Abstract: A computer system for managing a plurality of virtual machines, the computer system including: a processor; and a memory coupled to the processor, wherein the processor executes a process includes: recording, on the memory, an operation history of a virtual machine that is related to a user operation in the plurality of virtual machines; determining whether the user operation is performed or not at switching of the virtual machines by referring to the operation history and comparing an operation time of the virtual machine that has operated most recently with the operation time of a control table, the control table being stored in the memory; and increasing an operation frequency of a CPU when performance of the user operation is detected.

Abstract: A user state presumption system and method determines whether a user has exhibited a specific intended behavior that is an aim of service(s) provided by analyzing data of a series of accesses of the user made relative to the service(s). An intended behavior probability calculator is provided which calculates, every predetermined period, a proportion of users who have exhibited the intended behavior among the plurality of users and records the obtained proportion calculated to implement the user state presumption system and method.

Abstract: An IT resource evaluation system connected to a management system for managing a plurality of IT resources working in a plurality of business systems, include a recording part for recording supply-and-demand data representing a transition of a demand or a supply of an IT resource in an entire business system, an accumulating part for accumulating actual dealing data containing a supply price, an IT resource data input part for inputting IT resource data regarding an IT resource to be evaluated, and an evaluating part for calculating value data representing a supply price in the case where an IT resource is supplied, based on supply-and-demand data, actual dealing data, and the IT resource data.

Abstract: A computer-readable recording medium stores therein a scheduling program that causes a computer to execute a process. The process includes executing multiple virtual computing machines that operate an OS; receiving a change in the number of activations of completely activated software from the OS; updating when the change in the number of activations has been received, a first table that stores software completely activated in the OS; selecting from a second table that stores combinations of a completely activated software group, a combination according to a software group stored in the first table; extracting from the second table and according to the selected combination, priorities of software stored for each of the combinations; and updating the priorities of the software stored in the first table to the extracted priorities.

Abstract: A disclosed information processing apparatus includes a plurality of operating systems, a resource information storage part configured to store resource information including usage status information on hardware resources of the information processing apparatus, and a controller configured to specify at least one of the operating systems based on the resource information to report a resource release request of a desired one of the hardware resources to the specified operating system and receive a resource release report on the desired hardware resource from the specified operating system to control power associated with the desired hardware resource.

Abstract: A demand forecasting system and a demand forecasting method capable of forecasting demands for IT resources in a data center accurately are provided. The demand forecasting system includes: a classification unit that classifies a plurality of users who use IT resources in a data center into a plurality of user's behavior classes; an event characteristics model generation unit that generates an event characteristics model representing a variation over time in a usage state of the IT resources caused by an event and the number of the users moving among the user's behavior classes caused by the event; an event influence calculation unit that calculates a predicted value of the variation over time in a usage state of the IT resources and a predicted value of the number of the users moving among the user's behavior classes that will be caused by an event scheduled to be held in the future using the event characteristics model; and a demand forecasting unit that calculates a variation in load on the IT resources.

Abstract: An information processing apparatus includes a processor to execute a procedure, the procedure including executing first processing based on a first operating system and also executing second processing based on a second operating system; determining whether or not to perform a switching by the first processing based on the first operating system when input information processed into the first processing accords with a switching condition defined in the first operating system; and controlling subsequent input information to be processed into the second processing when performing the switching is determined.

Abstract: An electronic file system includes an operating device for receiving an input for performance of an operation on an electronic file and an approval device used for approving of the operation on the electronic file. The electronic file includes an operation file on which an operation is to be performed and a restriction file indicating a restriction condition (policy) for restricting an operation performable on the operation file and a request destination for approval of the restricted operation. The operating device includes determination means for determining whether the operation to be performed on the operation file is permitted in accordance with the restriction condition described in the restriction file and means for, when it is determined that the operation corresponds to the restriction condition, transmitting to the approval device described as the request destination in the restriction file an approval request for requesting approval of the operation.

Abstract: A management policy evaluation system for evaluating a management policy includes: a demand recording part for recording demand data representing a change in a value of a demand in a predetermined period; a supply recording part for recording supply data representing a change in a value of a supply in the predetermined period; a calculation part for comparing the demand data with the supply data, so as to calculate shortage/surplus data representing a change in shortage/surplus of an IT resource with respect to the demand in the predetermined period; and an evaluation part for generating evaluation data representing a loss or a profit to be created when the IT resource is assigned based on the management policy.

Abstract: A sensor evaluation system communicating to a plurality of sensors and an analysis system providing analysis service using time series sensor data obtained from at least one of the plurality of sensors includes a time series data recorder recording a time series data showing changes with time of events having predetermined relations with the analysis service associating with the analysis system, a sensor relevance ratio calculator calculating sensor relevance ratios indicating relevance ratios of sensor data to the time series data by comparing changes with time of events indicated by the time series data and time series records of the sensor data used by the service execution part to provide analysis service in the same period, and a sensor importance calculator calculating sensor importance using the sensor relevance ratio calculated by the sensor relevance ratio calculator as a guide before recording the calculated sensor importance in a sensor importance recorder.

