Abstract: Using the agricultural environment as the background,propose the improving web crawler design based on the the search engine-based and very important part-the web crawler.It uses theme-related web pages to determine the nature of judgments and screening method selector,and the establishment of the thesaurus of agricultural products.The corresponding results show that the search in the agricultural sector on the relevance of a substantial increase.

Abstract: This paper analyzes the phenomenon of information silos in the enterprise information construction process in China and the advantage of the Web Service technology in application integration to existing application systems.Design of various applications based on WebService enterprise information systems integrates synchronization capabilities of every system information resources and heterogeneous database.

Abstract: According to the wireless sensor network signal propagation characteristics of the RSSI,an indoor node location model is given based on RSSIAlong with the increase of distance,signal attenuation will be less and less obvious,and the location error caused more and more big,this paper gives the interior space additional factor path propagation model,and made the contrast with the shadow of common model,the experimental results show that the model have high accuracy

Abstract: Based on the features of education resources in higher voctional colleges,the system is designed with the technology of Java EE framework.The business layer and presentation layer are accomplished by the integration of Struts and Spring,and data persistence layer by the integration of Spring and Hibernate.The whole interface of the system is designed with the Ajax technology.The application of the SSH framework can simplify the development of the system,and improve the maintainability and expansibility of the system as well.Besides,with the application of the Ajax technology,the efficiency of web pages visited is prompted.

Abstract: The paper describes the characteristics of the PHP in the design of website background.First,from the basic principles of the construction of website background,we compare PHP with ASP,JSP and ASP.NET language,from the open source PHP language,cross-platform,operating efficiency,database connectivity,and security aspects.We have elaborated the advantages of the PHP in the design of wbsite background.We come to the conclusion that PHP becomes the mainstream technology of website.

Abstract: With the development of modern science and technology and economic and social progress,enterprise information construction of the new era of data-driven application systems and procedures more stringent requirments.Database as the company's various information resources,transfer and storage stations,their associated devices and process technology can effectively resist the threat of network systems,to maintain the stability of the entire data,safe operation,has become the current emphasis on staff-related problems.Paper based on the actual situation,the current development of a more mature version of SQL Server 2008 database as the focusof its range in the safety of specific security policies and content of both a more detailed analysis and elaboration,and thus demonstrate a good SQL Server 2008 database on safety aspects of construction to meet the needs of business management data across the network as well as to promote economic and social development played a crucial role and significance.

Abstract: In this paper,we buid Arm-Linux envireonment using the Linux 2.6 as the software platform,S3C2440 microprocessor as the hardware platform.Then,we take CS8900 network device driver as example,analyzing the Linux network driver structure,researching and realizing the working principle and key technologies of Arm-Linux network device,making out several important parts of general network driver structure,which include the device registration,Initializing each device,module unloading,the device methods(open,stop,sending and receiving).In addition,interruption is introduced to explain the process of receiving information.Finally we provide a network interface standard,based on Ethernet.

Abstract: For the increasingly information of the Internet,a new High-speed and Multi-threads Web Crawler(HMWC) was designed and implemented to improve the performance and enhance the versatility in this paper.The web crawler dealt with the web page by using multi-threads and controlled the depth of crawling by mixed method of breadth-first and depth-first.Experimental result show that as a web crawler,HMWC can reduce the average waiting time of web page downloaded and has better performance.

Abstract: The embedded system is one of the important trend of application in the mobile phone,PDA and other handheld information devices.A very friendly graphical user interface(GUI) for embedded systems design is one of the key technologies.The GUI for the development and application of this software has a lot,such as Qt/E,which is one of the most popular software in GUI design.This paper analyzes the Qt/E operating mechanism and characteristics,and detailed in the ARM-based embedded Linux system for transplantation,in the end,used of a simple application to illustrate the Qt/Embedded for embedded GUI development process.

Abstract: The similar image search is a hot topic in current search technology.This pager uses the principle of similar image search and the technical characteristics of the Java language to search the similar images.Firstly,it reduces the original image's size.Then it proceeds the grayscale and binarization to calculate the hash value and produce the image 's fingerprint.Finally it calculates the Hamming distance to realize a simple and quick similar image search model.

Abstract: In wireless sensor network when emergency events monitoring application are involved,for the mountain torrent disaster warning in regime monitoring application,the alarm signal and the ordinary signal should be dealed with diffierently how to guarantee the high real-time of important warning signal,and how to balance alarm signal and ordinary signal transmission quality,there is little research on them.After the analysis of the existing widely applied CSMA/CA protocal in wireless sensor network data link layer,this article proposed a improved-protocol based on weighted fair queue thought.At last,simulation results prove the superiority of improved protocol from average queue time delay and energy consumption.

Abstract: This paper introduces the meaning and the characteristics of cloud computing,and analyzes the teaching situation,And cloud computing technology is introduced into the teaching of college computer basic course and bringsreform about,how to optimize teaching content,improve teaching methods,and realize the sharing of resources and other aspects of the curriculum,it can train students' individual learning and collaborative learning ability,so as to improve the teaching quality.

Abstract: with the social development of transportation industry,logistics has already become an indispensable part of people's lives,nearly twenty years,vehicle routing problem has become the graph theory,applied mathematics,computer application,operations research,network analysis and transportation science and other subjects of common research hotspot.By years of verification,the question is very difficult by the conventional method to answer,the people through the intelligent algorithm to conduct research and analysis.The first,the paper on the vehicle routing problem is described,followed in the problem on the basis of analysis of the multi objective evolutionary algorithm,the vehicle routing problem with mathematical modeling,the actual vehicle routing problem plays a positive role in guiding

Abstract: In order to solve the problem of image retrieval in multimedia database,design a kind of content based image retrieval system model,and gives the model of the specific implementation method,feedback mechanism

Abstract: In missile weapon system defence combat,a situation analysis model is put forward based on the theory of possibility.Possibility measure fighting efficiency、inevitability measure fighting efficiency、credibility measure fighting efficiency of both sides missile system are calculated respectively by rules of the fuzzy Petri nets.Battlefield situation level can be obtained by comparison corresponding measures of both sides,thus it helps fighting personnel make decision.The example shows that the model is effective and feasible.

