Rapid publication of geographical information EI source journal papers, EI search publication, expedited publication and publication

Methods to quickly publish geographic information professional thesis and graduation thesis in core journals
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Principles and method steps of geographic information retrieval
1. Principle of geographical information retrieval
The principle of geographical information retrieval is to match the searcher's questions with the records in the system. Those who meet the conditions are hit records, and the results are finally output. The main search functions include Boolean logical search, positional logical search, field restriction and truncation search, etc. Boolean logic search consists of logical OR), logical AND () and logical NOT (). The order of operations may be different in different search systems. The use of brackets can adapt to changes. Positional logical retrieval can limit the positions between search terms, which plays an important role in eliminating irrelevant information and improving the accuracy rate. Field-restricted retrieval not only improves accuracy, but also meets many special requirements. Truncation search can improve the recall rate.
2. Methods and steps of geographic information retrieval
In a narrow sense, geographic information retrieval only refers to the search personnel using special search instructions and search terms on the terminal of the geographic information or geographic information retrieval system. and retrieval strategy, which is the process of retrieving the required intelligence information from the database of retrieval system data based on geographical information. Therefore, starting from this definition, it is not difficult to see that manual retrieval of scientific and technological information is the basis of geographic information retrieval. It can be said that without the basic theoretical knowledge of information retrieval and the knowledge and skills of manual retrieval, it is simply impossible to unleash the huge potential and role of geographic information retrieval. The steps for geographic information retrieval are as follows:
. Analyze information form requirements and content requirements. First of all, it is necessary to clarify whether the search is for scientific research project establishment, writing a paper, or for project identification, achievement award submission, etc. This determines the type, language, age range, etc. of the required information. Secondly, clarify the subject content of the search topic, such as analyzing the subject scope, subject concepts and conceptual relationships, etc., in order to select search items.
.Select the geographical information retrieval method. Whether to use online search, CD-ROM database search, or R online search. According to the professional scope, the information type, time range, search methods provided by the system, search costs, etc. are considered together.
.Select geographic information retrieval items. First, select controlled words that have been standardized, such as the middle descriptor (), which has a clear relationship between words and is both specific and comprehensive. To select controlled words, refer to the thesaurus of the database to be inspected. Free words are natural language words taken directly from titles, abstracts, etc. Due to the development of science and technology and the adjustment of disciplines, the subject content of controlled words lags behind, and there are problems such as indexing errors and limited quantities of controlled words. Therefore, when the topic is very specialized or special, involves cutting-edge science and new vocabulary, involves cross-disciplinary or multi-disciplinary subjects, and there are no appropriate controlled words, you should consider using free word search.
.Determine the logical search formula. Determining the logical search terms means selecting the search terms, rationally using truncation characters, selecting appropriate positional logic operators, Boolean logic operators, and field limiters to accurately express information needs. Here are two aspects worth noting. First, we should be fully aware that the concepts expressed by some search terms have a relationship between the whole and parts. Second, when there are many search concepts, the search can be carried out step by step. Search for the most core and most specific concepts first. If the amount of information detected is very small, no restrictions on other concepts can be added. If the amount of information detected is too large, other concepts can be gradually added, which can save retrieval time.
.Adjustment of geographical information retrieval strategy. When the search results are not satisfactory, the search strategy should be adjusted. The adjustment of the retrieval formula can be carried out from two aspects: improving the detection rate and the accuracy rate. For search terms with many missed searches, it is necessary to select synonyms, combine synonyms and related words with logical OR), remove less important search terms, conduct truncation searches, increase search methods, and relax certain restrictions by canceling methods. Improve detection rate. For search terms with many false positives, it is necessary to improve the specificity of the search terms, use logical NOT () to remove irrelevant information, use logical AND () to combine some related concepts that further limit the subject concept, add limiters or use stricter Limiters and other means can be used to improve detection accuracy.
Advantages of retrieval operations: short operation time, fast recruitment, and fast publication. Once reviewed, it will be quickly accepted, quickly published, and the fastest search
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