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1. 发明授权

US07693882B2 Replicating data across the nodes in a cluster environment 有权
标题翻译：在集群环境中的节点之间复制数据
公开(公告)号：US07693882B2
公开(公告)日：2010-04-06
申请号：US11243755
申请日：2005-10-04
申请人： Ken Lee , Alok K. Srivastava , Sameer Joshi
发明人： Ken Lee , Alok K. Srivastava , Sameer Joshi
IPC分类号： G06F17/30
CPC分类号： G06F17/30575 , H04L67/1095 , H04L69/40
摘要： Techniques are provided for managing replicated data items in a cluster of shared nothing nodes. The techniques include synchronously propagating changes to one or more replicas, while asynchronously propagating changes to the remaining replicas. Because the replicas to which the change is synchronously replicated may be a relatively small percentage of the total number of replicas, the overhead associated with performing an update is reduced. The process of selecting which nodes are involved in the synchronous update operation may take into account a variety of factors, including which replicas are available at the time the update operation is being performed.
摘要翻译：提供了用于管理无共享节点的集群中的复制数据项的技术。这些技术包括将更改同步传播到一个或多个副本，同时将更改异步传播到剩余的副本。由于同步复制更改的副本可能是副本总数的相对较小的百分比，所以与执行更新相关联的开销减少。在同步更新操作中选择哪些节点的过程可以考虑各种因素，包括在执行更新操作时哪些副本可用。

2. 发明授权

US07631016B2 Providing the latest version of a data item from an N-replica set 有权
标题翻译：从N复本集提供最新版本的数据项
公开(公告)号：US07631016B2
公开(公告)日：2009-12-08
申请号：US11124456
申请日：2005-05-04
申请人： Ken Lee , Sameer Joshi , Alok K. Srivastava
发明人： Ken Lee , Sameer Joshi , Alok K. Srivastava
IPC分类号： G06F17/30 , G06F15/16
CPC分类号： G06F17/30578 , Y10S707/99938 , Y10S707/99952 , Y10S707/99953
摘要： Less-restrictive techniques are provided for ensuring that replicated-data systems will never provide out-of-date version of data items. A replicated-data system maintains a version number, a membership group identifier, and a membership count, with each replica of a data item. These values are maintained in such a way as to allow the replicated-data system to reliably satisfy some read requests even though half, or less than half, of the replicas of the data item are available.
摘要翻译：提供了限制较少的技术，以确保复制数据系统永远不会提供数据项的过时版本。复制数据系统维护版本号，成员资格标识符和成员资格计数，每个数据项的副本。这些值被保持为允许复制数据系统可靠地满足一些读请求，即使数据项的副本的一半或少于一半可用。

3. 发明授权

US07617218B2 Persistent key-value repository with a pluggable architecture to abstract physical storage 有权
标题翻译：具有可插拔架构的持久键值存储库，用于抽象物理存储
公开(公告)号：US07617218B2
公开(公告)日：2009-11-10
申请号：US11404159
申请日：2006-04-13
申请人： Surojit Chatterjee , Raj Kumar , Jonathan Creighton , Alok K. Srivastava , Sameer Joshi
发明人： Surojit Chatterjee , Raj Kumar , Jonathan Creighton , Alok K. Srivastava , Sameer Joshi
IPC分类号： G06F7/00 , G06F17/30 , G06F17/00 , G06F12/00
CPC分类号： G06F17/3056 , Y10S707/99931 , Y10S707/99932 , Y10S707/99943 , Y10S707/99953
摘要： A system and techniques are described for managing key-value pairs using an architecture that does not restrict its users to any specific platform or storage subsystem. According to one aspect of the invention, the repository is portable in that the architecture need not change based on the environment and platform in which the repository is used. Rather, the portion of the architecture that is platform-specific is limited to plug-ins at a storage abstraction layer of the repository. The plug-ins expose the same storage abstraction interface to the other layers of the repository, but are implemented to interact with different platforms and storage subsystems. Consequently, in response to being ported from one platform to another, the repository may simply change the plug-in to invoke for persistent storage operations.
摘要翻译：描述了使用不将其用户限制到任何特定平台或存储子系统的架构来管理键值对的系统和技术。根据本发明的一个方面，存储库是可移植的，因为架构不需要基于使用存储库的环境和平台来改变。相反，平台特定的架构部分仅限于存储库的存储抽象层的插件。插件将相同的存储抽象接口暴露给存储库的其他层，但实现为与不同平台和存储子系统进行交互。因此，响应于从一个平台移植到另一个平台，存储库可以简单地改变插件以调用永久存储操作。

