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Digital Computations Inc. (1 results)
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- Natural Calculator (exe)
- Natural Calculator is an easy and handy tool used for different mathematical computations: Handy 'paper' data display; Numbers with any quantity of digits and preset calculation precision; Computations with the following number-types: scientific, integer, fraction, and complex; Calculation precision, angular measure, and result view can be set on default for...
- Software downloads 2008-07-07
- Dynamic Load Balancing for Distributed Search
- This paper examines how computation can be mapped across the nodes of a distributed search system to effectively utilize available resources. It specifically address computationally intensive search of complex data, such as content-based retrieval of digital images or sounds, where sophisticated algorithms must be evaluated on the objects of interest....
- White papers 2008-01-01
- Hierarchical Partitioning and Dynamic Load Balancing for Scientific Computation
- Cluster and grid computing has made hierarchical and heterogeneous computing systems increasingly common as target environments for large-scale scientific computation. A cluster may consist of a network of multiprocessors. A grid computation may involve communication across slow interfaces. Modern supercomputers are often large clusters with hierarchical network structures. For maximum...
- White papers 2008-01-01
- Decimal Floating Point Computations in SAP NetWeaver 7.10
- Most processor architectures support binary floating point in hardware. However, binary floating point is not suitable for financial or humancentric applications. SAP NetWeaver 7.10 ABAP kernel introduces a new SAP ABAP data type called "DECFLOAT" to enable more accurate and consistent results from decimal floating point computations. The new data...
- White papers 2007-10-01
- OSXGeoCalc (gz)
- OSXGeoCalc is a structural geology calculator. It operates on lines and planes, strains, stresses, and drillcore data. Individual computations can be made using the calculators interface. Multiple computations can be made using text files. Lines and planes can be visualized in a stereonet and stress and strain operations can be...
- Software downloads 2007-03-25
- Towards Topology Aware Networks
- This paper focuses on efficient protocols that enhance a network with topology awareness. This paper discusses centralized algorithms with provable performance, and introduces decentralized asynchronous heuristics that use only local information and local computations. These algorithms are based on distributed solutions of convex programs expressing optimization of various spectral properties...
- White papers 2007-01-31
- Hypergraph-Based Dynamic Load Balancing for Adaptive Scientific Computations
- Adaptive scientific computations require that periodic repartitioning load balancing occur dynamically to maintain load balance. Hypergraph partitioning is a successful model for minimizing communication volume in scientific computations, and partitioning software for the static case is widely available. This paper presents a new hypergraph model for the dynamic case, where...
- White papers 2007-01-22
- OASiS: A Programming Framework for Service-Oriented Sensor Networks
- Wireless sensor networks consist of small, inexpensive devices which interact with the environment, communicate with each other, and perform distributed computations in order to monitor spatio-temporal phenomena. These devices are ideally suited for a variety of applications including object tracking, environmental monitoring, and homeland security. OASiS uses a well-defined model...
- White papers 2006-11-21
- Study of Network on Chip Resources Allocation for QoS Management
- The increasing complexity of integrated circuits and application requirements drive the research of new on-chip interconnection architectures. A network on chip draws on concepts inherited from distributed systems and computer networks subject areas to interconnect IP cores in a structured and scalable way. The main goal pursued is to achieve...
- White papers 2006-10-18
- Dynamic Load Balancing for Adaptive Scientific Computations Via Hypergraph Repartitioning
- Adaptive scientific computations require that periodic repartitioning load balancing occur dynamically to maintain load balance. Hypergraph partitioning is a successful model for minimizing communication volume in scientific computations, and partitioning software for the static case is widely available. This paper presents a new hypergraph model for the dynamic case, where...
- White papers 2006-10-09
- HeikinAshi4MetaStock (zip)
- Heikin Ashi4MetaStock is a software program that allows MetastockTM users to create and update Heikin Ashi data files in MetaStockTM. The program creates data files with modified open, high, low, close values and according to the computation rules for Heikin-ashi trend technique. Once these data files are created/updated, they can...
- Software downloads 2006-09-26
- Robust Distributed Node Localization With Error Management
- Location knowledge of nodes in a network is essential for many tasks such as routing, cooperative sensing, or service delivery in ad hoc, mobile, or sensor networks. This paper introduces a novel iterative method Iterative Least-Squares ILS for node localization starting with a relatively small number of anchor nodes in...
- White papers 2006-05-25
- Interactive Component Assembly With SuperGlue
- Programming is a very powerful way of interacting with a computer because the user is not constrained by the narrow scope of an application's functionality. Unfortunately, even for experienced programmers, writing a program is often too difficult and time consuming to be performed casually because most programming languages focus on...
- White papers 2006-05-22
- Dynamic Load Balancing and CFD Simulations on the MecaGRID and GRID5000
- CFD simulations on Clusters and GRIDS having mixed processor speeds present several challenges to achieve efficient load balancing. If both the fast and slow processors are given the same amount of work, the faster processors will finish their computations first and wait for the slower processors to finish. To achieve...
- White papers 2006-04-10
- Geometrical Methods for Lightness Adjustment in YCC Color Spaces
- Lightening or darkening an image is a fundamental adjustment used to improve aesthetics or correct exposure. This paper describes new geometrical algorithms for lightness adjustment, implementing fast traversal of colors along lightness saturation curves, applicable when the data starts naturally in YCC space JPEG images or MPEG videos. Here, YCC...
- White papers 2006-01-19
- Rerouting Grid Applications Across Firewalls
- The Grid refers to "A distributed computing infrastructure for advanced science and engineering". Grid applications require advanced computations through distributed processing, with an explicit focus on supporting Virtual Organizations VOs. By participating in a VO, participating institutions are able to share and coordinate computations, commonly with the Internet as the...
- White papers 2006-01-04
- Effective Computation of Biased Quantiles Over Data Streams
- Skew is prevalent in many data sources such as IP traffic streams. To continually summarize the distribution of such data, a high-biased set of quantiles (e.g., 50th, 90th and 99th percentiles) with finer error guarantees at higher ranks (e.g., errors of 5, 1 and 0.1 percent, respectively) is more useful...
- White papers
- Towards an Active Network Architecture
- Active networks allow their users to inject customized programs into the nodes of the network. An extreme case, in which one is most interested, replaces packets with "Capsules" - program fragments that are executed at each network router/switch they traverse. Active architectures permit a massive increase in the sophistication of...
- White papers 2008-01-01
- Computing Aggregates for Monitoring Wireless Sensor Networks
- Wireless sensor networks involve very large numbers of small, low-power, wireless devices. Given their unattended nature, and their potential applications in harsh environments, the paper needs a monitoring infrastructure that indicates system failures and resource depletion. This paper briefly describes an architecture for sensor network monitoring, then focus on one...
- White papers 2008-01-01
Additional Resources
- Leading Israeli Medical Authority Reduces Daily Helpdesk Calls to Single Figures
- The Computation Authority at the Hebrew University of Jerusalem's Faculty of Medicine is responsible for all computing infrastructures across the campus's two faculties and five professional schools. Growing demands on the Computation Authority's resources made it important to develop services. For example, the many disparate systems in use had no...
- Case studies 2006-09-28
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