ppxscal/embedding_network huggingface dataset:
Keys for Mind: Low Cost Replication Intelligent Tool for Kids with Disabilities
Authors: Milton Villegas Lemus, Yuen Law Wan
Venue: Proceedings of the Sixth IEEE International Conference on Advanced Learning Technologies (2006)

In this poster we describe a prototype of a product designed for special education in developing a country (Costa Rica). This prototype allows parents and instructors to build dynamics to exercise the fine motor skills and learn syllables, colors and shapes. The device can be constructed using blueprints with reused and low-cost materials. It is an attempt to solve a problem that is common in our countries: lack of material for education adapted to the needs of specific individuals
A simulation analysis of the vari-metric repairable inventory optimization procedure for the U.S. Coast Guard
Authors: Michael B. Zamperini, Michael Freimer
Venue: Proceedings of the 37th conference on Winter simulation (2005)

This paper documents a simulation study undertaken to gain insights into the Vari-Metric multi-echelon repairable inventory optimization method. The method was analyzed in the context of the Coast Guard's fleet of fixed and rotary wing aircraft, for which operational availability is the key performance metric. Failure rates of parts in this system exhibit variance-to-mean ratios higher than one, and we outline a procedure for generating a failure arrival process described by a negative binomial distribution. Previous studies of the Vari-Metric model examined a single repairable part; in this study we analyzed a system comprised of three repairable parts. This allowed us to gain insights into how the Vari-Metric procedure selects part stock levels to attain a desired level of system availability. Further analysis of the simulation model allowed us to examine the efficient frontier for this multi-criteria problem (maximizing spare part availability rates while minimizing the cost of part inventories).
"Collaborative mobile user interface design": how should companies design the mobile UI together?
Authors: David M. L. Williams
Venue: Proceedings of the 8th conference on Human-computer interaction with mobile devices and services (2006)

The panel will discuss the challenges, real-world examples and future directions in the collaborative design of mobile service, devices and application user interfaces.
Automatic Viewpoint Selection for a Visualization I/F in a PSE
Authors: Machiko Nakagawa, Masami Takata, Kazuki Joe
Venue: Proceedings of the Second IEEE International Conference on e-Science and Grid Computing (2006)

Visualization plays an important role in PSEs. Some PSE for the support of scientific simulation provides visualization I/F for simulation results. Without deep knowledge of visualization presentation, users require automatic viewpoint selection of the resultant visualization of simulation results. In this paper, we propose an automatic viewpoint selection method, called viewpoint potential, and show some experimental results.
Network Based Immunization Against Computer Virus
Authors: Lansheng Han, Fan Hong, Bing Peng
Venue: Proceedings of the Japan-China Joint Workshop on Frontier of Computer Science and Technology (2006)

Different from immunization strategy of single-chipped computer, this paper proposes the network-based immune system which takes the entire network as integrated one by the advantage of collaboration of the network. To grasp the main factors that effect the virus' spreading, the paper first constructs a discrete model for the virus. Based on the model, the paper presents two immune strategies: immune on the nodes with larger degree and immune around the infected nodes. Also different from the other papers about the immunization, this paper presents not only the immune strategies, but also theoretical analysis. Just by those theoretical analysis, the paper proposes algorithms for source tracing immunization and successive immunization which can assure to clean all the virus in a subnet. The paper also carried on simulation tests for the immune strategies which confirm our algorithms and also get some useful conclusions for the real immune activities.
Survivable Monitoring in Dynamic Networks
Authors: Giuseppe Ateniese, Chris Riley Christian Scheideler
Venue: IEEE Transactions on Mobile Computing (2006)

