公开(公告)号：US20190340520A1

公开(公告)日：2019-11-07

申请号：US16349505

申请日：2017-10-31

Applicant: NEC CORPORATION

Inventor： Masafumi OYAMADA ,  Shinji NAKADAI

IPC: G06N5/04 ,  G06F16/28 ,  G06N20/00

Abstract: A prediction model generation system is provided that is capable of generating a prediction model for accurately predicting a relationship between an ID of a record in first master data and an ID of a record in second master data. Co-clustering means 71 performs co-clustering processing for performing co-clustering on first IDs and second IDs in accordance with first master data, second master data, and fact data indicating a relationship between each of the first IDs and each of the second IDs. Prediction model generation means 72 performs prediction model generation processing for generating a prediction model for each combination of a first ID cluster and a second ID cluster. The prediction model uses the relationship between each of the first IDs and each of the second IDs as an objective variable. The first ID cluster serves as a cluster of the first IDs. The second ID cluster serves as a cluster of the second IDs. The prediction model generation processing and the co-clustering processing are repeated until it is determined that a prescribed condition is satisfied.

公开(公告)号：US20220188926A1

公开(公告)日：2022-06-16

申请号：US17442156

申请日：2019-03-28

Applicant: NEC Corporation

Inventor： Masafumi OYAMADA ,  Keigo KIMURA ,  Kunihiro TAKEOKA

IPC: G06Q40/04

Abstract: The acquisition unit 52A acquires request information S1, which is information regarding possession data owned by a data owner, from an owner terminal 2 used by the data owner. The determination unit 53A determines whether or not there is shortage data other than the possession data required to perform a designation task that is designated. The notification unit 54A notifies, when the determination unit 53A determines that there is the shortage data, the owner terminal 2 of shortage data information S2 that is information regarding shortage information.

公开(公告)号：US20220164842A1

公开(公告)日：2022-05-26

申请号：US17441793

申请日：2019-03-28

Applicant: NEC Corporation

Inventor： Masafumi OYAMADA ,  Keigo KIMURA ,  Kunihiro TAKEOKA

IPC: G06Q30/06 ,  G06Q30/02

Abstract: The acquisition unit 52B acquires sales request information S1, which is request information regarding a sale of data owned by a data owner, from an owner terminal 2 used by the data owner. The determination unit 53B determines, on a basis of the sales request information S1, whether or not there is a customer who demands the data. The notification unit 54B notifies, in a case where the determination unit 53B determines that there is the customer, the owner terminal 2 of sales response information S2 indicating information regarding the customer for the data.

公开(公告)号：US20210042649A1

公开(公告)日：2021-02-11

申请号：US16978412

申请日：2018-03-08

Applicant: NEC CORPORATION

Inventor： Masafumi OYAMADA ,  Kunihiro TAKEODA

IPC: G06N5/04 ,  G06F16/22

Abstract: A table meaning candidate selection means 503 selects a candidate for meaning of a table whose meaning is to be inferred. A table similarity computation means 504 computes, for each candidate for meaning selected by the table meaning candidate selection means 503, a score indicating a similarity between the selected candidate for meaning and meaning of each table, other than the table whose meaning is to be inferred, related to the table whose meaning is to be inferred. A table meaning identification means 505 identifies meaning of the table whose meaning is to be inferred from the candidates for meaning of the table with use of the score computed by the table similarity computation means 504.

公开(公告)号：US20250117581A1

公开(公告)日：2025-04-10

申请号：US18729950

申请日：2022-01-25

Applicant: NEC Corporation

Inventor： Masafumi OYAMADA ,  Taro YANO ,  Kunihiro TAKEOKA ,  Kosuke AKIMOTO

IPC: G06F40/279 ,  G06F40/40

Abstract: In order to classify, stably with high accuracy, a document to be classified, a document classification apparatus (1) includes: a strategy selection section (11) that selects at least one generation strategy from among a plurality of generation strategies for generating a hypothetical sentence related to a candidate classification as which a document is to be classified; a hypothetical sentence generation section (12) that generates, in accordance with the at least one generation strategy selected by the strategy selection section (11), the hypothetical sentence, which is a sentence related to the candidate classification; and a classification section (13) that determines, on the basis of entailment between the document and the hypothetical sentence, a classification as which the document is to be classified.

