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    • 1. 发明授权
    • Shared and independent views of shared workspace for real-time collaboration
    • 共享和独立的共享工作区视图用于实时协作
    • US06564246B1
    • 2003-05-13
    • US09241928
    • 1999-02-02
    • Pradeep VarmaSuresh Kumar
    • Pradeep VarmaSuresh Kumar
    • G06F1516
    • G06Q10/10
    • A synchronous collaboration environment that supports real-time collaboration of multiple participants, each having shared and independent views of the shared workspace. Multiple views per participant are provided. Some of the views seen by a participant can be shared views with the usual common cursor and annotation tools. The shared views need not be homogeneous, which means that for a given view, each participant can see more than just some common data in his or window for the view. What the participant sees separately from the common data can make his or her shared view different from that of other participants. The view can be different due to different data being exposed in the view. Some of the views seen by a participant can be independent views. This allows to the participant synchronous working with the shared workspace alone on his or her own. The collaboration system includes a user interface and support for aligning views including goto and overlaying. Participants can modify the workspace through their views in a synchronized manner provided the sharing and access rights of their views allow them to do so.
    • 支持多个参与者的实时协作的同步协作环境,每个参与者具有共享和独立的共享工作空间视图。 提供每个参与者的多个视图。 参与者看到的一些视图可以与通常的常用光标和注释工具共享。 共享视图不需要是同质的,这意味着对于给定的视图,每个参与者可以看到他的视图或其视图中的一些常见数据。 参与者与共同数据分开的看法可以使他或她的共享视图与其他参与者的观点不同。 由于在视图中暴露的不同数据,视图可能会有所不同。 参与者看到的一些观点可以是独立观点。 这允许参与者独立地使用共享工作空间。 协作系统包括用户界面和支持对齐视图,包括goto和覆盖。 参与者可以通过他们的视图以同步方式修改工作空间,只要他们的视图的共享和访问权限允许他们这样做。
    • 2. 发明授权
    • Annotation layer for synchronous collaboration
    • 用于同步协作的注释层
    • US06342906B1
    • 2002-01-29
    • US09243084
    • 1999-02-02
    • Suresh KumarPradeep Varma
    • Suresh KumarPradeep Varma
    • G06F300
    • G06F3/038G06F3/1454
    • Effective real-time collaboration across remote sites in which any type of data can be shared in a common work space in a consistent manner is made possible by an annotation layer having multiple distinct modes of operation during a collaborative session with two or more people sharing the same work space. One mode is a discussion mode in which one or more users simply share a common view of the shared data and manipulate the view independent of the shared data. During the discussion mode, all user input is handled by the annotation layer which interprets user inputs to move common cursors, create, move or delete markings and text which, since the annotation layer is transparent, appear over the application. Another mode is an edit mode in which one or more users actually edit the shared data. The applications and the data are synchronized among all clients to display the same view. Manipulating the view includes moving a common cursor and placing markings on the common view using text and/or drawing tools.
    • 通过在与两个或更多个人共享的协作会话期间具有多个不同操作模式的注释层,可以跨越跨站点进行有效的实时协作,其中任何类型的数据可以以一致的方式共享在共同的工作空间中 相同的工作空间。 一种模式是一种讨论模式,其中一个或多个用户简单地共享共享数据的共同视图并且独立于共享数据来操纵视图。 在讨论模式期间,所有用户输入都由注释层处理,注释层解释用户输入以移动公共光标,创建,移动或删除标记和文本,由于注释层是透明的,因此在应用程序中显示。 另一模式是一个或多个用户实际编辑共享数据的编辑模式。 应用程序和数据在所有客户端之间同步以显示相同的视图。 操作视图包括移动公共光标,并使用文本和/或绘图工具在公共视图上放置标记。
    • 3. 发明授权
    • Distributed server for real-time collaboration
    • 分布式服务器进行实时协作
    • US06334141B1
    • 2001-12-25
    • US09241991
    • 1999-02-02
    • Pradeep VarmaSuresh Kumar
    • Pradeep VarmaSuresh Kumar
    • G06F15163
    • H04L47/10G06F2209/505H04L12/1813H04L47/125H04L67/10H04L67/38
    • A distributed server for real-time collaboration is substituted for a centralized server to address the problem of the development of unacceptable communication and computation bottlenecks resulting from the use of a one-software-process-based centralized server running somewhere on the available network. The substitute distributed server improves scaleability of real-time collaboration by being based on multiple, independently-communicating, asynchronous, independent (i.e., no shared memory, data, variables, etc.) software processes. The processes can be distributed to multiple machines throughout the network and run simultaneously in order to avoid the centralized server's bottlenecks. To be used, a distributed server requires a disjoint, fully covering partitioning of a work space, wherein it can handle partition hierarchies and groups comprehensively. The distributed server solution is general because of the ability of distributed servers to work with different definitions of a modification. The distributed server solution is extensible because of its simple and comprehensive treatment of inter-partition synchronization.
    • 用于实时协作的分布式服务器被替换为集中式服务器,以解决由于使用在可用网络上某处运行的基于单软件过程的集中式服务器而导致的不可接受的通信和计算瓶颈的开发问题。 替代分布式服务器通过基于多个,独立通信,异步,独立(即,没有共享存储器,数据,变量等)软件处理来提高实时协作的可扩展性。 这些进程可以分布到整个网络中的多台机器并同时运行,以避免集中式服务器的瓶颈。 为了被使用,分布式服务器需要不相交,完全覆盖工作空间的分区,其中它可以全面地处理分区层次结构和组。 分布式服务器解决方案是一般的,因为分布式服务器可以使用不同的修改定义。 分布式服务器解决方案是可扩展的,因为它对分区间同步进行了简单而全面的处理。