name stringlengths 7 10 | title stringlengths 13 125 | abstract stringlengths 67 3.02k | fulltext stringclasses 1
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train_1839 | The dynamic aspect of land administration: an often-forgotten component in | system design Although the establishment of a land administration system is enough of a challenge as it is, the task of keeping the system up to date with developments in society is even more challenging. Initial adjudication and cadastral mapping basically record land tenure as it exists at a given moment, i.e. the st... | land administration system;land tenure;dynamic component;static situation;system design;dynamic aspect;cadastral mapping;return on investment;adjudication;societal developments;static component | |
train_184 | On the expected value of the minimum assignment | The minimum k-assignment of an m*n matrix X is the minimum sum of k entries of X, no two of which belong to the same row or column. Coppersmith and Sorkin conjectured that if X is generated by choosing each entry independently from the exponential distribution with mean 1, then the expected value of its minimum k-assig... | m * n matrix;minimum k-assignment;exponential distribution;rational function;bipartite graph | |
train_1840 | Too much middleware | The movement from client-server computing to multi-tier computing has created a potpourri of so-called middleware systems, including application servers, workflow products, EAI systems, ETL systems and federated data systems. We argue that the explosion in middleware has created a myriad of poorly integrated systems wi... | multi-tier computing;middleware systems;eai systems;federated data systems;client-server computing;etl systems;poorly integrated systems;overlapping functionality;application servers;workflow products | |
train_1841 | The XML typechecking problem | When an XML document conforms to a given type (e.g. a DTD or an XML schema type) it is called a valid document. Checking if a given XML document is valid is called the validation problem, and is typically performed by a parser (hence, validating parser), more precisely it is performed right after parsing, by the same p... | xml document;xquery;xml typechecking problem;validation | |
train_1842 | The role of B2B engines in B2B integration architectures | Semantic B2B integration architectures must enable enterprises to communicate standards-based B2B events like purchase orders with any potential trading partner. This requires not only back end application integration capabilities to integrate with e.g. enterprise resource planning (ERP) systems as the company-internal... | edi;semantic b2b integration architectures;b2b engines;trading partner;rosettanet;purchase orders;erp systems;modeling;standards-based b2b event communication;web services | |
train_1843 | Supply chain infrastructures: system integration and information sharing | The need for supply chain integration (SCI) methodologies has been increasing as a consequence of the globalization of production and sales, and the advancement of enabling information technologies. In this paper, we describe our experience with implementing and modeling SCIs. We present the integration architecture an... | system integration;sales;performance scalability;software components;supply chain infrastructures;globalization;intraorganizational knowledge sharing;information sharing;multiple organizations;production;multi-echelon supply chain process model;supply chain integration | |
train_1844 | A multi-agent system infrastructure for software component marketplace: an | ontological perspective In this paper, we introduce a multi-agent system architecture and an implemented prototype for a software component marketplace. We emphasize the ontological perspective by discussing ontology modeling for the component marketplace, UML extensions for ontology modeling, and the idea of ontology ... | ontology modeling;uml extensions;dynamically changing ontologies;multi-agent system architecture;ontology transfer;software component marketplace;adaptation | |
train_1845 | Business data management for business-to-business electronic commerce | Business-to-business electronic commerce (B2B EC) opens up new possibilities for trade. For example, new business partners from around the globe can be found, their offers can be compared, even complex negotiations can be conducted electronically, and a contract can be drawn up and fulfilled via an electronic marketpla... | business data repository;multilingual system;electronic marketplace;business communication;data ownership;protocol-based negotiations;traceability;information discovery;multi-national project;small and medium-sized enterprises;heterogeneous business data;business-to-business electronic commerce;monitored contract enact... | |
train_1846 | Semantic B2B integration: issues in ontology-based approaches | Solving queries to support e-commerce transactions can involve retrieving and integrating information from multiple information resources. Often, users don't care which resources are used to answer their query. In such situations, the ideal solution would be to hide from the user the details of the resources involved i... | e-commerce transactions;multiple information resources;semantic b2b integration;information integration;queries;information retrieval;ontology-based approaches;heterogeneous electronic product catalogues | |
train_1847 | Conceptual modeling and specification generation for B2B business processes | based on ebXML In order to support dynamic setup of business processes among independent organizations, a formal standard schema for describing the business processes is basically required. The ebXML framework provides such a specification schema called BPSS (Business Process Specification Schema) which is available in... | ebdesigner;business process specification schema;conceptual modeling;ebxml;uml-compliant diagrams;specification generation;business process editor;meta model;formal standard schema;b2b business processes | |
train_1848 | Contracting in the days of ebusiness | Putting electronic business on a sound foundation-model theoretically as well as technologically-is a central challenge for research as well as commercial development. This paper concentrates on the discovery and negotiation phase of concluding an agreement based on a contract. We present a methodology for moving seaml... | contract negotiation phase;sequences;contract templates;many-to-many relationship;discovery phase;nested sub-structure;mereologic;implications;one-to-one relationship;electronic business;contracting | |
train_1849 | An active functionality service for e-business applications | Service based architectures are a powerful approach to meet the fast evolution of business rules and the corresponding software. An active functionality service that detects events and involves the appropriate business rules is a critical component of such a service-based middleware architecture. In this paper we prese... | business rules;personalized driver portals;personalized car portals;heterogeneous environments;auction application;ontology based approach;internet-enabled vehicles;software;publish/subscribe notification mechanism;service-based middleware architecture;event detection;e-business applications;semantic interpretation;act... | |