We present a monitoring system for a dynamic network in which a set of domain nodes shares the responsibility for producing and storing monitoring information about a set of visitors. This information is stored persistently when the set of domain nodes grows and shrinks. Such a system can be used to store traffic or other logs for auditing or can be used as a subroutine for many applications to allow significant increases in functionality and reliability. The features of our system include authenticating visitors, monitoring their traffic through the domain, and storing this information in a persistent, efficient, and searchable manner. The storage process is O(\log n){\hbox{-}}{\rm competitive} in the number of network messages with respect to an optimal offline algorithm; we show that this is as good as any online algorithm can achieve and significantly better than many commonly used strategies for distributed load balancing.
Profiling Bluetooth and Linux on the Xilinx Virtex II Pro
Authors: Filipa Duarte, Stephan Wong
Venue: Proceedings of the 9th EUROMICRO Conference on Digital System Design (2006)

In this paper, we present profiling results of the Bluetooth standard implemented on the Xilinx Virtex II Pro device. The investigation is performed in two stages. First, we solely focus on the Bluetooth standard and its internal functions. Second, we focus on the Bluetooth standard in conjunction with an operating system. In both stages, we determine the most time-consuming functions by pinpointing the most computationally intensive or most data-intensive functions. The results of the first stage show that there are eight most time-consuming functions within Bluetooth. The results of the second stage show that (excluding interrupt related functions) the most time-consuming function is memcpy. This function is called inside of the Bluetooth standard in order to move received packets to another memory location (allowing new packets to be copied to the same memory location) and to reassemble a frame with all the received packets. memcpy is also called within other standard Linux networking protocols which should similarly benefit from an hardware implementation of this function.
Using Machine Learning to Allocate Parallel Workload
Authors: Shun Long
Venue: Proceedings of the First International Conference on Innovative Computing, Information and Control - Volume 1 (2006)

It is believed that optimal workload allocation cannot be achieved without considering the cost of parallelism in a given environment. This paper presents a machine learning approach to allocate parallel workload in a cost-aware manner. This instance-based learning approach uses static program features to classify programs, before deciding the best workload allocation scheme based on its prior experience with similar programs. Experimental results on 76 Java benchmarks show that it can find the optimal workload allocation schemes for 36 out of them and over 85% of the best speedups on the other 19. It shows that this approach can efficiently allocate parallel workload among Java threads and achieve optimal or suboptimal performance.
Basic lines, axes and geometric modeling on implicit algebraic surfaces
Authors: Tie-ru Wu, Hong-lu Cheng
Venue: Journal of Computational and Applied Mathematics (2006)

We introduce some new concepts such as basic lines and divide the blending problems into two classes, Class I blending and Class II blending. We further develop the results [Li, A software system on blending of pipe surfaces, Master Thesis, Jilin University, June, 2000; Wu et al., Blending of implicit algebraic surfaces, Proceedings of the ASCM 1995, Beijing, China, August 18-20, 1995, pp. 125-131; Wu and Han, Newton form formulae for the n- way blending of quadratic surfaces, Proceedings of IJCC Workshop on Digital Engineering, August 21-22, 2003; Wu and Zhou, On blending of several quadratic algebraic surfaces, Comput. Aided Geom. Design 17(9) (2000) 759-766; Wu, Zhou and Feng, Blending two quadratic algebraic surfaces with cubic surfaces, Proceedings of ASCM, 1996, Kohe, Japan, August 20-22, 1996, pp. 73-79] and analyze the geometric condition for the Class I blending problem by using characteristic roots. We obtain the lowest degree of Class II blending according to the different position of the axes of the primary surfaces. And we derive the efficient parameterization method for a kind of cubic blending surfaces on the basis of the results obtained by Berry and Patterson [Implicitization and parameterization of nonsingular cubic surfaces, Comput. Aided Geom. Design 19 (2001) 723-738].
Wavelet analysis in soliton detection
Authors: M. A. Coffey, D. M. Etter
Venue: Proceedings of the Acoustics, Speech, and Signal Processing, 1995. on International Conference - Volume 02 (1995)

The structure of arbitrary wavelet bases derived from the generalized B-spline wavelets is introduced. An arbitrary wavelet basis is constructed and then used to detect the presence of dynamic solitons in the sea surface height as measured by satellite altimetry. Comparisons are made for wavelet decompositions based on several scaling functions.
A Unified Model of Batch and Interactive Scientific Workflow and Its Implementation Using Windows Workflow
Authors: Asbjorn Rygg, Jiro Sumitomo, Paul Roe
Venue: Proceedings of the Second IEEE International Conference on e-Science and Grid Computing (2006)

