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1. 发明授权

US06108655A Method and apparatus for transmitting images and other objects over a computer network system 失效
标题翻译：用于通过计算机网络系统传送图像和其它物体的方法和装置
公开(公告)号：US06108655A
公开(公告)日：2000-08-22
申请号：US896408
申请日：1997-07-18
申请人： Stephen I. Schleimer , John K. Ahlstrom , Paul L. Hickman
发明人： Stephen I. Schleimer , John K. Ahlstrom , Paul L. Hickman
IPC分类号： G06F17/30
CPC分类号： G06F17/30902 , Y10S707/99933 , Y10S707/99945 , Y10S707/99953
摘要： A network browsing system includes a host computer coupled to a client computer by a network. A network browser process implemented on the client computer is capable of establishing a connection with the host computer and of generating a request for desired data from the host computer which is to generate desired images on the display of the client computer. A server process implemented on the host computer services the request for desired data received from the client computer by modifying the desired data into modified data such that no additional connection between the client computer and the host computer is required to receive the entirety of the modified data. The browser process of the client computer can generate the desired images from the modified data to the same extent that it could from the originally requested desired data.
摘要翻译：网络浏览系统包括通过网络耦合到客户端计算机的主计算机。在客户端计算机上实现的网络浏览器处理能够建立与主计算机的连接，并且从主计算机生成对于在客户计算机的显示器上产生所需图像的期望数据的请求。在主计算机上实现的服务器进程通过将所需数据修改为修改数据来服务从客户计算机接收的期望数据的请求，使得不需要客户端计算机和主计算机之间的附加连接来接收整个修改的数据。客户端计算机的浏览器进程可以从修改的数据生成所需的图像，使其可以从原始请求的所需数据得到相同的程度。

2. 发明授权

US4498131A Data processing system having addressing mechanisms for processing object-based information and a protection scheme for determining access rights to such information 失效
标题翻译：具有用于处理基于对象的信息的寻址机制的数据处理系统和用于确定对这些信息的访问权限的保护方案
公开(公告)号：US4498131A
公开(公告)日：1985-02-05
申请号：US266408
申请日：1981-05-22
申请人： Richard G. Bratt , Edward S. Gavrin , Stephen I. Schleimer , John F. Pilat , Walter A. Wallach, Jr. , Michael S. Richmond , Richard A. Belgard , David A. Farber , John K. Ahlstrom , Steven J. Wallach , Lawrence H. Katz , Douglas M. Wells , Craig J. Mundie , Gerald F. Clancy , David H. Bernstein , Thomas M. Jones , Brett L. Bachman
发明人： Richard G. Bratt , Edward S. Gavrin , Stephen I. Schleimer , John F. Pilat , Walter A. Wallach, Jr. , Michael S. Richmond , Richard A. Belgard , David A. Farber , John K. Ahlstrom , Steven J. Wallach , Lawrence H. Katz , Douglas M. Wells , Craig J. Mundie , Gerald F. Clancy , David H. Bernstein , Thomas M. Jones , Brett L. Bachman
IPC分类号： G01R31/3185 , G06F7/00 , G06F7/57 , G06F9/22 , G06F9/26 , G06F9/30 , G06F9/35 , G06F9/46 , G06F9/48 , G06F11/07 , G06F12/08 , G06F12/14
CPC分类号： G01R31/318505 , G06F11/073 , G06F11/0793 , G06F12/0875 , G06F12/1483 , G06F7/00 , G06F7/483 , G06F9/3013 , G06F9/35 , G06F9/4843 , G06F9/54 , G06F7/49905 , G06F7/4991 , G06F7/49926
摘要： A digital data processing system has a memory organized into objects containing at least operands and instructions. Each object is identified by a unique and permanent identifier code which identifies the data processing system and the object. The system utilizes unique addressing mechanisms the addresses of which have object fields, offset fields and length fields for specifying the location and the total number of bits of an addressed object. The system uses a protection technique to prevent unauthorized access to objects by users who are identified by a subject number which identifies the user, a process of the system for executing the user's procedure, and the type of operation of the system to be performed by the user's procedure. An access control list for each object includes an access control list entry for each subject having access rights to the object and means for confirming that a particular active subject has access rights to a particular object before permitting access to the object.
摘要翻译：数字数据处理系统具有被组织成至少包含操作数和指令的对象的存储器。每个对象由识别数据处理系统和对象的唯一且永久的标识符代码来标识。该系统利用独特的寻址机制，其地址具有用于指定寻址对象的位置和总位数的对象字段，偏移字段和长度字段。该系统使用保护技术来防止由识别用户的主题号码，用于执行用户过程的系统的处理以及由该用户执行的系统的操作类型由用户标识的用户的未经授权的访问用户程序。每个对象的访问控制列表包括具有对对象的访问权限的每个对象的访问控制列表条目，以及用于在允许访问对象之前确认特定活动主体具有对特定对象的访问权限的装置。