train_185 | Property testers for dense Constraint Satisfaction programs on finite domains | Many NP-hard languages can be "decided" in subexponential time if the definition of "decide" is relaxed only slightly. Rubinfeld and Sudan introduced the notion of property testers, probabilistic algorithms that can decide, with high probability, if a function has a certain property or if it is far from any function ha... | dense instances;constraint satisfaction problem;subexponential time;randomized sampling;constraint satisfaction;graph problems;np-hard languages;property testers;constant query complexity;probabilistic algorithms | |
train_1850 | The n-tier hub technology | During 2001, the Enterprise Engineering Laboratory at George Mason University was contracted by the Boeing Company to develop an eHub capability for aerospace suppliers in Taiwan. In a laboratory environment, the core technology was designed, developed, and tested, and now a large first-tier aerospace supplier in Taiwa... | multi-tier heterogeneous data processing environments;business scenario;boeing company;n-tier hub technology;xml-based business transaction flows;taiwan;network transport mechanisms;small and medium enterprises;supplier adoption;aerospace suppliers;first-tier suppliers | |
train_1851 | Supporting global user profiles through trusted authorities | Personalization generally refers to making a Web site more responsive to the unique and individual needs of each user. We argue that for personalization to work effectively, detailed and interoperable user profiles should be globally available for authorized sites, and these profiles should dynamically reflect changes ... | trusted authorities;privacy;namespace qualifier;user click stream;telecommunication networks;internet;platform for privacy preferences standard;resource description framework;user agent;navigational history log file;globally unique user id/password identification;xml;personalization;global user profiles;web site;mobile... | |
train_1852 | The design and performance evaluation of alternative XML storage strategies | This paper studies five strategies for storing XML documents including one that leaves documents in the file system, three that use a relational database system, and one that uses an object manager. We implement and evaluate each approach using a number of XQuery queries. A number of interesting insights are gained fro... | file system;xml document storage;xquery queries;relational database system;performance evaluation;object manager | |
train_1853 | CherylAnn Silberer: all about process [accounting technologist] | Silberer's company, CompLete, is making a specialty of workflow process analysis | complete;workflow process analysis;accounting technologist | |
train_1854 | Software Technology: looking for quality accountants | Software Technology wants to turn 23 years of reselling experience in the legal business into an asset in the accounting market | software technology;accounting market;reselling | |
train_1855 | Distribution software: ROI is king | Middle-market accounting software vendors are taking to the open road, by way of souped-up distribution suites that can track product as it wends its way from warehouse floor to customer site. Integration provides efficiencies, and cost savings | distribution;accounting software;warehouse management | |
train_1856 | Tax forms: CD or not CD? | The move from CD to the Web looks unstoppable. Besides counting how many thousands of electronic tax forms they offer, vendors are rapidly moving those documents to the Web | web;cch perform plus h;electronic tax forms;ria eform;universal tax systems forms complete;stf services superform;nelco laserlibrarian ii;atx forms zillion forms;kleinrock forms library plus | |
train_1858 | Account aggregation: shaping up portfolios | CPA providers of financial planning services are providing clients with a unified view of their investments | financial planning services;account aggregation | |
train_1859 | Practice management goes remote [accounting] | There's a lot of life in accounting practice management software, a valuable category that has been subject to much change in the last few years. Web-based time tracking grows in popularity. Looks at CCH ProSystem fx Practice, CMS Open Solutions 6, Creative Solutions Practice, Time Matters, CPASoftware Visual Practice ... | web-based time tracking;cms open solutions 6;cpasoftware visual practice management;abak;creative solutions practice;cch prosystem fx practice;accounting practice management software;time matters | |
train_186 | The diameter of a long-range percolation graph | We consider the following long-range percolation model: an undirected graph with the node set {0, 1, . . . , N}/sup d/, has edges (x, y) selected with probability approximately= beta /||x - y||/sup s/ if ||x - y|| > 1, and with probability 1 if ||x - y|| = 1, for some parameters beta , s > 0. This model was introduced ... | positive probability;undirected graph;random graph;probability;networks;percolation;long-range percolation model | |
train_1860 | The art of the cross-sell [accounting software] | With the market for accounting software nearing saturation, vendors are training resellers in the subtleties of the cross-sell. The rewards can be great. The key is knowing when to focus, and when to partner | resellers;cross-selling;accounting software | |
train_1861 | Technology in distance education: a global perspective to alternative delivery | mechanisms Technology is providing a positive impact on delivery mechanisms employed in distance education at the university level. Some institutions are incorporating distance education as a way to extend the classroom. Other institutions are investigating new delivery mechanisms, which support a revised perspective o... | student satisfaction;distance education;university education;learner centered approach;global perspective;asynchronous mode;educational technology | |
train_1862 | Global comparison of stages of growth based on critical success factors | With increasing globalization of business, the management of IT in international organizations is faced with the complex task of dealing with the difference between local and international IT needs. This study evaluates, and compares, the level of IT maturity and the critical success factors (CSFs) in selected geograph... | asia/pacific;business success;india;critical success factors;local it needs;australia;it maturity;europe;international it needs;north america;optimal local-global mix;business globalization;new zealand;it management;norway | |
train_1863 | Information systems project failure: a comparative study of two countries | Many organizations, regardless of size, engage in at least one, and often many information system projects each year. Many of these projects consume massive amounts of resources, and may cost as little as a few thousand dollars to ten, and even hundreds of millions of dollars. Needless to say, the investment of time an... | australia;information systems project failure;end user involvement;executive management leadership;united states | |