公开(公告)号：US20240152963A1

公开(公告)日：2024-05-09

申请号：US18281169

申请日：2021-03-18

Applicant: NEC Corporation

Inventor： Masafumi OYAMADA

IPC: G06Q30/0251 ,  G06Q30/0217

CPC classification number: G06Q30/0256 ,  G06Q30/0217

Abstract: In order to attain an object of evaluating a value of data of a seller, an information processing apparatus (1) includes: an extending means (21) that extends, with use of published data (40) which is possessed by a seller (S) and which has been published or is scheduled to be published, target data (D1) which is possessed by a buyer (B) and which is a subject to be analyzed; and an estimating means (22) that estimates a degree of value enhancement (46) of a second analysis result (45) relative to with respect to a first analysis result (44), the first analysis result (44) being a result of analyzing the target data having not been extended yet (41), the second analysis result (45) being a result of analyzing the target data having been already extended (43).

公开(公告)号：US20240095286A1

公开(公告)日：2024-03-21

申请号：US18274449

申请日：2021-03-31

Applicant: NEC Corporation

Inventor： Masafumi OYAMADA

IPC: G06F16/906

CPC classification number: G06F16/906

Abstract: In order to automatically classify data without using a classifier constructed by machine learning, an information processing apparatus (1) includes: a data acquiring section (11) for acquiring target data, which is data to be classified into one of a plurality of categories in a hierarchical structure; and a classifying section (12) for classifying the target data into one of the plurality of categories in accordance with (i) a matching degree indicating a degree to which the target data matches that category and (ii) an upper-level matching degree indicating a degree to which the target data matches an upper-level category of that category.

公开(公告)号：US20230394016A1

公开(公告)日：2023-12-07

申请号：US18024163

申请日：2020-09-02

Applicant: NEC Corporation

Inventor： Yuyang DONG ,  Masafumi OYAMADA

IPC: G06F16/22 ,  G06F16/2453 ,  G06F16/2455

CPC classification number: G06F16/221 ,  G06F16/24542 ,  G06F16/2455

Abstract: A coupling table search device 530 includes: input means 531 that receives an input of a coupling index from a coupling index storage unit 520; search plan generation means 532 that calculates, for each coupling index, the number of results that is the number of couplable record pairs estimated in a case where a record in a target column is found using the coupling index for each similarity function, and generates a search plan that defines a use order of the coupling index in descending order of the calculated number of results; and record search means 533 that searches for a record in the target column by using the coupling index in the order defined in the search plan, and specifies the external table in which records whose number is equal to or larger than a predetermined threshold have been found as a coupling table.

公开(公告)号：US20230237039A1

公开(公告)日：2023-07-27

申请号：US18023830

申请日：2020-09-02

Applicant: NEC Corporation

Inventor： Yuyang DONG ,  Masafumi OYAMADA

IPC: G06F16/22

CPC classification number: G06F16/2282 ,  G06F16/221

Abstract: Input means 731 receives an input of a coupling table, a candidate column, and a base table. Coupling means 732 couples a column corresponding to the candidate column in the coupling table to the base table. Feature selection means 733 selects a feature that improves performance of a task based on data included in the coupled candidate column. Integrated table output means 734 outputs an integrated table obtained by coupling a column including the selected feature and the base table.

公开(公告)号：US20230042969A1

公开(公告)日：2023-02-09

申请号：US17797357

申请日：2020-02-25

Applicant: NEC Corporation

Inventor： Masafumi OYAMADA

IPC: G06K9/00 ,  G06F3/0482

Abstract: The group determination means 13 determines a group of item names from a set of item names of unclassified items. The display control means 14 displays individual item names belonging to the group, and displays a plurality of candidates of a classification name for each item represented by each item name belonging to the group in a user-specifiable manner. When one of the plurality of candidates of the classification name is specified by a user, the classification determination means 16 determines that each item represented by each item name belonging to the group is classified by the classification name specified by the user.