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1. 发明授权

US06505190B1 Incremental filtering in a persistent query system 有权
标题翻译：持续查询系统中的增量过滤
公开(公告)号：US06505190B1
公开(公告)日：2003-01-07
申请号：US09606431
申请日：2000-06-28
申请人： Dov Harel , Yair Helman , Uri Barash
发明人： Dov Harel , Yair Helman , Uri Barash
IPC分类号： G06F1730
CPC分类号： G06F17/30699 , G06F17/30693 , Y10S707/99932
摘要： A system and method track changes to a document and analyze the changes to the document against a set of predefined queries without re-analyzing the entire document. Hence, after a document has been processed in the system (i.e., had its terms matched against the set of predefined queries), only a small subset of the document needs to be reprocessed and analyzed after changes (i.e., edits) are made. The analysis of the small subset is accomplished by maintaining an incremental-results data set for each document. The incremental-results data set is much smaller than the actual document, only comprising a set of unique words found in a document. After a document is changed, only the words deleted or added to the changed portion are used to update the incremental-results data set.
摘要翻译：系统和方法跟踪文档的更改，并根据一组预定义查询分析文档的更改，而无需重新分析整个文档。因此，在系统中处理了文档（即，其术语与预定义查询集合匹配）之后，在进行改变（即，编辑）之后，仅需要对文档的一小部分进行再处理和分析。通过维护每个文档的增量结果数据集来实现小子集的分析。增量结果数据集远小于实际文档，只包含文档中找到的一组唯一字。更改文档后，仅使用删除或添加到更改的部分的单词来更新增量结果数据集。

2. 发明授权

US06321275B1 Interpreted remote procedure calls 失效
标题翻译：解释远程过程调用
公开(公告)号：US06321275B1
公开(公告)日：2001-11-20
申请号：US08959283
申请日：1997-10-24
申请人： Bruce Wallace McQuistan , Dov Harel
发明人： Bruce Wallace McQuistan , Dov Harel
IPC分类号： G06F954
CPC分类号： G06F9/547
摘要： The present invention performs interpreted remote procedure calls. By utilizing an interpreter, the present invention saves significant storage within a data processing system that performs remote procedure calls. The interpreter of the present invention performs all marshaling and unmarshaling of arguments, thereby consolidating the marshaling and unmarshaling code within a single entity, the interpreter. In performing the marshaling and unmarshaling, the present invention utilizes a descriptor table which contains information pertaining to the argument stack of the remote procedures. By utilizing the present invention, stubs are no longer needed to be used with server side application programs and therefore redundant code and data are minimized throughout the system. However, the present invention also has the flexibility to use stubs with server side application programs where the stubs of the present invention contain a minimal amount of code to interact with the interpreter. By centralizing the marshaling and unmarshaling code into the interpreter, the present invention reduces storage requirements by minimizing the duplication of code throughout the data processing system.
摘要翻译：本发明执行解释的远程过程调用。通过利用解释器，本发明节省了在执行远程过程调用的数据处理系统中的显着存储。本发明的解释器执行所有的调度和解组合参数，从而整合了单个实体（解释器）中的编组和解组合代码。在执行编组和解组时，本发明利用描述符表，该描述符表包含与远程过程的参数栈有关的信息。通过利用本发明，不再需要与服务器端应用程序一起使用存根，因此冗余代码和数据在整个系统中被最小化。然而，本发明还具有使用具有服务器端应用程序的存根的灵活性，其中本发明的存根包含最少量的与解释器交互的代码。通过将编组和解组合代码集中到解释器中，本发明通过最小化整个数据处理系统中的代码重复来减少存储要求。