train_1864 | Cultural differences in developers' perceptions of information systems success | factors: Japan vs. the United States The study examined the perceptions of information systems (IS) developers from Japan and the United States regarding the strategies that are considered most important for successful implementation of an IS. The results of principal component analysis revealed that the IS strategies ... | communication;united states;principal component analysis;japan;cultural differences;information systems developer perceptions;management/user input;proper technology;project leader characteristics;is project;team member characteristics;information systems success factors | |
train_1865 | Towards the globalisation of the IS/IT function | The IS/IT function has recently emerged from the peripheral aspects of the finance department to the centre of critical organisational change. There is an increasing dependency on its activities as systems extend beyond supporting the internal efficiency of the organisation to augmenting global performance. The growth ... | internet;wide area networks;knowledge based communities;electronic exchange;internal marketing strategies;international trade;is/it function;e-commerce;globalisation;local area networks | |
train_1866 | Tracking with sensor failures | Studies the reliability with sensor failures of the asymptotic tracking problem for linear time invariant systems using the factorization approach. The plant is two-output and the compensator is two-degree-of-freedom. Necessary and sufficient conditions are presented for the general problem and a simple solution is giv... | linear time invariant systems;necessary and sufficient conditions;asymptotic tracking problem;two-output plant;sensor failures;factorization approach;two-degree-of-freedom compensator;reliability | |
train_1867 | Optimization-based design of fixed-order controllers for command following | For discrete-time scalar systems, we propose an approach for designing feedback controllers of fixed order to minimize an upper bound on the peak magnitude of the tracking error to a given command input. The work makes use of linear programming to design over a class of closed-loop systems proposed for the rejection of... | closed-loop systems;coprime factor uncertainty;guaranteed upper bound;linear programming;fixed-order controllers;command following;tracking error;performance robustness;optimization-based design;feedback controllers;discrete-time scalar systems | |
train_1868 | Estimation of an N-L-N Hammerstein-Wiener model | Estimation of a single-input single-output block-oriented model is studied. The model consists of a linear block embedded between two static nonlinear gains. Hence, it is called an N-L-N Hammerstein-Wiener model. First, the model structure is motivated and the disturbance model is discussed. The paper then concentrates... | bilinear-in-parameters error;nonlinear process;n-l-n hammerstein-wiener model;disturbance model;linear block;convergence;frequency weighted model reduction;model structure;relaxation iteration scheme;variance error;parameter estimation;static nonlinear gains;single-input single-output block-oriented model;consistency | |
train_1869 | Stability and L/sub 2/ gain properties of LPV systems | Stability and L/sub 2/ gain properties of linear parameter-varying systems are obtained under assumed bounds on either the maximum or average value of the parameter rate | parameter rate;linear parameter-varying systems;gain scheduled control;l/sub 2/ gain properties;gromwall-bellman inequality;stability | |
train_187 | Control of a thrust-vectored flying wing: a receding horizon - LPV approach | This paper deals with the application of receding horizon methods to hover and forward flight models of an experimental tethered flying wing developed at Caltech. The dynamics of the system are representative of a vertical landing and take off aircraft, such as a Harrier around hover, or a thrust-vectored aircraft such... | x-31;caltech;stability guarantee;f18-harv;nonlinear system;forward flight models;thrust-vectored aircraft;numerical simulations;receding horizon-lpv approach;vertical landing take off aircraft;quasi-lpv methods;tethered flying wing;hover flight models;terminal cost;harrier around hover;thrust-vectored flying wing contr... | |
train_1870 | Robust control of nonlinear systems with parametric uncertainty | Probabilistic robustness analysis and synthesis for nonlinear systems with uncertain parameters are presented. Monte Carlo simulation is used to estimate the likelihood of system instability and violation of performance requirements subject to variations of the probabilistic system parameters. Stochastic robust control... | performance requirements violation;probabilistic robustness synthesis;probabilistic robustness analysis;modified feedback linearization control;stochastic control synthesis;monte carlo simulation;uncertain parameters;parametric uncertainty;system instability;genetic algorithm;robust control;nonlinear systems;input-to-s... | |
train_1871 | Strong and weak points of the MUSCADET theorem prover-examples from CASC-JC | MUSCADET is a knowledge-based theorem prover based on natural deduction. It has participated in CADE Automated theorem proving System Competitions. The results show its complementarity with regard to resolution-based provers. This paper presents some of its crucial methods and gives some examples of MUSCADET proofs fro... | muscadet;resolution-based provers;knowledge-based theorem prover;casc-jc;natural deduction;cade automated theorem proving system competitions | |
train_1872 | TPTP, CASC and the development of a semantically guided theorem prover | The first-order theorem prover SCOTT has been through a series of versions over some ten years. The successive provers, while retaining the same underlying technology, have used radically different algorithms and shown wide differences of behaviour. The development process has depended heavily on experiments with probl... | casc;first-order theorem prover;tptp library;semantically guided theorem prover;experimental methodology;proof searches;scott;semantically constrained otter | |
train_1873 | A phytography of WALDMEISTER | The architecture of the WALDMEISTER prover for unit equational deduction is based on a strict separation of active and passive facts. After an inspection of the system's proof procedure, the representation of each of the central data structures is outlined, namely indexing for the active facts, compression for the pass... | future prospects;passive facts;indexing;redundancy;cade atp system competition;hypotheses;phytography;unit equational deduction;inference;waldmeister;data structures;active facts;large search spaces;theorem prover | |
train_1874 | E - a brainiac theorem prover | We describe the superposition-based theorem prover E. E is a sound and complete prover for clausal first order logic with equality. Important properties of the prover include strong redundancy elimination criteria, the DISCOUNT loop proof procedure, a very flexible interface for specifying search control heuristics, an... | search control heuristics;casc;e automatic theorem prover;completeness;soundness;superposition-based theorem prover;discount;strong redundancy elimination criteria;clausal first order logic;loop proof procedure;cade atp system competitions;inference engine;rewriting;brainiac theorem prover;equality | |
