WO2022172549A1 - Dispositif de traitement d'informations, procédé de traitement d'informations et programme de traitement d'informations - Google Patents

Dispositif de traitement d'informations, procédé de traitement d'informations et programme de traitement d'informations Download PDF

Info

Publication number
WO2022172549A1
WO2022172549A1 PCT/JP2021/042670 JP2021042670W WO2022172549A1 WO 2022172549 A1 WO2022172549 A1 WO 2022172549A1 JP 2021042670 W JP2021042670 W JP 2021042670W WO 2022172549 A1 WO2022172549 A1 WO 2022172549A1
Authority
WO
WIPO (PCT)
Prior art keywords
control
partition
magnetic tape
recorded
metadata
Prior art date
Application number
PCT/JP2021/042670
Other languages
English (en)
Japanese (ja)
Inventor
豊 大石
理貴 近藤
優子 宇野
美咲 大塚
Original Assignee
富士フイルム株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 富士フイルム株式会社 filed Critical 富士フイルム株式会社
Priority to JP2022581193A priority Critical patent/JPWO2022172549A1/ja
Publication of WO2022172549A1 publication Critical patent/WO2022172549A1/fr

Links

Images

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10—File systems; File servers
    • G06F16/18—File system types
    • G06F16/185—Hierarchical storage management [HSM] systems, e.g. file migration or policies thereof
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers

Definitions

  • the present disclosure relates to an information processing device, an information processing method, and an information processing program.
  • Japanese Patent Application Laid-Open No. 2015-103033 discloses a technique of dividing data partitions of a magnetic tape having index partitions and data partitions into a plurality of partitions and reclaiming data recorded on the magnetic tape.
  • Republished Publication No. 2008-146473 discloses a memory card having a first recording area for recording file management information and a second recording area for recording data itself.
  • a directory for video files and a directory for audio files are created in the first recording area according to the ratio between the number of video files and the number of audio files generated in one recording by the recording device. and the number of files that can be recorded in the directory.
  • recent magnetic tapes can be divided into, for example, a first partition in which data is recorded and a second partition in which metadata about data is recorded.
  • a data group is recorded in the first partition
  • a metadata group is recorded in the second partition.
  • the size of data varies depending on the data, but the size of metadata does not depend on the data and fluctuates less than the size of the data. That is, the ratio between the total size of metadata recorded in the second partition and the total size of data recorded in the first partition may differ from magnetic tape to magnetic tape. Therefore, for example, the capacity utilization of the second partition is relatively low, the capacity utilization of the first partition is relatively high, and the magnetic tape, and the capacity utilization of the first partition is relatively low, A magnetic tape with a relatively high capacity utilization rate of the second partition is generated. In this case, if the data is transferred from the source magnetic tape to the destination magnetic tape as it is, it is not efficient.
  • the techniques described in Japanese Unexamined Patent Application Publication No. 2015-103033 and Republished Japanese Patent Application Publication No. 2008-146473 do not consider efficient data migration of magnetic tapes.
  • the present disclosure has been made in view of the above circumstances, and aims to provide an information processing device, an information processing method, and an information processing program that can efficiently perform data migration on magnetic tapes.
  • An information processing apparatus is an object including at least one of data and metadata related to the data, and has a first partition in which one or more objects are recorded and a second partition in which metadata is recorded.
  • An information processing apparatus comprising at least one processor for controlling data migration from a magnetic tape, wherein the processor stores the total size of the object group recorded in the first partition and the second partition on the migration source magnetic tape. If there are multiple magnetic tapes whose ratio to the total size of the metadata group recorded in the partition is outside a certain range, perform the first control to read the metadata group and object group from the multiple magnetic tapes , the metadata group obtained by the first control is recorded in the second partition of the migration destination magnetic tape, and the object group obtained by the first control is recorded in the first partition of the migration destination magnetic tape. A second control for recording is performed.
  • the processor may perform control to read the metadata group and the object group from a plurality of magnetic tapes in parallel using a plurality of tape drives.
  • the processor in the second control, controls to record the metadata group and the object group in parallel on a plurality of migration destination magnetic tapes using a plurality of tape drives. good.
  • the processor equalizes the above-mentioned ratios of the magnetic tapes of the plurality of migration destinations, the metadata group and the object obtained by the first control.
  • the group may be controlled to be recorded on a plurality of destination magnetic tapes.
  • the processor performs the first control and the second When the usage rate is equal to or higher than the threshold, a third control is performed to read the metadata group and the object group from the magnetic tape whose ratio is within a certain range using one tape drive, and the third control is performed. recording the metadata group obtained by the control in the second partition of the migration destination magnetic tape, and recording the object group obtained by the third control in the first partition of the migration destination magnetic tape; may be controlled.
  • the processor provides a usage rate indicating a ratio of tape drives in use among a plurality of tape drives, and the usage rate of the tape drives within a predetermined period is relative The ratio is within a certain range by performing the first control and the second control during a time period when the usage rate is relatively low, and using one tape drive during a time period when the usage rate is relatively high within the period.
  • a third control is performed to read the metadata group and the object group from the tape, the metadata group obtained by the third control is recorded in the second partition of the migration destination magnetic tape, and the metadata group is obtained by the third control.
  • a fourth control may be performed to record the object group that has been transferred to the first partition of the migration destination magnetic tape.
  • the processor when the processor performs control to multiplex and record data on a plurality of magnetic tapes of the migration destination, at least one magnetic tape of a portion of the plurality of magnetic tapes
  • the second control may be performed on the remaining tapes, and control may be performed to duplicate and record the data from the at least one magnetic tape on the remaining tapes.
  • the information processing method of the present disclosure is an object including at least one of data and metadata related to the data, a first partition in which one or more objects are recorded and a second partition in which metadata is recorded.
  • a first control of reading is performed, the metadata group obtained by the first control is recorded in the second partition of the magnetic tape of the migration destination, and the object group obtained by the first control is recorded in the magnetic tape of the migration destination.
  • the second control is to record in the first partition of the tape.
  • the information processing program of the present disclosure is an object including at least one of data and metadata related to the data, and includes a first partition in which one or more objects are recorded and a second partition in which metadata is recorded.
  • An information processing program to be executed by a processor of an information processing device comprising at least one processor for controlling data migration from a magnetic tape having If there are multiple magnetic tapes whose ratio between the total size of the object group and the total size of the metadata group recorded in the second partition is outside a certain range, the metadata group and object perform a first control to read the group, record the metadata group obtained by the first control in the second partition of the magnetic tape of the transfer destination, and record the object group obtained by the first control to the transfer destination; second control for recording in the first partition of the magnetic tape.
  • FIG. 1 is a block diagram showing an example of the configuration of an information processing system;
  • FIG. FIG. 4 is a diagram for explaining an object;
  • FIG. It is a schematic diagram which shows an example of a magnetic tape.
  • FIG. 2 is a schematic diagram showing an example of the hardware constitutions of an information processing apparatus.
  • FIG. 2 is a schematic diagram showing an example of metadata on a magnetic tape and a recording state of an object;
