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31. 发明授权

US08756239B2 Real time content searching in social network 有权
标题翻译：在社交网络中实时搜索内容
公开(公告)号：US08756239B2
公开(公告)日：2014-06-17
申请号：US13866095
申请日：2013-04-19
申请人： c/o Facebook, Inc.
发明人： Akhil Wable , Hong Yan , Spencer G. Ahrens , Yofay Kari Lee , Guizhen Yang
IPC分类号： G06F17/30
CPC分类号： G06F17/30867 , G06F17/30321 , G06F17/30486 , G06F17/30551 , G06F17/30628 , G06F17/30631 , G06F17/30864 , G06F17/3087 , G06F17/30958 , G06Q30/02
摘要： Indexing and retrieving real time content in a social networking system is disclosed. A user-term index includes user-term partitions, each user-term partition comprising temporal databases. As a post is received from a user, a user identifier, a post identifier, and a post is extracted. An object store communicatively coupled to a temporal database for recently received content is queried to determine whether terms in the post has already been stored. A term identifier is stored in the user-term index with the user and post identifiers. A forward index stores the post by post identifier. Responsive to a search query, the user-term index is searched by the user's connections and the terms. A real time search engine compiles the results of the user-term index query and retrieves the stored posts from the forward index. The search results may then be ranked and cached before presentation to the searching user.
摘要翻译：公开了在社交网络系统中索引和检索实时内容。用户术语索引包括用户术语分区，每个用户术语分区包括时间数据库。当从用户接收到帖子时，提取用户标识符，帖子标识符和帖子。查询通信地耦合到最近接收的内容的时间数据库的对象存储库，以确定该帖子中的术语是否已被存储。术语标识符与用户和职位标识符一起存储在用户术语索引中。转发索引以邮件标识符存储帖子。响应于搜索查询，用户术语索引由用户的连接和术语搜索。实时搜索引擎编译用户术语索引查询的结果，并从前向索引检索存储的帖子。然后可以在向搜索用户呈现之前对搜索结果进行排序和缓存。

32. 发明授权

US10282377B2 Suggested terms for ambiguous search queries 有权
公开(公告)号：US10282377B2
公开(公告)日：2019-05-07
申请号：US15331563
申请日：2016-10-21
申请人： Facebook, Inc.
发明人： Yofay Kari Lee , Keith L. Peiris , William R. Maschmeyer , Lars Eilstrup Rasmussen , Joshua Keith Duck
IPC分类号： G06F16/242 , G06F16/2457 , G06F16/332 , G06F16/903 , G06F16/9032 , G06F16/951 , G06Q10/10 , G06Q50/00
摘要： In one embodiment, a method includes receiving, from a client system, a character string having n characters entered by the first user into a query field, wherein a term comprising the nth character of the character string is an ambiguous term, identifying one or more objects corresponding to the ambiguous term based on a calculated probability that the ambiguous term corresponds to the identified objects, sending instructions for presenting a set of suggested queries to the first user, each suggested query from the set of suggested queries corresponding to one of the identified objects and comprising a reference to the corresponding identified object, receiving a selection of a suggested query corresponding to a first object of the identified objects, and sending, responsive to receiving the selection of the suggested query, instructions for modifying the ambiguous term in the query field to include a reference to the first object.

33. 发明授权

US10282354B2 Detecting social graph elements for structured search queries 有权
公开(公告)号：US10282354B2
公开(公告)日：2019-05-07
申请号：US15258772
申请日：2016-09-07
申请人： Facebook, Inc.
发明人： Yofay Kari Lee , Michael Benjamin Cohen , Maxime Boucher , Alisson Gusatti Azzolini , Xiao Li , Lars Eilstrup Rasmussen
IPC分类号： G06F16/2453 , G06F16/2457 , G06F16/903 , G06F16/951
摘要： In particular embodiments, a method includes receiving, from a client device associated with a first user of an online social network, an unstructured text query, parsing the text query to identify one or more n-grams, determining a score for each n-gram, wherein the score for each n-gram is a probability that the n-gram corresponds to a particular data object of a plurality of data objects associated with the online social network, identifying one or more data objects based on the scores of their corresponding n-grams, each identified data object corresponding to at least one of the n-grams, and generating one or more structured queries that each comprise references to one or more of the identified data objects.