Workflow is a key technology for eScience. It enables scientific tools to be composed and the resulting workflows to be managed. Workflow and most other computing tools typically distinguish batch from interactive operation. This distinction is ill-suited to scientific experimentation which typically starts interactively and then may progress to batch operation for larger or repeated runs of experiments. In this paper we present a scientific workflow model which unifies batch and interactive operation. This supports seamless experimentation by scientists. The model is implemented in a web based environment through the Microsoft Windows Workflow system and features a novel model for workflow components.
A Cloth Design System by Intuitive Operations
Authors: Katsunori Miyahara, Yoshihiro Okada, Koichi Niijima
Venue: Proceedings of the International Conference on Computer Graphics, Imaging and Visualisation (2006)

This paper proposes a new cloth design system that provides intuitive operations, e.g., sewing, cutting and fitting a cloth in a virtual 3D space through direct manipulations using a force-feedback device. Advances of computer hardware technologies and results of virtual reality researches make it possible to develop virtual reality applications those provide an immersive environment where the user manipulates 3D objects as if he/she existed in the real world. A lot of cloth simulation algorithms and systems have been proposed and existed so far. However, there is no cloth design system that provides intuitive operations enable the user to sew, cut and fit a cloth in a virtual 3D space as if he/she existed in the real world. So, the authors developed such a cloth design system. This paper describes what kind of model is employed for the cloth simulation, what kinds of operations are implemented, and quantitative performances of the system.
The Neural Basis of Perceptual Hypothesis Generation and Testing
Authors: R. Weidner, N. J. Shah, G. R. Fink
Venue: Journal of Cognitive Neuroscience (2006)

Four-dot masking is a new form of visual masking that does not involve local contour interactions or spatial superimposition of the target stimulus and the mask (as, e.g., in pattern or metacontrast masking). Rather, the effective masking mechanism is based on object substitution. Object substitution masking occurs when low-level visual information representations are altered before target identification through iterative interaction with high-level visual processing stages has been completed. Interestingly, object substitution interacts with attention processes: Strong masking effects are observed when attentional orientation toward the target location is delayed. In contrast, no masking occurs when attention can be rapidly shifted to and engaged onto the target location. We investigated the neural basis of object substitution masking by studying the interaction of spatial attention and masking processes using functional magnetic resonance imaging. Behavioral data indicated a two-way interaction between the factors Spatial Attention (valid vs. invalid cueing) and Masking (four-dot vs. pattern masking). As expected, spatial attention improved performance more strongly during object substitution masking. Functional correlates of this interaction were found in the primary visual cortex, higher visual areas, and left intraparietal sulcus. A region-of-interest analysis in these areas revealed that the largest blood oxygenation level-dependent signal changes occurred during effective four-dot masking. In contrast, the weakest signal changes in these areas were observed when target visibility was highest. The data suggest that these areas represent an object substitution network dedicated to the generation and testing of a perceptual hypotheses as described by the object substitution theory of masking of Di-Lollo et al. [Competition for consciousness among visual events: The psychophysics of reentrant visual processes. Journal of Experimental Psychology: General, 129, 481&ndash;507, 2000].
Co-existence of Poisson and non-Poisson processes in ordered parallel multilane pedestrian traffic: Research Articles
Authors: Johnrob Bantang, Caesar Saloma
Venue: Complexity (2006)

