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1. 发明授权

US07613741B2 Utilizing rules in a distributed information sharing system 有权
标题翻译：利用分布式信息共享系统中的规则
公开(公告)号：US07613741B2
公开(公告)日：2009-11-03
申请号：US10449873
申请日：2003-05-30
申请人： Edwina Lu , Lik Wong , Sanjay Kaluskar , James Stamos , Neerja Bhatt , Wei Wang
发明人： Edwina Lu , Lik Wong , Sanjay Kaluskar , James Stamos , Neerja Bhatt , Wei Wang
IPC分类号： G06F17/30
CPC分类号： G06F17/30575 , Y10S707/99953
摘要： Described herein are various approaches that allow rules to be used to specify actions, that alleviate the complexity and burden of developing and maintaining rules in a rules-based messaging system, and that provide more efficient ways of evaluating rules. The approaches allow rules to specify user-defined transformation functions for transforming messages, to specify when and how to perform row migration, and to specify other types of actions. Rules are grouped into rule sets. Several types of rule sets, referred to as positive and negative rule sets, allow users to use rules that are less complex to develop and maintain. Rule sets are evaluated more efficiently by attempting to evaluate the rule set with less information than is needed to evaluate all the rules in the rule set. Also, the results of rules evaluations that are based on a set of values are cached for later retrieval.
摘要翻译：这里描述了允许规则用于指定动作的各种方法，其减轻了在基于规则的消息传递系统中开发和维护规则的复杂性和负担，并且提供了更有效的评估规则的方式。这些方法允许规则指定用于转换消息的用户定义的转换功能，指定何时以及如何执行行迁移，并指定其他类型的操作。规则分为规则集。称为正和负规则集的几种类型的规则集允许用户使用开发和维护不太复杂的规则。通过尝试使用比评估规则集中的所有规则所需的信息更少的信息来评估规则集，可以更有效地评估规则集。此外，基于一组值的规则评估结果被缓存以供以后检索。

2. 发明授权

US08005802B2 Partial evaluation of rule sets 有权
标题翻译：规则集的部分评估
公开(公告)号：US08005802B2
公开(公告)日：2011-08-23
申请号：US10452850
申请日：2003-05-30
申请人： Edwina Lu , Lik Wong , Sanjay Kaluskar , James Stamos , Neerja Bhatt , Wei Wang
发明人： Edwina Lu , Lik Wong , Sanjay Kaluskar , James Stamos , Neerja Bhatt , Wei Wang
IPC分类号： G06F17/30
CPC分类号： G06F17/30575 , Y10S707/99939 , Y10S707/99942 , Y10S707/99943
摘要： Described herein are various approaches that allow rules to be used to specify actions, that alleviate the complexity and burden of developing and maintaining rules in a rules-based messaging system, and that provide more efficient ways of evaluating rules. The approaches allow rules to specify user-defined transformation functions for transforming messages, to specify when and how to perform row migration, and to specify other types of actions. Rules are grouped into rule sets. Several types of rule sets, referred to as positive and negative rule sets, allow users to use rules that are less complex to develop and maintain. Rule sets are evaluated more efficiently by attempting to evaluate the rule set with less information than is needed to evaluate all the rules in the rule set. Also, the results of rules evaluations that are based on a set of values are cached for later retrieval.
摘要翻译：这里描述了允许规则用于指定动作的各种方法，其减轻了在基于规则的消息传递系统中开发和维护规则的复杂性和负担，并且提供了更有效的评估规则的方式。这些方法允许规则指定用于转换消息的用户定义的转换功能，指定何时以及如何执行行迁移，并指定其他类型的操作。规则分为规则集。称为正和负规则集的几种类型的规则集允许用户使用开发和维护不太复杂的规则。通过尝试使用比评估规则集中的所有规则所需的信息更少的信息来评估规则集，可以更有效地评估规则集。此外，基于一组值的规则评估结果被缓存以供以后检索。

