LIUJIAN QIAN
Broker in North Lancaster, MA
License number
Massachusetts 9528604
Issued Date
Aug 24, 2013
Expiration Date
Feb 25, 2018
Type
Salesperson
Address
Address
North Lancaster, MA 01523
Professional information
Contextual Search Interface For Business Directory Services
US Patent:
2004005, Mar 18, 2004
Filed:
Jun 9, 2003
Appl. No.:
10/457830
Inventors:
Jayant Sharma - Nashua NH, US
Ping Wang - Stanford CA, US
Liujian Qian - Lancaster MA, US
Ji Yang - Nashua NH, US
Ping Wang - Stanford CA, US
Liujian Qian - Lancaster MA, US
Ji Yang - Nashua NH, US
Assignee:
Oracle International Corporation - Redwood Shores CA
International Classification:
G06F017/00, G06F015/16
US Classification:
707/104100, 709/203000
Abstract:
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.
Geocoding Using A Relational Database
US Patent:
7376636, May 20, 2008
Filed:
Jun 7, 2002
Appl. No.:
10/165811
Inventors:
Ping Wang - Stanford CA, US
Jayant Sharma - Nashua NH, US
Liujian Qian - Lancaster MA, US
Jayant Sharma - Nashua NH, US
Liujian Qian - Lancaster MA, US
Assignee:
Oracle International Corporation - Redwood Shores CA
International Classification:
G06F 17/30
US Classification:
707 1, 707 6, 707102, 707200, 706 45, 701208
Abstract:
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.