4. 发明授权

US07096213B2 Persistent key-value repository with a pluggable architecture to abstract physical storage 有权
公开(公告)号：US07096213B2
公开(公告)日：2006-08-22
申请号：US10253088
申请日：2002-09-23
申请人： Surojit Chatterjee , Raj Kumar , Jonathan Creighton , Alok K. Srivastava , Sameer Joshi
发明人： Surojit Chatterjee , Raj Kumar , Jonathan Creighton , Alok K. Srivastava , Sameer Joshi
IPC分类号： G06F17/30
CPC分类号： G06F17/3056 , Y10S707/99931 , Y10S707/99932 , Y10S707/99943 , Y10S707/99953
摘要： A system and techniques are described for managing key-value pairs using an architecture that does not restrict its users to any specific platform or storage subsystem. According to one aspect of the invention, the repository is portable in that the architecture need not change based on the environment and platform in which the repository is used. Rather, the portion of the architecture that is platform-specific is limited to plug-ins at a storage abstraction layer of the repository. The plug-ins expose the same storage abstraction interface to the other layers of the repository, but are implemented to interact with different platforms and storage subsystems. Consequently, in response to being ported from one platform to another, the repository may simply change the plug-in to invoke for persistent storage operations.

5. 发明申请

US20070078911A1 Replicating data across the nodes in a cluster environment 有权
标题翻译：在集群环境中的节点之间复制数据
公开(公告)号：US20070078911A1
公开(公告)日：2007-04-05
申请号：US11243755
申请日：2005-10-04
申请人： Ken Lee , Alok Srivastava , Sameer Joshi
发明人： Ken Lee , Alok Srivastava , Sameer Joshi
IPC分类号： G06F17/30
CPC分类号： G06F17/30575 , H04L67/1095 , H04L69/40
摘要： Techniques are provided for managing replicated data items in a cluster of shared nothing nodes. The techniques include synchronously propagating changes to one or more replicas, while asynchronously propagating changes to the remaining replicas. Because the replicas to which the change is synchronously replicated may be a relatively small percentage of the total number of replicas, the overhead associated with performing an update is reduced. The process of selecting which nodes are involved in the synchronous update operation may take into account a variety of factors, including which replicas are available at the time the update operation is being performed.
摘要翻译：提供了用于管理无共享节点的集群中的复制数据项的技术。这些技术包括将更改同步传播到一个或多个副本，同时将更改异步传播到剩余的副本。由于同步复制更改的副本可能是副本总数的相对较小的百分比，所以与执行更新相关联的开销减少。在同步更新操作中选择哪些节点的过程可以考虑各种因素，包括在执行更新操作时哪些副本可用。

