Patent application number | Description | Published |
20120246485 | ENCRYPTING METHOD, RECORDING MEDIUM OF ENCRYPTING PROGRAM, DECRYPTING METHOD, AND RECORDING MEDIUM OF DECRYPTING PROGRAM - An encrypting method including encrypting a first data segment of encryption target data on the basis of first key information, generating second key information on the basis of the first data segment by using a predetermined algorithm, and encrypting a second data segment of the encryption target data, which is different from the first data segment, on the basis of the second key information. | 09-27-2012 |
20130086086 | INFORMATION GENERATING COMPUTER PRODUCT, APPARATUS, AND METHOD; AND INFORMATION SEARCH COMPUTER PRODUCT, APPARATUS, AND METHOD - A computer-readable recording medium stores a program causing a computer to execute an information generating process that includes tabulating an appearance frequency for each designated word in an object file group in which character strings are described; identifying for each designated word and based on the appearance frequency tabulated for the designated word, a rank in descending order up to a target appearance rate for the designated words; detecting in an object file selected from the object file group, specific designated words among the identified ranks; and generating for each of the detected specific designated words, index information that indicates the presence/absence of the specific designated word in each object file among the object file group. | 04-04-2013 |
20130117575 | ENCRYPTION APPARATUS, ENCRYPTION METHOD, DECRYPTION APPARATUS, DECRYPTION METHOD AND SYSTEM - An encryption method includes encrypting a first portion and second portion each of which is included in data to be encrypted, encrypting first information used for decryption of the first data portion, and associating second information used for decryption of the second portion with a predetermined part of the first data portion. | 05-09-2013 |
20130117576 | CONVERTING APPARATUS, CONVERTING METHOD, AND RECORDING MEDIUM OF CONVERTING PROGRAM - A converting method includes storing correspondence of each of first-type coded information, included in a first-type coded information group, and one of second-type coded information, included in a second-type coded information group, based on input information, by a processor, and converting, when input data includes the first-type coded information, first-type coded information in the input data into second-type coded information, based on the correspondence. | 05-09-2013 |
20130181851 | ENCODING METHOD, ENCODING APPARATUS, DECODING METHOD, DECODING APPARATUS, AND SYSTEM - An encoding method includes searching a search target symbol string within a specific range from the end of a symbol string, which has been utilized for encoding, for a match symbol string corresponding to a beginning symbol string of a symbol string to be encoded, encoding the beginning symbol string based on a distance between the match symbol string and the beginning symbol string, and a length of the match symbol string. | 07-18-2013 |
20130218916 | FILE MANAGEMENT APPARATUS, FILE MANAGEMENT METHOD, AND FILE MANAGEMENT SYSTEM - An information processing apparatus includes a processor configured to divide a first file of a first plurality of files stored in a storage device into a second plurality of files, each of the second plurality of files including a different range of values, when each range of values corresponding to each of the first plurality of files includes a specific range and a total size of the first plurality of files exceeds a threshold. | 08-22-2013 |
20130238865 | DECOMPRESSION APPARATUS AND DECOMPRESSION METHOD - A decompression apparatus includes a memory configured to store a dictionary data including, in association with a compression code, a decompression symbol and address information indicating a position of flag information, which indicates whether the decompressed symbol is included in a block of decompressed data obtained by decompressing a block of compressed data or not, and a processor configured to execute a procedure, the procedure including accessing the dictionary data stored in the memory, obtaining, from the dictionary data, the decompressed symbol and the address information associated with the compressed symbol included in the block of compressed data, generating the decompressed data by using the obtained decompressed symbol, and updating the flag information stored at the position indicated by the obtained address information. | 09-12-2013 |
20130318072 | SEARCHING APPARATUS, AND SEARCHING METHOD - A searching apparatus includes a processor configured to receive searching character information, in a case that document data includes a designation that first character information and second character information are provided in adscript description, to copy state information indicating a state of a collating process of the searching character information on third character information in front of the designation in the document data, to update the state information based on a result of collating the first character information with the searching character information, and to update the copied state information based on a result of collating the second character information with the searching character information. | 11-28-2013 |
20130318082 | GENERATION APPARATUS, GENERATION METHOD, SEARCHING APPARATUS, AND SEARCHING METHOD - A generation apparatus includes a processor configured to generate existence information indicating that character information including a plurality of continuing characters is included in the file, and in a case that first adscript designation and second adscript designation following to the first adscript designation are included in the file, the first adscript designation designating that first character information is written down with second character information, the second adscript designation designating that third character information is written down with fourth character information, generate another existence information indicating that another character information, which includes an end part of the first character information and a head part of the fourth character information following the end part, is included in the file. | 11-28-2013 |
20130318124 | COMPUTER PRODUCT, RETRIEVING APPARATUS, AND RETRIEVAL METHOD - A retrieving apparatus includes a processor that specifies in each tier of synonym dictionary data, classification codes of a search word in a search character string and those of a comparison word in character strings for comparison; extracts from among the specified classification codes, classification codes in a specific tier; judges for each character string for comparison, whether the extracted classification code of the search word and that of the comparison word match; counts for the specific tier, matching classification codes; determines based on the count, whether a character string is to be excluded whose classification code of the comparison word for the specific tier does not match that of the search word; calculates based on the specified classification code of the search word and that of the comparison word in the character string not to be excluded, similarity between the two character strings; and outputs a calculation result. | 11-28-2013 |