3. 发明授权

US4493027A Method of performing a call operation in a digital data processing system having microcode call and return operations 失效
标题翻译：在具有微码呼叫和返回操作的数字数据处理系统中执行呼叫操作的方法
公开(公告)号：US4493027A
公开(公告)日：1985-01-08
申请号：US266526
申请日：1981-05-22
申请人： Lawrence H. Katz , Douglas M. Wells , Michael S. Richmond , Richard A. Belgard , Walter A. Wallach, Jr. , David H. Bernstein , John K. Ahlstrom , John F. Pilat , David A. Farber , Richard G. Bratt
发明人： Lawrence H. Katz , Douglas M. Wells , Michael S. Richmond , Richard A. Belgard , Walter A. Wallach, Jr. , David H. Bernstein , John K. Ahlstrom , John F. Pilat , David A. Farber , Richard G. Bratt
IPC分类号： G06F9/40 , G06F3/00 , G06F9/22 , G06F9/36 , G06F9/46
CPC分类号： G06F9/4425
摘要： A method for executing call and return instructions in a digital computer system operating under control of microcode. The microcode may specify calls to and returns from sequences of microinstructions. A call microinstruction sequence corresponds to the call instruction. The call microcode in turn calls other microinstruction sequences for deriving pointers representing the location of the called procedure and of arguments from operands in the call instruction. As the call microcode obtains each argument pointer, it places the pointer on the stack. After it has obtained all of the argument pointers, it passes the pointer to the called procedure and a pointer to the argument pointers to a general call microinstruction sequence. That microinstruction sequence locates the called procedure, makes a new frame including the argument pointers, and saves the state necessary to resume execution of the call microinstruction sequence itself. It then obtains the state necessary to commence execution of the called procedure and causes execution of that procedure to commence. The microcode corresponding to the return instruction restores both the state necessary to resume execution of the calling procedure and the state necessary to resume execution of the call microinstruction sequence. When it resumes execution, the call microinstruction sequence completes the return operation.
摘要翻译：一种在微码控制下操作的数字计算机系统中执行呼叫和返回指令的方法。微代码可以指定对微指令序列的调用和返回。调用微指令序列对应于调用指令。调用微代码又调用其他微指令序列来导出表示被调用过程的位置的指针，以及调用指令中操作数的参数。当调用微代码获取每个参数指针时，它将指针放在堆栈上。在获取所有参数指针之后，它将指针传递给被调用的过程，并将指针指向一般调用微指令序列。该微指令序列定位被调用的过程，创建一个包含参数指针的新帧，并保存恢复执行调用微指令序列本身所需的状态。然后获得开始执行被叫程序所必需的状态，并使该程序的执行开始。对应于返回指令的微代码恢复恢复执行调用过程所需的状态和继续执行调用微指令序列所需的状态。当它恢复执行时，调用微指令序列完成返回操作。

4. 发明授权

US06327618B1 Recognizing and processing conflicts in network management policies 有权
标题翻译：认识和处理网络管理政策中的冲突
公开(公告)号：US06327618B1
公开(公告)日：2001-12-04
申请号：US09205831
申请日：1998-12-03
申请人： John K. Ahlstrom , Stephen I. Schleimer
发明人： John K. Ahlstrom , Stephen I. Schleimer
IPC分类号： G06F15173
CPC分类号： H04L41/0213 , H04L41/0893 , Y10S707/99935
摘要： A method and apparatus are provided for recognizing and processing conflicts in policies that govern a policy-based system. The method and apparatus may be implemented as a policy verifier that acts upon one or more policies. Each policy is formally defined and comprises a condition and a consequent, each of which are further formally defined in terms of component elements. A conflict among two or more policies is formally defined to occur when the condition of a first policy and the condition of a second policy may be simultaneously true, and when the consequent of the first policy and the consequent of the second policy may not be carried out simultaneously. When a policy conflict is detected, the conflict is resolved by bringing it to the attention of a user or external system, and receiving information that corrects one of the policies or specifies a precedence relationship among the policies.
摘要翻译：提供了一种方法和装置，用于识别和处理管理基于策略的系统的策略中的冲突。该方法和装置可以被实现为作用于一个或多个策略的策略验证器。每个政策都被正式定义，包括一个条件和结果，其中的每个都是按组成要素进一步正式定义的。当第一政策的条件和第二政策的条件可能同时成立时，以及第一政策的后果和第二政策的后果可能不被执行时，两种或多种政策之间的冲突被正式地定义为发生同时出来。当检测到策略冲突时，通过使用户或外部系统注意解决冲突，并且接收纠正策略之一或指定策略之间的优先关系的信息。