3. 发明授权

US07565379B2 Preventing change cycling using rules and redo tags in a redo log 有权
标题翻译：防止在重做日志中使用规则和重做标记进行更改循环
公开(公告)号：US07565379B2
公开(公告)日：2009-07-21
申请号：US10452761
申请日：2003-05-30
申请人： Edwina Lu , Lik Wong , Sanjay Kaluskar , James Stamos , Neerja Bhatt , Wei Wang
发明人： Edwina Lu , Lik Wong , Sanjay Kaluskar , James Stamos , Neerja Bhatt , Wei Wang
IPC分类号： G06F17/00
CPC分类号： G06F7/00 , Y10S707/99945
摘要： In some messaging system architectures, messages can cycle back to the originator of a message, who may then propagate the message, causing the cycle to be repeated. Described herein are techniques that use rules and fields in a redo log, to manage message flows such that undesired cycles are prevented. The techniques may be used in messaging systems that have various topologies.
摘要翻译：在一些消息系统架构中，消息可以循环回到消息的发起者，然后谁可以传播消息，导致重复循环。这里描述的是使用重做日志中的规则和字段来管理消息流的技术，从而防止不期望的周期。这些技术可以用于具有各种拓扑的消息系统中。

4. 发明授权

US07366713B2 Extensible rules engine in a database management system 有权
标题翻译：数据库管理系统中的可扩展规则引擎
公开(公告)号：US07366713B2
公开(公告)日：2008-04-29
申请号：US10418882
申请日：2003-04-17
申请人： Sanjay Kaluskar , Wei Wang , Dieter Gawlick , James Stamos
发明人： Sanjay Kaluskar , Wei Wang , Dieter Gawlick , James Stamos
IPC分类号： G06F17/30
CPC分类号： G06F17/2241 , G06F17/2247 , G06F17/30289 , G06F17/30917 , Y10S707/961 , Y10S707/99933 , Y10S707/99943
摘要： An extensible rules engine that uses database technology provides a rules evaluation service for applications external to the database server or database management system. Applications are able to utilize the rules engine to provide alternative behaviors based on information against which specified conditions are evaluated. A framework is provided for specifying data definitions that can be referenced by user-defined rules, through creation and use of an evaluation context. Application-specific data types can be defined by specifying data tables and/or variables that can be referenced by rules created for evaluation against data that is associated with the evaluation context. The data against which rules are evaluated can be provided as an in-memory object. A security model is provided in which the privilege to create rules according to a particular evaluation context is controlled by one privilege, whereas the privilege to access underlying tables or variables is controlled by another privilege.
摘要翻译：使用数据库技术的可扩展规则引擎为数据库服务器或数据库管理系统外部的应用程序提供规则评估服务。应用程序能够利用规则引擎提供基于评估指定条件的信息的替代行为。提供了一个框架，用于通过创建和使用评估上下文来指定可由用户定义的规则引用的数据定义。应用程序特定的数据类型可以通过指定可以根据与评估上下文相关联的数据进行评估而创建的规则引用的数据表和/或变量来定义。评估规则的数据可以作为内存中对象提供。提供了一种安全模型，其中根据特定评估上下文创建规则的权限由一个权限控制，而访问基础表或变量的权限由另一个权限控制。

