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Article
Open AccessPersonalized agricultural knowledge services: a framework for privacy-protected user portraits and efficient recommendation
In recent years, the increasing demand for knowledge services and the challenges of information overload have posed significant problems in delivering personalized and efficient agricultural knowledge services...
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Chapter and Conference Paper
Question Answering on Agricultural Knowledge Graph Based on Multi-label Text Classification
Traditional search engines retrieve relevant web pages based on keywords in the entered questions, while sometimes the required information may not be included in these keyword-based retrieved web pages. Compa...
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Article
Magnetic Properties and Magnetocaloric (MC) Effects in the Antiferromagnetic Gd2NiGa3 Compound
The magnetocaloric (MC) properties in various magnetic materials were well determined within last three decades due to its own potential application in the field of the solid-state magnetic refrigeration (MR) ...
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Chapter and Conference Paper
Method of Tomato Leaf Disease Recognition Based on Image and Spectrum
The spectral image is mainly based on spectral reflectance information, and the reflectance value is used as a force input variable to establish the regression and class model of full band or characteristic ba...
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Article
An improved k-angle coverage algorithm for multimedia wireless sensor networks based on two-layer tabu search
The multimedia Internet of Things system is helpful for real-time monitoring and research of vegetable growth status and related environmental variables in the greenhouse. However, dense interleaved growth of ...
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Article
Directional sensor placement in vegetable greenhouse for maximizing target coverage without occlusion
Wireless sensor network (WSN) is the key sensing resource for the internet of things (IoT) in vegetable greenhouse. The coverage control ensures that WSN can obtain enough effective information. However, the c...
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Chapter and Conference Paper
Distributed Anomaly Detection Method in Wireless Sensor Networks Based on Temporal-Spatial QSSVM
In Wireless Sensor Networks (WSNs), abnormal sensing data is easily generated due to factors such as the harsh working environment, sensor faults and external events. In order to enhance the detection rate of ...
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Article
Open AccessEnergy Efficient Chain Based Routing Protocol for Orchard Wireless Sensor Network
Wireless sensor network nodes have limited energy, how to employ limited energy efficiently to realize effective data transmission has become a hot topic. Considering the characteristics of orchard planting in...
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Chapter and Conference Paper
Field Information Recommendation Based on Context-Aware and Collaborative Filtering Algorithm
Personalized recommendation technology is a valid way to solve the problem of “information overload”. In the face the complexity of agricultural field information and problems of farmers’ preference prediction...
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Chapter and Conference Paper
Research on Information Integration Method of Agricultural Products Producing and Managing Based on Knowledge Graph
In order to improve the integration and access efficiency of agricultural information, this paper propose an agricultural information integration framework based on knowledge graph. A knowledge graph of agricu...
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Chapter and Conference Paper
Research and Realization on the Performance Testing Tool of Web Application
The performance guidelines such as the response time and the connection unsuccessful rate are the key factors to determine the quality of a Web application. To calculate these performance guidelines quickly, s...
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Chapter and Conference Paper
The Realization of Pig Intelligent Feeding Equipment and Network Service Platform
Proper feeding of pigs can increase the litter size and improve the disease resistance level. In recent years, intelligent and automatic equipment, which can collect feeding times, feed intake, feed time and g...
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Article
An Energy Efficient Cluster-Head Rotation and Relay Node Selection Scheme for Farmland Heterogeneous Wireless Sensor Networks
A new routing protocol of wireless sensor network is proposed in this paper. Node residual energy, network topology density and the distance to the sink are all under consideration in the cluster-head election...
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Article
Studies on spatial nonlocal optical absorption properties in AlGaAs/GaAs three-step quantum well
To investigate the nonlocal linear intersubband optical absorption properties in AlGaAs/GaAs three-step quantum well (3SQW) nanostructures for a p-polarized states, we deduced the expression of the optical absorp...
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Article
The Propagation Characteristics of Radio Frequency Signals for Wireless Sensor Networks in Large-Scale Farmland
For configuring wireless sensor network and deploying nodes, the propagation characteristics of wireless channel at frequency of 433 MHz and 2.4 GHz are investigated. Through the analysis of the received signa...
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Chapter and Conference Paper
Research on Vegetable Growth Monitoring Platform Based on Facility Agricultural IOT
To monitor the environmental parameters in vegetable greenhouse in real time and reduce the impact of climate disasters on vegetable growth, we develop a technology platform including the environmental data ac...
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Article
Intelligent alerting for fruit-melon lesion image based on momentum deep learning
Sensors and Internet of things (IoT) have been widely used in the digitalized orchards. Traditional disease-pest recognition and early warning systems, which are based on knowledge rule, expose many defects, d...
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Chapter and Conference Paper
Development of the Management System of the National Sustainable Development Experimentation Areas
The management of the national sustainable development experimentation areas is faced with many problems, such as the complex and variable flow, affluent information and high-grade decision analysis. An online...
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Chapter and Conference Paper
The Application of Base State with Amendments Model in Land Survey Data Management
With the launch of the first and second national land surveys, it has obtained the massive historical data of land survey. However, the key condition is how to manage the mass land survey data effectively. In ...
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Chapter
Study of the Three-Dimensional Map about Rural Complicated Scene
At present, construction of a rural scene must rely on professional and technical personnel and professional three-dimensional map** software. Therefore, it needs a great deal time, energy and devotion to co...
