Abstract: A data generation method by a computer is disclosed. First waveform data including marking information at a first position on a waveform, and acquiring second waveform data are acquired. A transformation function is specified that transforms the first waveform data to reduce the difference between a first value of a time axis for a first characteristic point in the first waveform data and a second value of the time axis for a second characteristic point, in the second waveform data, corresponding to the first characteristic point. Third waveform data are generated, in which the marking information is applied at a second position corresponding to the first position in the first waveform data, the second position being determined by using the transformation function.

Abstract: A data generation method by a computer is disclosed. First waveform data including marking information at a first position on a waveform, and acquiring second waveform data are acquired. A transformation function is specified that transforms the first waveform data to reduce the difference between a first value of a time axis for a first characteristic point in the first waveform data and a second value of the time axis for a second characteristic point, in the second waveform data, corresponding to the first characteristic point. Third waveform data are generated, in which the marking information is applied at a second position corresponding to the first position in the first waveform data, the second position being determined by using the transformation function.

Abstract: A machine learning device includes: a model generator configured to generate a machine learning model by using first training data that includes image data, the image data including a target to be recognized and a label indicating the target to be recognized; a teaching data generator configured to generate second training data indicating a changed variation in characteristics related to the target to be recognized, based on recognition degrees at which the target to be recognized is recognized from verification data items when the image data is input as the verification data items to the generated machine learning model; and a learning executor configured to execute machine learning by inputting the generated second training data to the generated machine learning, model.

Abstract: A service activity support method includes, in response to receiving a request for support of a first service activity transmitted from a first terminal device positioned in a specific area determined virtually in a map, identifying a second terminal device positioned in the specific area, the second terminal device being different from the first terminal device, and transmitting information regarding the request to the identified second terminal device.

Abstract: An apparatus for processing data includes a processor configured to acquire size information on a size of first result data from a first node. The first result data is generated in first distributed processing executed by the first node on a first part of first input data for the first distributed processing executed by a plurality of nodes. The processor is configured to acquire data arrangement information for second distributed processing executed by the plurality of nodes. The processor is configured to generate a data arrangement instruction on basis of the size information and the data arrangement information. The data arrangement instruction defines an arrangement pattern of second result data generated in the first distributed processing executed by the plurality of nodes and stored in the plurality of nodes as the second input data. The processor is configured to transmit the data arrangement instruction to the plurality of nodes.

Abstract: When access to a second data block located in a second storage area occurs immediately after access to a first data block located in a first storage area, a data allocation control apparatus updates access information indicating an access sequence of the data blocks, based on identification information of the first data block and identification information of the second data block. The data allocation control apparatus determines whether to perform relocation of a first data group related to the first data block and a second data group related to the second data block, based on the access information and allocation information indicating an allocation status of the data blocks in the first storage area and the second storage area.

Abstract: A computer-readable recording medium storing therein a data deletion determining program is disclosed. Deletion effect information indicating effect degrees due to deletions of a plurality of sets of output data is generated based on process contents, output data information, and an execution time. The plurality of sets of output data are generated over a course of a plurality of processes acquiring a final result acquired through a plurality of processes from subject data. The process contents are related to each of the plurality of processes. The output information is accumulated in a memory for the plurality of sets of the output data. The execution time is taken for one or more of the processes until generating the output data. The output data to be deleted from the memory is extracted based on respective sets of the deletion effect information for the plurality of the sets of the output data.

Abstract: An apparatus for processing data includes a processor configured to acquire size information on a size of first result data from a first node. The first result data is generated in first distributed processing executed by the first node on a first part of first input data for the first distributed processing executed by a plurality of nodes. The processor is configured to acquire data arrangement information for second distributed processing executed by the plurality of nodes. The processor is configured to generate a data arrangement instruction on basis of the size information and the data arrangement information. The data arrangement instruction defines an arrangement pattern of second result data generated in the first distributed processing executed by the plurality of nodes and stored in the plurality of nodes as the second input data. The processor is configured to transmit the data arrangement instruction to the plurality of nodes.

Abstract: A computer-readable recording medium storing a data accumulation determination program is disclosed. A first cost and a second cost are calculated from a process content pertinent to a process for acquiring a final result by a plurality of processes. The process content includes a plurality of process contents respective to a plurality sets of output data generated in paths until the final result is acquired by the plurality of processes from subject data. The first cost corresponds to a cost for accumulating the output data in a repository. The second cost corresponds to a cost for generating the output data that are not accumulated in the repository. An accumulation necessity is determined for each of the plurality of sets of the output data based on the first cost and the second cost.

