ppxscal/embedding_network huggingface dataset:
Hybrid intelligent scenario generator for business strategic planning by using ANFIS
Authors: Sorousha Moayer, Parisa A. Bahri
Venue: Expert Systems with Applications: An International Journal (2009)

The aim of this study is to investigate a new method for generating scenarios in order to cope with the data shortage and linguistic expression of experts in scenario planning. The proposed hybrid intelligent scenario generator uses an Adaptive Neuro-Fuzzy Inference System (ANFIS) to deal with uncertain inputs. In this methodology, the strengths of expert systems, fuzzy logic and Artificial Neural Networks (ANNs) are joined to generate possible future scenarios. The proposed methodology includes four steps: step 1 defines the scope and internal and external variables and step 2 determines rules from experts. Then, step 3 prepares ANFIS system which is conducted by computer programming in Matlab environment. The Last step is sensitivity analysis to study the effects of variation of inputs on outputs. The applicability of the proposed method has been tested against two different case studies.
A channel and rate assignment algorithm and a layer-2.5 forwarding paradigm for multi-radio wireless mesh networks
Authors: Stefano Avallone, Ian F. Akyildiz, Giorgio Ventre
Venue: IEEE/ACM Transactions on Networking (TON) (2009)

The availability of cost-effective wireless network interface cards makes it practical to design network devices with multiple radios which can be exploited to simultane-ously transmit/receive over different frequency channels. It has been shown that using multiple radios per node increases the throughput of multi-hop wireless mesh networks. However, multi-radios create several research challenges. A fundamental problem is the joint channel assignment and routing problem, i.e., how the channels can be assigned to radios and how a set of flow rates can be determined for every network link in order to achieve an anticipated objective. This joint problem is NP-com-plete. Thus, an approximate solution is developed by solving the channel assignment and the routing problems separately. The channel assignment problem turns out to be the problem to assign channels such that a given set of flow rates are schedulable and itself is shown to be also NP-complete. This paper shows that not only the channels but also the transmission rates of the links have to be properly selected to make a given set of flow rates schedulable. Thus, a greedy heuristic for the channel and rate assignment problem is developed. Algorithms to schedule the resulting set of flow rates have been proposed in the literature, which require synchronization among nodes and hence modified coordination functions. Unlike previous work, in this paper a forwarding paradigm is developed to achieve the resulting set of flow rates while using a standard MAC. A bi-dimensional Markov chain model of the proposed forwarding paradigm is presented to analyze its behavior. Thorough performance studies are con-ducted to: a) compare the proposed greedy heuristic to other channel assignment algorithms; b) analyze the behavior of the forwarding paradigm through numerical simulations based on the Markov chain model; c) simulate the operations of the forwarding paradigm and evaluate the achieved network throughput.
Fuzzy Backstepping Controllers for Two-Wheeled Self-Balancing Robot
Authors: Xiaogang Ruan, Jianxian Cai
Venue: Proceedings of the 2009 International Asia Conference on Informatics in Control, Automation and Robotics (2009)

A two-loop cascade adaptive controller is proposed for a non-stable, non-linear, strong coupling system using backstepping and fuzzy neural network. The proposed approach uses fuzzy neural networks to approximate unknown nonlinear function. Then, use backstepping to design adaptive controller to realize self-balancing control of robot. The simulation results indicate that both speediness and stability performance in robot is improved, and there is well control performance in trouble.
SET Emulation Under a Quantized Delay Model
Authors: Mario García Valderas, Luis Entrena, Raúl Fernández Cardenal, Celia López Ongil, Marta Portela García
Venue: Journal of Electronic Testing: Theory and Applications (2009)

Single event transient (SET) fault analysis is usually performed through digital simulation at the gate level. However, this method cannot be used for large fault injection campaigns, since gate level simulation is quite slow. In this paper, we propose an approach to build an FPGA based SET emulator, which implements a quantized delay model of the circuit under evaluation. Experimental results demonstrate that the quantized delay model produces accurate results and can be easily captured in an FPGA. The proposed approach can be automated to increase SET fault analysis performance by three orders of magnitude with respect to simulation.
Professional and Ethical Dilemmas in Software Engineering
Authors: Brian Berenbach, Manfred Broy
Venue: Computer (2009)

