecting the time spent by a stimulation ateach node visited.


Concurrent Logic Programming, Metaprogramming, and Open Systems

AI Magazine

An informal workshop on concurrent logic programming, metaprogramming, and open systems was held at Xerox Palo Alto Research Center (PARC) on 8-9 September 1987 with support from the Association for the Advancement of Artificial Intelligence. The 50 workshop participants came from the Japanese Fifth Generation Project (ICOT), the Weizmann Institute of Sci-ence in Israel, Imperial College in London, the Swedish Institute of Computer Science, Stanford University, the Mas-sachusetts Institute of Technology (MIT), Carnegie Mellon University (CMU), Cal Tech, Science University of Tokyo, Melbourne University, Calgary University, University of Wisconsin, Case Western Reserve, University of Oregon, Korea Advanced Institute of Science and Technology (KAIST), Quintus, Symbolics, IBM, and Xerox PARC. No proceedings were generated; instead, participants distributed copies of drafts, slides, and recent papers.


Report on the First National Conference on Knowledge Representation and Inference in Sanskrit

AI Magazine

This conference is analogous to the ancient texts but little procedural consultation of philosophers and cognitive information), we had to rely on the This report is a review of the First psychologists by computer scientists pandits to whom the oral tradition had National Conference on Knowledge in the beginnings of AI. been passed. Representation and Inference in Western psychology and philosophy is The conference was inspired by Sri Sanskrit, Bangalore, India, 20 through quite different from the Indo-Aryan Paramananda Bharathi Swamiji and 22 December, 1986 The conference tradition: the former has its basis in was organized by Dr. H. N. Mahabala was inspired by an article that Aristotelian logic and the scientific (president, Computer Society of India; appeared in the Spring 1985 issue of method, whereas the latter is also chairman, Indian Institute of AI Magazine--"Knowledge based on introspection and internal Technology) and others. The conference Representation in Sanskrit and experience Nevertheless, both these was attended by the vice-chairman Artificial Intelligence." Virtually text.The purpose of AI in this context every institute of science, mathematics is to derive a "method" for natural language and engineering was represented. A working group has been created to was implicit; it was not the focus.



A Visit to the Tsukuba Science Exposition

AI Magazine

Tsukuba Expo '85 is huge, interesting, and fun. The Japanese pavilions are plush and well -organized and contain some impressive artificial intelligence demonstrations. The U.S. pavilion is an embarrassment.


Artificial Intelligence Research Capabilities of the Air Force Institute of Technology

AI Magazine

The Air Force Institute of Technology (AFIT) provides master's degree education to Air Force and Army Officers in various engineering fields It is in a unique position to educate and perform research in the area of applications of artificial intelligence to military problems. Its two AI faculty members are the only military officers with PhD's in Artificial Intelligence. In the past two years, the artificial intelligence Laboratory of AFIT has become a major focal point for AI research and applications within the government. In this article, we describe our on-going applications research in the areas of automated cockpit systems, natural language understanding, maintenance expert systems, expert systems for planning and knowledge based software design.