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1. (CN103778151) Method and device for identifying characteristic group and search method and device

Office : China
Application Number: 201210407962.X Application Date: 23.10.2012
Publication Number: 103778151 Publication Date: 07.05.2014
Publication Kind : A
IPC:
G06F 17/30
G PHYSICS
06
COMPUTING; CALCULATING; COUNTING
F
ELECTRIC DIGITAL DATA PROCESSING
17
Digital computing or data processing equipment or methods, specially adapted for specific functions
30
Information retrieval; Database structures therefor
Applicants:
Inventors:
Priority Data:
Title: (EN) Method and device for identifying characteristic group and search method and device
(ZH) 一种识别特征群体的方法及装置和搜索方法及装置
Abstract: front page image
(EN) The invention provides a method and device for identifying a characteristic group and a search method and device. The method for identifying the characteristic group comprises the following steps that first objects, second objects and mapping relation data of the first objects and the second objects are extracted from a preset data base; a candidate group comprising the multiple first objects and the second objects is extracted according to the mapping relation data, wherein any one of the first objects and the second objects is associated with one of any other first objects and second objects through one or more first objects and/or second objects. The number of the first objects in the candidate group serves as a first characteristic value, and it is judged whether the candidate group is the characteristic group with reference to the first characteristic value. According to the method for identifying the characteristic group, a website account group registered in a malicious manner can be identified, a buyer is prevented from participating in fictitious trading, and trading safety of online shopping is further improved.
(ZH)

本申请提供了一种识别特征群体的方法及装置和搜索方法及装置。搜索识别特征群体的方法包括:在预置数据库中提取第一对象、第二对象,以及第一对象与第二对象的映射关系数据;依据所述映射关系数据,提取包括多个所述第一对象和第二对象的候选群体,所述候选群体中任意一个第一对象或第二对象,与另一个任意的第一对象或第二对象,均通过一个或多个第一对象和/或第二对象进行关联;将所述候选群体中第一对象的个数作为第一特征值,参考所述第一特征值判断所述候选群体是否为特征群体。本申请可以识别出恶意注册的网站账号群体,避免买家参与到虚假交易,进而提高网络购物的交易安全。