1. A guide sentence generating method implemented by one or more processors, the guide sentence generating method comprising: receiving speech data corresponding to user speech from an electronic apparatus; analyzing the speech data, determining a category of the speech data from among a plurality of categories, and storing the analyzed speech data in the determined category; determining a usage frequency and a global popularity of each of the plurality of categories, wherein the usage frequency comprises a count of speech data of an individual user and the global popularity comprises a count of speech data of a plurality of users; selecting a category from among the plurality of categories based on the usage frequency and the global popularity; generating a guide sentence corresponding to the selected category; transmitting the guide sentence to the electronic apparatus; and providing the guide sentence to the user in at least one of visual and audio form, so that the user may command the electronic apparatus using the guide sentence.
1. A guide sentence generating method implemented by one or more processors, the guide sentence generating method comprising: receiving speech data corresponding to user speech from an electronic apparatus; analyzing the speech data, determining a category of the speech data from among a plurality of categories, and storing the analyzed speech data in the determined category; determining a usage frequency and a global popularity of each of the plurality of categories, wherein the usage frequency comprises a count of speech data of an individual user and the global popularity comprises a count of speech data of a plurality of users; selecting a category from among the plurality of categories based on the usage frequency and the global popularity; generating a guide sentence corresponding to the selected category; transmitting the guide sentence to the electronic apparatus; and providing the guide sentence to the user in at least one of visual and audio form, so that the user may command the electronic apparatus using the guide sentence. 3. The method of claim 1 , wherein the plurality of categories comprise at least one of a domain category regarding the speech data, a function category of the electronic apparatus that received the speech data, a sentence structure category regarding the speech data, and a keyword category regarding words included in the speech data.