CNKI does not include undergraduate papers, but you can find references on it when writing undergraduate papers. There are many search methods as follows
1 Quick search
< p> provides a search method similar to a search engine. Users only need to enter the keywords they are looking for and click "Quick Search" to find relevant documents.2 Standard search
In standard search, the search process is standardized into three steps: first, enter the search control conditions such as time, support fund, document source, author, etc.; second, enter the literature Full text, article title, subject, keywords and other content search conditions; three pairs of search results are grouped and sorted, and the final results are obtained by repeatedly screening and correcting the search formula.
3 Professional retrieval
Use logical operators and keywords to construct retrieval formulas for retrieval, which is used by library and information professionals for novelty checking and information analysis.
4 Citation search
Start by retrieving references and find cited documents based on the citation relationship of the documents. All documents in the citation database have citing or cited relationships with other documents, and citation searches retrieve documents through these relationships.
5 "HowNet node" retrieval
is based on the author, title, keywords, abstract and other characteristic information of the document CNKI node to find important document CNKI nodes and finally find A set of documents related to these CNKI nodes.
6 Author’s published articles search
It searches all the documents published by the author and their citations and downloads through the author’s name, unit and other information. By searching for articles published by an author, you can not only find the literature published by a certain author, but also get a comprehensive understanding of the author's main research fields, research results, etc. by grouping and filtering the results.
7 Scientific Research Fund Search
The scientific research fund search is to search for documents funded by scientific research funds through the names of scientific research funds. By grouping and filtering the search results, you can also get a comprehensive understanding of the scope of scientific research funding disciplines, scientific research theme areas and other information.
8 Sentence retrieval
Sentence retrieval uses two keywords entered by the user to find sentences that contain both of these two words. Since sentences contain a large amount of factual information, retrieving sentences can provide users with answers to fact-related questions.
9 Knowledge meta-retrieval
Knowledge meta-retrieval extracts knowledge meta-information such as academic terms, concepts, numbers, graphics, tables, etc. from the literature database to provide users with relevant knowledge Meta fact retrieval.