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    • 8. 发明公开
    • A database management system and a method of managing a database
    • 数据库管理系统和管理数据库的方法
    • EP1562126A1
    • 2005-08-10
    • EP04075324.6
    • 2004-02-03
    • SAP AG
    • Werner, Horst
    • G06F17/30G06F9/44
    • G06F9/44505G06F17/30Y10S707/955Y10S707/96
    • The invention relates to a database management system and a method of managing a database. In particular, the invention relates to a database management system for managing a database (22), wherein the database (22) stores a plurality of entities (61) related to each other by a plurality of relations (62), the database management system being associated with a user interface (11) for interfacing with the database (22) in a current situation (64), the database management system comprising: a context modeller (16) for modelling a context representation, and a server (18) for storing a situation in which the user has been involved as at least one frame (70), wherein the at least one frame (70) describes at least one object and action involved in the situation in which the user has been involved and their relationship to each other, wherein the context modeller (16) models a context using the at least one frame (70), so that when the context representation is applied to the database (22) the behaviour of the database (22) is adapted in accordance with the situation (64).
    • 数据库管理系统和管理数据库的方法 特别地,本发明涉及用于管理数据库(22)的数据库管理系统,其中数据库(22)通过多个关系(62)存储彼此相关的多个实体(61),数据库管理系统 与用户接口(11)相关联以在当前情况(64)中与数据库(22)接口,所述数据库管理系统包括:用于建模上下文表示的上下文建模器(16),以及用于 将用户已经参与的情况存储为至少一个帧(70),其中所述至少一个帧(70)描述涉及用户已经涉及的情况中的至少一个对象和动作以及它们与 其中所述上下文建模器(16)使用所述至少一个帧(70)对上下文进行建模,使得当所述上下文表示被应用于所述数据库(22)时,所述数据库(22)的行为根据 情况(64)。
    • 9. 发明公开
    • MEMBERSHIP TRACKING AND DATA EVICTION IN MOBILE MIDDLEWARE SCENARIOS
    • MITGLIEDSCHAFTSERMITTLUNG UNDDATENRÄUMUNG在MOBILEN MIDDLEWARE-SZENARIEN
    • EP2596425A4
    • 2017-06-14
    • EP11810203
    • 2011-07-15
    • SYBASE INC
    • CLEGG DAVIDIRELAND EVANBALAKRISHNAN HARIKRISHNANPANDYA HEMALALBERTI JOHANNES
    • G06F9/44G06F15/16G06F17/30
    • G06F17/30575Y10S707/956Y10S707/96
    • Systems, methods, and computer program products are provided for ensuring coherency between user data in a client and their corresponding state in enterprise information systems (EIS) wherein data migrates and subscriptions change over time. A mobile business object (MBO) identifies an update to a subscription or a change in set membership in order to provide updates to a client device and EIS systems. Cached data is filtered for client device users who synchronize data they are interested in (i.e., subscribed to). In an embodiment, the method keeps track of set membership by remembering on a per remote identifier/business object basis the set membership for a parent business object. When set membership changes, the method sends delete notifications to the device to remove ex-members. The method recognizes common relationship types in a business scenario and handles reference-type relationships as well as containment-type relationships. The methods include key tracking and membership tracking.
    • 系统,方法和计算机程序产品用于确保客户端中的用户数据与其在数据迁移和订阅随时间变化的企业信息系统(EIS)中的相应状态之间的一致性。 移动业务对象(MBO)识别订阅的更新或设置成员身份的更改,以便向客户端设备和EIS系统提供更新。 高速缓存的数据被过滤,用于同步他们感兴趣的数据(即,订阅)的客户端设备用户。 在一个实施例中,该方法通过在每个远程标识符/业务对象基础上记住父业务对象的集合成员资格来跟踪集合成员关系。 当设置成员资格发生变化时,该方法会向设备发送删除通知以删除前成员。 该方法识别业务场景中的常见关系类型,并处理引用类型关系以及包含类型关系。 这些方法包括密钥跟踪和成员关系跟踪。