34. 发明授权

US09679080B2 Grammar model for structured search queries 有权
公开(公告)号：US09679080B2
公开(公告)日：2017-06-13
申请号：US14752407
申请日：2015-06-26
申请人： Facebook, Inc.
发明人： Yofay Kari Lee , Michael Benjamin Cohen , Maxime Boucher , Alisson Gusatti Azzolini , Xiao Li , Lars Eilstrup Rasmussen , Kathryn Hymes , Amy Campbell
IPC分类号： G06F17/30 , G06Q50/00
CPC分类号： G06F17/3097 , G06F17/274 , G06F17/3053 , G06F17/30604 , G06F17/30634 , G06F17/30867 , G06F17/3087 , G06F17/30958 , G06Q50/01
摘要： In one embodiment, a method includes accessing a social graph that includes a plurality of nodes and edges, receiving an unstructured text query, identifying nodes and edges that correspond to n-grams of the text query, accessing a context-free grammar model, identifying grammars having query tokens that correspond to the identified nodes and edges, determining a score for each identified grammar, and then generating structured queries based on the identified grammars based on strings generated by the grammars.

35. 发明申请

US20170039210A1 Suggested Terms for Ambiguous Search Queries 审中-公开
标题翻译：模糊搜索查询的建议条款
公开(公告)号：US20170039210A1
公开(公告)日：2017-02-09
申请号：US15331563
申请日：2016-10-21
申请人： Facebook, Inc.
发明人： Yofay Kari Lee , Keith L. Peiris , William R. Maschmeyer , Lars Eilstrup Rasmussen , Joshua Keith Duck
IPC分类号： G06F17/30
CPC分类号： G06F17/3097 , G06F17/30392 , G06F17/30528 , G06F17/3064 , G06F17/30864 , G06F17/30985 , G06Q10/101 , G06Q50/01
摘要： In one embodiment, a method includes receiving, from a client system, a character string having n characters entered by the first user into a query field, wherein a term comprising the nth character of the character string is an ambiguous term, identifying one or more objects corresponding to the ambiguous term based on a calculated probability that the ambiguous term corresponds to the identified objects, sending instructions for presenting a set of suggested queries to the first user, each suggested query from the set of suggested queries corresponding to one of the identified objects and comprising a reference to the corresponding identified object, receiving a selection of a suggested query corresponding to a first object of the identified objects, and sending, responsive to receiving the selection of the suggested query, instructions for modifying the ambiguous term in the query field to include a reference to the first object.
摘要翻译：在一个实施例中，一种方法包括从客户端系统接收具有由第一用户输入的n个字符的字符串到查询字段中，其中包括字符串的第n个字符的术语是不明确的术语，识别一个或多个基于所计算的概率，所述歧义术语对应于所识别的对象的发送指令，向所述第一用户发送用于呈现一组建议查询的指令，所述建议查询集合与对应于所识别的一个对象并且包括对相应的识别对象的引用，接收与所识别的对象的第一对象相对应的建议查询的选择，以及响应于接收到所建议查询的选择，发送用于修改查询中的模糊项的指令字段以包括对第一个对象的引用。