5. 发明授权

US07181482B2 Buffered message queue architecture for database management systems 有权
标题翻译：用于数据库管理系统的缓冲消息队列架构
公开(公告)号：US07181482B2
公开(公告)日：2007-02-20
申请号：US10443206
申请日：2003-05-21
申请人： Namit Jain , Neerja Bhatt , Kapil Surlaker , Krishnan Meiyyappan , Sanjay Kaluskar , Shailendra Mishra
发明人： Namit Jain , Neerja Bhatt , Kapil Surlaker , Krishnan Meiyyappan , Sanjay Kaluskar , Shailendra Mishra
IPC分类号： G06F17/30
CPC分类号： G06F17/30289 , Y10S707/99931 , Y10S707/99957
摘要： A buffered message queue architecture for managing messages in a database management system is disclosed. A “buffered message queue” refers to a message queue implemented in a volatile memory, such as a RAM. The volatile memory may be a shared volatile memory that is accessible by a plurality of processes. The buffered message queue architecture supports a publish and subscribe communication mechanism, where the message producers and message consumers may be decoupled from and independent of each other. The buffered message queue architecture provides all the functionality of a persistent publish-subscriber messaging system, without ever having to store the messages in persistent storage. The buffered message queue architecture provides better performance and scalability since no persistent operations are needed and no UNDO/REDO logs need to be maintained. Messages published to the buffered message queue are delivered to all eligible subscribers at least once, even in the event of failures, as long as the application is “repeatable.” The buffered message queue architecture also includes management mechanisms for performing buffered message queue cleanup and also for providing unlimited size buffered message queues when limited amounts of shared memory are available. The architecture also includes “zero copy” buffered message queues and provides for transaction-based enqueue of messages.
摘要翻译：公开了一种用于管理数据库管理系统中的消息的缓冲消息队列架构。 “缓冲消息队列”是指在诸如RAM的易失性存储器中实现的消息队列。易失性存储器可以是可由多个进程访问的共享易失性存储器。缓冲消息队列架构支持发布和订阅通信机制，消息生成器和消息消费者可以彼此分离并且彼此独立。缓冲消息队列体系结构提供了持久性发布 - 订阅者消息系统的所有功能，而无需将消息存储在持久存储中。缓冲消息队列架构提供更好的性能和可扩展性，因为不需要持续的操作，并且不需要维护UNDO / REDO日志。只要应用程序是“可重复的”，发布到缓冲消息队列的消息至少发送一次，即使发生故障。缓冲消息队列架构还包括用于执行缓冲消息队列清理的管理机制，并且还用于当有限量的共享存储器可用时提供无限大小的缓冲消息队列。该架构还包括“零拷贝”缓冲消息队列，并提供基于事务的消息队列。

6. 发明授权

US09176772B2 Suspending and resuming of sessions 有权
标题翻译：暂停和恢复会话
公开(公告)号：US09176772B2
公开(公告)日：2015-11-03
申请号：US11057043
申请日：2005-02-11
申请人： Sanjay Kaluskar , Sreenivas Gollapudi
发明人： Sanjay Kaluskar , Sreenivas Gollapudi
IPC分类号： G06F17/30 , G06F9/48
CPC分类号： G06F9/4856 , G06F17/30289
摘要： A session established for an application is suspended from an instance and later resumed on the server or a different server. When a session is suspended, its state is captured and persistently stored as a session image in a data repository, and the session is terminated. When the session is resumed, a new session is established on an instance, the session image of the session to resume is retrieved from the repository and restored to the newly established session. The suspension and resumption of a session may be initiated by an application, which may request the suspension and resumption of a session.
摘要翻译：为应用程序建立的会话从一个实例中暂停，然后在服务器或不同的服务器上恢复。当会话被暂停时，其状态被捕获并持久存储为数据存储库中的会话映像，并且会话终止。当会话恢复时，在一个实例上建立一个新的会话，从存储库中检索要恢复的会话的会话映像并恢复到新建立的会话。暂停和恢复会议可由申请人启动，申请可能要求暂停和恢复会议。

7. 发明授权

US07415522B2 Extensible framework for transferring session state 有权
标题翻译：可扩展的会话状态转移框架
公开(公告)号：US07415522B2
公开(公告)日：2008-08-19
申请号：US10917843
申请日：2004-08-12
申请人： Sanjay Kaluskar , Sreenivas Gollapudi
发明人： Sanjay Kaluskar , Sreenivas Gollapudi
IPC分类号： G06F15/16 , G06F12/00
CPC分类号： G06F17/30575 , H04L67/148
摘要： Techniques allow a client to be switched from a session on a server to another session on another server in a way that is a transparent to the application for which the initial session was established. Thus, under transparent session migration, a client is switched between sessions without executing application instructions tailored to accomplish the migration. Instead, a client-side interface component, through which the application interacts with the server, handles details of migration, modifying the internal state of the client-side interface component to effect the same. Legacy applications do not have to be modified in order to institute techniques described herein.
摘要翻译：技术允许客户端以对初始会话建立的应用程序透明的方式从服务器上的会话切换到另一个服务器上的另一个会话。因此，在透明会话迁移下，客户端在会话之间切换，而不执行为完成迁移而定制的应用程序指令。相反，应用程序与服务器交互的客户端接口组件处理迁移的细节，修改客户端接口组件的内部状态来实现。传统的应用程序不需要修改，以便建立这里描述的技术。

