1, knowledge: zh zh ch Shi① The achievements of human cognition come from social practice. Its primary form is empirical knowledge, and its advanced form is system science theory. According to its acquisition method, it can be divided into direct knowledge and indirect knowledge. According to its content, it can be divided into natural science knowledge, social science knowledge and thinking science knowledge. Philosophical knowledge is the generalization and summary of knowledge of nature, social knowledge and thinking knowledge. The whole knowledge is accumulated and developed in the social practice of generations. Friend: The court minister is knowledgeable. 2. Record books with historical significance or research value. 3. Information retrieval: search the information needed for consultation from the stored information base. Information retrieval is a broad understanding, including literature retrieval, data retrieval and other information retrieval; In a narrow sense, it refers to the process of searching and providing information by computer. Computer retrieval consists of five elements: hardware (computer system and communication network), software (system software and application software), information base, system administrator and information user. Logo: biāo shí is the same as' logo'. ① Signs indicating characteristics: There are various forms on the picture ~◇ This work has become more and more mature in the hands of the author ~ ② It shows some characteristics: the completion and commissioning of the production line has raised the production capacity of the factory to a new level. It is also used as a sign. There are still 1 pieces that can't be found for the time being. 5.
Some Noun Explanations of Literature Retrieval
1, knowledge:
sundial
(1) Achievements of human cognition. From social practice. Its primary form is empirical knowledge, and its advanced form is system science theory. According to the way of acquiring knowledge, it can be divided into direct knowledge and indirect knowledge. According to its content, it can be divided into natural science knowledge, social science knowledge and thinking science knowledge. Philosophical knowledge is the generalization and summary of knowledge about nature, society and thinking. The totality of knowledge is constantly accumulated and developed in the continuation of social practice handed down from generation to generation. (2) Related to academic culture: intellectuals | intellectuals. 3 acquaintances; Friend: The court ministers are very knowledgeable.
2 documents of historical significance or research value.
3. Information retrieval: search the information needed for consultation from the stored information base. Information retrieval is a broad understanding, including literature retrieval, data retrieval and other information retrieval. In a narrow sense, it refers to the process of searching and providing information through electronic computers. Electronic computer retrieval consists of five elements: hardware (computer system and communication network), software (system software and application software), information base, system manager and information user.
4. Logo:
Biosi
Same as logo. ① Symbols indicating characteristics: There are various forms on the picture ~◇ This work is the author's increasingly mature creation ~. (2) show a certain feature: the completion and commissioning of this production line means that the production capacity of this factory has improved to a new level. ‖ Also marked.
And 1 can't be found for the time being, and we are still working hard.
5、
Noun interpretation of the original text in literature retrieval
1, knowledge:
sundial
(1) Achievements of human cognition. From social practice. Its primary form is empirical knowledge, and its advanced form is system science theory. According to the way of acquiring knowledge, it can be divided into direct knowledge and indirect knowledge. According to its content, it can be divided into natural science knowledge, social science knowledge and thinking science knowledge. Philosophical knowledge is the generalization and summary of knowledge about nature, society and thinking. The totality of knowledge is constantly accumulated and developed in the continuation of social practice handed down from generation to generation. (2) Related to academic culture: intellectuals | intellectuals. 3 acquaintances; Friend: The court ministers are very knowledgeable.
2 documents of historical significance or research value.
3. Information retrieval: search the information needed for consultation from the stored information base. Information retrieval is a broad understanding, including literature retrieval, data retrieval and other information retrieval. In a narrow sense, it refers to the process of searching and providing information through electronic computers. Electronic computer retrieval consists of five elements: hardware (computer system and communication network), software (system software and application software), information base, system manager and information user.
4. Logo:
Biosi
Same as logo. ① Symbols indicating characteristics: There are various forms on the picture ~◇ This work is the author's increasingly mature creation ~. (2) show a certain feature: the completion and commissioning of this production line means that the production capacity of this factory has improved to a new level. ‖ Also marked.
And 1 can't be found for the time being, and we are still working hard.
5、
Interpretation of Nouns in Literature Information Retrieval
1, information retrieval strategy
The so-called retrieval strategy is the plan or scheme to achieve the retrieval goal, and it is the planning and guidance for the whole retrieval process. In other words, it is the arrangement of information retrieval process. Information retrieval includes manual retrieval and computer retrieval, and there are two corresponding retrieval strategies, namely manual retrieval strategy and computer retrieval strategy.