5. 发明授权

US4731734A Digital computer system incorporating object-based addressing and access control and tables defining derivation of addresses of data from operands in instructions 失效
标题翻译：包含基于对象的寻址和访问控制的数字计算机系统和定义从指令中的操作数的地址的地址的表
公开(公告)号：US4731734A
公开(公告)日：1988-03-15
申请号：US830480
申请日：1986-02-14
申请人： Ronald H. Gruner , Gerald F. Clancy , Craig J. Mundie , Stephen I. Schleimer , Steven J. Wallach , Richard G. Bratt , Edward S. Gavrin , Walter A. Wallach, Jr. , John K. Ahlstrom , Michael S. Richmond , David H. Bernstein
发明人： Ronald H. Gruner , Gerald F. Clancy , Craig J. Mundie , Stephen I. Schleimer , Steven J. Wallach , Richard G. Bratt , Edward S. Gavrin , Walter A. Wallach, Jr. , John K. Ahlstrom , Michael S. Richmond , David H. Bernstein
IPC分类号： G06F9/35 , G06F9/44 , G06F9/30
CPC分类号： G06F9/4428 , G06F9/35
摘要： A digital computer system having a memory system organized into objects for storing data and a processor for processing data in response to instructions. An object identifier and an access control list are associated with each object. The memory system responds to logical addresses for data which specify the object containing the data and the offset of the data in the object and to a current subject for which the processor is referencing the data. The memory system performs a memory operation for the processor only if the access control list for the object specified by the logical address allows the current subject to perform the desired memory operation. The objects include procedure objects and data objects. The procedure objects contain procedures including the instructions and name tables associated with the procedures. The instructions contain operations codes and names representing data. Each name corresponds to a name table entry in the name table associated with the procedure. The name table for a name contains information from which the processor may derive the logical address for the data represented by the name. The processor may then use the logical address to specify a memory operation on the data represented by the name.
摘要翻译：一种数字计算机系统，具有组织成用于存储数据的对象的存储器系统和用于响应于指令来处理数据的处理器。对象标识符和访问控制列表与每个对象相关联。存储器系统对指定包含数据的对象的数据和对象中的数据的偏移以及处理器正在引用数据的当前对象的数据进行响应。只有当由逻辑地址指定的对象的访问控制列表允许当前主体执行所需的存储器操作时，存储器系统才对处理器执行存储器操作。对象包括过程对象和数据对象。过程对象包含与过程相关联的指令和名称表的过程。指令包含表示数据的操作代码和名称。每个名称对应于与该过程相关联的名称表中的名称表项。名称的名称表包含信息，处理器可从中获取由该名称表示的数据的逻辑地址。然后，处理器可以使用逻辑地址来指定对由该名称表示的数据的存储器操作。