36. 发明申请

US20160378825A1 Detecting Social Graph Elements for Structured Search Queries 审中-公开
标题翻译：检测结构化搜索查询的社交图元素
公开(公告)号：US20160378825A1
公开(公告)日：2016-12-29
申请号：US15258772
申请日：2016-09-07
申请人： Facebook, Inc.
发明人： Yofay Kari Lee , Michael Benjamin Cohen , Maxime Boucher , Alisson Gusatti Azzolini , Xiao Li , Lars Eilstrup Rasmussen
IPC分类号： G06F17/30
CPC分类号： G06F17/30448 , G06F17/30522 , G06F17/30528 , G06F17/3053 , G06F17/30864 , G06F17/30979
摘要： In particular embodiments, a method includes receiving, from a client device associated with a first user of an online social network, an unstructured text query, parsing the text query to identify one or more n-grams, determining a score for each n-gram, wherein the score for each n-gram is a probability that the n-gram corresponds to a particular data object of a plurality of data objects associated with the online social network, identifying one or more data objects based on the scores of their corresponding n-grams, each identified data object corresponding to at least one of the n-grams, and generating one or more structured queries that each comprise references to one or more of the identified data objects.
摘要翻译：在特定实施例中，一种方法包括从与在线社交网络的第一用户相关联的客户端设备接收非结构化文本查询，解析文本查询以识别一个或多个n克，确定每个n-gram的得分其中每个n-gram的分数是n-gram对应于与在线社交网络相关联的多个数据对象的特定数据对象的概率，基于其对应的n的分数来识别一个或多个数据对象每个识别的数据对象对应于n克中的至少一个，并且生成一个或多个结构化查询，每个结构化查询包括对所标识的一个或多个数据对象的引用。

37. 发明授权

US09514218B2 Ambiguous structured search queries on online social networks 有权
标题翻译：在线社交网络上的模糊结构化搜索查询
公开(公告)号：US09514218B2
公开(公告)日：2016-12-06
申请号：US14489917
申请日：2014-09-18
申请人： Facebook, Inc.
发明人： Yofay Kari Lee , Keith L. Peiris , William R. Maschmeyer , Lars Eilstrup Rasmussen , Joshua Keith Duck
IPC分类号： G06F17/30 , G06Q10/10 , G06Q50/00
CPC分类号： G06F17/3097 , G06F17/30392 , G06F17/30528 , G06F17/3064 , G06F17/30864 , G06F17/30985 , G06Q10/101 , G06Q50/01
摘要： In one embodiment, a method includes accessing a social graph that includes a plurality of nodes and edges, receiving an unstructured text query comprising an ambiguous n-gram, identifying nodes and edges that correspond to the ambiguous n-gram, generating a first set of structured queries corresponding to the identified second nodes and edges, receiving from the first user a selection of a first structured query form the first set, and generating a second set of structured queries based on the selected first structured query.
摘要翻译：在一个实施例中，一种方法包括访问包括多个节点和边缘的社交图，接收包括不明确的n-gram的非结构化文本查询，识别对应于模糊n-gram的节点和边缘，生成第一组与所识别的第二节点和边缘相对应的结构化查询，从第一用户接收第一集合的第一结构化查询的选择，以及基于所选择的第一结构化查询生成第二组结构化查询。

38. 发明授权

US09465830B2 Real time content searching in social network 有权
公开(公告)号：US09465830B2
公开(公告)日：2016-10-11
申请号：US14615160
申请日：2015-02-05
申请人： Facebook, Inc.
发明人： Akhil Wable , Hong Yan , Spencer G. Ahrens , Yofay Kari Lee , Guizhen Yang
IPC分类号： G06F17/30 , G06Q30/02
CPC分类号： G06F17/30867 , G06F17/30321 , G06F17/30486 , G06F17/30551 , G06F17/30628 , G06F17/30631 , G06F17/30864 , G06F17/3087 , G06F17/30958 , G06Q30/02
摘要： Indexing and retrieving real time content in a social networking system is disclosed. A user-term index includes user-term partitions, each user-term partition comprising temporal databases. As a post is received from a user, a user identifier, a post identifier, and a post is extracted. An object store communicatively coupled to a temporal database for recently received content is queried to determine whether terms in the post has already been stored. A term identifier is stored in the user-term index with the user and post identifiers. A forward index stores the post by post identifier. Responsive to a search query, the user-term index is searched by the user's connections and the terms. A real time search engine compiles the results of the user-term index query and retrieves the stored posts from the forward index. The search results may then be ranked and cached before presentation to the searching user.

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