Abstract: Data structure is an important professional basic course.This course is highly Abstract,rich content and strong theory,make this course very difficult to learn.According to the course characteristics and the actual situation,in this paper,through stimulate students' interest in learning,Abstract and concrete into each other,the combination of theory and practice to improve the teaching effect and students' comprehensive ability after exploration and practice in the process of teaching.

Abstract: The traditional single fan control is unable to realize flexible operation,it is difficult to meet the increasingly diverse needs of people.This paper realizes remote control of fan operational status,the temperature automatic detection and the automatic adjustment of fan speed by using the wireless communication technology,micro-controllers and sensors.After the test of practice,it shows that fan-based single-chip wireless remote control system has good job stability and higher performance;meanwhile,the system is relatively simple and only needs to set the appropriate operating parameters.In general,the micro-controller-based remote wireless fan control system in this paper is low cost,scalable,easy to operate.In this article,the author analyzed and discussed the establishment and design of the micro-controller-based remote wireless fan control system.

Abstract: Data mining is an important technology,which is often used in business intelligence.Enterprises have accumulated large amount of data during the operation process,the information they need are usually hid in data mining.Therefore,how to deal with these data is the purpose of data mining.The essay analyzes the application of data mining in business intelligence,combined with Clementine software to analyze the specific application of association rules and cluster analysis in the supermarket.

Abstract: In this paper,a brief introduction of cloud computing and cloud security is given firstly,and considerations about the architecture of cloud security are discussed.Then,two kinds advanced architectures of cloud security are introduced and key technologies of cloud security are analyzed.

Abstract: The existing IPv6 address allocation method studies for mobile ad hoc network,however the IPv6 address from the configuration protocol is not fully applicable to the wireless sensor,in order to solve the problem of wireless sensor nodes in rapid distribution has a unique,address so this paper proposed a wireless sensor network can be automatically assigned IPv6 address protocol WSNACP this agreement,according to node n number determines a value,and according to the value of state assignment,above this value for agent status and competitive state,other ordinary state.When the proxy node leaves the network,competitors will become the new proxy node,for newly added node is assigned address.The experimental results show that,the algorithm prediction accuracy than traditional algorithm,with additional costs less.

Abstract: From the angle of practical application,this paper comes up with the numeral system conversion taking decimal as center based on the principle of numeral system conversion algorithm.The mainly is the conversion among binary,octal,decimal and hexadecimal.Making use of MFC and this algorithm,the converter among binarye,octal,decimal and hexadecimal is implemented.In this process,the algorithm of acquiring weight is proposed.The algorithm of this paper is logical and it is simple to implement.

Abstract: In this paper,the negative selection algorithm from artificial immune systems is used in rotating machinery fault diagnosis,and a complete fault diagnosis process is build.On the basis of binary coded of Equipment vibration signals in all kinds of pattern space,with combination of negative selection algorithm and dimensionless indicators,it trains for a variety of Non-Dimensional-Parameter immune detectors for integrated diagnosis.Finally the building process of the immune detector is descibed by a set of experimental data processing.

Abstract: Based the electronic medical records,laboratory reports and prescriptions of patients with hypertension,extract the classification rule for hypertension by using the C4.5 decision tree algorithm and dig out the important factor impact on blood pressure of patients with hypertension.For the short of the selecting in property of C4.5 algorithm,we make the introduction of the concept of "relevant degree",generate more reasonable and more effective rules with the new algorithm,and put forward a new method for the analysis and forecast for hypertension.

Abstract: The application of Photoshop software to image analysis is more and more wide,the application capabilities and methods of Photoshop software in the field of image analysis are gone deep into and Spreaded.This paper introduces several basic applications of Photoshop in the light of application principle of Photoshop software to image analysis,and analyzes the Photoshop software application instance.

Abstract: This paper begins with a brief analysis of the current automatic answering system's defects and its importance and designs automated answering system based on Lucene.The system makes a full use of powerful search mechanism of Lucene,designs the professional dictionary for the answering system,and using the most popular dictionary of two hash storage structure.This article also puts forward an optimized maximum matching algorithm of Chinese word segmentation and applies it to the Lucene that makes up for Lcuene's lack of word segmentation.

Abstract: With the advent of the Internet era,all kinds of resources to transfer large quantities depend on the network,causing network congestion is increasingly serious,how to solve the congestion effectively and make full use of cyber source,becomes an urgent problem to solve.This paper focuses on the research of TCP congestion control algorithm in some of the problems.The key to TCP protocol congestion control algorithm strategy were analyzed and compared.

Abstract: Coverage and connectivity are the key research questions in wireless sensor networks.Previous research background is homogeneous wireless sensor networks,which can simplify problem.But along with the depth of the problem,we have to consider covering with heterogeneous node.Firstly,we classify the heterogeneous wireless sensor networks systematically,and put forward heterogeneous node model under the combinition of sense heterogeneity and communications heterogeneity.Secondly,we analyze the coverage calculation under two kinds of heterogeneous nodes.Thirdly,we analyze the simply connectivity and re-connectivity.Finally,we do a lot simulation experiments,and obtain the probability curve between the number of nodes and simply connectivity、re-connectivity.