We show that non-Poisson and Poisson processes can coexist in ordered parallel multilane pedestrian traffic, in the presence of lane switching which asymmetrically benefits the switchers and nonswitchers. Pedestrians join at the tail end of a queue and transact at the opposite front end. Their aim is to complete a transaction within the shortest possible time, and they can transfer to a shorter queue with probability ps. Traffic is described by the utilization parameter U = &lambda;&lang;ts&rang;&#x002F;N, where &lambda; is the average rate of pedestrians entering the system, &lang;ts&rang; is the average transaction time, and N is the number of lanes. Using an agent-based model, we investigate the dependence of the average completion time &lang;tc&rang; with variable K = 1 + (1 - U)-1 for different N and &lang;ts&rang; values. In the absence of switching (ps = 0), we found that &lang;tc&rang; &prop; K&tau;, where &tau; &ap; 1 regardless of N and &lang;ts&rang;. Lane switching (ps = 1) reduces &lang;tc&rang; for a given K, but its characteristic dependence with K differs for nonswitchers and switchers in the same traffic system. For the nonswitchers, &lang;tc&rang; &prop; K&tau;, where &tau; < 1. At low K values, switchers have a larger &lang;tc&rang; that also increases more rapidly with K. At large K, the increase rates become equal for both. For nonswitchers, the possible tc values obey an exponentially decaying probability density function p(tc). The switchers on the other hand, are described by a fat-tailed p(tc) implying that a few are penalized with tc values that are considerably longer than any of those experienced by nonswitchers. &copy; 2006 Wiley Periodicals, Inc. Complexity 11: 35&ndash;42, 2006PACS: 87.23.Ge Dynamics of social systems; 45.70.Vn Granular Models of Complex systems; traffic flow; 89.75.Da Systems obeying scaling laws; 02.50.Ng Distribution theory and Monte Carlo studies (PACS: 87.23.Ge, 45.70.Vn, 89.75.Da, 02.50.Ng)
Beyond access: informed participation and empowerment
Authors: Ernesto G. Arias, Hal Eden, Gerhard Fischer, Andrew Gorman, Eric Scharff
Venue: Proceedings of the 1999 conference on Computer support for collaborative learning (1999)

This paper is based on the fundamental claim that one of the major roles of new media is not to deliver predigested information to individuals, but to provide the opportunity and resources for social debate and discussion. For most design problems (ranging from urban design to graphics design and software design) that we have studied over many years, the knowledge to understand, frame, and solve these problems does not exist, but is constructed and evolved during the process of solving them, exploiting the power of the "symmetry of ignorance" and "breakdowns." From this perspective, access to existing information and knowledge (often seen as the major advance of new media) is a very limiting concept. Many social and technological innovations are limited to provide primarily better access, leading to "consumer" cultures. Our approach focuses and creates support for lifelong learning activities grounded in informed participation and empowerment, allowing learners to incrementally acquire ownership in problems and contribute actively to their solution.To illustrate our approach, we present the Envisionment and Discovery Collaboratory (EDC), an integrated physical and computational environment supporting informed participation through new forms of knowledge creation, integration, and dissemination. The EDC empowers users to act as designers in situated learning and collaborative problem-solving activities. It addresses the integration of the user&iacute;s consumer and designer roles, not by translating them into an "either-or" type of support, but rather by providing users with the flexibility to move along this spectrum according to needs, opportunities, and personal interest and engagement in particular learning situations.
Analysis of energy conservation in sensor networks
Authors: Q. Gao, K. J. Blow, D. J. Holding, Ian Marshall
Venue: Wireless Networks (2005)

In this paper we use the Erlang theory to quantitatively analyse the trade offs between energy conservation and quality of service in an ad-hoc wireless sensor network. Nodes can be either sleeping, where no transmission or reception can occur, or awake where traffic is processed. Increasing the proportion of time spent in the sleeping state will decrease throughput and increase packet loss and delivery delay. However there is a complex relationship between sleeping time and energy consumption. Increasing the sleeping time does not always lead to an increase in the energy saved. We identify the energy consumption profile for various levels of sensor network activity and derive an optimum energy saving curve that provides a basis for the design of extended-life ad hoc wireless sensor networks.
Research of Isoline Rendering Based on 3 -Subdivision
Authors: Xie Jiancang, Song Yang, Wang Xiaohui, Li Jianxun, Luo Jungang
Venue: Proceedings of the 2006 International Conference on Hybrid Information Technology - Volume 01 (2006)