8. 发明申请

US20060184535A1 Suspension and resuming of sessions 有权
标题翻译：暂停和恢复会话
公开(公告)号：US20060184535A1
公开(公告)日：2006-08-17
申请号：US11057043
申请日：2005-02-11
申请人： Sanjay Kaluskar , Sreenivas Gollapudi
发明人： Sanjay Kaluskar , Sreenivas Gollapudi
IPC分类号： G06F17/30
CPC分类号： G06F9/4856 , G06F17/30289
摘要： A session established for an application is suspended from an instance and later resumed on the server or a different server. When a session is suspended, its state is captured and persistently stored as a session image in a data repository, and the session is terminated. When the session is resumed, a new session is established on an instance, the session image of the session to resume is retrieved from the repository and restored to the newly established session. The suspension and resumption of a session may be initiated by an application, which may request the suspension and resumption of a session.
摘要翻译：为应用程序建立的会话从一个实例中暂停，然后在服务器或不同的服务器上恢复。当会话被暂停时，其状态被捕获并持久存储为数据存储库中的会话映像，并且会话终止。当会话恢复时，在一个实例上建立一个新的会话，从存储库中检索要恢复的会话的会话映像并恢复到新建立的会话。暂停和恢复会议可由申请人启动，申请可能要求暂停和恢复会议。

9. 发明申请

US20060059176A1 Suspending a result set and continuing from a suspended result set 有权
公开(公告)号：US20060059176A1
公开(公告)日：2006-03-16
申请号：US11097422
申请日：2005-04-01
申请人： Mehul Bastawala , Lakshminarayanan Chidambaran , Sreenivas Gollapudi , Sanjay Kaluskar , Srinath Krishnaswamy , Debashish Chatterjee
发明人： Mehul Bastawala , Lakshminarayanan Chidambaran , Sreenivas Gollapudi , Sanjay Kaluskar , Srinath Krishnaswamy , Debashish Chatterjee
IPC分类号： G06F17/30
CPC分类号： G06F17/30501 , G06F17/3041
摘要： A system, method, computer program and system for suspending a result set and continuing from a suspended result set for a cursor is disclosed. The rows from a row source corresponding to the cursor result set are suspended into storage so that when a fetch is requested the data can be sent (continued) from the suspended storage and does not depend on the original cursor row source or session to be available.

10. 发明授权

US07747754B2 Transparent migration of stateless sessions across servers 有权
标题翻译：跨服务器透明地迁移无状态会话
公开(公告)号：US07747754B2
公开(公告)日：2010-06-29
申请号：US10917882
申请日：2004-08-12
申请人： Sanjay Kaluskar , Sreenivas Gollapudi
发明人： Sanjay Kaluskar , Sreenivas Gollapudi
IPC分类号： G06F15/16
CPC分类号： G06F17/30575 , H04L67/148
摘要： Techniques allow a client to be migrated from a session that has been established for a client on a server to another session on another server in a way that is a transparent to the application for which the initial session was established. The sessions are migrated under conditions in which a copy of session state of the session to migrate from the source node does not have to be captured and restored to a destination session.
摘要翻译：技术允许将客户端从对服务器上的客户端建立的会话迁移到另一个服务器上的另一个会话，方式对于初始会话建立的应用程序是透明的。在不需要捕获并将其恢复到目的地会话的情况下，会话将从源节点迁移的会话状态的副本迁移到该会话。

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