57 results about "Usability assessment" patented technology

The present invention relates to a system and methodology to facilitate collaboration and communications between entities such as between automated applications, parties to a communication and / or combinations thereof. The systems and methods of the present invention include a service that supports collaboration and communication by learning predictive models that provide forecasts of one or more aspects of a users' presence and availability. Presence forecasts include a user's current or future locations at different levels of location precision and usage of different devices or applications. Availability assessments include inferences about the cost of interrupting a user in different ways and a user's current or future access to one or more communication channels. The predictive models are constructed from data collected by considering user activity and proximity from multiple devices, in addition to analysis of the content of users' calendars, the time of day, and day of week, for example. Various applications are provided that employ the presence and availability information supplied by the models in order to facilitate collaboration and communications between entities.

A method and apparatus provides management of projects including breaking the project into tasks and task dependencies and assigning employees as resources to work on the task dependencies. Resources are evaluated based on skills, experience with applications, distance to work site, customer satisfaction rating of prior work and availability. Progress on the project is monitored by input of employee time into the system. Projected completion dates, start dates of subsequent projects and resource allocation is automatically determined as changes in project progress and resources occur.

A user interface design and evaluation system and a hand-interaction-based user interface design and evaluation system are provided. The user interface design and evaluation system includes: a user interface design unit, a human model interaction design unit, a user interface prototype simulation unit, a human model simulation unit, and a user interface evaluation unit. In order to develop a user interface in consideration of usability of a user, the system provides a usability evaluation feedback system performing optimization of an interface design based on a motion simulation of a body model and user interface model. Through this, an optimum interface design is derived and by reducing the initial usage difficulty of the new interface for a user, the user can easily use the new interface and work performance of the user can be enhanced. In addition, by supporting fast prototyping and evaluation in a new product development stage, efficient production of a product having a short life cycle can be actively implemented.

A system for evaluating usability of a virtual mobile information appliance unites a virtual reality technology integrating various digital data created in planning and in designing a product to operate a virtual product and visualizing the virtual product in photo-realistic level, an affective technology organizing a customer's emotional evaluation on a product's design in view of engineering, an ergonomic technology quantatively measuring and analyzing body force activity involved in the operation of a product in a biomechanic manner, and a mixed reality technology supporting both tangible interface capable of directly touching the digital data and a photo-realistic visualization, to thereby finding problems of usability early, obtaining improvements such as a design of the product, improving efficiently an overall quality of the product and managing product-lifetime-cycle in a company manufacturing the product.

Systems and computer program products for providing usability predictions are set forth herein. A system includes a test case collector for obtaining test cases for analyzing usability of a graphical user interface of a given software application, the test case collector having at least a memory storing the test cases. The system further includes a human performance model generator for automatically generating a human performance model based on the test cases. The system also includes a usability predictor for generating the usability predictions based on the human performance model. The test case collector automatically generates at least some of the test cases from an analysis of the given software application.

The present disclosure refers to automated quality and usability assessment of scanned documents and illustrates embodiments pertaining to systems and methods utilized to achieve the same. The system comprises a user interface, a document analyzer coupled to the user interface, an error monitor coupled to the document analyzer and a usability processor coupled to the error monitor. The user interface enables a user to input intended purpose of scanned document as well as pre-determined parameters such as touching characters, broken characters, font height, density, too-dark, too-light, photo in B&W document, font to assess the quality of the scanned document etc.. The document analyzer is configured to analyze and ascertain whether the scanned document is in an appropriate format in accordance with the intended purpose of the scanned document. The error monitor further comprises a usability error identification unit, a page error identification unit, a scanner identification unit and a tangible error identification unit. The usability processor further comprises a text identification unit, a textual processing unit coupled to the text identification unit and an analysis unit coupled to the textual processing unit and an image analysis unit.