train_1875 | The design and implementation of VAMPIRE | We describe VAMPIRE: a high-performance theorem prover for first-order logic. As our description is mostly targeted to the developers of such systems and specialists in automated reasoning, it focuses on the design of the system and some key implementation features. We also analyze the performance of the prover at CASC... | first-order logic;resolution theorem proving;performance evaluation;casc-jc;automated reasoning;high-performance theorem prover;vampire | |
train_1876 | The development of CASC [automated theorem proving] | Researchers who make theoretical advances also need some way to demonstrate that an advance really does have general, overall positive consequences for system performance. For this it is necessary to evaluate the system on a set of problems that is sufficiently large and diverse to be somehow representative of the inte... | automated theorem proving;casc;ai;automated deduction;system performance;cade atp system competition;artificial intelligence;system evaluation;classical first order logic | |
train_1877 | Strong completeness of lattice-valued logic | This paper shows strong completeness of the system L for lattice valued logic given by S. Titani (1999), in which she formulates a lattice-valued set theory by introducing the logical implication which represents the order relation on the lattice. Syntax and semantics concerned are described and strong completeness is ... | order relation;strong completeness;semantics;lattice-valued set theory;lattice-valued logic;syntax | |
train_1878 | Max and min limiters | If A contained in omega , n>or=2, and the function max({x/sub 1/,...,x/sub n/} intersection A) is partial recursive, it is easily seen that A is recursive. In this paper, we weaken this hypothesis in various ways (and similarly for "min" in place of "max") and investigate what effect this has on the complexity of A. We... | max limiters;recursive set;complexity;retraceable sets;min limiters | |
train_1879 | On the distribution of Lachlan nonsplitting bases | We say that a computably enumerable (c.e.) degree b is a Lachlan nonsplitting base (LNB), if there is a computably enumerable degree a such that a>b, and for any c.e. degrees w, v<or=a, if a<or=wVvV b then either a<or=wV b or a<or=vV b. In this paper we investigate the relationship between bounding and nonbounding of L... | turing degrees;computably enumerable degree;lachlan nonsplitting bases distribution | |
train_188 | Sampled-data implementation of a gain scheduled controller | A continuous-time gain-scheduled controller must be transformed to a corresponding discrete-time controller for sampled-data implementation. We show that certain linearization properties of a continuous-time gain scheduled controller are inherited by its sampled-data implementation. We also show that a similar relation... | discrete-time controller;linearization properties;gain scheduled controller;flight control applications;continuous-time gain-scheduled controller;sampled-data implementation;multi-rate gain scheduled controllers | |
train_1880 | Simulation and transient testing of numerical relays | A hybrid and practical solution for relay evaluation is presented. Two main issues are taken into account: power system simulation and relay simulation, both of which consist of different stages. System simulation is carried out by means of EMTP and is complemented by additional features, such as filtering for location... | filtering algorithms;decision logic;emtp;real faults;relay evaluation;numerical relays;relay simulation;filtering;simulated faults;fault location;relay testing;power system simulation | |
train_1881 | Stabilization of positive systems with first integrals | Positive systems possessing first integrals are considered. These systems frequently occur in applications. The paper is devoted to two stabilization problems. The first is concerned with the design of feedbacks to stabilize a given level set. Secondly, it is shown that the same feedback allows us to globally stabilize... | feedbacks design;asymptotic stability;chemical reactors;global stabilization;first integrals;positive systems;equilibrium point | |
train_1882 | Bandwidth vs. gains design of H/sub infinity / tracking controllers for | current-fed induction motors Describes a systematic procedure for designing speed and rotor flux norm tracking H/sub infinity /. controllers with unknown load torque disturbances for current-fed induction motors. A new effective design tool is developed to allow selection of the control gains so as to adjust the distur... | closed-loop system;current-fed induction motors;observers;unknown load torque disturbances;rotor flux norm controllers;h/sub infinity / tracking controllers;feedback linearization;design tool;disturbances rejection capability;bandwidth requirements;speed controllers | |
train_1883 | Analysis of exclusively kinetic two-link underactuated mechanical systems | Analysis of exclusively kinetic two-link underactuated mechanical systems is undertaken. It is first shown that such systems are not full-state feedback linearizable around any equilibrium point. Also, the equilibrium points for which the system is small-time locally controllable (STLC) is at most a one-dimensional sub... | equilibrium points;small-time local output controllability;nonminimum phase;small-time locally controllable system;exclusively kinetic two-link underactuated mechanical systems;one-dimensional submanifold | |
train_1884 | Observer-based strict positive real (SPR) feedback control system design | Presents theory for stability analysis and design for a class of observer-based feedback control systems. Relaxation of the controllability and observability conditions imposed in the Yakubovich-Kalman-Popov lemma can be made for a class of nonlinear systems described by a linear time-invariant system with a feedback-c... | linear time-invariant system;closed-loop system;robustness characteristics;yakubovich-kalman-popov lemma;cone-bounded nonlinearity;control system design;state feedback control;circle-criterion approach;nonlinear systems;stability analysis;observer-based strict positive real feedback control system;feedback-connected co... | |
train_1885 | Analysis of nonlinear time-delay systems using modules over non-commutative | rings The theory of non-commutative rings is introduced to provide a basis for the study of nonlinear control systems with time delays. The left Ore ring of non-commutative polynomials defined over the field of a meromorphic function is suggested as the framework for such a study. This approach is then generalized to a... | modules;meromorphic function;left ore ring;noncommutative polynomials;noncommutative rings;nonlinear control systems;weak observability;nonlinear time-delay systems;generalized roesser systems | |
train_1886 | Non-asymptotic confidence ellipsoids for the least-squares estimate | We consider the finite sample properties of least-squares system identification, and derive non-asymptotic confidence ellipsoids for the estimate. The shape of the confidence ellipsoids is similar to the shape of the ellipsoids derived using asymptotic theory, but unlike asymptotic theory, they are valid for a finite n... | least-squares system identification;data points;finite sample properties;least-squares estimate;nonasymptotic confidence ellipsoids;model order;data generating mechanism;probability | |
