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公开(公告)号：US10037435B2
公开(公告)日：2018-07-31
申请号：US15234134
申请日：2016-08-11
发明人： Michael Baessler , Jochen Doerre , Thomas A. P. Hampp-Bahnmueller , Philipp Hoffmann , Daniel Pittner , Werner Schollenberger
CPC分类号： G06F21/6227 , G06F16/316 , G06F16/3331 , H04L9/14 , H04L63/0428 , H04L63/06 , H04L2463/061 , H04L2463/062
摘要： Providing an encrypted search index for performing searches on encrypted documents, the method comprising: (i) providing a set of documents, the documents comprising a plurality of unencrypted phrases; (ii) providing a master key; (iii) providing, based on the master key, for each phrase a set of encryption keys comprising one or more encryption keys; (iv) selecting, for each phrase, one encryption key of the set of encryption keys; (v) encrypting each phrase with the selected encryption key; and (vi) building an index based on the encrypted phrases, the index comprising information regarding which encrypted phrase is comprised within a certain document.
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公开(公告)号：US20150278261A1
公开(公告)日：2015-10-01
申请号：US14230568
申请日：2014-03-31
发明人： Michael Baessler , Jochen Doerre , Thomas A. P. Hampp-Bahnmueller , Philipp Hoffmann , Markus Lorch , Juergen Maletz , Daniel Pittner
CPC分类号： G06F17/2735 , G06F17/22 , G06F17/2276 , G06F17/30321
摘要： A computer-implemented method, carried out by one or more processors, for consolidating an index entry of a dictionary. In an embodiment, the method comprises the steps of receiving, by one or more processors, a set of parameters, wherein the set of parameters indicates at least a length of prefix and a length of hash value; receiving, by one or more processors, a first term for entry into an index; converting, by one or more processors, the first term for entry into the index according to the set of parameters; and responsive to determining the converted first term is not present in the index, storing, by one or more processors, the first converted term into the index.
摘要翻译： 由一个或多个处理器执行的用于整合字典的索引条目的计算机实现的方法。 在一个实施例中，该方法包括以下步骤：由一个或多个处理器接收一组参数，其中该组参数指示前缀的长度和散列值的长度的至少一个长度; 由一个或多个处理器接收用于进入索引的第一项; 通过一个或多个处理器转换根据参数集合进入索引的第一项; 并且响应于确定所转换的第一项不在所述索引中，由一个或多个处理器将所述第一转换项存储到所述索引中。
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公开(公告)号：US10013673B2
公开(公告)日：2018-07-03
申请号：US15155164
申请日：2016-05-16
发明人： Michael Baessler , Jochen Doerre , Thomas A. P. Hampp-Bahnmueller , Philipp Hoffmann , Juergen Maletz , Daniel Pittner , Werner Schollenberger
CPC分类号： G06Q10/105 , G06F16/13 , G06F16/93 , G06F17/2705 , G06Q10/107 , H04L61/1594
摘要： A computer processor may extract identity information from a document. The identity information may include at least one custodian identity attribute. After extracting the identity information, the computer processor may determine that the identity information is associated with a specific custodian. The computer processor may then search for the custodian identity attribute in a custodian directory to determine whether the custodian directory contains an entry for the custodian. If the custodian is not in the custodian directory, the computer processor may create a new entry in the custodian directory for the custodian and store the extracted identity information in the new entry.
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公开(公告)号：US09940322B2
公开(公告)日：2018-04-10
申请号：US14230568
申请日：2014-03-31
发明人： Michael Baessler , Jochen Doerre , Thomas A. P. Hampp-Bahnmueller , Philipp Hoffmann , Markus Lorch , Juergen Maletz , Daniel Pittner
CPC分类号： G06F17/2735 , G06F17/22 , G06F17/2276 , G06F17/30321
摘要： A computer-implemented method, carried out by one or more processors, for consolidating an index entry of a dictionary. In an embodiment, the method comprises the steps of receiving, by one or more processors, a set of parameters, wherein the set of parameters indicates at least a length of prefix and a length of hash value; receiving, by one or more processors, a first term for entry into an index; converting, by one or more processors, the first term for entry into the index according to the set of parameters; and responsive to determining the converted first term is not present in the index, storing, by one or more processors, the first converted term into the index.
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公开(公告)号：US20170060940A1
公开(公告)日：2017-03-02
申请号：US15234134
申请日：2016-08-11
发明人： Michael Baessler , Jochen Doerre , Thomas A. P. Hampp-Bahnmueller , Philipp Hoffmann , Daniel Pittner , Werner Schollenberger
CPC分类号： G06F21/6227 , G06F17/30619 , G06F17/30657 , H04L9/14 , H04L63/0428 , H04L63/06 , H04L2463/061 , H04L2463/062
摘要： Providing an encrypted search index for performing searches on encrypted documents, the method comprising: (i) providing a set of documents, the documents comprising a plurality of unencrypted phrases; (ii) providing a master key; (iii) providing, based on the master key, for each phrase a set of encryption keys comprising one or more encryption keys; (iv) selecting, for each phrase, one encryption key of the set of encryption keys; (v) encrypting each phrase with the selected encryption key; and (vi) building an index based on the encrypted phrases, the index comprising information regarding which encrypted phrase is comprised within a certain document.
