Abstract: The present invention relates to data analysis for evaluating a plurality of pieces of object data; and the evaluation corresponds to the relation between each piece of object data and a specified case. An index that enables ranking of the plurality of pieces of object data is generated by the evaluation and the index changes based on an input entered by a user. A pattern is extracted that characterizes the reference data from the reference data according to the classification information assigned by the input. The index is determined by evaluating the relation between the object data and the specified case based on the extracted pattern and set to the object data. The plurality of pieces of object data are ranked according to the index and reported the user.

Abstract: A document classification system is provided. The document classification system analyzes digital document information which is collected to be submitted as evidence in a lawsuit and classifies the digital document information.

Abstract: Efficiency in monitoring documents is promoted by quantifying the priorities of the documents to be monitored. A document analysis system (1) includes: a score calculation unit (116) that calculates a score indicating strength of linkage between a document included in document information and a classification code indicating the relevance between the document information and a lawsuit or a fraud investigation; and a score report unit (701) that reports the score to a user according to the calculated score.

Abstract: A document classification and inspection system obtains digital information recorded in plural computers or servers, extracts a document from document information configured by plural documents, included in the obtained digital information, calculates a score indicating the strength of connection between the document and a classification code for the extracted document in a time-series manner, detects a time-series score change from the calculated score, and inspects the degree of relevance between an inspection case and the extracted document from the detected time-series score change.

Abstract: It is possible to reduce a review load of a reviewer. A document management system acquires digital information recorded in a plurality of computers or a server and analyzes the acquired digital information for relevance to a lawsuit. The document management system includes a thread classification unit that verifies supplementary information of each piece of document data included in the digital information and classifies the document data into threads based on the supplementary information, a similarity analysis unit that extracts elements included in the supplementary information of the classified document data for each thread and analyzes similarity between the threads based on the extracted elements, and an integration unit that integrates the threads based on the similarity.

Abstract: The present invention relates to data analysis for evaluating a plurality of pieces of object data; and the evaluation corresponds to the relation between each piece of object data and a specified case. An index that enables ranking of the plurality of pieces of object data is generated by the evaluation and the index changes based on an input entered by a user. A pattern is extracted that characterizes the reference data from the reference data according to the classification information assigned by the input. The index is determined by evaluating the relation between the object data and the specified case based on the extracted pattern and set to the object data. The plurality of pieces of object data are ranked according to the index and reported the user.

Abstract: A document classification system is provided. The document classification system analyzes digital document information which is collected to be submitted as evidence in a lawsuit and classifies the digital document information.

Abstract: Possible events in the future can be predicted by analyzing existing data. A document analysis system (1) includes: a score calculator (116) that calculates a score that represents a strength of connection of a document extracted from document information to a classification symbol representing a degree of relevancy between the document information and a litigation or fraud investigation; a phase identifying section (122) that identifies a phase by which a predetermined action to be a cause of the litigation or fraud investigation is classified along with development of the predetermined action, based on the calculated score; and a change estimation unit (120) that estimates change in the identified phase, based on temporal transition of the phase.

Abstract: In discovery, it is necessary to execute efficiently work and the like. A data analysis system (5) includes an identifying section (121) that, when a first word that indicates a predetermined action is included in data, identifies a second word that indicates an object of the predetermined action; and an association assigner (122) that associates attribute information that indicates an attribute of data including the first word and the second word with the first word and second word.

Abstract: Analysis of document information used for a litigation is to be facilitated. A document analysis system of the present invention includes an investigation basis database that stores a generation process model of occurrence of a predetermined action to be a cause of a litigation or fraud investigation, for each of phases classified according to development of the predetermined action, stores information related to the litigation or fraud investigation, for each of categories to which the litigation or fraud investigation belongs and the generation process model, and further stores time series information representing temporal order of the phases, and a relationship between people related to the litigation or fraud investigation; and an identifying section that analyzes the document information, based on information related to the litigation or fraud investigation, the generation process model, the time series information, and the relationship between people, and identifies a current phase.

Abstract: Disclosed is a forensic system capable of enhancing the accuracy and efficiency of classification work of whether to submit document information as evidence in a lawsuit by highlighting a portion including a specific keyword in a unit of a sentence. The forensic system includes: a database that registers a keyword for determining by a user whether a plurality of pieces of document information included in the digital information is related to a lawsuit; a retrieving unit that retrieves the keyword registered in the database from the document information; a sentence extracting unit that extracts a sentence including the retrieved keyword from the document information; a score calculating unit that calculates a score indicating a degree of relevance to the lawsuit using a feature value extracted from the sentence extracted by the sentence extracting unit; and a highlighting unit that changes a degree of highlighting of the sentence according to the score.

