Method for Identifying Close Friend Relationship in Mobile Phone

With the improvement of the current scientific level, the use of mobile phones has become more and more common, and has become an indispensable tool in the lives of many people. Because the rich functions and use of mobile phones are very simple, while facilitating people's lives, it also provides criminals with a very important tool for committing crimes. In the traditional mobile phone forensics system, only some simple sorting or display of the extracted information of the mobile phone is required. To find out the inherent information, it is necessary to conduct artificial research. With the continuous expansion of mobile phone capacity, the burden of handling a large amount of mobile phone information on criminal investigators is growing. This article introduces a method applying basic word2vec and knowledge of statistics to explore the relationship between close friends and owners. It can help criminal investigation personnel to quickly clarify the relationship between the characters and provide some clue for the detection of the case.