The authors identify, categorize, and name nine specific ethical and professional dilemmas in software engineering, placing them in the context of the IEEE code of conduct, with the hope that giving such behavior a name will increase awareness and decrease the frequency with which these dilemmas occur.
A novel thermally-stable zirconium amidinate ALD precursor for ZrO2 thin films
Authors: B. Lee, K. J. Choi, A. Hande, M. J. Kim, R. M. Wallace, J. Kim, Y. Senzaki, D. Shenai, H. Li, M. Rousseau, J. Suydam
Venue: Microelectronic Engineering (2009)

ZrO"2 thin films were deposited by the atomic layer deposition process on Si substrates using tetrakis(N,N'-dimethylacetamidinate) zirconium (Zr-AMD) as a Zr precursor and H"2O as an oxidizing agent. Tetrakis (ethylmethylamino) zirconium (TEMA-Zr) was also evaluated for a comparative study. Physical properties of ALD-derived ZrO"2 thin films were studied using ellipsometry, grazing incidence XRD (GI-XRD), high resolution TEM (HRTEM), and atomic force microscopy (AFM). The ZrO"2 deposited using Zr-AMD showed a better thermal stability at high substrate temperature (>300^oC) compared to that using TEMA-Zr. GI-XRD analysis reveals that after 700^oC anneal both ZrO"2 films enter tetragonal phase. The electrical properties of N"2-annealed ZrO"2 film using Zr-AMD exhibit an EOT of 1.2nm with leakage current density as low as 2x10^-^3A/cm^2 (@V"f"b-1V). The new Zr amidinate is a promising ALD precursor for high-k dielectric applications.
Propagation models for TETRA direct mode operation
Authors: Andrej Hrovat, Tomaž Javornik, Gorazd Kandus
Venue: Proceedings of the 8th conference on Applied informatics and communications (2008)

In the paper, we gave after a brief overview of free space, Bacon and CEPT SE21 propagation models, mentioned in the TETRA Direct Mode Operation (DMO) standard, the comparison of the path losses, calculated by two-ray and multi-wall models and pass losses, obtained by field measurement campaign. We found out, that the two-ray model is suitable for fast estimation of the TETRA DMO signal coverage in open flat area, while the multiwall model, taking into account the attenuation of walls between transmitter and receiver, gives good estimate of the signal levels for indoor applications.
A psychological study of query by example
Authors: John C. Thomas, John D. Gould
Venue: Proceedings of the May 19-22, 1975, national computer conference and exposition (1975)

Many different query systems have been proposed. One way to partition extant and hypothetical query systems is on the basis of how English-like they are. One approach for an easy-to-use query system is to allow the user to state a question in natural English. The system may then disambiguate the possible interpretations of this question on the basis of context or on the basis of feedback questions to the user. A second approach is to require the user to state his question in a formal language system, but one that uses an English-like grammar and vocabulary. IBM's Interactive Query Facility (IQF) and SEQUEL exemplify this type of approach. A third approach is to require the user to state his question in a formal language system that does not attempt to appear "English-like." Zloof's Query By Example language is best described by this third approach. In this paper we demonstrate experimentally the ease and accuracy with which nonprogrammers learned and used this powerful Query By Example language.
Utility-driven proactive management of availability in enterprise-scale information flows
Authors: Zhongtang Cai, Vibhore Kumar, Brian F. Cooper, Greg Eisenhauer, Karsten Schwan, Robert E. Strom
Venue: Proceedings of the ACM/IFIP/USENIX 2006 International Conference on Middleware (2006)