train_1887 | Doubly invariant equilibria of linear discrete-time games | The notion of doubly invariant (DI) equilibrium is introduced. The concept extends controlled and robustly controlled invariance notions to the context of two-person dynamic games. Each player tries to keep the state in a region of state space independently of the actions of the rival player. The paper gives existence ... | macroeconomics;two-person dynamic games;fault-tolerant controller synthesis;doubly invariant equilibria;state space;existence conditions;robustly controlled invariance;linear discrete-time games | |
train_1888 | L/sub 2/ model reduction and variance reduction | We examine certain variance properties of model reduction. The focus is on L/sub 2/ model reduction, but some general results are also presented. These general results can be used to analyze various other model reduction schemes. The models we study are finite impulse response (FIR) and output error (OE) models. We com... | variance reduction;identification;l/sub 2/ model reduction;fir models;output error models;finite impulse response models | |
train_1889 | Sliding mode dynamics in continuous feedback control for distributed | discrete-event scheduling A continuous feedback control approach for real-time scheduling of discrete events is presented motivated by the need for control theoretic techniques to analyze and design such systems in distributed manufacturing applications. These continuous feedback control systems exhibit highly nonlinea... | control theoretic techniques;highly nonlinear discontinuous dynamics;resource capacity;distributed discrete-event scheduling;continuous feedback control;distributed manufacturing applications;production demand;real-time scheduling;sliding mode dynamics | |
train_189 | Identification of linear parameter varying models | We consider identification of a certain class of discrete-time nonlinear systems known as linear parameter varying system. We assume that inputs, outputs and the scheduling parameters are directly measured, and a form of the functional dependence of the system coefficients on the parameters is known. We show how this i... | least mean square algorithms;identification;parameter trajectories;persistency of excitation conditions;discrete-time nonlinear systems;scheduling parameter trajectories;recursive least-squares algorithms;functional dependence;polynomial interpolation interpretation;system coefficients;scheduling parameters;linear regr... | |
train_1890 | Robustness of trajectories with finite time extent | The problem of estimating perturbation bounds of finite trajectories is considered. The trajectory is assumed to be generated by a linear system with uncertainty characterized in terms of integral quadratic constraints. It is shown that such perturbation bounds can be obtained as the solution to a nonconvex quadratic o... | robustness analysis;uncertainty;nonconvex quadratic optimization problem;trajectories robustness;perturbation bounds;switched dynamical systems;hybrid systems;integral quadratic constraints;lagrange relaxation;linear system;finite time extent | |
train_1891 | On trajectory and force tracking control of constrained mobile manipulators | with parameter uncertainty Studies the trajectory and force tracking control problem of mobile manipulators subject to holonomic and nonholonomic constraints with unknown inertia parameters. Adaptive controllers are proposed based on a suitable reduced dynamic model, the defined reference signals and the mixed tracking... | force tracking control;holonomic constraints;asymptotic convergence;mixed tracking errors;trajectory control;nonholonomic constraints;position control;constrained mobile manipulators;reduced dynamic model;mobile robots;adaptive controllers;parameter uncertainty | |
train_1892 | Closed-loop persistent identification of linear systems with unmodeled dynamics | and stochastic disturbances The essential issues of time complexity and probing signal selection are studied for persistent identification of linear time-invariant systems in a closed-loop setting. By establishing both upper and lower bounds on identification accuracy as functions of the length of observation, size of ... | stochastic disturbances;closed-loop persistent identification;identification accuracy;upper bounds;time complexity;full rank periodic signals;unmodeled dynamics;lower bounds;linear time-invariant systems;probing signal selection | |
train_1893 | Closed-loop model set validation under a stochastic framework | Deals with probabilistic model set validation. It is assumed that the dynamics of a multi-input multi-output (MIMO) plant is described by a model set with unstructured uncertainties, and identification experiments are performed in closed loop. A necessary and sufficient condition has been derived for the consistency of... | stabilizing controller;complex vector;unstructured uncertainties;stochastic framework;asymptotic statistical properties;euclidean norm;closed-loop model set validation;probabilistic model set validation;mimo plant;closed-loop frequency domain experimental data;robust control;multi-input multi-output plant;necessary and... | |
train_1894 | Switching controller design via convex polyhedral Lyapunov functions | We propose a systematic switching control design method for a class of nonlinear discrete time hybrid systems. The novelty of the adopted approach is in the fact that unlike conventional control the control burden is shifted to a logical level thus creating the need for the development of new analysis/design methods | convex polyhedral lyapunov functions;nonlinear discrete time hybrid systems;switching controller design;systematic design method | |
train_1895 | An algorithm combining neural networks with fundamental parameters | An algorithm combining neural networks with the fundamental parameters equations (NNFP) is proposed for making corrections for non-linear matrix effects in x-ray fluorescence analysis. In the algorithm, neural networks were applied to relate the concentrations of components to both the measured intensities and the rela... | algorithm;complex multivariate system;fe;ni;x-ray fluorescence analysis;fundamental parameters;lachance-traill model;intensities;alloy system;cr;cola algorithm;neural networks;nnfp algorithm;hyperbolic function model;theoretical correction models;fundamental parameters equations;nonlinear matrix effects | |
train_1896 | The dynamics of a railway freight wagon wheelset with dry friction damping | We investigate the dynamics of a simple model of a wheelset that supports one end of a railway freight wagon by springs with linear characteristics and dry friction dampers. The wagon runs on an ideal, straight and level track with constant speed. The lateral dynamics in dependence on the speed is examined. We have inc... | lateral dynamics;hysteresis;stick-slip;linear characteristics;coulomb law;longitudinal component;dry friction damping;railway freight wagon wheelset;dynamics;bifurcation diagram | |
