1, the keywords of the paper can be extracted as follows: According to the theme of the paper, a paper has its own discussion content and direction, and sometimes scientific attributes can be summarized as keywords. For example, for a paper related to law, the key word can be "related to law".
2. The selection of keywords in scientific papers can be considered from the following four aspects: finding from the topic; Seek from the abstract; Search from the hierarchical title of the paper; Look for it from the conclusion. Keywords are words or combinations of words with substantial meaning extracted from the conclusion, abstract and title of the paper to express the theme of the article.
3. Extract keywords according to the theme of the paper, that is, what the paper is going to demonstrate and the research direction. This direction is the key. Whether it's your argument, your hypothesis or your final opinion, it can be a key word. Whether the key is suitable.
4. Keywords are generally selected from titles and abstracts. The first two keywords generally define the research field or research object. For example, there are 1 papers on automatic monitoring of infrared alarms in museums. You can choose the first two keywords: "museum, alarm", and the last two keywords generally choose research means and methods.
Is there any free paper duplicate checking software available?
PaperBye paper duplicate checking software standard edition is completely free, and there is no limit to the number of articles per day. There are also functions such as paper error correction, automatic weight reduction, one-click typesetting, and real-time duplicate checking when modifying. In addition, all plagiarized content can be found by combining flagship data with self-built library functions.
Free paper duplicate checking software includes fast paper duplicate checking, paper duplicate checking and PP paper duplicate checking. Quick duplicate checking of papers.
Free duplicate checking software for papers includes HowNet, VIP, Wanfang, paperpass, paperfree, etc. Because there are various paper similarity detection systems in the market, and some personal detection websites provide false paper detection results to students through fraud, the market is chaotic, which must be controlled.
PaperFree is a similarity detection system for Chinese, English and multilingual papers. It has the functions of robot weight reduction and online weight change, which can automatically reduce the similarity rate of articles, detect while modifying in the same interface, and immediately feed back the duplicate checking results, so as to double the user experience and duplicate checking efficiency.
How to screen keywords in papers
1, keywords are generally selected from the title and abstract. The first two keywords generally define the research field or research object. For example, there are 1 papers on automatic monitoring of infrared alarms in museums. You can choose the first two keywords: "museum, alarm", and the last two keywords generally choose research means and methods.
2.(2) Extract keywords according to the theme of the paper. The theme of the paper also means what the paper is going to demonstrate and the direction of research. This direction is the key. Whether it is your argument, hypothesis or final opinion, it can be used as a key word.
3. Keywords include subject words and free words: subject words are words or phrases selected from the main vocabulary of natural language and standardized for indexing or retrieval of documents; Free words are words or phrases that are not standardized, that is, they are not included in the thesaurus.
4. The method of determining the keywords in the paper is as follows: The function of extracting keywords from the title of the paper is to solve practical problems, so it is functional, and keywords are an important basis for others to search. Therefore, the setting of keywords can be extracted from the topics of literary theory, such as the prediction of mechanical development.
5. The titles of scientific papers extracted from the titles of papers contain the main information points of the papers, such as research objects and research methods. Therefore, the selection of keywords should first consider the selection from the title.
How to extract keywords from papers
1, key words are the focus and highlight of the core content of the article. Generally, keywords can be selected from the following two directions. First, it is selected from the content repeatedly emphasized in the title, abstract, titles at all levels and text of the article.
2. Paper keywords are extracted as follows: The number of paper keywords is 3-8, which is located at the lower left of the abstract. In order to meet the requirements of document indexing or retrieval, the selection of keywords has certain standardization. It includes two parts: subject words and free words.
3. The selection of keywords in scientific papers can be considered from the following four aspects: finding from the topic; Seek from the abstract; Search from the hierarchical title of the paper; Look for it from the conclusion. Keywords are words or combinations of words with substantial meaning extracted from the conclusion, abstract and title of the paper to express the theme of the article.
4. Paper keywords should be extracted according to the topic and theme of the paper.