Enterprises rely critically on the timely and sustained delivery of information. To support this need, we augment information flow middleware with new functionality that provides high levels of availability to distributed applications while at the same time maximizing the utility end users derive from such information. Specifically, the paper presents utility-driven 'proactive availability-management' techniques to offer (1) information flows that dynamically self-determine their availability requirement based on high-level utility specifications, (2) flows that can trade recovery time for performance based on the 'perceived' stability of and failure predictions (early alarm) for the underlying system, and (3) methods, based on real-world case studies, to deal with both transient and non-transient failures. Utility-driven 'proactive availability-management' is integrated into information flow middleware and used with representative applications. Experiments reported in the paper demonstrate middleware capability to self-determine availability guarantees, to offer improved performance versus a statically configured system, and to be resilient to a wide range of faults.
Image and Video Quality Assessment Using LCD: Comparisons with CRT Conditions
Authors: Sylvain Tourancheau, Patrick Le Callet, Dominique Barba
Venue: IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences (2008)

In this paper, the impact of display on quality assessment is addressed. Subjective quality assessment experiments have been performed on both LCD and CRT displays. Two sets of still images and two sets of moving pictures have been assessed using either an ACR or a SAMVIQ protocol. Altogether, eight experiments have been led. Results are presented and discussed, some differences are pointed out. Concerning moving pictures, these differences seem to be mainly due to LCD moving artefacts such as motion blur. LCD motion blur has been measured objectively and with psycho-physics experiments. A motion-blur metric based on the temporal characteristics of LCD can be defined. A prediction model have been then designed which predict the differences of perceived quality between CRT and LCD. This motion-blur-based model enables the estimation of perceived quality on LCD with respect to the perceived quality on CRT. Technical solutions to LCD motion blur can thus be evaluated on natural contents by this mean.
Representing Communicative Function and Behavior in Multimodal Communication
Authors: Hannes Högni Vilhjálmsson
Venue: Multimodal Signals: Cognitive and Algorithmic Issues: COST Action 2102 and euCognition International School Vietri sul Mare, Italy, April 21-26, 2008 Revised Selected and Invited Papers (2009)

In this paper I discuss how communicative behavior can be represented at two levels of abstraction, namely the higher level of communicative intent or function, which does not make any claims about the surface form of the behavior, and the lower level of physical behavior description, which in essence instantiates intent as a particular multimodal realization. I briefly outline the proposed SAIBA framework for multimodal generation of communicative behavior, which is an international research platform that fosters the exchange of components between different systems. The SAIBA framework currently contains a first draft of the lower level Behavior Markup Language (BML) and is starting work on the higher level Function Markup Language (FML). I also briefly explain the usefulness of this distinction by using examples of several implemented systems that each draws different strengths from it. These systems range from autonomous conversational agents to computer mediated communication.
QoS-Aware Dynamic Source Routing Using Diffserv Principles
Authors: Sravanthi Bhavanam, Anupama Potluri, Jaya L. Yeruva, Tholoana Masupha, Atul Negi
Venue: Proceedings of the 5th International Conference on Distributed Computing and Internet Technology (2008)

QoS in Mobile Ad hoc Networks (MANETs) pushes the envelope of performance of wireless nodes since it has to overcome the constraints of bandwidth, battery power, interference, variable channel conditions and dynamic topology of the network. Although many schemes have been proposed for achieving QoS in MANETs, shortcomings of scalability and throughput remain. In this paper, we propose a cross-layer solution that is elastic in allocation of bandwidth to QoS levels. The proposed approach is scalable in terms of the number of meters, policers and queues maintained. Extensive simulations of the proposed scheme showed superiority as compared with ASAP[3] and SWAN[4] using ns-2.29 simulator[10]. From these simulations it was found that the throughput, as measured against the committed rate and packet delivery ratio achieved for each QoS level by our scheme are better than the other two schemes, especially for high priority flows. Our approach has a higher call acceptance rate compared to ASAP. The results also show a bounded latency in initiating data plane operations.
New delay-dependent L2-L∞ filter design for stochastic time-delay systems
Authors: Yun Chen, Anke Xue, Shaosheng Zhou
Venue: Signal Processing (2009)

