Keyword classification is the basis for conversions and long-term visibility in the search engines. For example, for search engine promotion of a site, the content placed on it must be optimized for certain keywords corresponding to a particular search query. Types of requests (as they are separated by search engines):
Commercial (transactional). The purpose of the request is to commit an action ("transaction"). Word-markers: buy, download, order.
Informational. The purpose of these queries is to obtain up-to-date information.
Navigational. Directed on the search for a particular site (representation).
Information Management System (IMS) is a general term for any software that is used to optimize the storage, organization and retrieval of information. The IMS database component stores the data using a hierarchical model. In IMS, a hierarchical model is implemented using data blocks known as segments. Each segment can contain several pieces of data, which are called areas. For example, in the database client, there is a root segment (or a segment at the top of the hierarchy) with areas such as phone, name and age. Younger segments can be added under other segments, for example, one order segment in each customer segment, representing each order that was placed by the company. Similarly, each segment can have many lower segments for each position in the order.
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