Abstract: A time factor feature generation system includes: a use status grasping portion that extracts transition data showing variations in degree of use of a site from log data; a variation data generating portion that generates, based on the transition data, variation data expressing the variations in degree of use of the site as a group Y of values showing the degree of use of the site; a time factor data recording portion in which a plurality of time factors and time factor values of each of the plurality of time factors are recorded; a time factor extracting portion that generates groups Di of time factor values, each of which corresponds to a time factor extracted from among the plurality of time factors; and a time factor feature generating portion 13 that calculates coefficients ai such that a square of an error b has a minimum value in an equation in which the groups Di and the group Y are used as an explaining variable and an explained variable, respectively, thereby to generate data showing a time factor f

Abstract: A disclosed computer system having a virtual computer management mechanism realizing a virtual computer includes a user virtual computer that communicates with a device via a virtual computer for a device driver under a control of the virtual computer management mechanism, an input receiving unit that receives a signal of an input operation from the device, a reset level determination unit that determines a reset level based on the received signal of the input operation, a reset target specifying unit that specifies a virtual computer to be a target of a reset process based on the determined reset level, and a reset signal transmission unit that transmits a reset signal to perform the reset process on the specified virtual computer.

Abstract: A memory management apparatus has an ASID conversion table, an actual ASID use table, and a TLB flush control section. The ASID conversion table and the actual ASID use table manage virtual ASID, actual ASID and an overlap flag so that they are related for each VM. The TLB flush control section reads actual ASIDs allocated to VM as a switching target at the time of switching VM as a switching source into the VM as the switching target, determines whether the read actual ASID is allocated to the plurality of VMs in an overlapped manner with reference to the overlap flag, and sets the actual ASID in the read actual ASIDs determined being allocated in the overlapped manner as a target for the TLB flush.

Abstract: A communication apparatus includes a plurality of virtual machines. The plurality of virtual machines include at least one virtual machine compliant with multiple caller number service and at least one virtual machine noncompliant with the multiple caller number service. One of the plurality of virtual machines includes a mode assignment information storage and a call mode writer. The mode assignment information storage stores mode assignment information indicating a call mode corresponding to each of the at least one virtual machine noncompliant with the multiple caller number service. The call mode indicates a caller number. The call mode writer obtains, upon receiving a call request from another virtual machine among the plurality of virtual machines, the call mode corresponding to the another virtual machine from the mode assignment information storage to write mode information specifying the obtained call mode in the received call request.

Abstract: A surplus determination system for determining a presence/absence of a surplus in an IT resource managed by an IT resource management system includes a recording part for recording working data representing a working situation of the IT resource, a recording part for recording a surplus determination rule representing a requirement of the working situation for the IT resource to be determined to have a surplus, and a surplus determining part for determining that there is a surplus in the case where the working situation represented by the working data satisfies the requirement of the working situation represented by the surplus determination rule, based on the working data and the surplus determination rule.

Abstract: An event type estimation system includes a log aggregation unit that generates time-series data representing the fluctuation in traffic to a site from log data, a deviation testing unit that extracts an interval showing an anomalous fluctuation from the time-series data, a waveform decomposition unit that optimizes a peak waveform, a normal waveform and a vertical waveform set by a waveform setting unit, in order to approximate the fluctuation in traffic in the interval extracted by the deviation testing unit with a composite of the peak waveform, the normal waveform and the vertical waveform, and an event determination unit that determines the type of event that caused the anomalous fluctuation, based on the waveforms optimized by the waveform decomposition unit and the rules of a rule recording unit. The event type estimation system is thereby able to extract access fluctuation anomalies from log data and estimate the type of event that caused the anomalous fluctuation.

Abstract: A method for realization of a thin client includes detecting a usage environment of a client terminal, using the detected usage environment and a predetermined policy to determine whether to realize the thin client as a screen transfer type or by a net boot type, when the screen transfer type is determined, transferring input made at the client terminal to a server and transferring results of processing by the server in accordance with the input from the server to the client terminal, and, when the net boot type is determined, transferring a program from the server to the client terminal, the program outputting results of processing at the client terminal in accordance with input from the client terminal.

Abstract: An information processing apparatus and method include measuring power consumptions of devices and outputting power consumption data, receiving operational conditions of the devices for measuring the power consumptions of the devices, setting the operational conditions of the devices according to application-setting conditions, and executing an application program to measure reference power consumptions for executing the application program. The information processing apparatus includes a power consumption data-transmitting section transmitting power consumption data, a normalized power consumption-calculating section receiving normalized reference power consumption calculated from reference power consumptions of information processing apparatuses, and calculating normalized power consumption from the normalized reference power consumption and the reference power consumptions.

Abstract: Polling method that encourages freely opinionated replies and makes for extensive collection of diverse replies. Free reply processing module 9 assigns an option ID to a free reply contained in reply data and associates this free reply with a survey ID and question ID and stores the same in a survey form database 41. A survey form creation module 6 creates a survey form page based on data in the survey form database 41 using HTML or the like and stores this on a Web server 3. The Web server 3 sends the stored survey form page to a respondent terminal 2.

Abstract: An apparatus for controlling divided operation environments includes a first acquiring unit that acquires a first processing amount indicating an amount of hardware resources allocated to each of the operation environments, a second acquiring unit that acquires a second processing amount which varies depending on an application program executed by the operation environment, a calculating unit that calculates a third processing amount of each of the operation environments on the basis of a difference between the first processing amount of each operation environment acquired by the first acquiring unit and the second processing amount of each operation environment acquired by the second acquiring unit; and an output unit that outputs a state of each of the operation environments on the basis of the third processing amount of each operation environment calculated by the calculating unit and the second processing amount of each operation environment acquired by the second acquiring unit.