This paper investigates delay-dependent L"2-L"~ performance analysis and filtering of stochastic systems with delays. Based on an auxiliary vector, an integral inequality in the stochastic setting is introduced. The proposed stochastic integral inequality reduces to some existing ones in the deterministic context, if there are no stochastic perturbations. By using this new integral inequality and free-weighting matrix technique, a simpler L"2-L"~ performance analysis result with fewer dimensions of linear matrix inequality (LMI) and fewer variables is presented. The mathematical equivalence of the presented result and some existing one is established. A stochastic L"2-L"~ filter which guarantees asymptotic mean-square stability of the filtering error system is designed in terms of LMIs. Both model transformations and and estimation for cross terms are avoided. Two illustrative examples are given to show the effectiveness of the method.
Performance-based parallel application toolkit for high-performance clusters
Authors: Kuan-Ching Li, Tien-Hsiung Weng
Venue: The Journal of Supercomputing (2009)

Advances in computer technology, encompassed with fast emerging of multicore processor technology, have made the many-core personal computers available and more affordable. The availability of network of workstations and cluster of many-core SMPs have made them an attractive solution for high performance computing by providing computational power equal or superior to supercomputers or mainframes at an affordable cost using commodity components. In order to search alternative ways to extract unused and idle computing power from these computing resources targeting to improve overall performance, as well as to fully utilize the underlying new hardware platforms, these are major topics in this field of research. In this research paper, the design rationale and implementation of an effective toolkit for performance measurement and analysis of parallel applications in cluster environments is introduced; not only generating parallel applications' timing graph representation, but also to provide application execution's performance data charts. The goal in developing this toolkit is to permit application developers have a better understanding of the application's behavior among selected computing nodes purposed for that particular execution. Additionally, multiple execution results of a given application under development can be combined and overlapped, permitting application developers to perform "what-if" analysis, i.e., to deeper understand the utilization of allocated computational resources. Experimentations using this toolkit have shown its effectiveness on the development and performance tuning of parallel applications, extending the use in teaching of message passing, and shared memory model parallel programming courses.
Measurement System of Dynamic Impedance of Vehicle Electronic Line Connector
Authors: Weibin Wu, Lifu Li, Tiansheng Hong, Jinjian Wang
Venue: Proceedings of the 2009 International Conference on Computer Engineering and Technology - Volume 02 (2009)

A measurement system of dynamic resistance of vehicle electronic line connector based on PXI Express(PXIe) technology was established. The system hardware was composed of PXIe box, PXIe high speed digitalizer, PXIe arbitrary waveform generator, high precision currency source and so forth. And the system operating interface was designed by LabVIEW, the virtual instrumentation software, with direct test results displayed on screen. This system can automatically measure dynamic impedance avoiding leaking the unqualified data which lead to imprecise test, and it can meet with the automotive manufactory and supplier real-time monitor requirement. Measurement result shows the maximum sampling rate is 100 million per second and can record at least 3 hours.
A New Method for Moving Object Extraction and Tracking Based on the Exclusive Block Matching
Authors: Zhu Li, Kenichi Yabuta, Hitoshi Kitazawa
Venue: Proceedings of the 3rd Pacific Rim Symposium on Advances in Image and Video Technology (2009)

Robust object tracking is required by many vision applications, and it will be useful for the motion analysis of moving object if we can not only track the object, but also make clear the corresponding relation of each part between consecutive frames. For this purpose, we propose a new method for moving object extraction and tracking based on the exclusive block matching. We build a cost matrix consisting of the similarities between the current frame's and the previous frame's blocks and obtain the corresponding relation by solving one-to-one matching as linear assignment problem. In addition, we can track the trajectory of occluded blocks by dealing with multi-frames simultaneously.
Open standards in electronic governance: promises and pitfalls
Authors: Jay Kesan, Rajiv Shah
Venue: Proceedings of the 2nd International Conference on Theory and Practice of Electronic Governance (2008)