train_1897 | User-appropriate tyre-modelling for vehicle dynamics in standard and limit | situations When modelling vehicles for the vehicle dynamic simulation, special attention must be paid to the modelling of tyre forces and -torques, according to their dominant influence on the results. This task is not only about sufficiently exact representation of the effective forces but also about user-friendly and... | semi-empirical model;multi-body-systems;simulated steady state tyre characteristics;tmeasy;standard situations;vehicle dynamics;standardized driving manoeuvre;tyre modelling;tyre torques;standard tyre interface;heavy truck;passenger car;limit situations | |
train_1898 | Design of a stroke dependent damper for the front axle suspension of a truck | using multibody system dynamics and numerical optimization A stroke dependent damper is designed for the front axle suspension of a truck. The damper supplies extra damping for inward deflections rising above 4 cm. In this way the damper should reduce extreme suspension deflections without deteriorating the comfort of ... | sequential linear programming;damping;acceleration bound;inward deflections;multibody system dynamics;full-scale model;truck comfort;numerical optimization;extreme suspension deflections;truck semi-trailer combination;front axle suspension;incidental road disturbances;chassis acceleration;vehicle model simulation;road ... | |
train_1899 | Human face detection in visual scenes using neural networks | This paper presents a neural network based face detection system. Our objective is to design a system that can detect human faces in visual scenes at high searching speed and accuracy. We used a neural network with a simple structure but trained using face and non-face samples preprocessed by several methods (position ... | neural network;visual scene;down-sampling;face detecting system;self organizing maps;merging overlapping detections;skin color detector;human face recognition;backpropagation | |
train_19 | Decentralized adaptive output feedback stabilization for a class of | interconnected systems with unknown bound of uncertainties The problem of adaptive decentralized stabilization for a class of linear time-invarying large-scale systems with nonlinear interconnectivity and uncertainties is discussed. The bounds of uncertainties are assumed to be unknown. For such uncertain dynamic syste... | closed-loop systems;large scale systems;uncertain dynamic systems;adaptive decentralized stabilization;robust control | |
train_190 | On the design of gain-scheduled trajectory tracking controllers [AUV | application] A new methodology is proposed for the design of trajectory tracking controllers for autonomous vehicles. The design technique builds on gain scheduling control theory. An application is made to the design of a trajectory tracking controller for a prototype autonomous underwater vehicle (AUV). The effective... | nonlinear equations of motion;control laws;gain scheduling control theory;gain-scheduled trajectory tracking controller design;autonomous underwater vehicle;autonomous vehicles | |
train_1900 | Robust L/sub 2/ disturbance attenuation for nonlinear systems with input | dynamical uncertainty Deals with the problem of robust L/sub 2/ disturbance attenuation for nonlinear systems with input dynamical uncertainty. The input dynamical uncertainty is restricted to be minimum-phase and relative degree zero. A sufficient condition. is given such that the nonlinear system satisfies the L/sub ... | nominal system;sufficient condition;smooth state feedback control law;robust l/sub 2/ disturbance attenuation;design approach;input-to-state stable property;robust control;nonlinear systems;input dynamical uncertainty;l/sub 2/ gain performance | |
train_1901 | FC++: Functional tools for object-oriented tasks | FC++ is a library for programming functionally in C++. Compared to other C++ functional programming libraries, FC++ is distinguished by its powerful type system which allows the manipulation of parametrically polymorphic functions (e.g., passing them as arguments to other functions and returning them as results). In th... | functional programming;c++;parametric polymorphism;library;object-oriented programming;fc++ | |
train_1902 | Engineering plug-in software components to support collaborative work | Many software applications require co-operative work support, including collaborative editing, group awareness, versioning, messaging and automated notification and co-ordination agents. Most approaches hard-code such facilities into applications, with fixed functionality and limited ability to reuse groupware implemen... | co-operative work support;collaborative work tools;plug-in software components;collaborative editing;versioning;automated notification;groupware;software applications;group awareness;messaging | |
train_1903 | The BLISS programming language: a history | The BLISS programming language was invented by William A. Wulf and others at Carnegie-Mellon University in 1969, originally for the DEC PDP-10. BLISS-10 caught the interest of Ronald F. Brender of DEC (Digital Equipment Corporation). After several years of collaboration, including the creation of BLISS-11 for the PDP-1... | system implementation language;machine-oriented language;compile-time language;data structure definition;bliss programming language;portable programming | |
train_1904 | Component support in PLT scheme | PLT Scheme (DrScheme and MzScheme) supports the Component Object Model (COM) standard with two pieces of software. The first piece is MzCOM, a COM class that makes a Scheme evaluator available to COM clients. With MzCOM, programmers can embed Scheme code in programs written in mainstream languages such as C++ or Visual... | mzcom;web browser;reuse;plt scheme;component object model | |
train_1905 | Tool and process improvements from MFC control system technology | A new approach to MFC calibration links the physical parameters of nitrogen to the physical characteristics of various process gases. This precludes the conventional need for surrogate gases. What results is a physics-based tuning algorithm and enhanced digital control system that enables rearranging and gas change of ... | process control;tuning algorithm;digital control;calibration;tool technology;mfc control system technology;process gas;semiconductor fab;n/sub 2/;gas flow;mass flow controller;surrogate gas | |
train_1906 | Integrated process control using an in situ sensor for etch | The migration to tighter geometries and more complex process sequence integration schemes requires having the ability to compensate for upstream deviations from target specifications. Doing so ensures that-downstream process sequences operate on work-in-progress that is well within control. Because point-of-use visibil... | complex process sequence integration schemes;upstream deviation compensation;point-of-use visibility;digital signal processing;interferometry;interferometric in situ etch sensor;downstream process sequences;wafer manufacturing environment;work-in-progress quality;yield improvement;scrap reduction;target specifications;... | |