2. Search engines
Search engine is a search tool to help Internet users query information. It collects and discovers the information on the Internet with certain strategies, understands, extracts, organizes and processes the information, and provides retrieval services for users, thus playing the role of information navigation.
3. Information retrieval
Information retrieval refers to the whole process of finding out the needed information from numerous information. Information retrieval in a broad sense includes two aspects: one is to organize and store information in a certain way; The second is to find out relevant information according to the needs of users. The full name of information retrieval is information storage and retrieval. Only through the orderly storage of information can retrieval be provided.
Step 4 Reverse the document
Reverse document is a file organization form derived from sequential document. It is a document consisting of a field value with a specific attribute and a record access number with the field value. Because it does not look for attributes by recording access numbers, it looks for related records by a certain attribute, so it is called reverse document.
Explanation of some terms in chemical information retrieval?
Technical archives refer to technical documents, drawings, charts, photos and original records with specific things formed in scientific research and production activities. The detailed contents include task book, agreement, technical indicators, approval documents, research plan, program outline, technical measures, research materials, design data, test and process records, etc. These materials are important documents used to accumulate experience and draw lessons from dystocia in scientific research. Technical files are generally used internally, not publicly published and distributed, and some are confidential, and are rarely cited in references and retrieval tools because of the madness of children.
A table of contents is a table of contents contained in front of the text of a book, and it is a tool for revealing and reporting books. Catalogue is a tool to record book titles, authors, publications and collections, arranged in a certain order to reflect the library model and guide reading and retrieval of books. At the same time, in computer applications, the development directory has become a "folder".
retrieval language
Information retrieval language is an artificial language created according to the needs of information retrieval. Retrieval language is a controlled language, which standardizes natural language according to certain rules and compiles it into tables for information indexing and retrieval.
One of the methods of backtracking documents. Tracing back to the original text one by one with the reference attached to a certain document as a clue; Then, according to these references after the original text, the clue tracking is gradually carried out, and the acquisition method of relevant documents is obtained. Using retrospective method to find literature, we can use various citation indexes as tools, or we can use summary and summary of the references behind the article. Generally, in the absence of suitable retrieval tools or incomplete retrieval tools, some related documents can be obtained by retrospective method.
Literature information resources are knowledge and information resources recorded on various carriers in the form of words, graphics, symbols and audio-visual images. Including: books, series of publications (periodicals, newspapers, etc. ), brochures, papers, patents, standards, meeting minutes, * * publications, etc. It records countless useful facts, data, theories, methods, assumptions, experiences and lessons, and is a basic tool for human beings to communicate across time and space, understand and transform the world. After processing, this kind of information is more systematic, accurate, reliable and easy to save and use, but there are also cases where the information is relatively lagging behind and some information has yet to be confirmed. Generally speaking, this kind of information is the largest and most used information resource at present. According to various standards, various types of documents can be classified. According to the processing situation, there can be first-class documents, second-class documents and third-class documents; According to the carrier form, there can be written documents, printed documents, microfilms, audio-visual documents, machine-readable documents and so on. According to the subject scope of the content, there are social science documents, scientific and technological documents and so on. A particular document may have the characteristics of two or more types of documents. For example, Journal of Nanjing University (Social Science Edition) is not only a periodical, but also a first-class document, printed document and social science document. The National Standard Document Types and Document Carrier Codes (GB3469-83) classifies documents into 26 categories according to practical standards, namely: monographs, newspapers, periodicals, conference proceedings, compilations, dissertations, scientific reports, technical standards, patent documents, product samples, Chinese translations, manuscripts, reference tools, retrieval tools, files, charts, ancient books and so on.
In order to make the retrieval process, that is, document recognition and information query, go smoothly, both of them need to be expressed in some language. Only with the help of this language can document indexers and retrieval personnel have a common agreement and communicate with each other. That is to say, the internal and external features of documents are described in a certain language when they are stored, and information questions are expressed in a certain language when they are retrieved. This kind of language is called retrieval language, which links the storage and retrieval of documents, and links indexers and retrieval personnel to achieve mutual understanding and communication.
Internet is a collection of global information resources. There is a rough saying that INTER is a logical network that is interconnected by many small networks (subnets), and each subnet connects several computers (hosts). The purpose of Inter is to exchange information resources with each other through many routers and public Internet based on some common protocols. It is an information resource and resource.
Ask the landlord to send high marks, hehe!