6. 发明申请

US20070073855A1 Detecting and correcting node misconfiguration of information about the location of shared storage resources 有权
标题翻译：检测和纠正关于共享存储资源位置信息的节点配置错误
公开(公告)号：US20070073855A1
公开(公告)日：2007-03-29
申请号：US11237191
申请日：2005-09-27
申请人： Sameer Joshi , Surojit Chatterjee , Ken Lee , Jonathan Creighton , Alok Srivastava
发明人： Sameer Joshi , Surojit Chatterjee , Ken Lee , Jonathan Creighton , Alok Srivastava
IPC分类号： G06F15/173
CPC分类号： H04L67/306 , H04L67/18
摘要： A group of shared-storage resources are being maintained as replicas by the nodes of a cluster. Each node in the cluster maintains a set of pointers to the members of the group. As membership changes, the set of pointers should be changed accordingly. For various, reasons, the set of pointers of a node are not changed and may point to shared-storage resources that are no longer members of the group and/or not point to shared-storage resources that are members of the group. By recording a history of membership changes in the shared-storage resources, and comparing the recording to what a node thinks the shared resources should be, an incorrect set of pointers can be detected and corrective active undertaken.
摘要翻译：正在将一组共享存储资源作为集群节点的副本进行维护。集群中的每个节点都维护一组指向组成员的指针。随着会员资格的变化，应该改变指针集。对于各种原因，节点的指针集不会更改，并且可能指向不再是组成员的共享存储资源和/或不指向作为组成员的共享存储资源。通过记录共享存储资源中的成员变更历史，并将记录与节点认为共享资源相比较，可以检测到错误的指针集并进行纠正。

7. 发明申请

US20060253504A1 Providing the latest version of a data item from an N-replica set 有权
标题翻译：从N复本集提供最新版本的数据项
公开(公告)号：US20060253504A1
公开(公告)日：2006-11-09
申请号：US11124456
申请日：2005-05-04
申请人： Ken Lee , Sameer Joshi , Alok Srivastava
发明人： Ken Lee , Sameer Joshi , Alok Srivastava
IPC分类号： G06F17/30
CPC分类号： G06F17/30578 , Y10S707/99938 , Y10S707/99952 , Y10S707/99953
摘要： Less-restrictive techniques are provided for ensuring that replicated-data systems will never provide out-of-date version of data items. A replicated-data system maintains (1) a version number, (3) a membership group identifier, and (6) a membership count, with each replica of a data item. These values are maintained in such a way as to allow the replicated-data system to reliably satisfy some read requests even though half, or less than half, of the replicas of the data item are available.
摘要翻译：提供了限制较少的技术，以确保复制数据系统永远不会提供数据项的过时版本。复制数据系统维护（1）版本号，（3）成员组标识符，以及（6）与数据项的每个副本的成员数。这些值被保持为允许复制数据系统可靠地满足一些读请求，即使数据项的副本的一半或少于一半可用。

8. 发明授权

US07437426B2 Detecting and correcting node misconfiguration of information about the location of shared storage resources 有权
标题翻译：检测和纠正关于共享存储资源位置信息的节点配置错误
公开(公告)号：US07437426B2
公开(公告)日：2008-10-14
申请号：US11237191
申请日：2005-09-27
申请人： Sameer Joshi , Surojit Chatterjee , Ken Lee , Jonathan Creighton , Alok Srivastava
发明人： Sameer Joshi , Surojit Chatterjee , Ken Lee , Jonathan Creighton , Alok Srivastava
IPC分类号： G06F15/16
CPC分类号： H04L67/306 , H04L67/18
摘要： A group of shared-storage resources are being maintained as replicas by the nodes of a cluster. Each node in the cluster maintains a set of pointers to the members of the group. As membership changes, the set of pointers should be changed accordingly. For various, reasons, the set of pointers of a node are not changed and may point to shared-storage resources that are no longer members of the group and/or not point to shared-storage resources that are members of the group. By recording a history of membership changes in the shared-storage resources, and comparing the recording to what a node thinks the shared resources should be, an incorrect set of pointers can be detected and corrective active undertaken.
摘要翻译：正在将一组共享存储资源作为集群节点的副本进行维护。集群中的每个节点都维护一组指向组成员的指针。随着会员资格的变化，应该改变指针集。对于各种原因，节点的指针集不会更改，并且可能指向不再是组成员的共享存储资源和/或不指向作为组成员的共享存储资源。通过记录共享存储资源中的成员变更历史，并将记录与节点认为共享资源相比较，可以检测到错误的指针集并进行纠正。