Abstract: A correlation display system, correlation display method, and correlation display program capable of outputting the relationship between a plurality of persons in a manner visibly recognizable by a user are provided. A correlation display system 1 includes: a communication data acquisition unit 10 that acquires communication data transmitted and received between a plurality of terminals and thereby associated with each of a plurality of persons; an analysis unit 12 that analyzes content of the communication data acquired by the communication data acquisition unit 10; an evaluation unit 16 that evaluates the relationship between the content of the communication data and a predetermined event by using an analysis result of the analysis unit 12; and a display unit 18 that displays the relationship between a plurality of persons related to the event on the basis of an evaluation result of the evaluation unit 16.

Abstract: It is possible to analyze digitized document information gathered to be provided as evidence in a legal action and to classify the document information to be easily accessible in the legal action.

Abstract: The present invention relates to data analysis for evaluating a plurality of pieces of object data; and the evaluation corresponds to the relation between each piece of object data and a specified case. An index that enables ranking of the plurality of pieces of object data is generated by the evaluation and the index changes based on an input entered by a user. A pattern is extracted that characterizes the reference data from the reference data according to the classification information assigned by the input. The index is determined by evaluating the relation between the object data and the specified case based on the extracted pattern and set to the object data. The plurality of pieces of object data are ranked according to the index and reported the user.

Abstract: A document analysis system obtains digital information recorded in plural computers or servers, analyzes document information configured by plural documents, included in the obtained digital information, and provides the document information for easy use in a lawsuit or an illegality inspection. The document analysis system includes: an inspection category input receiving unit that receives an input of a category of the lawsuit or the illegality inspection; an inspecting unit that performs an inspection based on the category received by the inspection category input receiving unit; and a report preparing unit that prepares a report for reporting a result of the inspection performed by the inspecting unit.

Abstract: A document classification system is described that acquires digital information recorded on multiple computers or servers. The document classification system analyzes document information included in the acquired digital information, and classifies the document information to make it easy to use the document information in a lawsuit. The document classification system includes: an extraction unit; a classification code accepting unit; a selection unit; a search unit; a score calculation unit; an automatic classification unit; and a display control unit.

Abstract: In order to improve the accuracy of determination on digital information, a digital information analysis system includes a first classification code receiving unit that receives a first classification code manually granted to target data, a relevance score calculation unit that calculates a relevance score of the target data, a correctness determination unit that determines the correctness of the first classification code based on the relevance score, and a classification code determination unit that determines a classification code to be granted to the target data based on the determination result of the correctness determination unit.

Abstract: A document investigation system, method, and program for conducting precise and reliable investigations depending on a lawsuit case and reducing burdens on work to investigate the relevant document information are provided. A computer: analyzes case-investigation-result-related information with respect to each lawsuit case; prepares or updates, and registers an investigation model parameter(s) to investigate the lawsuit case; extracts an investigation model parameter from the registered investigation model parameters in relation to input information for specifying the investigation content of a new investigation case; outputs an investigation model by using the extracted investigation model parameter; and configures and provides prior information to investigate the new investigation case based on the investigation model output result.

Abstract: A forensic system includes a result information receiving unit that receives result information which is a determination result of connection between a lawsuit and a document group including a predetermined number of documents, which is extracted from document data included in digital information, by a user, an element selection unit that calculates evaluation values of elements which commonly appear in the document group in each result information item from the characteristics of the elements and selects the elements on the basis of the evaluation values, a score calculation unit that calculates a score of each document in the document data from the selected elements included in each document of the document data and the evaluation values of the selected elements, and a recall ratio calculation unit that calculates a recall ratio related to the determination of the connection to the lawsuit on the basis of the score.

Abstract: The present invention includes: an extraction unit that extracts a specified quantity of documents, as targets to be classified by a user, from document information; a classification code accepting unit that accepts a classification code which is an identifier used when categorizing the documents, and is assigned by the user to each of the extracted documents; a database that records keywords selected from the extracted documents on the basis of the classification code; a score calculation unit that calculates a score which evaluates linkage strength between documents included in the document information, and the classification code on the basis of the keywords; and a judgment unit that judges whether the number of times of the calculation of the score has reached a specified number of times or not; wherein when the judgment unit determines that the number of times of the calculation of the score has not reached the specified number of times, the score calculation unit recalculates the score on the basis of a