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公开(公告)号：US10007894B2
公开(公告)日：2018-06-26
申请号：US14805631
申请日：2015-07-22
发明人： Michael Baessler , Jochen Doerre , Thomas A. P. Hampp-Bahnmueller , Philipp Hoffmann , Juergen Maletz , Daniel Pittner , Werner Schollenberger
CPC分类号： G06Q10/105 , G06F16/13 , G06F16/93 , G06F17/2705 , G06Q10/107 , H04L61/1594
摘要： A computer processor may extract identity information from a document. The identity information may include at least one custodian identity attribute. After extracting the identity information, the computer processor may determine that the identity information is associated with a specific custodian. The computer processor may then search for the custodian identity attribute in a custodian directory to determine whether the custodian directory contains an entry for the custodian. If the custodian is not in the custodian directory, the computer processor may create a new entry in the custodian directory for the custodian and store the extracted identity information in the new entry.
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公开(公告)号：US20170024696A1
公开(公告)日：2017-01-26
申请号：US14805631
申请日：2015-07-22
发明人： Michael Baessler , Jochen Doerre , Thomas A.P. Hampp-Bahnmueller , Philipp Hoffmann , Juergen Maletz , Daniel Pittner , Werner Schollenberger
IPC分类号： G06Q10/10
CPC分类号： G06Q10/105 , G06F17/2705 , G06F17/30011 , G06F17/30091 , G06Q10/107 , H04L61/1594
摘要： A computer processor may extract identity information from a document. The identity information may include at least one custodian identity attribute. After extracting the identity information, the computer processor may determine that the identity information is associated with a specific custodian. The computer processor may then search for the custodian identity attribute in a custodian directory to determine whether the custodian directory contains an entry for the custodian. If the custodian is not in the custodian directory, the computer processor may create a new entry in the custodian directory for the custodian and store the extracted identity information in the new entry.
摘要翻译： 计算机处理器可以从文档中提取身份信息。 身份信息可以包括至少一个保管人身份属性。 在提取身份信息之后，计算机处理器可以确定身份信息与特定保管人相关联。 然后，计算机处理器可以在保管人目录中搜索保管人身份属性，以确定保管人目录是否包含保管人的条目。 如果保管人不在保管人目录中，计算机处理器可以在保管人的保管人目录中创建一个新条目，并将提取的身份信息存储在新条目中。
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公开(公告)号：US20180232698A1
公开(公告)日：2018-08-16
申请号：US15955249
申请日：2018-04-17
发明人： Michael Baessler , Jochen Doerre , Thomas A. P. Hampp-Bahnmueller , Philipp Hoffmann , Juergen Maletz , Daniel Pittner , Werner Schollenberger
CPC分类号： G06Q10/105 , G06F16/13 , G06F16/93 , G06F17/2705 , G06Q10/107 , H04L61/1594
摘要： A computer processor may extract identity information from a document. The identity information may include at least one custodian identity attribute. After extracting the identity information, the computer processor may determine that the identity information is associated with a specific custodian. The computer processor may then search for the custodian identity attribute in a custodian directory to determine whether the custodian directory contains an entry for the custodian. If the custodian is not in the custodian directory, the computer processor may create a new entry in the custodian directory for the custodian and store the extracted identity information in the new entry.
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公开(公告)号：US20170061151A1
公开(公告)日：2017-03-02
申请号：US14835816
申请日：2015-08-26
发明人： Michael Baessler , Jochen Doerre , Thomas A. P. Hampp-Bahnmueller , Philipp Hoffmann , Daniel Pittner , Werner Schollenberger
CPC分类号： G06F21/6227 , G06F17/30619 , G06F17/30657 , H04L9/14 , H04L63/0428 , H04L63/06 , H04L2463/061 , H04L2463/062
摘要： Providing an encrypted search index for performing searches on encrypted documents, the method comprising: (i) providing a set of documents, the documents comprising a plurality of unencrypted phrases; (ii) providing a master key; (iii) providing, based on the master key, for each phrase a set of encryption keys comprising one or more encryption keys; (iv) selecting, for each phrase, one encryption key of the set of encryption keys; (v) encrypting each phrase with the selected encryption key; and (vi) building an index based on the encrypted phrases, the index comprising information regarding which encrypted phrase is comprised within a certain document.
摘要翻译： 提供用于对加密文档执行搜索的加密搜索索引，所述方法包括：（i）提供一组文档，所述文档包括多个未加密的短语; （ii）提供主密钥; （iii）基于所述主密钥为每个短语提供包括一个或多个加密密钥的一组加密密钥; （iv）为每个短语选择该组加密密钥的一个加密密钥; （v）用所选择的加密密钥加密每个短语; 以及（vi）基于加密的短语构建索引，所述索引包括关于在某个文档内包含加密短语的信息。
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公开(公告)号：US20150278265A1
公开(公告)日：2015-10-01
申请号：US14532058
申请日：2014-11-04
发明人： Michael Baessler , Jochen Doerre , Thomas A. P. Hampp-Bahnmueller , Philipp Hoffmann , Markus Lorch , Juergen Maletz , Daniel Pittner
CPC分类号： G06F17/2735 , G06F17/22 , G06F17/2276 , G06F17/30321
摘要： A computer-implemented method, carried out by one or more processors, for consolidating an index entry of a dictionary. In an embodiment, the method comprises the steps of receiving, by one or more processors, a set of parameters, wherein the set of parameters indicates at least a length of prefix and a length of hash value; receiving, by one or more processors, a first term for entry into an index; converting, by one or more processors, the first term for entry into the index according to the set of parameters; and responsive to determining the converted first term is not present in the index, storing, by one or more processors, the first converted term into the index.
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