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    • 2. 发明授权
    • Geocoding using a relational database
    • 使用关系数据库进行地理编码
    • US07376636B1
    • 2008-05-20
    • US10165811
    • 2002-06-07
    • Ping WangJayant SharmaLiujian Qian
    • Ping WangJayant SharmaLiujian Qian
    • G06F17/30
    • G06F17/30241G06F17/30595Y10S707/918Y10S707/919Y10S707/921Y10S707/954Y10S707/99931Y10S707/99936Y10S707/99943
    • A geographic data relational database and a spatial library of routines that access and analyze spatial data are used to convert an identified location to a set of geographic coordinate pairs. A geocoder engine applies the spatial library routines to the geographic data in the relational database, and based on the identified location and a set of matching rules, produces the set of geographic coordinates. The geographic data may be derived from multiple sources. The rules may specify, for example, that only geographic coordinates corresponding to an exact match of the identified location are to be returned, or that matching of certain attributes may be relaxed. The identified location may be, for example, the intersection of two streets, an address, a postal area code such as a zip code.
    • 地理数据关系数据库和访问和分析空间数据的例程的空间库用于将识别的位置转换成一组地理坐标对。 地理编码引擎将空间库例程应用于关系数据库中的地理数据,并且基于所识别的位置和一组匹配规则,产生一组地理坐标。 地理数据可以从多个来源导出。 规则可以指定例如仅返回与所识别的位置的精确匹配相对应的地理坐标,或者可以放宽某些属性的匹配。 识别的位置可以是例如两条街道的交叉点,一个地址,邮政区号等邮政编码。
    • 3. 发明授权
    • Buffering a hierarchical index of multi-dimensional data
    • 缓冲多维数据的分层索引
    • US06470344B1
    • 2002-10-22
    • US09384648
    • 1999-08-27
    • Ravi KothuriSiva RavadaJayant SharmaJayanta BanerjeeAmbuj Singh
    • Ravi KothuriSiva RavadaJayant SharmaJayanta BanerjeeAmbuj Singh
    • G06F1730
    • G06F17/30327G06F17/30333G06F17/30592Y10S707/957Y10S707/99945
    • Methods are provided for buffering nodes of a hierarchical index (e.g., R-tree, bang file, hB-tree) during operations on multi-dimensional data represented by the index. The methods are particularly suited for query operations, and a different method may be more suitable for one pattern of queries than another. Where queries are distributed in a relatively uniform manner across the domain or dataspace of an index, a node-area buffering method is provided. In this method nodes are cached or buffered in order of their respective areas (e.g., their minimum bounding areas), and a node having a smaller area will be replaced in cache before a node having a larger area. When, however, queries are not uniformly distributed, then a least frequently accessed buffering technique may be applied. According to this method statistics are maintained concerning the frequency with which individual index nodes are accessed. Those accessed less frequently are replaced in cache before those accessed more frequently. Yet another, generic, buffering strategy is provided that is suitable for all patterns of query distribution. In accordance with this method, whenever a node must be removed from cache in order to make room for a newly accessed node, cached nodes are compared to each other to determine which provides the least caching benefit and may therefore be ejected. A comparison may involve three factors—the difference in the nodes' areas, the difference in the frequency with which they have been accessed and the difference between their latest access times. These factors may be weighted to give them more or less effect in relation to each other.
    • 提供了用于在由索引表示的多维数据的操作期间缓冲分层索引(例如,R-tree,bang文件,hB-树)的节点的方法。 这些方法特别适用于查询操作,并且不同的方法可能比另一种更适合于一种查询模式。 在索引的域或数据空间中以相对均匀的方式分布查询的情况下,提供了节点区域缓冲方法。 在这种方法中,节点按照它们各自的区域(例如,它们的最小边界区域)的顺序进行缓存或缓冲,并且具有较小区域的节点将在具有较大面积的节点之前在高速缓存中被替换。 然而,当查询不是均匀分布时,则可以应用最不频繁访问的缓冲技术。 根据该方法,关于访问各个索引节点的频率来维持统计。 访问次数较少的用户在更频繁访问的缓存中被替换。 提供了另一种适用于所有查询分发模式的通用缓冲策略。 根据该方法,每当节点必须从高速缓存中移除以便为新访问的节点腾出空间时,将缓存的节点彼此进行比较,以确定哪个节点提供最小的缓存优点并且因此可以被弹出。 比较可能涉及三个因素 - 节点区域的差异,访问频率的差异以及其最新访问时间之间的差异。 这些因素可能被加权,以使他们或多或少相互影响。
    • 6. 发明授权
    • Apparatus for dispensing a flavorable material
    • 用于分配可流动材料的装置
    • US5316195A
    • 1994-05-31
    • US768804
    • 1991-09-30
    • Stephen L. MoksnesJayant SharmaRonald D. OlsonRonald S. TumpJames M. KocherTerrance J. Pausch
    • Stephen L. MoksnesJayant SharmaRonald D. OlsonRonald S. TumpJames M. KocherTerrance J. Pausch
    • G01G13/02B67D5/62
    • G01G13/026
    • A material feeder for dispensing batches of material which includes a refrigerated enclosure, a material feeder, a feeder drive arrangement, a scale and a controller. The feeder is housed within the refrigerated enclosure, and is removably coupled to the drive arrangement such that the complete feeder arrangement which is exposed to the material (e.g., foodstuffs such as shredded cheese) may be removed from the enclosure for cleaning at a location separate from the enclosure such as a dishwasher. The scale is connected to a container which catches the material dispensed by the feeder and produces a weight signal such is applied to the control unit. The control unit operates the drive unit which rotates a plurality of feed screws in the feeder at two speeds. In particular, the feed screws are driven at a first speed to dispense material at a high rate until a first weight of material is dispensed into the container, and a second speed is used to rotate the feed screws just prior to obtaining the desired weight in the container. This two speed arrangement prevents undesirably overshooting the desired weight for the material to be dispensed in the container. Upon reaching the set point weight, the drive unit is turned off by the control unit.
    • 用于分配材料的材料馈送器,其包括冷藏外壳,材料馈送器,馈送器驱动装置,秤和控制器。 进料器被容纳在冷藏的外壳内,并且可拆卸地联接到驱动装置上,使得暴露于材料(例如,食物如切碎的干酪)的完整进料器装置可以从外壳中移除,以在单独的位置清洁 从外壳如洗碗机。 标尺连接到捕获由馈送器分配的材料的容器,并产生施加到控制单元的重量信号。 控制单元操作驱动单元,其以两个速度旋转进给器中的多个进给螺杆。 特别地,进料螺杆以第一速度被驱动以高速率分配材料,直到材料的第一重量被分配到容器中,并且使用第二速度在刚好获得所需重量之前旋转进料螺杆 容器 这种两速布置防止了不期望地超过待分配在容器中的材料的所需重量。 当达到设定点重量时,驱动单元被控制单元关闭。