The invention discloses a navigation satellite constellation availability assessment method based on the dynamic reliability estimation. The navigation satellite constellation availability assessment method comprises the steps of introducing a random failure factor, a degradation failure factor and a consumption failure factor of a satellite according to current operation data of an in-orbit constellation to establish a dynamic reliability estimation model and obtaining a time-varying curve of the single-star fault rate according to reliability estimation; then calculating out the constellation fault probability Pk,n (t) and the constellation inherent availability CVn,k value of an n kind of fault combination in the situation where k satellites in M satellites in the constellation are in fault; finally calculating out a time-varying relation of the constellation service availability of the navigation satellite system according to the Pk,n(t) and the CVn,k. The navigation satellite constellation availability assessment method can predict in-orbit reliability of the satellites in real time, can obtain high-accuracy and high-reliability satellite constellation availability and can solve the problems that a method only relying on a constellation configuration design to calculate out constellation availability is inaccurate and incomplete and cannot assess the constellation availability in real time.

The invention discloses a method and a system for evaluating availability of a service support system, aiming at solving the problem that the evaluation business support system in the prior art has low efficiency in availability and is very complicated. The method in the invention comprises the following steps: collecting operation data of an evaluation unit of each service subsystem in the service support system; evaluating the availability of each evaluation unit according to the collected operation data; evaluating the availability of the corresponding service subsystem according to the availability evaluation result of each evaluation unit in the service support subsystem; and evaluating the availability of the service support system according to the availability evaluation result of each service subsystem. By using the technical scheme in the invention, BOSS availability evaluation can be more efficient and convenient, and the correctness and instantaneity of the BOSS availability evaluation can be improved.

A semi-automated availability-assessment system and methodology. A comprehensive questionnaire providing detailed information about the hardware and operating-system components and configuration of a system, application-and-database-software components and configuration of the system, data related to other potential sources of unplanned downtime, and data related to potential sources of planned downtime is received. The information contained in the received questionnaire is processed in several steps. First, hardware and operating-system-component-and-configuration information is extracted in order to conduct a Markov-chain availability analysis of the overall system hardware and operating system to provide a first intermediate result. Application-and-database-software component and configuration information, along with data and estimates related to software component failure and recovery rates, as well as relevant data for other potential sources of unplanned downtime, are extracted from the questionnaire and compiled together to form a second intermediate result. Information related to maintenance and other planned activities that result in planned system downtime are extracted from the questionnaire and compiled together as a third intermediate result. Finally, the intermediate result sets are combined in a deterministic manner to produce a final availability assessment for the system.

The invention relates to a reconstruction decision-making system and a decision making method for a comprehensive modularized avionics system. The reconstruction decision-making system comprises a decision-making information collection module, a reconstruction triggering module, a reconstruction decision-making module, a warning module and a configuration execution module, wherein the decision-making information collection module is connected with the reconstruction triggering module which is connected with the reconstruction decision-making module, and the reconstruction decision-making module is connected with the warning module and the configuration execution module respectively. The reconstruction decision-making system and the decision making method for a comprehensive modularized avionics system have the advantage of improving the ability of the aeroplane avionics system to respond to different flying tasks, the ability of the aeroplane avionics system to deal with failure of different sources as well as the flying safety by selecting different reconstruction strategies according to different reconstruction requirements and resource conditions; the reconstruction decision-making system and the decision making method provide safety evaluation and feasibility evaluation of a reconstruction scheme during selection of reconstruction schemes, and therefore the system safety after reconstruction is improved; the system is allowed to make degradation reconstruction when high-safety avionics functions are failed, the available reconstruction resource scope of high-safety-requirement avionic functions is enlarged, and the guarantee of reconstruction to the system safety is improved.