6. 发明授权

US4499604A Digital data processing system for executing instructions containing operation codes belonging to a plurality of operation code sets and names corresponding to name table entries 失效
标题翻译：数字数据处理系统，用于执行包含属于多个操作码集的操作码和与名称表条目对应的名称的指令
公开(公告)号：US4499604A
公开(公告)日：1985-02-12
申请号：US266423
申请日：1981-05-22
申请人： Gerald F. Clancy , Ronald H. Gruner , Stephen I. Schleimer , Craig J. Mundie , Steven J. Wallach , Walter A. Wallach, Jr. , John K. Ahlstrom , Michael S. Richmond , David H. Bernstein , Richard G. Bratt
发明人： Gerald F. Clancy , Ronald H. Gruner , Stephen I. Schleimer , Craig J. Mundie , Steven J. Wallach , Walter A. Wallach, Jr. , John K. Ahlstrom , Michael S. Richmond , David H. Bernstein , Richard G. Bratt
IPC分类号： G06F9/318 , G06F9/35 , G06F9/30
CPC分类号： G06F9/30192 , G06F9/3017 , G06F9/35
摘要： A digital computer system having a memory for storing and providing data including instructions and a processor for processing data in response to the instructions and providing memory operation specifiers to the memory which specify an address of a data item and the memory operation to be performed on it. The instructions in the digital computer system include operation codes belonging to more than one set of operation codes and names representing items to be processed in the operation specified by the operation code. The data in memory further includes name table entries. Each name table entry corresponds to a name and contains information specifying the address of the item represented by the name. The processor includes apparatus for decoding each operation code in response to the operation code and to a dialect value contained in the decoding apparatus which specifies which operation code set the operation code being decoded belongs to. The processor further includes apparatus for processing names by resolving them to produce the addresses specified by their corresponding name table entries and control apparatus responsive to the instruction decoding apparatus and the name processing apparatus for controlling the processor and providing memory operation specifiers containing the addresses produced by the name processing means to the memory.
摘要翻译：一种数字计算机系统，具有用于存储和提供包括指令的数据的存储器和用于响应于指令处理数据的处理器，并向存储器提供指定数据项的地址的存储器操作说明符以及要对其执行的存储器操作。数字计算机系统中的指令包括属于多于一组操作代码的操作代码和表示在由操作代码指定的操作中要处理的项目的名称。内存中的数据还包括名称表条目。每个名称表项对应一个名称，并包含指定由该名称表示的项目的地址的信息。处理器包括用于响应于操作代码解码每个操作代码的装置和解码装置中包含的指定哪个操作代码设置被解码的操作码属于的方言值的装置。处理器还包括通过解析它们以产生由其对应的名称表格条目和控制装置指定的地址来处理名称的装置，该装置响应于指令解码装置和用于控制处理器的名称处理装置，并提供包含由名称处理意味着记忆。

7. 发明授权

US4803619A Digital data processing system incorporating apparatus for resolving names 失效
标题翻译：数字数据处理系统，包括解析名称的装置
公开(公告)号：US4803619A
公开(公告)日：1989-02-07
申请号：US877699
申请日：1986-06-20
申请人： David H. Bernstein , Walter A. Wallach , Michael S. Richmond , John K. Ahlstrom , John F. Pilat , David A. Farber , Richard A. Belgard , Richard G. Bratt
发明人： David H. Bernstein , Walter A. Wallach , Michael S. Richmond , John K. Ahlstrom , John F. Pilat , David A. Farber , Richard A. Belgard , Richard G. Bratt
IPC分类号： G06F9/35 , G06F9/355 , G06F9/42 , G06F13/00 , G06F9/00
CPC分类号： G06F9/342 , G06F9/35 , G06F9/4426
摘要： Apparatus in a digital computer system capable of performing a call operation and a return operation for obtaining addresses of data from names representing the data. Each name is permanently associated with a procedure containing instructions to which the digital computer system responds. Each name further corresponds to a name table entry which is permanently associated with the same procedure. The corresponding name table entry for a name specifies how a base address and a displacement are to be derived using a plurality of current base addresses. The values of these addresses change only when the computer system executes a call operation suspending a current execution of a procedure and commencing another current execution or a return operation terminating the current execution and resuming the execution which was suspended to commence the terminated execution. The operation of resolving a name, i.e., obtaining the address of the data represented by the name, is performed by name interpretation apparatus in processors of the data processing system. In response to a name, the name interpretation apparatus locates the name table entry corresponding to the name fetches the name table entry, calculates the base address and the displacement using the name table entry and the current architectural base addresses, and then adds the base address to the displacement to obtain the address of the data represented by the name.
摘要翻译：能够执行呼叫操作和返回操作的数字计算机系统中的装置，用于从表示数据的名称获得数据的地址。每个名称与包含数字计算机系统响应的指令的过程永久关联。每个名称进一步对应于与相同过程永久关联的名称表条目。名称的相应名称表项指定如何使用多个当前基地址来导出基地址和位移。这些地址的值只有在计算机系统执行暂停执行过程的当前执行的调用操作并且开始当前执行的另一个当前执行或返回操作终止当前执行并且恢复被暂停的执行以开始终止执行时才改变。通过名称解释装置在数据处理系统的处理器中执行解析名称的操作，即获得由该名称表示的数据的地址。响应于名称，名称解释装置找到与名称相对应的名称表条目，获取名称表项，使用名称表项和当前架构基地址来计算基地址和位移，然后添加基地址以位移获取由名称表示的数据的地址。