  • FIG. 2 is a schematic diagram showing an example of metadata on a magnetic tape and a recording state of an object;
  • 1 is a block diagram showing an example of a functional configuration of an information processing device;
  • FIG. It is a figure for demonstrating 1st control and 2nd control. It is a figure for demonstrating 3rd control and 4th control.
  • 6 is a flowchart illustrating an example of data migration processing;
  • FIG. 4 is a diagram for explaining an example of processing for multiplexing and recording data;
  • the information processing system 10 includes an information processing device 12 and a tape library 14 .
  • the information processing device 12 include a server computer and the like.
  • the tape library 14 comprises a plurality of slots (not shown) and a plurality of tape drives 18, each slot storing a magnetic tape T as an example of a recording medium.
  • Each tape drive 18 is connected to the information processing device 12 .
  • the tape drive 18 writes data to or reads data from the magnetic tape T under the control of the information processing device 12 .
  • An example of the magnetic tape T is an LTO (Linear Tape-Open) tape.
  • the magnetic tape T to be written or read is loaded from the slot into the predetermined tape drive 18 .
  • the magnetic tape T is unloaded from the tape drive 18 to the slot in which it was originally stored.
  • a unit handling data to be recorded on the magnetic tape T includes data to be stored by the user, such as document data and image data, and metadata related to the data.
  • data to be stored by the user such as document data and image data
  • metadata is written as "meta".
  • a storage system that handles this object is called an object storage system.
  • the metadata includes, for example, object identification information such as object keys, object names, data sizes, and attribute information such as time stamps.
  • the recording order of the data and the metadata when recording the object on the magnetic tape T is not particularly limited, and may be the order of the metadata and the data, or the order of the data and the metadata.
  • the configuration of the magnetic tape T according to this embodiment will be described with reference to FIG.
  • the magnetic tape T is formatted, it is divided into two partitions, a reference partition RP in which metadata is recorded and a data partition DP in which objects are recorded.
  • the data partition DP is an example of a first partition in which objects are recorded
  • the reference partition RP is an example of a second partition in which metadata is recorded.
  • the objects recorded in the data partition DP there may be objects containing only data, or objects containing only metadata.
  • the information processing device 12 includes a CPU (Central Processing Unit) 20, a memory 21 as a temporary storage area, and a non-volatile storage section 22.
  • FIG. The information processing device 12 also includes a display 23 such as a liquid crystal display, an input device 24 such as a keyboard and a mouse, a network I/F (InterFace) 25 connected to a network, and an external I/F to which each tape drive 18 is connected.
  • a display 23 such as a liquid crystal display
  • an input device 24 such as a keyboard and a mouse
  • a network I/F (InterFace) 25 connected to a network
  • an external I/F to which each tape drive 18 is connected.
  • Including F26 CPU 20 , memory 21 , storage unit 22 , display 23 , input device 24 , network I/F 25 and external I/F 26 are connected to bus 27 .
  • the storage unit 22 is implemented by a HDD (Hard Disk Drive), SSD (Solid State Drive), flash memory, or the like.
  • An information processing program 30 is stored in the storage unit 22 as a storage medium.
  • the CPU 20 reads out the information processing program 30 from the storage unit 22 , expands it in the memory 21 , and executes the expanded information processing program 30 .
  • data is migrated from a plurality of source magnetic tapes T to a plurality of destination magnetic tapes T.
  • FIG. Hereinafter, when distinguishing between the source magnetic tape T and the destination magnetic tape T, the source magnetic tape T will be referred to as “magnetic tape T1" and the destination magnetic tape T will be referred to as “magnetic tape T2". It says. Both the magnetic tape T1 and the magnetic tape T2 are stored in slots of the tape library 14.
  • FIG. Data to be transferred is recorded on the magnetic tape T1.
  • the magnetic tape T2 is a new magnetic tape T on which no data is recorded.
  • the purpose of data migration is, for example, to increase the free space of magnetic tape T1 where the total size of logically deleted data has reached a certain value or more. Further, as a purpose of data migration, for example, data recorded on the old-generation magnetic tape T1 is migrated to the new-generation magnetic tape T2, and data recorded on the magnetic tape T1 whose error rate has increased due to deterioration over time. Another example is to migrate the data that has been recorded to a new magnetic tape T2.
  • each magnetic tape T1 is associated in advance with the destination magnetic tape T2 based on the total size of data recorded on the magnetic tape T1 and the size of data recordable on the magnetic tape T2.
  • a magnetic tape T on which a lot of objects including data of relatively small size and metadata related to the data are recorded may be in the following state. That is, in such a magnetic tape T, there is a case where the data partition DP still has space, but the reference partition RP has no space, and a new object cannot be recorded on the magnetic tape T.
  • the information processing apparatus 12 has a function of migrating data from the magnetic tape T1 based on the ratio between the total size of the object group recorded on the magnetic tape T1 and the total size of the metadata group. .
  • the information processing device 12 includes a determination section 40 , a first control section 42 , a second control section 44 , a third control section 46 and a fourth control section 48 .
  • the CPU 20 functions as a determination section 40 , a first control section 42 , a second control section 44 , a third control section 46 and a fourth control section 48 .
  • the determination unit 40 determines whether the ratio H1 between the total size of the object group recorded in the data partition DP and the total size of the metadata group recorded in the reference partition RP is within a certain range for each of the plurality of magnetic tapes T1. or out of range.
  • This fixed range is, for example, a fixed range around the ratio H2 between the size of the data partition DP and the size of the reference partition RP of the magnetic tape T2. As a specific example, when the ratio H2 is "96:4", the fixed range is from "95.8:4.2" to "96.2:3.8".
  • the object group recorded in the data partition DP here means all the objects recorded in the data partition DP.
  • the metadata group recorded in the reference partition RP here means all the metadata recorded in the reference partition RP.
  • the size of the data partition DP means the upper limit of the data size recordable in the data partition DP.
  • the size of the reference partition RP means the upper limit of the data size recordable in the reference partition RP.
  • the determination unit 40 determines whether or not there are a plurality of magnetic tapes T1 whose ratio H1 is outside a certain range among all the magnetic tapes T1 to be transferred.
  • the first control unit 42 controls reading of the metadata group and the object group from the plurality of magnetic tapes T1 (hereinafter referred to as “first control”). In this first control, the first control unit 42 controls parallel reading of metadata groups and object groups from a plurality of magnetic tapes T1 using a plurality of tape drives 18 .
  • the second control unit 44 records the metadata group obtained by the first control by the first control unit 42 on the reference partition RP of the magnetic tape T2, and records the object group obtained by the first control on the magnetic tape.
