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1. 发明授权

US07162470B2 Contextual search interface for business directory services 有权
标题翻译：业务目录服务的上下文搜索界面
公开(公告)号：US07162470B2
公开(公告)日：2007-01-09
申请号：US10457830
申请日：2003-06-09
申请人： Jayant Sharma , Ping Wang , Liujian Qian , Ji Yang
发明人： Jayant Sharma , Ping Wang , Liujian Qian , Ji Yang
IPC分类号： G06F17/00 , G06F17/30
CPC分类号： G06F17/30395 , G06F17/30241 , G06F17/30528 , Y10S707/99931 , Y10S707/99933 , Y10S707/99935
摘要： Business directory services allow definitions of custom category hierarchies and different search methods, such as, for example, search by location, distance from an addressable location, partial or complete business name, and category. A stepwise refinement search interface provides capability for searching within search results using different search methods or categories. Thus, a user does not have to refine and re-enter search criteria in order to get a progressively selective search. This is particularly useful for mobile phone or hand-held device users who would prefer not to have to re-enter the criteria on each search but rather incrementally refine the search criteria.
摘要翻译：业务目录服务允许自定义类别层次结构和不同搜索方法的定义，例如按位置搜索，距离可寻址位置的距离，部分或完整的业务名称和类别。逐步细化搜索界面提供了使用不同搜索方法或类别在搜索结果内进行搜索的功能。因此，为了获得渐进的选择性搜索，用户不必改进并重新输入搜索条件。这对于不想在每个搜索上重新输入标准的移动电话或手持设备用户来说特别有用，而是逐步改进搜索条件。

2. 发明授权

US07376636B1 Geocoding using a relational database 有权
标题翻译：使用关系数据库进行地理编码
公开(公告)号：US07376636B1
公开(公告)日：2008-05-20
申请号：US10165811
申请日：2002-06-07
申请人： Ping Wang , Jayant Sharma , Liujian Qian
发明人： Ping Wang , Jayant Sharma , Liujian Qian
IPC分类号： G06F17/30
CPC分类号： G06F17/30241 , G06F17/30595 , Y10S707/918 , Y10S707/919 , Y10S707/921 , Y10S707/954 , Y10S707/99931 , Y10S707/99936 , Y10S707/99943
摘要： 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.
摘要翻译：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。

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