The invention provides a domain name resolution usability evaluation method, a server and a system. The domain name resolution usability evaluation method comprises the following steps of: forwarding a received resolution request carrying a domain name which is transmitted by a client to a local recursion server, and receiving a query message returned by the local recursion server; acquiring virtual N layers according to prefixes of IP addresses of a plurality of authority servers which correspond to the domain name and are acquired by the local recursion server comprised in the query message, wherein the first layer is a virtual top layer, and the node of the ith layer corresponding to one authority server is a sub-node of the node of the (i-1)th layer; calculating the failure probability of each node in the (N-1)th layer according to the failure probability of each authority server in the Nth layer; calculating the failure probability of each node according to the failure probability of each node in the jth layer, wherein N is more than or equal to 2, i is more than or equal to 1 and less than or equal to 2, and N, i and j are positive integers; and repeatedly executing the steps until the failure probability of the node in the first layer is calculated.

A computer system, method, program product, and service method for evaluating a learning program / service is disclosed with one or more databases having one or more variables. The invention systematically determines the attractiveness of the program / service, preferably a learning program, to one or more end users by determining one or more variables. Each of the variables defines one or more aspects of the learning program / service. An assessment value is associated with each of the variables. The assessment value is a combination of two or more importance assessments given by one or more of the users for each of the respective aspects. A provisioning value is also associated with each of the variables. The provisioning value is a combination of two or more availability assessments given by one or more stake holders for the respective aspect. Then an evaluation process determines a measure of comparison between the assessment value and the respective provisioning value for one or more of the respective variables. The invention may include an aggregation process that combines two or more of the measures to obtain a program measure that can be used to indicate an attractiveness of the learning program / service to the users.

The invention discloses an availability evaluation method of a smartphone human-computer interface on the basis of a user model. The availability evaluation method comprises the following steps: according to the user model, establishing a classification standard of an availability problem; in a task testing process, collecting the eye movement data and the user operation behavior data of a user; and establishing a mapping relationship between test data and the availability problem for analyzing problems existing in design, and giving an improvement suggestion. Through the user model, the availability evaluation method puts forwards an availability problem classification standard suitable for the availability evaluation of the smartphone human-computer interface so as to be favorable for helping design personnel to find the position and the reason of errors of the availability problem, and an effective suggestion on the design can be put forward. The mapping relationship between objective data and the availability problem is established to help availability evaluation personnel to classify the found availability problems. Compared with the subjective evaluation of an availability evaluation expert, the method is high in reliability on the classification of the availability problems.

The virtual machine placement determination device includes a virtual machine placement proposal search unit 1 configured to search for a virtual machine placement proposal satisfying resource limitation to enumerate; an availability model synthesizing unit 2 configured to reflect a configuration of an application on each virtual machine placement proposal to generate an availability model for obtaining availability indicating a probability that the application is in an activation state; an application availability evaluation unit 3 configured to analyze the availability model to calculate an availability evaluation value indicating the availability of an application system constructed by the virtual machine placement proposal; and a virtual machine placement ranking unit 4 configured to rank each virtual machine placement proposal based on the availability evaluation value to determine the virtual machine placement proposal applied to the application.

In the present invention, a first information processing apparatus displays a window for the content on a display device depending on operations to an input device; the first information processing apparatus obtains feedback operation logs including assessment information for the window and date-time information when the assessment information has been input; the first information processing apparatus obtains operation logs including operation information to the input device and date-time information when the operation has been input; the first information processing apparatus obtains communication logs including date-time information when the window has been displayed and information for identifying the window; the first information processing apparatus sends to a second information processing apparatus the feedback operation logs, the operation logs and the communication logs; the second information processing apparatus receives from the first information processing apparatus the feedback operation logs, the operation logs and the communication logs; the second information processing apparatus correlates information included in at least two of the feedback operation logs, the operation logs and the communication logs in chronological order based on the date-time information included in each log; and usability assessment information is thus generated for the content.