  • Control for recording in the data partition DP of T2 (hereinafter referred to as "second control") is performed.
  • the second control unit 44 controls parallel recording of a metadata group and an object group on a plurality of magnetic tapes T2 using a plurality of tape drives 18 .
  • the second control unit 44 divides the metadata group and the object group obtained by the first control into a plurality of It controls recording on the magnetic tape T2.
  • the third control unit 46 uses one tape drive 18 to extract the metadata group and the object group from the magnetic tape T1 for which the determination unit 40 has determined that the ratio H1 is within a certain range. Read control (hereinafter referred to as “third control”) is performed. Further, when the determination unit 40 determines that there is one magnetic tape T1 whose ratio H1 is outside the predetermined range, the third control unit 46 also performs the third control for that one magnetic tape T1. .
  • the fourth control unit 48 records the metadata group obtained by the third control by the third control unit 46 on the reference partition RP of the magnetic tape T2, and records the object group obtained by the third control on the magnetic tape. Control for recording in the data partition DP of T2 (hereinafter referred to as "fourth control") is performed.
  • first control, second control, third control, and fourth control will be described with reference to FIGS.
  • FIGS. 8 and 9 it is assumed here that there are three source magnetic tapes T1 and three target magnetic tapes T2. Further, the ratios H1 of the three magnetic tapes T1 are "93:7", “99:1" and "96:4", and the ratio H2 of the three magnetic tapes T2 are all "96:4". and the certain range is from “95.8:4.2" to "96.2:3.8".
  • the third control and the fourth control are performed for the magnetic tape T1 whose ratio H1 is within a certain range. Therefore, in this case, the ratio H1 is also within a certain range around the ratio H2 in the magnetic tape T2.
  • the data migration process shown in FIG. 10 is executed by the CPU 20 executing the information processing program 30 .
  • the data migration process shown in FIG. 10 is executed, for example, when an execution instruction is input by the user. At this time, for example, the user inputs the identification information of the magnetic tape T1 to be transferred.
  • step S10 of FIG. 10 the determination unit 40 determines whether the ratio H1 is within a certain range or out of the range for each of the plurality of magnetic tapes T1 to be transferred, as described above. For the magnetic tape T1 whose ratio H1 is determined to be outside the predetermined range by the determining unit 40, the process proceeds to step S12, and for the magnetic tape T1 whose ratio H1 is determined to be within the predetermined range, The process moves to step S18.
  • step S12 the determination unit 40 determines whether or not there are a plurality of magnetic tapes T1 for which the ratio H1 was determined to be outside the certain range in step S10. If this determination is affirmative, the process proceeds to step S14, and if it is negative, the process proceeds to step S18.
  • the processes of steps S14 and S16 are executed for the multiple magnetic tapes T1.
  • the processing of steps S18 and S20 is executed for that one magnetic tape T1.
  • the processing of steps S18 and S20 is also executed for each magnetic tape T1 for which the ratio H1 is determined to be within a certain range.
  • the first control unit 42 performs the first control on the plurality of magnetic tapes T1 for which the ratio H1 is determined to be within a certain range, as described above.
  • the second control unit 44 performs second control using the metadata group and object group obtained by the first control in step S14, as described above.
  • step S18 the third control unit 46 performs the third control on the magnetic tape T1 as described above.
  • step S20 the fourth control unit 48 performs fourth control using the metadata group and object group obtained by the third control in step S18, as described above.
  • the ratio H1 is within a certain range centered on the ratio H2, or the ratio H1 is within the ratio H1 compared to the magnetic tape T1. close to H2. Therefore, the data migration of the magnetic tape T1 can be efficiently performed.
  • the first control unit 42 when the usage rate S indicating the ratio of the tape drives 18 in use among the plurality of tape drives 18 is less than the predetermined threshold value TH, the first control unit 42 The control may be performed, and the second control section 44 may perform the second control. Further, when the usage rate S is equal to or higher than the threshold TH, the third control section 46 may perform the third control and the fourth control section 48 may perform the fourth control.
  • the plurality of tape drives 18 may be all the tape drives 18 provided in the tape library 14, or some of the tape drives 18 assigned for data migration among all the tape drives 18 provided in the tape library 14. good.
  • the first control unit 42 performs the first control and the second control unit 44 may perform the second control.
  • the third control unit 46 may perform the third control and the fourth control unit 48 may perform the fourth control during a time period in which the usage rate S is relatively high within the period TM.
  • the usage rate S in these examples for example, the usage rate immediately before may be used, or the actual value of the usage rate in the same time period in the past may be used.
  • the second control unit 44 performs control to multiplex and record data on a plurality of magnetic tapes T2 of the migration destination.
  • the second control may be performed on at least one magnetic tape T2.
  • the second control unit 44 performs control to duplicate and record data from at least one magnetic tape T2 on the remaining magnetic tapes T2.
  • FIG. 11 when the same data is multiplexed and recorded on three magnetic tapes T2, the data is first recorded on one magnetic tape T2, and then the data is recorded on the remaining two magnetic tapes T2 from that one magnetic tape T2.
  • An example of duplicating data on the magnetic tape T2 of a book is shown.
  • a processing unit that executes various processes such as the determination unit 40, the first control unit 42, the second control unit 44, the third control unit 46, and the fourth control unit 48
  • various processors shown below can be used as the hardware structure of .
  • the various processors include, in addition to the CPU, which is a general-purpose processor that executes software (programs) and functions as various processing units, circuits such as FPGAs (Field Programmable Gate Arrays), etc.
  • Programmable Logic Device which is a processor whose configuration can be changed, ASIC (Application Specific Integrated Circuit) etc. Circuits, etc. are included.
  • One processing unit may be composed of one of these various processors, or a combination of two or more processors of the same type or different types (for example, a combination of multiple FPGAs, a combination of a CPU and an FPGA). combination). Also, a plurality of processing units may be configured by one processor.
  • a single processor is configured by combining one or more CPUs and software.
  • a processor functions as multiple processing units.
  • SoC System on Chip
  • the various processing units are configured using one or more of the above various processors as a hardware structure.
  • an electric circuit combining circuit elements such as semiconductor elements can be used.
  • the information processing program 30 has been pre-stored (installed) in the storage unit 22, but the present invention is not limited to this.
  • the information processing program 30 is provided in a form recorded on a recording medium such as a CD-ROM (Compact Disc Read Only Memory), a DVD-ROM (Digital Versatile Disc Read Only Memory), and a USB (Universal Serial Bus) memory. good too. Further, the information processing program 30 may be downloaded from an external device via a network.