Abstract: Each of slave nodes acquires data distribution information that is data distribution for each portion of processing target data that is subjected to distributed processing performed by each of the plurality of nodes. Then, each of the slave nodes monitors a process state of the distributed processing with respect to divided data obtained by dividing processing target data. Thereafter, each of the slave nodes that performs the monitoring changes, on the basis of the process state of the distributed processing and the data distribution information, the processing order of the divided data that is the processing target.

Abstract: A computer monitors a relevance ratio between pieces of data based on a frequency of access to a pair for each of the pairs of the pieces of data consecutively accessed in response to a request for access to a storage device storing a plural pieces of data, determines whether the pair is a pair having a relevance ratio representing a specified tendency, on the basis of tendencies of the monitored relevance ratios of the pairs, groups the plural pieces of data according to a result of the determining and the relevance ratio, and specifies data to be arranged in each group.

Abstract: A data arrangement apparatus includes a processor executing a process including: selecting one or more data segments from a first storage device according to a free capacity of the first storage device that stores a plurality of data segments, each of the plurality of data segments being a data group grouped according to data relevance between data included in the data group; calculating an evaluation value based on the data relevance between the data included in the selected data segments; and determining arrangement positions of the selected data segments in storage areas of a second storage device based on the evaluation value and readout performance information of a plurality of storage areas in the second storage device in which readout performance differs by the plurality of storage areas.

Abstract: There is provided an information processing device includes a task executor and a controller. The task executor executes one or more second tasks that are generated by execution of a first task. The controller that controls the task executor such that the number of tasks to be executed in parallel is adjusted on the basis of a usage degree representing a degree of usage of resource in the information processing device.

Abstract: When access to a second data block located in a second storage area occurs immediately after access to a first data block located in a first storage area, a data allocation control apparatus updates access information indicating an access sequence of the data blocks, based on identification information of the first data block and identification information of the second data block. The data allocation control apparatus determines whether to perform relocation of a first data group related to the first data block and a second data group related to the second data block, based on the access information and allocation information indicating an allocation status of the data blocks in the first storage area and the second storage area.

Abstract: An access control apparatus includes a processor that executes a process including: reading first consecutive blocks from a storage device in response to an access request for a first data, the first consecutive blocks including a first block, storage areas of the storage device being managed in units of blocks; loading the first consecutive blocks into a memory area, storage areas of the memory area being managed in units of pages; and in accordance with a state of an access to a page in the memory area, invalidating a specific block of the storage device that corresponds to a specific page pushed out of the memory area, the specific page being pushed out as a consequence of loading the first consecutive blocks into the memory area, and writing second data included in the specific page to consecutive empty areas of the storage device.

Abstract: An access control apparatus includes a processor. The processor is configured to receive an access request for accessing first data. The processor is configured to read consecutive blocks that start with a first block containing the first data from a first storage unit. The processor is configured to load the consecutive blocks as corresponding consecutive pages into a memory area. The processor is configured to invalidate the consecutive blocks in the first storage unit. The processor is configured to write, before the loading, some of first pages held in the memory area into a contiguous empty area of the first storage unit in accordance with an access status of each of the first pages. The access status is whether each of the first pages has been accessed.

Abstract: An access control method includes: in response to a first access instruction that instructs accessing first data, reading the first data and second data from a storage and deleting the first data and the second data from the storage, the first data being read from a first storage area, the second data being read from a second storage area that is physically adjacent to the first storage area and is not an empty area; and in response to a second access instruction that instructs writing third data to the storage, writing the third data to a third storage area that is adjacent to a storage area located in a physically rearmost position among storage areas in which data has been stored in the storage.

Abstract: An information processing apparatus includes a first storage device that stores in a first storage area a first data group that includes a first plurality of data to be processed successively, and stores in a second storage area a second data group that includes a second plurality of data to be processed successively, a second storage device that includes a third storage area that stores a command to access data stored in the first storage area and a fourth storage area that stores a command to access data stored in the second storage area, and a processor configured to store, in a corresponding storage area of the third storage area and the fourth storage area, a received command, select one of the third storage area and the fourth storage area, and process one or more command stored in a selected storage area.

Abstract: There is provided an information processing device includes a task executor and a controller. The task executor executes one or more second tasks that are generated by execution of a first task. The controller that controls the task executor such that the number of tasks to be executed in parallel is adjusted on the basis of a usage degree representing a degree of usage of resource in the information processing device.

Abstract: A memory includes a plurality of areas corresponding to a plurality of segments of a storage device. An operation unit stores each of generated access instructions in an area corresponding to a segment of an access destination of the access instruction among the plurality of areas. The operation unit loads data of a segment corresponding to at least one area selected from the plurality of areas from the storage device to another area which is different from the plurality of areas on the memory, and executes an access instruction stored in the selected area, for the loaded segment data.