The TIN automatic created is a important link in the process of draw contour, However when the distance of measuring points are farther, and the laxity of measuring matrix is bigger different, the structure of Delaunay triangle is often bigger in the measuring point sparse area, which caused the contour precision not to be high. Therefore, this article firstly analyses TIN automatic created, withdraws the sparse network region from TIN, then introduced 3 -subdivision algorithm, and refines the Delaunay triangle in this region, thus has formed a finner TIN, enhanced the expression of measure data to the entity, and increased the contour algorithm precision.
Reaching Out to See: Arm Position Can Attenuate Human Visual Loss
Authors: Krista Schendel
Venue: Journal of Cognitive Neuroscience (2004)

Electrophysiological recordings in monkeys have now revealed several brain regions that contain bimodal visuotactile neurons capable of responding to either tactile or visual stimuli placed on or near the hands, arms, and face. These cells have now been found in frontal, parietal, and subcortical areas of the monkey brain, suggesting a cortical network of neurons that preferentially represent near peripersonal space. The degree to which the visual responses of such cells rely on input from the primary visual cortex and the extent to which they may contribute to visual perception is not completely understood. Nonetheless, recent neuropsychological studies suggest that a similar representation of near space may be bimodally coded in humans as well. Given the accumulating evidence for specialized processing of visual stimuli placed near the hands and arms, we hypothesized that arm position may be capable of modulating human visual ability. Here we report the case of WM, who lost his ability to see in his left visual hemifield after sustaining damage to his right primary visual cortex. Interestingly, the placement of WM's left arm into his ''blind'' field resulted in significantly better detection of left visual field stimuli compared to when his hand was placed in his lap at midline. Moreover, we found this attenuation to be confined to stimuli presented within reaching distance (unless a tool that extended WM's reach was held while he performed the test). These findings are highly consistent with the characteristics of the bimodal visuo-tactile neurons that have been described in monkeys. Thus, it seems that arm position can modulate human visual ability, even after damage to the primary visual cortex. This study provides an exciting bridge between monkey neurophysiology and human visual capacity while also offering a novel approach for improving visual defects acquired via cortical injury.
A Conceptual Model of ICT-Supported Unified Process of International Outsourcing of Software Production
Authors: Anicet Yalaho
Venue: Proceedings of the 10th IEEE on International Enterprise Distributed Object Computing Conference Workshops (2006)

This is an ongoing research in international outsourcing software production. This research examines how Software production through the ICTsupported unified process of international outsourcing could be executed and managed effectively. To address this research question, the results of an in-depth literature review in the areas of outsourcing, international outsourcing, information technology, and international software production is presented. This study proposes the information communication technologies' (ICT) - supported unified process model of international outsourcing of software production (SUPMIOSP). ICT-SUPMIOSP provides a detailed guideline on how to manage the entire process of international outsourcing by integrating a number of key issues such as relationship and risks management. Both theoretical and practical aspects of ICTSUPMIOSP are presented. At the theoretical level, the model can be used as a basis for further research, while at the practical level, it helps managers and other stakeholders to understand the multiple activities involved in offshore outsourcing, improve, systematize, and execute the ICT-SUPIOSP more effectively and efficiently.
Structure and composition evolutions of Er-doped Si-rich SiO2 film under annealing
Authors: C. S. Zhang, J. Z. Sun, F. Zhang
Venue: Microelectronic Engineering (2005)

Erbium doped silicon rich SiO"2 thin films were prepared by sputtering and ion implantation methods. The evolutions of the microstructure and the interactions among erbium, oxygen and silicon atoms under annealing have been studied by means of Raman scattering and X-ray photoelectron spectroscopy (XPS). It was found that amorphous and crystalline silicon nanoparticles have been formed upon annealing at 773 and 1273K, respectively. After a 773K annealing, the Er-O-Si complex is formed, and it is broken at the temperatures higher than 1173K. The favored condition of this system, which has Si nanocrystals and optically active Er ions embedded in SiO"2, can be obtained by heat treatment at the temperatures higher than 1273K.