3. 发明授权

US5873081A Document filtering via directed acyclic graphs 失效
标题翻译：通过有向无环图进行文档过滤
公开(公告)号：US5873081A
公开(公告)日：1999-02-16
申请号：US883286
申请日：1997-06-27
申请人： Dov Harel
发明人： Dov Harel
IPC分类号： G06F17/30
CPC分类号： G06F17/30699 , Y10S707/99933 , Y10S707/99934 , Y10S707/99935
摘要： A method and mechanism for for filtering incoming documents against user queries. A plurality of user queries including terms connected by logical operators is received. Terms and sub-expressions are combined into distinct sub-expressions and embedded into a directed acyclic graph (DAG) having a plurality of nodes. Each node in the DAG includes pointers to any successor nodes thereof, the terms in the queries are embedded as source nodes in the graph, and the operators embedded as internal nodes. When a document is received, the document is evaluated against the nodes in the DAG by comparing the relevant terms in the document with the source nodes in the DAG representative thereof. For each term that matches a source node, the internal successor node of the matched source node is evaluated based on the logical operator represented by the successor node and truth information of the predecessor nodes thereto, thereby determining a truth value of the internal successor node. Information is returned indicative of which of the successor nodes were evaluated as true. From that information, the queries which matched the document and the users corresponding thereto can be determined.
摘要翻译：一种用于根据用户查询过滤传入文档的方法和机制。接收包括由逻辑运算符连接的术语的多个用户查询。术语和子表达式被组合成不同的子表达并嵌入到具有多个节点的有向无环图（DAG）中。 DAG中的每个节点包括指向其任何后续节点的指针，查询中的术语作为源节点嵌入到图中，并将运算符作为内部节点嵌入。当接收到文档时，通过将文档中的相关术语与DAG代表中的源节点进行比较，对DAG中的节点进行评估。对于与源节点匹配的每个术语，基于由后继节点表示的逻辑运算符和其前代节点的真值信息来评估匹配源节点的内部后继节点，从而确定内部后继节点的真值。返回的信息指示哪个后继节点被评估为真。从该信息，可以确定与文档和与其对应的用户匹配的查询。

4. 发明授权

US5740456A Methods and system for controlling intercharacter spacing as font size and resolution of output device vary 失效
标题翻译：用于控制字符间距的方法和系统的字体大小和输出设备的分辨率各不相同
公开(公告)号：US5740456A
公开(公告)日：1998-04-14
申请号：US626826
申请日：1996-04-03
申请人： Dov Harel , Martin P. Tompa , Eliyezer Kohen
发明人： Dov Harel , Martin P. Tompa , Eliyezer Kohen
IPC分类号： G06T11/20 , G06F3/14
CPC分类号： G06T11/203
摘要： A method of controlling the intercharacter spacing between adjacent characters in automatic typography systems. The method ensures that the autohinter creates even spacing between two adjacent characters as the resolution and font size varies. The left and right sidebearings of each character are hinted to one of a plurality of numbers of pixels to produce a hinted left sidebearing and a hinted right sidebearing. Next, a predetermined number of pixels are subtracted from one of the hinted sidebearings and added to the other of the hinted sidebearings. At font sizes less than a predetermined threshold, the plurality of numbers of pixels are such that the left and right sidebearings are hinted to a nearest integer plus one-half pixel, and at all font sizes greater than the predetermined threshold, the left and right sidebearings are hinted to a nearest integer.
摘要翻译：一种控制自动排版系统中相邻字符之间的字符间距的方法。该方法确保自动反相器随着分辨率和字体大小的不同而创建两个相邻字符之间的均匀间距。每个角色的左右侧边框暗示为多个像素中的一个，以产生暗示的左侧边框和暗示的右侧边框。接下来，从一个暗示的侧面顾客中减去预定数量的像素，并将其添加到另一个暗示的旁边。在小于预定阈值的字体大小的情况下，多个像素数使得左右侧边框被暗示为最接近整数加上一半像素，并且在大于预定阈值的所有字体大小上，左和右 sidebearings被暗示为最接近的整数。

5. 发明授权

US5598520A Methods and apparatus for hinting a font for controlling stem width as font size and resolution of output device vary 失效
标题翻译：用于提示用于控制茎宽度的字体的方法和装置的字体大小和输出装置的分辨率各不相同
公开(公告)号：US5598520A
公开(公告)日：1997-01-28
申请号：US311962
申请日：1994-09-26
申请人： Dov Harel , Martin P. Tompa , Eliyezer Kohen
发明人： Dov Harel , Martin P. Tompa , Eliyezer Kohen
IPC分类号： G06T11/20 , G06F3/14
CPC分类号： G06T11/203
摘要： A method of hinting a font to provide improved stem width and intercharacter spacing control in automatic typography systems. The method is adapted to make the transition smoothly and gradually from the smallest font sizes to the largest font sizes. The stem widths and sidebearings of the font are measured and then clustered within a predetermined cluster tolerance parameter. Next, the clustered measurements are partitioned into a plurality of contiguous blocks and then hinted to one of a plurality of integer number of pixels. The number of blocks in the partition will vary depending on the given scaling factor, which is a function of the font size and the resolution of the output device on which the font is to be rendered.
摘要翻译：提示字体在自动排版系统中提供改进的词干宽度和字符间距控制的方法。该方法适合于从最小的字体大小到最大字体大小的平滑渐变。测量字体的干宽度和侧面尺寸，然后将其聚集在预定的聚类容差参数内。接下来，将聚类测量划分成多个连续块，然后暗示为多个整数像素中的一个。分区中的块数将根据给定的缩放因子而变化，缩放因子是字体大小和要在其上呈现字体的输出设备的分辨率的函数。

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