Internet service

Critical news collection and searching methods are considered. Internet based service of collecting and searching critical news described in the article. Its structural scheme is presented and algorithms of work are described. It provides more functionality by taking into account the location and preferences of the client in the course of the service, faster performance and secure information transmission with secure SSL protocol using. Neural network with teaching is used in the service to provide better correspondence to the customer requirements.

This paper is devoted to CAPTCHA technology. Algorithms of creation and work of captcha are described. The scheme of how captcha works is also included. The means of encoding and ‘complication’ of decoded text are described. The main ways of automatic captcha’s recognition are described. Also, it is given in examples options of CAPTCHA’s tests. The programing means that do not require user’s actions are considered. By the way, pros and cons of testing captcha are analyzed. In addition, the main problems that may occur during developing captcha are analyzed.