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Data Mining & Analysis (AREA)
  • Databases & Information Systems (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

Lorsque de multiples bandes magnétiques, pour lesquelles le rapport entre la taille totale d'un groupe d'objets enregistré dans une première partition et la taille totale d'un groupe de métadonnées enregistré dans une seconde partition se situe à l'extérieur d'une plage fixe, sont présentes parmi des bandes magnétiques de source de migration, le dispositif de traitement d'informations de l'invention exécute les étapes suivantes : la réalisation d'une première commande pour lire le groupe de métadonnées et le groupe d'objets à partir de la pluralité de bandes magnétiques ; l'enregistrement du groupe de métadonnées obtenu dans la première commande vers la seconde partition de bandes magnétiques de destination de migration ; et la réalisation d'une seconde commande pour enregistrer le groupe d'objets obtenu dans la première commande vers la première partition des bandes magnétiques de destination de migration.
PCT/JP2021/042670 2021-02-15 2021-11-19 Dispositif de traitement d'informations, procédé de traitement d'informations et programme de traitement d'informations WO2022172549A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2022581193A JPWO2022172549A1 (fr) 2021-02-15 2021-11-19

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021021959 2021-02-15
JP2021-021959 2021-02-15

Publications (1)

Publication Number Publication Date
WO2022172549A1 true WO2022172549A1 (fr) 2022-08-18

Family

ID=82838590

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2021/042670 WO2022172549A1 (fr) 2021-02-15 2021-11-19 Dispositif de traitement d'informations, procédé de traitement d'informations et programme de traitement d'informations