8. 发明授权

US4675810A Digital data processing system having a uniquely organized memory system using object-based addressing and in which operand data is identified by names accessed by name tables 失效
标题翻译：数字数据处理系统具有使用基于对象的寻址的唯一组织的存储器系统，并且其中操作数数据由名称表访问的名称标识
公开(公告)号：US4675810A
公开(公告)日：1987-06-23
申请号：US266536
申请日：1981-05-22
申请人： Ronald H. Gruner , Gerald F. Clancy , Craig J. Mundie , Stephen I. Schleimer , Steven J. Wallach , Richard G. Bratt , Edward S. Gavrin , Walter A. Wallach, Jr. , John K. Ahlstrom , Michael S. Richmond , David H. Bernstein , John F. Pilat , David A. Farber , Richard A. Belgard
发明人： Ronald H. Gruner , Gerald F. Clancy , Craig J. Mundie , Stephen I. Schleimer , Steven J. Wallach , Richard G. Bratt , Edward S. Gavrin , Walter A. Wallach, Jr. , John K. Ahlstrom , Michael S. Richmond , David H. Bernstein , John F. Pilat , David A. Farber , Richard A. Belgard
IPC分类号： G06F9/35 , G06F9/42 , G06F9/06
CPC分类号： G06F9/4426 , G06F9/35
摘要： A digital computer system having a memory system organized into procedure and data objects, each having a unique identifier code and an access control list, for storing items of information and a processor for processing data in response to instructions. The instructions contain operation codes and names representing data. Each name corresponds to a name table entry in a name table which contains information from which the processor determines the location and the format for the data. The name table entry specifies a base address of one of a set thereof which change value only when a call or a return instruction is executed. A name interpretation system fetches a name table entry, calculates the base address and a displacement using the name table entry and the current architectural base address and adds the base address to the displacement to form the address of the data represented by the name.
摘要翻译：一种数字计算机系统，其具有组织成过程和数据对象的存储器系统，每个存储器系统具有用于存储信息项的唯一标识符代码和访问控制列表，以及响应于指令处理数据的处理器。指令包含表示数据的操作代码和名称。每个名称对应于名称表中的名称表条目，其中包含处理器确定数据的位置和格式的信息。名称表条目指定仅当执行呼叫或返回指令时才改变值的其中一个的基地址。名称解释系统获取名称表项，使用名称表项和当前体系结构基地址计算基地址和位移，并将基地址添加到位移，以形成由名称表示的数据的地址。

9. 发明授权

US4517642A Digital computer system having unique means of referring to operands and ability to execute a plurality of internal languages 失效
标题翻译：数字计算机系统具有引用操作数和执行多种内部语言的能力的独特手段
公开(公告)号：US4517642A
公开(公告)日：1985-05-14
申请号：US266521
申请日：1981-05-22
申请人： John K. Ahlstrom , David H. Bernstein , Gerald F. Clancy , Ronald H. Gruner , Craig J. Mundie , Michael S. Richmond , Stephen I. Schleimer , Steven J. Wallach , Walter A. Wallach, Jr.
发明人： John K. Ahlstrom , David H. Bernstein , Gerald F. Clancy , Ronald H. Gruner , Craig J. Mundie , Michael S. Richmond , Stephen I. Schleimer , Steven J. Wallach , Walter A. Wallach, Jr.
IPC分类号： G01R31/3185 , G06F7/00 , G06F7/57 , G06F9/22 , G06F9/26 , G06F9/318 , G06F9/35 , G06F9/46 , G06F9/48 , G06F11/07 , G06F12/08 , G06F12/14 , G06F9/40
CPC分类号： G01R31/318505 , G06F11/0721 , G06F11/0793 , G06F12/0875 , G06F12/1483 , G06F7/00 , G06F7/483 , G06F9/223 , G06F9/226 , G06F9/262 , G06F9/268 , G06F9/30192 , G06F9/35 , G06F9/4843 , G06F9/54 , G06F7/49905 , G06F7/4991 , G06F7/49926
摘要： A digital computer system in which data operands are represented by names. Each procedure includes a name table, and means are provided to employ the name table to resolve the names into storage addresses at run time. The system also has the ability to run any of a plurality of S-Languages (an S-Language being conceptually similar to a machine language but of higher order); each S-Language can be optimally tailored to a high-order user language. Each procedure includes a dialect code which indicates the dialect of S-Language to which the instructions in the current procedure belong, and the system has provision to execute each procedure accordingly.
摘要翻译：数字计算机系统，其中数据操作数由名称表示。每个过程都包括一个名称表，并提供了使用名称表在运行时将名称解析为存储地址的方法。该系统还具有运行多种S语言（S语言在概念上类似于机器语言但是具有更高级别）的能力; 每个S语言都可以根据高阶用户语言进行最佳的定制。每个过程包括一个方言代码，指示当前过程中的指令所属的S语言的方言，并且系统具有相应地执行每个过程的规定。