train_1907 | Multiple comparison methods for means | Multiple comparison methods (MCMs) are used to investigate differences between pairs of population means or, more generally, between subsets of population means using sample data. Although several such methods are commonly available in statistical software packages, users may be poorly informed about the appropriate me... | error rate;single-step procedures;step-down procedures;sales management;population means;multiple comparison procedures;pack-age design | |
train_1908 | Explicit solutions for transcendental equations | A simple method to formulate an explicit expression for the roots of any analytic transcendental function is presented. The method is based on Cauchy's integral theorem and uses only basic concepts of complex integration. A convenient method for numerically evaluating the exact expression is presented. The application ... | transcendental equations;complex integration;singularity;analytic functions;cauchy integral theorem;polynomial;fourier transform;root finding | |
train_1909 | Breast MR imaging with high spectral and spatial resolutions: preliminary | experience The authors evaluated magnetic resonance (MR) imaging with high spectral and spatial resolutions (HSSR) of water and fat in breasts of healthy volunteers (n=6) and women with suspicious lesions (n=6). Fat suppression, edge delineation, and image texture were improved on MR images derived from HSSR data compa... | women;small voxels;image texture;magnetic resonance imaging data;suspicious lesions;high spectral spatial resolutions;edge delineation;magnetic resonance images;breast magnetic resonance imaging;contrast medium injection;fat suppression;healthy volunteers;water resonances | |
train_191 | Linear, parameter-varying control and its application to a turbofan engine | This paper describes application of parameter-dependent control design methods to a turbofan engine. Parameter-dependent systems are linear systems, whose state-space descriptions are known functions of time-varying parameters. The time variation of each of the parameters is not known in advance, but is assumed to be m... | h/sub infinity / framework;nonlinear simulations;closed-loop system;parameter-dependent quadratic lyapunov function;small gain theorem;decoupled command response;state-space descriptions;model matching problem;linear parameter-varying control;turbofan engine;robustness bounds;parameter-dependent control design methods;... | |
train_1910 | Breast cancer: effectiveness of computer-aided diagnosis-observer study with | independent database of mammograms Evaluates the effectiveness of a computerized classification method as an aid to radiologists reviewing clinical mammograms for which the diagnoses were unknown to both the radiologists and the computer. Six mammographers and six community radiologists participated in an observer stud... | performances;community radiologists;statistical significance;two-tailed p values;student t test;mammographers;trained computer classification scheme;breast cancer;malignant masses;computer-aided diagnosis;diagnostic accuracy;radiologist observers;benign masses;average performance;clinical mammograms;receiver operating ... | |
train_1911 | Pulmonary perfusion patterns and pulmonary arterial pressure | Uses artificial intelligence methods to determine whether quantitative parameters describing the perfusion image can be synthesized to make a reasonable estimate of the pulmonary arterial (PA) pressure measured at angiography. Radionuclide perfusion images were obtained in 120 patients with normal chest radiographs who... | 48 pa;normal chest radiographs;quantitative parameters;statistical characteristics;boundary characteristics;physiologic information;29 pa;radionuclide perfusion images;pulmonary perfusion patterns;accuracy;leave-one-out cross-validation technique;visual image inspection;pearson correlation coefficient;image parameters;... | |
train_1912 | A novel preterm respiratory mechanics active simulator to test the performances | of neonatal pulmonary ventilators A patient active simulator is proposed which is capable of reproducing values of the parameters of pulmonary mechanics of healthy newborns and preterm pathological infants. The implemented prototype is able to: (a) let the operator choose the respiratory pattern, times of apnea, episod... | pressure transducer;pneumatic/mechanical unit;accuracy;ventilatory support;healthy newborns;intensive care equipment;double compartment model;neonatal pulmonary ventilators;artificial trachea;preterm pathological infants;upper airway resistance;patient active simulator;electronic unit;apnea times;variable clamp resista... | |
train_1913 | A six-degree-of-freedom precision motion stage | This article presents the design and performance evaluation of a six-degree-of-freedom piezoelectrically actuated fine motion stage that will be used for three dimensional error compensation of a long-range translation mechanism. Development of a single element, piezoelectric linear displacement actuator capable of tra... | single element piezoelectric linear displacement actuator;platform payload;650.0 gm;finite element methods;162 hz;1.67 micron;0.93 to -0.93 micron;1000 v;3d error compensation;performance evaluation;long-range translation mechanism;fundamental mode resonance;impulse response;design;stage platform;resonant frequency;pie... | |
train_1914 | Vacuum-compatible vibration isolation stack for an interferometric | gravitational wave detector TAMA300 Interferometric gravitational wave detectors require a large degree of vibration isolation. For this purpose, a multilayer stack constructed of rubber and metal blocks is suitable, because it provides isolation in all degrees of freedom at once. In TAMA300, a 300 m interferometer in ... | gas-tight bellows;metal blocks;ground strain;interferometric gravitational wave detectors;vibration isolation stack;300 m;thermal actuator;ultrahigh vacuum environment;long-term dimensional stability;thermal drift;10/sup -6/ pa;rubber blocks;rubber outgassing;multilayer stack;300 hz;operating point;tama300 interferomet... | |
train_1915 | Multichannel scaler for general statistical analysis of dynamic light | scattering A four channel scaler for counting applications has been designed and built using a standard high transfer rate parallel computer interface bus parallel data card. The counter section is based on standard complex programmable logic device integrated circuits. With a 200 MHz Pentium based host PC a sustained ... | dynamic light scattering;pentium based host pc;standard high transfer rate parallel computer interface;optical spectroscopic techniques;200 mhz;correlation spectroscopy;200 ns;interface bus parallel data card;photon signal statistical properties;complex programmable logic device;standard cpld ics;windowed fourier trans... | |
train_1916 | Changes in the entropy and the Tsallis difference information during | spontaneous decay and self-organization of nonextensive systems A theoretical-information description of self-organization processes during stimulated transitions between stationary states of open nonextensive systems is presented. S/sub q/- and I/sub q/-theorems on changes of the entropy and Tsallis difference informa... | tsallis difference information;control parameters;nonextensive statistical mechanics;stimulated transitions;information measures;spontaneous decay;entropy;nonextensive systems;self-organization | |