9. 发明授权

US06470342B1 Process of maintaining a distributed map of transaction identifiers and using hashing to access these maps 失效
标题翻译：维护事务标识符的分布式映射以及使用散列来访问这些映射的过程
公开(公告)号：US06470342B1
公开(公告)日：2002-10-22
申请号：US09267422
申请日：1999-03-12
申请人： Albert C. Gondi , Johannes Klein , Sitaram V. Lanka , Roger J. Hansen , Sameer Joshi
发明人： Albert C. Gondi , Johannes Klein , Sitaram V. Lanka , Roger J. Hansen , Sameer Joshi
IPC分类号： G06F1730
CPC分类号： G06F9/466
摘要： Systems and methods for supporting and maintaining a distributed global map of transaction identifiers at the gateway processes using a hashing algorithm configured on each application process to access the global maps. A global map of transaction identifiers that associates global transaction identifiers with remote local transaction identifiers is maintained at each gateway process. When an application process performing work for a particular transaction desires to export the transaction to a remote node, a hashing function configured on the application process is applied to the global transaction identifier associated with the particular transaction. Application of the hashing function to the global transaction identifier identifies one of the gateway processes. The global transaction identifier is stored to the global map associated with that gateway process. When the remote transaction manager associated with the remote node responds with a local transaction identifier for a local transaction initiated at the remote node, the local transaction identifier is stored to the identified gateway's global map in association with the global transaction identifier. Each application process is configured with the same hashing function so that the same gateway process will always be identified given a particular global transaction identifier. If the same or another application process desires to export to a remote node a transaction that has already been exported, the hashing function on that application process identifies the same gateway through which the transaction was originally exported.
摘要翻译：用于使用在每个应用进程上配置的散列算法在网关进程处支持和维护事务标识符的分布式全局映射以访问全局映射的系统和方法。在每个网关进程中维护将全局事务标识符与远程本地事务标识符相关联的事务标识符的全局映射。当为特定事务执行工作的应用进程期望将事务导出到远程节点时，在应用进程上配置的散列函数被应用于与特定事务相关联的全局事务标识符。将散列函数应用于全局事务标识符可识别网关进程之一。全局事务标识符存储到与该网关进程相关联的全局映射。当与远程节点相关联的远程事务管理器响应于在远程节点处发起的本地事务的本地事务标识符时，本地事务标识符与全局事务标识符相关联地存储到所识别的网关的全局映射。每个应用进程都配置相同的哈希功能，以便在给定特定的全局事务标识符的情况下，总是会识别相同的网关进程。如果相同或另一个应用程序进程需要将已经导出的事务导出到远程节点，则该应用进程上的散列函数将标识与最初导出事务相同的网关。

10. 发明申请

US20130246315A1 SYSTEMS AND METHODS FOR SEMANTIC INFERENCE AND REASONING 有权
公开(公告)号：US20130246315A1
公开(公告)日：2013-09-19
申请号：US13422962
申请日：2012-03-16
申请人： Sameer Joshi , Todd Pehle , Larry Crochet
发明人： Sameer Joshi , Todd Pehle , Larry Crochet
IPC分类号： G06N5/04 , G06F15/18
CPC分类号： G06N5/04 , G06F17/30554 , G06F17/30598 , G06N99/005
摘要： A method and system for analyzing a corpus of data artifacts is disclosed. The method comprises obtaining, by a computer, a semantic representation of the data artifacts, where the semantic representation indicates (1) entities identified in the data artifacts, and (2) semantic relationships among the entities as indicated by the data artifacts. The method further comprises clustering the data artifacts into clusters of semantically related data artifacts based on the semantic representation and inferring additional semantic relationships between pairs of the entities. The inferring comprises applying, on a cluster-by-cluster basis, a multi-tiered network of inference engines to a portion of the semantic representation corresponding to the cluster, where the multi-tiered network of inference engines includes a domain-independent inference tier and a domain-specific inference tier.

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