Research On Entity Linking Method And Implementation Of Entity Linking System In Information Security Domain

With the arrival of a highly informatized world,computers and networks have become an important part of people's daily lives.The dramatic increase in network information has driven the development of information processing research such as semantic analysis,information retrieval,and entity linking.The correctness of information understanding plays a crucial role in people's access to and processing of information.Entity linking is the process of matching the fuzzy entities in the text to the corresponding exact entities in the knowledge base,which can effectively solve the problem of incorrect information understanding.For ordinary information reader,when there are a large number of vague names in the information being read,wrong judgments can lead to errors in reading,and at the same time,if there are a large number of uncommon proper nouns in the read information,the reading becomes difficult.Entity linking can help readers quickly obtain the exact meaning of names,improve reading efficiency,and improve reading results.Therefore,the entity linking has very important research significance and application value.The main work of this article includes:(1)This paper compares the construction methods of multiple entity linked knowledge bases,and proposes a basic knowledge base construction strategy based on multiple data sources.This strategy uses different data acquisition methods for three types of data sources(Wikipedia data,Baidu Encyclopedia data,and manual data entry)to build a broad coverage knowledge base.(2)This paper proposes a method for generating candidate entities that combines knowledge base matching and word similarity calculation.This method will use the knowledge base matching method to obtain the initial candidate entity set,calculate the word similarity,and filter the initial set to obtain the final set of candidate entities.(3)An entity linking algorithm based on multiple cases is proposed.The algorithm explicitly selects different elimination methods according to whether the entity to be linked is candidate,a method that uses local similarity explicitly for all candidates,and a method that explicitly uses global similarity for some candidates.For all candidates that do not explicitly use the graph model plus global similarity.Experiments show that the entity linking algorithm proposed in this paper is feasible and effective,and can obtain higher accuracy.(4)According to the actual needs of information security issues,using physical link algorithm,design and implement an entity link system based on information security.The system test results show that the entity linking system based on the entity linking algorithm proposed in this paper is feasible and effective.It can be used not only for information security knowledge service but also generally applicable to various knowledge areas.