train_1917 | Design and modeling of an interval-based ABR flow control protocol | A novel flow control protocol is presented for availability bit rate (ABR) service in asynchronous transfer mode (ATM) networks. This scheme features periodic explicit rate feedback that enables precise allocation of link bandwidth and buffer space on a hop-by-hop basis to guarantee maximum throughput, minimum cell los... | linear system modeling;buffer space allocation;periodic explicit rate feedback;design;signaling;high-speed backbone networking scenarios;atm networks;maximum throughput;resource management cell consolidation algorithms;link bandwidth allocation;high-speed abr connections;point-to-multipoint services;resource management... | |
train_1918 | Negotiating the semantics of agent communication languages | This article presents a formal framework and outlines a method that autonomous agents can use to negotiate the semantics of their communication language at run-time. Such an ability is needed in open multi-agent systems so that agents can ensure they understand the implications of the utterances that are being made and... | multi-agent systems;semantic space;communication language;autonomous agents;semantic fixing;social interactions | |
train_1919 | Toward a formalism for conversation protocols using joint intention theory | Conversation protocols are used to achieve certain goals or to bring about certain states in the world. Therefore, one may identify the landmarks or the states that must be brought about during the goal-directed execution of a protocol. Accordingly, the landmarks, characterized by propositions that are true in the stat... | finite state machines;automatic exception handling;conversation protocols;protocol execution;multi-agent interactions;correctness criterion | |
train_192 | New Jersey African American women writers and their publications: a study of | identification from written and oral sources This study examines the use of written sources, and personal interviews and informal conversations with individuals from New Jersey's religious, political, and educational community to identify African American women writers in New Jersey and their intellectual output. The f... | new jersey african american women writers;written sources;informal conversations;local writers;intellectual output;special collections;personal interviews;collection development;history;oral repository | |
train_1920 | To commit or not to commit: modeling agent conversations for action | Conversations are sequences of messages exchanged among interacting agents. For conversations to be meaningful, agents ought to follow commonly known specifications limiting the types of messages that can be exchanged at any point in the conversation. These specifications are usually implemented using conversation poli... | social commitments;rules of inference;speech acts;conversation protocols;conversation templates;autonomous agents;specifications;interacting agents;software agents | |
train_1921 | An ACL for a dynamic system of agents | In this article we present the design of an ACL for a dynamic system of agents. The ACL includes a set of conversation performatives extended with operations to register, create, and terminate agents. The main design goal at the agent-level is to provide only knowledge-level primitives that are well integrated with the... | agents;actors;anonymous interaction protocol;acl;dynamic system;agent communication languages;dynamic system of agents;distributed facilitator;system of agents | |
train_1922 | Trends in agent communication language | Agent technology is an exciting and important new way to create complex software systems. Agents blend many of the traditional properties of AI programs - knowledge-level reasoning, flexibility, proactiveness, goal-directedness, and so forth - with insights gained from distributed software engineering, machine learning... | teamwork;semantics;agent communication language;agent societies;conversations;distributed software engineering;negotiation;social sciences;machine learning;agent technology;ai programs;kqml;inter-agent communication | |
train_1923 | Predictive control of a high temperature-short time pasteurisation process | Modifications on the dynamic matrix control (DMC) algorithm are presented to deal with transfer functions with varying parameters in order to control a high temperature-short time pasteurisation process. To control processes with first order with pure time delay models whose parameters present an exogenous variable dep... | free response calculation;time delay models;disturbance rejection;nonlinear models;generalised hammerstein model description;predictive control;exogenous variable dependence;multiple model information;dynamic matrix control algorithm;high temperature-short time pasteurisation process;first order processes;reference tra... | |
train_1924 | Existence theorems for nonconvex problems of variational calculus | A solution to a variational calculus problem is studied under the conditions of integrant convexity. The existence theorem is proved. As an example, a function is given, which satisfies all the conditions of the theorem but is not convex | nonconvex problems;variational calculus;integrant convexity;existence theorems | |
train_1925 | On the accuracy of polynomial interpolation in Hilbert space with disturbed | nodal values of the operator The interpolation accuracy of polynomial operators in a Hilbert space with a measure is estimated when nodal values of these operators are given approximately | polynomial interpolation;hilbert space;polynomial operators;disturbed nodal values | |
train_1926 | Simulation of ecological and economical structural-type functions | An optimization approach to the simulation of ecological and economical structural-type functions is proposed. A methodology for construction of such functions is created in an explicit analytical form | simulation;optimisation approach;explicit analytical form;economical structural-type functions | |
train_1927 | Optimal strategies for a semi-Markovian inventory system | Control for a semi-Markovian inventory system is considered. Under general assumptions on system functioning, conditions for existence of an optimal nonrandomized Markovian strategy are found. It is shown that under some additional assumptions on storing conditions for the inventory, the optimal strategy has a threshol... | semi-markovian inventory system;optimal nonrandomized markovian strategy;optimal strategy;optimal strategies;system functioning | |
train_1928 | Solution of a Euclidean combinatorial optimization problem by the | dynamic-programming method A class of Euclidean combinatorial optimization problems is selected that can be solved by the dynamic programming method. The problem of allocation of servicing enterprises is solved as an example | dynamic programming method;euclidean combinatorial optimization problem | |
train_1929 | Optimal time of switching between portfolios of securities | Optimal time of switching between several portfolios of securities are found for the purpose of profit maximization. Two methods of their determination are considered. The cases with three and n portfolios are studied in detail | profit maximization;portfolios of securities;optimal time |
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