The present invention relates to a hierarchical policy based data center network availability assessment method and assessment apparatus. The method includes a first step of defining topological information of a data center network; a second step of dynamically collecting performance parameter data of network devices in the data center network; a third step of implementing performance state assessment of a network switch device; a fourth step of setting network layers; a fifth step of initializing priorities of the network devices; and a sixth step of performing performance state assessment on the whole network, that is, based on the availability assessment quantized value of each network device according to the set hierarchical policy, analyzing by referring to a network topological structure so as to obtain different impacts of the network devices at all topological positions on the network, and obtain a running state quantized value of the whole network. The assessment apparatus is used for implementing the foregoing assessment method. The method has the advantages of wide application range, high assessment efficiency, good assessment effect and so on.

The invention provides a method for evaluating the usability of eye movement technology based medical device manual, which utilizes a Tobii eye tracker to obtain the eye movement data of a subject who reads two kinds of medical device manuals. Five kinds of eye movement data associated with the usability evaluation are selected for analyzing cognitive activities and as usability indexes. According to the relationship between the five kinds of eye movement data and cognitive activities and based on three criteria of attraction, search speed and search accuracy, the using effect of the manual is evaluated. The questionnaire is used to evaluate the rationality of an eye movement model. The variance of five kinds of eye movement data under different areas of interest are analyzed by single factor analysis of variance. A multiple comparison method is used and comprehensive analysis is done in combination of the evaluation results of the eye movement model so as to find the influence of different types of interest areas on the eye movement data and put forward suggestions on usability improvement. The method, with high accuracy and quantitative characteristics, has strong reference value for the design and improvement of such manuals.

The invention discloses a mobile application availability evaluation system and method based on multilayer dimensionality reduction, thereby bringing convenience to mobile application availability evaluation. According to the invention, important forming parts of mobile application availability are comprehensively inspected through 25 indexes, the inspection measurement of the mobile application availability is defined, and the content of mobile availability engineering is enriched; the mobile application availability is subjected to multilayer decomposition, so that the complexity of a mobile application availability model is reduced; and meanwhile, a solution is provided for independently inspecting dimensionality layer interaction quality, key state visibility, concision and intuitiveness, consistency, affinity and low consumption, efficiency, benefits and satisfaction degree of a dimensionality layer.

An availability evaluation system of a semiconductor manufacturing line, comprising a unit configured to calculate an incidence probability Xi (i=1 to k) in combination by applying a tool operation probability and a tool stoppage probability to all combinations “k” in which at least a line fabrication availability is not zero, of the combinations of operation and stoppage of tools, and by obtaining a product of the probabilities of all the tools, and a unit configured to, when a product between the incidence probability Xi of a combination and a fabrication availability Yi of the combination is defined as a probability converted fabrication availability with respect to each of the combinations, calculate an availability value of Q=Σ(i=1 to k)X1×Y1 / F obtained by dividing a sum of probability converted fabrication availabilities of the combinations by a fabrication availability F at a 100% availability.

Methods of providing usability predictions are set forth herein. A method includes obtaining test cases for analyzing usability of a graphical user interface of a given software application. The method further includes automatically generating, using a processor, a human performance model based on the test cases. The method also includes generating the usability predictions based on the human performance model. At least some of the test cases are generated automatically from an analysis of the given software application.

The invention discloses a method, device and system for obtaining and processing product available performance. The method comprises the steps of receiving availability indexical information selected from a product availability index library, extracting key availability indexes from the availability indexical information as sensing factors, receiving sensing factors which are selected by an evaluating user and are used for availability evaluation and calculation as key sensing factors, calculating the cognitive weight of each key sensing factor of the sensing factors, obtaining assessment points corresponding to the key sensing factors from a product assessment point database, obtaining the performance evaluation indexical values on the assessment points by a using user to serve as the assessment value of the key sensing factors, and calculating product availability weighting assessment values according to the cognitive weight of the key sensing factors and the evaluation value of the key sensing factors. According to the method for obtaining and processing the product available performance, the product availability weighting assessment values can be worked out, quantifiable data can be obtained, and comparison and assessment can be carried out on the product availability.