In this paper, we describe an E-policy tutorial focusing on open standards. The tutorial considers several issues related to open standards including the development process for an open standard, benefits of open standards, government policies on open standards, and interoperability among different implementations of an open standard.
A Recommendation System for Preconditioned Iterative Solvers
Authors: Thomas George, Anshul Gupta, Vivek Sarin
Venue: Proceedings of the 2008 Eighth IEEE International Conference on Data Mining (2008)

Preconditioned iterative methods are often used to solve very large sparse systems of linear systems that arise in many scientific and engineering applications. The performance and robustness of these solvers is extremely sensitive to the choice of multiple preconditioner and solver parameters. Users of iterative methods often encounter an overwhelming number of combinations of choices for solvers, matrix preprocessing steps, preconditioners, and their parameters. The lack of a unified theoretical analysis of preconditioners coupled with limited knowledge of their interaction with linear systems makes it highly challenging for practitioners to choose good solver configurations. In this paper, we propose a novel, multi-stage learning based methodology for determining the best solver configurations to optimize the desired performance behavior for any given linear system. Empirical results over real performance data for the Hypre iterative solver package demonstrate the efficacy and flexibility of the proposed approach.
Exact and fast L1 cache simulation for embedded systems
Authors: Nobuaki Tojo, Nozomu Togawa, Masao Yanagisawa, Tatsuo Ohtsuki
Venue: Proceedings of the 2009 Asia and South Pacific Design Automation Conference (2009)

In recent years, the gap between the cycle time of processors and memory access time has been increasing. One of the solutions to solve this problem is to use a cache. But just using a large cache may not reduce the total memory access time. We can have an optimal cache configuration which minimizes overall memory access time by varying the three cache parameters: a cache set size, a line size, and an associativity. In this paper, we propose two exact cache simulation algorithms: CRCB1 and CRCB2, based on Cache Inclusion Property. They realize exact cache simulation but increase simulation speed dramatically. By using our approach, the number of cache hit/miss judgments required for simulating all the cache configurations is reduced to 31.4%--93.6% compared to conventional approaches. As a result, our proposed approach totally runs an average of 1.8 times faster and a maximum of 3.3 times faster compared to the fastest approach proposed so far. Our proposed exact cache simulation approach achieves the world fastest L1 cache simulation.
Grid Resource Domain Split Technique Base on Association Rule
Authors: Feng Yin
Venue: Proceedings of the 2009 International Conference on Advanced Computer Control (2009)

A Grid Resource’s Domain Split Management Method (GR-DSMM) is presented, which based on association rule model to group the sub-tasks. Firstly, in order to enhance the association between the subtasks in one sub-task-group and strengthen the independency between the groups, the method groups all sub-tasks, which have been syncopated in users’ tasks according to the association between the subtasks. Secondly, the GR-DSMM takes the sub-task group as one execution unit, which can reduce the frequent communication between the sub-task-groups, and improve the system’s efficiency. At the same time, the method divides the Grid resources into domain split according to the sub-task-group’s resource demands. And then, the method manages the classified Grid resources taking a domain split as one basic unit. Finally, the performance of GR-DSMM is compared with that of multiple-queue Backfilling scheduling algorithm and FCFS scheduling policy by emulator, and it proves that the method has superiority and practicability.
Optimal design of a distributed supersystem
Authors: David F. Palmer, James P. Ignizio, Catherine M. Murphy
Venue: Proceedings of the June 7-10, 1982, national computer conference (1982)

The design of distributed systems, in particular supersystems, requires an extraordinary number of decisions. Designers must define numbers and types of computing components, interconnection networks, software modules, and the allocation of software to hardware. This paper describes a formal approach to determining complex design decisions. The approach differs from most formal decision techniques as follows: (1) it generates multiple optimal design solutions; (2) it deals with multidimensional criteria; and (3) it has been implemented by an efficient (polynomial growth) algorithm. The approach uses fuzzy clustering, generalized goal programming, and a refined vectormax technique.