Applied Mechanics and Materials Vols. 713-715

Abstract: A Chinese web-page classification algorithm based on SVM including the important aspects of text preprocessing, feature selection and multiple-Classification algorithm. In this paper, based on the analyses of features of Web documents, this paper does research the approach of classification in Support Vector Machine (SVM) and select of Kernel function. Furthermore, a web-page classification model and algorithm that is based on Binary Tree SVM is presented. The experiments show that it not only reduces the size of train set, but also has very high training efficiency. Its precision and recall are better.

Abstract: With the development of database technology, there are many problems in the existing management systems of aircrafts’ portable ammunition which use traditional affairs database. The shortcomings of traditional database are analyzed firstly. To deal with these problems, a new ammunition management system based on data warehouse is proposed. The structure of the data warehouse is discussed in detail. The five steps of development and use of data warehouse in ammunition management system are then discussed. Finally, examples of ammunition supply are given.

Abstract: Video server providers invest more and more on the server, for how to provide a stable and low-cost continuous service to users of this problem. In this paper, hybrid architecture in the user how to choose a cloud server in-depth analysis. And how to choose a cloud server for this problem, this paper analyzes the current server selection method, coupled with P2P mode users the ability to upload and server memory on this basis for modeling, then verified through simulation experiments proposed the effectiveness of the method.

Abstract: In this paper, we try to solve the problem of mine safety and real-time scheduling in underground miner, the Monte-Carlo localization methods of the underground location system based on ZigBee wireless sensor network were proposed. This paper designs software application for the nodes in the network, builds the overall structure of the miner location system and constructs the ZigBee wireless network. After testing and simulation, the results indicate that we can locate precisely in the complex terrain and terrible communication environment by the Monte-Carlo Localization algorithm.

Abstract: With the rapid development of electronic commerce, huge transaction data is produced every day. How to store these data effectively and mine knowledge from these data has become the key urgent problem to solve. This paper first introduces the NO_SQL database MongoDB and its advantages. Then we have a compare on writing and reading performance between MogoDB and MySQL when storing XML document. Finally we have a conclusion that MongoDB has higher performance than MySQL by experiment, and No-SQL is a good choice when querying in massive data.

Abstract: Design knowledge acquisition, representation and application are key technologies in computer-aided innovation design. It is an important way to improve the innovation capability and core competitiveness of manufacturing enterprises. The present state of the art of theories and tools of computer-aided product innovation design was presented, some key technologies and problems of the computer-aided product innovation design based on knowledge were summarized and analyzed. It was proposed that the ontology-based knowledge modeling based on design process was the base of computer-aided innovation design, The efficient and precise ontology matching method is seeked to efficiently support updating design knowledge by synthetically considering the concept semantics and concept hierarchy structure, and the knowledge association and concept semantic retrieval and reasoning can be better realized by taking into full consideration of semantic relationships of between design knowledges.

Abstract: With the rapid development of computer and wireless communication technology, multimedia communication on mobile terminals has also been a growing concern of people. Traditional communication mode of the client is too conservative, will produce large errors, strong constraints. To compensate for the shortcomings, a software development model for mobile Internet clients based on embedded video phone is proposed, according to the voice, video and network transmission three areas to improve the stability and precision of the system. Experiments show that the establishment of mobile Internet client model based on embedded video telephony have strong applicability and high accuracy.

Abstract: 3DS MAX has a capacity of producing visual 3D model, VRML is a kind of Virtual Reality Language. The combination of the two can construct virtual scene and realize interaction between user and virtual scene. This paper introduces the method of using VRML combined with 3DS MAX to achieve dynamic interactive virtual scene, Study on several interactive modes in VRML.

Abstract: Closed-loop management is a management idea and quality mode to deal with and prevent quality question. The paper researched Closed-loop quality of aircraft maintenance in Air Force Army Closed-loop work and aircraft maintenance domain, analyzed the question, kinds and means of aircraft maintenance Closed-loop quality. Finally, we give our answer based on reflected question of the Pilot.

Abstract: Based on management theory of the manufacture and execution system (MES), a method of mechanical processing workshop production schedule management was discussed. The concrete planning was realized to manage the workshop production schedule by using the bar code technology. The system can increase product assembly query sub module, query information of one or more parts missing in equipment product.