Briefly describe the methods and steps of literature search

Methods and steps of literature retrieval are to clarify the search objectives, select the search tool, determine the search keywords, conduct the search, screening and organizing the literature.

1, clear search objectives:

In literature search before, first of all, to clarify their own search objectives, including the need to find the subject, the time frame, the type of literature, etc.. Only clear objectives, in order to target the selection of appropriate search tools and databases.

2, select the search tool:

According to the different search objectives, you can choose different search tools and databases. Common retrieval tools include search engines, library databases, and specialized websites. When choosing a retrieval tool, you should choose the right one according to your needs in order to find the information you need faster.

3, to determine the search keywords:

To determine the search keywords is a key step in literature retrieval. When choosing keywords, you should try to choose words related to the subject matter, and avoid the use of overly broad or overly specific words. At the same time, the diversity and relevance of the keywords also need to be considered in order to cover as much relevant literature as possible.

4. Conducting the search:

After determining the search tool and keywords, the actual search can be conducted. In the search process, different search strategies and techniques should be used according to the characteristics of different search tools and databases. Keyword search can be used in search engines, advanced search functions can be used in library databases, and so on.

5. Screening and Organizing Literature:

The number of retrieved literature may be very large, so the retrieved literature needs to be screened and organized. It can be screened according to the following factors: the subject of the literature, the author, the time of publication, authority, etc.. In the screening process, a quick glance at the abstract and table of contents can be used to make a preliminary judgment of the literature. Then, the screened literature will be further organized and analyzed according to the actual needs.

The advantages and disadvantages of literature search:

Advantages:

1, the advantages of high efficiency: literature search can quickly and accurately find the required information, compared with the traditional way of accessing the literature, the efficiency is greatly improved.

2, resources **** enjoy: literature search can make full use of the Internet and libraries and other resources to achieve the information **** enjoy, so that people in different regions and at different times are able to access the information they need.

3, information reserve: literature search can cover a large number of documents and information, providing a more comprehensive information reserve.

4, easy to establish a personal file: literature search can be retrieved information to organize and classify, establish a personal file, easy to access and use in the future.

Disadvantages:

1, the quality of information varies: due to differences in the source and quality of the literature, the quality of the retrieved information may be uneven, requiring the user to screen and judge.

2, information overload: as literature search can provide a large amount of information, but not all the information is useful or relevant, so it may lead to information overload.

3. Need for certain skills and knowledge: Literature searching requires users to have a certain degree of information literacy and retrieval skills in order to effectively access the information they need.

4, limited by search tools and databases: literature retrieval requires the use of specific search tools and databases, and these tools and databases may have certain limitations and can not cover all the information.