10. 发明授权

US4498132A Data processing system using object-based information and a protection scheme for determining access rights to such information and using multilevel microcode techniques 失效
标题翻译：使用基于对象的信息的数据处理系统和用于确定对这种信息的访问权限并使用多级微代码技术的保护方案
公开(公告)号：US4498132A
公开(公告)日：1985-02-05
申请号：US266413
申请日：1981-05-22
申请人： John K. Ahlstrom , Brett L. Bachman , Richard A. Belgard , David H. Bernstein , Richard G. Bratt , Gerald F. Clancy , Edward S. Gavrin , Ronald H. Gruner , Thomas M. Jones , Lawrence H. Katz , Craig J. Mundie , Michael S. Richmond , Stephen I. Schleimer , Steven J. Wallach , Walter A. Wallach, Jr. , Douglas M. Wells
发明人： John K. Ahlstrom , Brett L. Bachman , Richard A. Belgard , David H. Bernstein , Richard G. Bratt , Gerald F. Clancy , Edward S. Gavrin , Ronald H. Gruner , Thomas M. Jones , Lawrence H. Katz , Craig J. Mundie , Michael S. Richmond , Stephen I. Schleimer , Steven J. Wallach , Walter A. Wallach, Jr. , Douglas M. Wells
IPC分类号： G01R31/3185 , G06F7/00 , G06F7/57 , G06F9/22 , G06F9/26 , G06F9/318 , G06F9/35 , G06F9/46 , G06F9/48 , G06F11/07 , G06F12/08 , G06F12/14
CPC分类号： G06F9/54 , G01R31/318505 , G06F11/073 , G06F11/0793 , G06F12/0875 , G06F12/1483 , G06F7/00 , G06F7/483 , G06F9/223 , G06F9/226 , G06F9/262 , G06F9/268 , G06F9/3017 , G06F9/35 , G06F9/4843 , G06F7/49905 , G06F7/4991 , G06F7/49926
摘要： A digital data processing system has a memory organized into objects containing at least operands and instructions. Each object is identified by a unique and permanent identifier code which identifies the data processing system and the object. The system further uses multilevel microcode techniques for controlling sequences of microinstructions and for controlling the interval operations of the processor. The system uses a protection technique to prevent unauthorized access to objects by users who are identified by a subject number which identifies the user, a process of the system for executing a user's procedure, and the type of operation of the system to be performed by the user's procedure. An access control list for each object includes an access control list entry for each subject having access rights to the object and means for confirming that a particular active subject has access rights to a particular object before permitting access to the object. The system also includes stacks for containing information relating to the current state of execution of the system.
摘要翻译：数字数据处理系统具有被组织成至少包含操作数和指令的对象的存储器。每个对象由识别数据处理系统和对象的唯一且永久的标识符代码来标识。该系统还使用多级微代码技术来控制微指令的序列并且用于控制处理器的间隔操作。该系统使用保护技术来防止由标识用户的主题号码，用于执行用户过程的系统的处理以及由该用户执行的系统的操作类型由用户标识的用户的未经授权的访问用户程序。每个对象的访问控制列表包括具有对对象的访问权限的每个对象的访问控制列表条目，以及用于在允许访问对象之前确认特定活动主体具有对特定对象的访问权限的装置。系统还包括用于包含与系统的当前执行状态有关的信息的堆栈。

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