20130332433 | COMPUTER PRODUCT, GENERATING APPARATUS, AND GENERATING METHOD - A computer-readable recording medium stores a program causing a computer to execute tabulating a number of character data types for each compression code length specified by an occurrence probability corresponding to an appearance rate of each character data in a file; determining an upper limit_N of compression code length assigned to the character data, among lengths from a minimum to a maximum compression code length and based on the total number of character data types; correcting the number of character data types for the upper limit_N, to the sum of the numbers of character data types for the compression code lengths at least equal to the upper limit_N; and constructing a 2 | 12-12-2013 |
20130346443 | COMPUTER PRODUCT, SEARCHING APPARATUS, AND SEARCHING METHOD - A compression file formed by compressing an object file is compared in a compressed state with a compression code string that matches with a compression character string of a character string to be searched for. The compression code string acquiring no match as the result of the comparison is decompressed as it is. On the other hand, the compression code string acquiring match is substituted with a substituted character string in a comparison and substitution table generated in advance. | 12-26-2013 |
20140059075 | EXTRACTING METHOD, INFORMATION PROCESSING METHOD, COMPUTER PRODUCT, EXTRACTING APPARATUS, AND INFORMATION PROCESSING APPARATUS - An extracting method that is executed by a computer. The extracting method includes storing first information into a storage device, wherein the first information indicates for each of a plurality of files and for each of a plurality of character data, whether the file includes the character data; storing second information into the storage device when a given file included in the files is updated, wherein the second information indicates for each of the character data, whether the given file includes the character data; and extracting a file group from the files when a search request is received, wherein from the file group, a file is excluded that is indicated by the first information and the second information not to include a character data to be searched for included in the search request. | 02-27-2014 |
20140236993 | COLLATION CONTROL DEVICE, AND COLLATION CONTROL METHOD - A computer receives a retrieval request with a retrieval character string, adds control information to a region corresponding to code information included in a management region used for extending encoded data when an extension result of the code information matches a first character of the retrieval character string when the encoded data to be retrieved is sequentially extended in response to the retrieval request, and performs collation processing between the retrieval character string and character string information corresponding to data of the extension result of the code information when the control information is added to a partial region corresponding to code information to be extended in the extension. | 08-21-2014 |
20140324878 | SYSTEM AND METHOD FOR SEARCH INDEXING - A system includes circuitry configured to: read a plurality of character information and a plurality of identifiers that are included in a text file; determine whether a character information among the plurality of character information is included between the at least one pair of identifiers among the plurality of identifiers in the text file; and associate the character information with the at least one pair of identifiers when it is determined that the character information is included between the at least one pair of identifiers. | 10-30-2014 |
20150032705 | INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD, AND COMPUTER PRODUCT - An information processing system includes a processor configured to create, when object data is compressed for each word in units of records, count data that indicates for each record of the object data, an appearance count of each word, the count data being added to the object data that has been compressed; and identify based on the count data, a second character string that corresponds to a first character string defined as a search condition for the object data. | 01-29-2015 |
20150033185 | NON-TRANSITORY COMPUTER-READABLE MEDIUM STORING SELECTED CHARACTER SPECIFICATION PROGRAM, SELECTED CHARACTER SPECIFICATION METHOD, AND SELECTED CHARACTER SPECIFICATION DEVICE - A non-transitory computer-readable medium storing a selected character specification program that causes a computer to execute a process including detecting a character region indicating a region, in which each character of the displayed character string is displayed on a screen, based on character string display information, specifying a stroke of a closed curved line designated on the screen based on input operation information, and specifying one or a plurality of successive characters, in which a ratio of an area of a selected region based on uppermost, lowermost, leftmost, and rightmost points of the stroke of the closed curved line in the character region to an area of the character region exceeds a threshold, as selected character among a respective character of the displayed character string overlapped with the stroke of the closed curved line. | 01-29-2015 |
20150052170 | METHOD, SEARCH METHOD, AND STORAGE MEDIUM - A method includes: storing, by a processor, in a storage region represented by first character information and identification information of a first file, presence or absence information that represents whether or not the first file includes the character information or whether or not a second file that is different from the first file includes second character information, wherein the storage region stores information that represents whether or not the second file includes the second character information. | 02-19-2015 |
20150088944 | GENERATING METHOD, GENERATING APPARATUS, AND RECORDING MEDIUM - A non-transitory computer-readable recording medium has stored therein a generating program that causes a computer to execute a process including: selecting a control mode from a first control mode and a second control mode in accordance with whether a document element that includes a predetermined number or more of child elements is present in a document file, the first control mode and the second control mode determining storing locations of data in the document file from a plurality of blocks, the first control mode determining the storing locations of data in the document file for each document element in a hierarchy of the child elements, and the second control mode determining the storing locations of data in the document file for each document element in the hierarchy of the document element that includes the child elements or in the hierarchy higher than the hierarchy of the document element. | 03-26-2015 |