Country Status (2)

Country Link
JP (1) JPWO2022172549A1 (fr)
WO (1) WO2022172549A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012243339A (ja) * 2011-05-17 2012-12-10 Nec Corp 磁気テープ装置、磁気テープ用データ再配置方法、及びそのプログラム
JP2016095766A (ja) * 2014-11-17 2016-05-26 インターナショナル・ビジネス・マシーンズ・コーポレーションＩｎｔｅｒｎａｔｉｏｎａｌ Ｂｕｓｉｎｅｓｓ Ｍａｃｈｉｎｅｓ Ｃｏｒｐｏｒａｔｉｏｎ 複数のテープカートリッジにファイルをスパニングして書込む方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012243339A (ja) * 2011-05-17 2012-12-10 Nec Corp 磁気テープ装置、磁気テープ用データ再配置方法、及びそのプログラム
JP2016095766A (ja) * 2014-11-17 2016-05-26 インターナショナル・ビジネス・マシーンズ・コーポレーションＩｎｔｅｒｎａｔｉｏｎａｌ Ｂｕｓｉｎｅｓｓ Ｍａｃｈｉｎｅｓ Ｃｏｒｐｏｒａｔｉｏｎ 複数のテープカートリッジにファイルをスパニングして書込む方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"Linux Textbook - LPIC Level 1 Version 4", 5 December 2015, SHOEISHA CO., LTD, JP, ISBN: 4798144924, article NOKAZU NAKAJIMA: "Chapter 5.2.1. Checking disk usage", pages: 217 - 220, XP009530834 *

Also Published As

Publication number Publication date
JPWO2022172549A1 (fr) 2022-08-18

Similar Documents

Publication Publication Date Title
WO2021171814A1 (fr) Dispositif de traitement d'informations, procédé de traitement d'informations et programme de traitement d'informations
WO2021171683A1 (fr) Dispositif de traitement d'informations, procédé de traitement d'informations et programme de traitement d'informations
WO2022172549A1 (fr) Dispositif de traitement d'informations, procédé de traitement d'informations et programme de traitement d'informations
WO2021171816A1 (fr) Dispositif, procédé et programme de traitement d'informations
WO2022044434A1 (fr) Dispositif, procédé et programme de traitement d'informations
WO2022172548A1 (fr) Dispositif de traitement d'informations, procédé de traitement d'informations, et programme de traitement d'informations
WO2022163078A1 (fr) Dispositif de traitement d'informations, procédé de traitement d'informations, et programme de traitement d'informations
WO2022044433A1 (fr) Dispositif de traitement d'informations, procédé de traitement d'informations, et programme de traitement d'informations
WO2022168405A1 (fr) Dispositif, procédé et programme de traitement d'information
WO2022185650A1 (fr) Dispositif, procédé et programme de traitement d'informations
EP4141639A1 (fr) Appareil, procédé et programme de traitement d'informations
WO2022176345A1 (fr) Dispositif de traitement d'informations, procédé de traitement d'informations et programme de traitement d'informations
WO2021171815A1 (fr) Dispositif, procédé et programme de traitement d'informations
WO2022049832A1 (fr) Dispositif, procédé et programme de traitement d'informations
WO2022168399A1 (fr) Dispositif de traitement d'informations, procédé de traitement d'informations et programme de traitement d'informations
EP4134803A1 (fr) Appareil, procédé et programme de traitement d'informations
US20230047128A1 (en) Information processing apparatus, information processing method, and information processing program
US20230064391A1 (en) Information processing apparatus, information processing method, and information processing program
WO2022176344A1 (fr) Dispositif, procédé et programme de traitement d'informations
US20240094935A1 (en) Information processing apparatus, information processing method, and information processing program
WO2021177246A1 (fr) Dispositif de traitement d'informations, procédé de traitement d'informations, et programme de traitement d'informations
WO2021186774A1 (fr) Dispositif de traitement d'informations, procédé de traitement d'informations et programme de traitement d'informations
US20230065229A1 (en) Information processing apparatus, information processing method, and information processing program
WO2022049831A1 (fr) Dispositif de traitement d'informations, procédé de traitement d'informations et programme de traitement d'informations
WO2022044458A1 (fr) Dispositif, procédé et programme de traitement d'informations

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21925794

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2022581193

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21925794

Country of ref document: EP

Kind code of ref document: A1