The invention discloses an availability evaluation method for periodic inspection equipment having the failure / maintenance time subject to random distribution. The method includes the basic steps of (1) basic assumptions of a problem; (2) construction of the equipment availability model; (3) system availability model solution based on a recursive algorithm; (4) statistics of equipment failure / maintenance time distribution functions and parameters, and determination of maintenance strategies and inspection cycle; (5) availability calculation of the equipment in the target time. The method can solve the system failure time / maintenance time to subject to different distribution manners, adopts the complete maintenance strategy to inspect the transient availability of the system with periodic changes in the task inspection cycle and the limit average availability of the entire life cycle, the solution result is real and effective, the solution process can reflect the dynamic relationship between the failure time, the maintenance time and the inspection cycle, and provides the important reference basis for the design and maintenance of the equipment.

The invention belongs to the field of human-computer interaction, and provides a three-dimensional pen type interactive interface usability evaluation method. The method comprises the following steps that decomposition of three-dimensional interactive behaviors and extraction of interactive evaluation indexes are conducted, and mapping between the three-dimensional interactive behaviors and the interactive evaluation indexes is established; an evaluation test is carried out, data is extracted, calculation is carried out, and the quality value of the evaluation indexes of an interface evaluation unit is obtained; a three-dimensional pen type interactive interface usability evaluation result is obtained, and weighting and summing are carried out according to the fuzzy evaluation result through a hierarchical analysis method to obtain a definitive evaluation result. By analyzing the three-dimensional pen type interactive behaviors, psychological and physical user behaviors in the three-dimensional interaction process are fully considered, a feature weight is given, and the three-dimensional pen type interactive interface usability evaluation method is provided and has good flexibility and determinacy.

The invention provides a method for ensuring service availability of a server management system. The method is characterized in that hierarchical model simplification usability evaluation is adopted to evaluate the service availability; the availability among service, a computing resource and a storage resource in the server management system has a dependency relationship; the availability of the service depends on the availability of the other three; only the three are available, the service can be health and available; the deployment of the service directly depends on the server management system, which is in the running state of the service detected by users; the situation that whether the service can be normally provided or not directly depends on the computing resource and the storage resource; a high-availability HeartBeat system is responsible for the invalidation switch of the two resources; and the state of the service directly depends on the availability of the server management system. The method only evaluates the availability after the deployment of the service is successful. The method can respectively evaluate the availability of the computing resource and the storage resource, and evaluates the availability of the service on the basis of the evaluation of the two sources; and all services are combined in a tandem mode by a computing resource module and a storage resource system.

The invention belongs to the technical field of nuclear power control. In order to solve the technical problem that the existing Markov theory calculation method is applied to the usability evaluationof the nuclear safety level DCS system, and the calculation process is too complicated, the invention provides a usability evaluation method and a device of the nuclear safety level DCS system. The method comprises the following steps of: analyzing the redundancy structure and functional logic of the nuclear safety level DCS system, and establishing a fault tree from top to bottom; Wherein, whenthe corresponding subsystem of the nuclear safety level DCS system in the fault tree comprises a board card, the lowest layer of each functional unit in the subsystem in the fault tree is the board card; The utility model obtains the failure rate parameters and the average failure maintenance time of each board in the fault tree, obtains the availability parameters of the functional units, and analyzes the availability of the nuclear safety level DCS system in combination with the availability, redundancy structure and functional logic of each functional unit in the fault tree.

There is disclosed an apparatus for supporting evaluation of usability in consideration of situations particular to each business and ISO evaluation standards. The usability evaluation support apparatus uses an instrument including a display portion for displaying information, and supports the evaluation of usability in achieving a given task. During achievement of the task, a control unit acquires information of an operation log related to an operation performed by a user, and divides an effectiveness index associated with achievement of the task, efficiency index associated with efficiency for the achievement, and satisfaction index associated with subjective satisfaction of a task achiever for each predefined subtask. The unit evaluates the indexes by a statistical calculation using measurement results of a plurality of measurement items including the information of the operation log for each subtask.