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Study of learner-oriented mobile learning (m-learning) instructions based on classification of student m-learning strategies has aroused much attention over the last decade. Due to the multivariate nature of students' learning strategies, traditional classification methods often fail to produce reliable classification results. In this paper, a new classification method based on Principal Component...
The performance evaluation of supply chains is the key of effective supply chain management, which is not only helpful to describe and analyze the historical performance and status, but also can be used to set performance targets and determine the future focus. The paper, according to the shortcomings of existing fuzzy comprehensive evaluation models, eliminated the redundant data in index membership...
The respective operation performance of node enterprises and the coordination performance between them commonly constitutes the internal performance of the supply chain. The custom satisfaction degree, which depends on the products and service provided by the supply chain system to the ultimate customers, determines the external performance. The existing studies on performance evaluation of supply...
Based on the characteristics of schooling and students of the independent institutes and the characteristics of the courses of the economics and management majors, cultivating the practical capacities of the students has always been an important topic to teach the students of these major of the institutes. Most of the practice teaching methods of the economics and management majors are adopted from...
Agriculture is the basic industry of the national economy, and agriculture is a so important industry especially for China. Therefore, the healthy development of agriculture and rural economy affects the overall situation of our national economy. It has important practical significance to study modern logistics system in rural areas. The core of fuzzy comprehensive evaluation on modern rural logistics...
The core of fuzzy comprehensive evaluation is membership degree transformation. But the existing transformation methods should be questioned, because redundant data in index membership degree is also used to compute object membership degree, which is not useful for object classification. The paper applied an improved algorithm for membership degree transformation in fuzzy evaluation on urban green...
Agriculture is the basic industry of the national economy, and agriculture is a so important industry especially for China. Therefore, the healthy development of agriculture and rural economy affects the overall situation of our national economy. It has important practical significance to study modern logistics system in rural areas. The core of fuzzy comprehensive evaluation on modern rural logistics...
Completion time estimation for workflow instances is an important basis for real time workflow management and scheduling. Current researches on this topic omitted the fact that: instances of workflow that contains OR-SPLIT are certain to bypass some activities, thus at a particular time point, estimation of completion time for workflow instances should be based merely on activities that were already...
Software maintainability means the ease with which a software system or component can be modified to correct faults, improve performance or other attributes, or adapt to a changed environment. For different software maintenance organizations or personnel, there are different concerns on software maintainability. If any one of the factors affecting the maintainability has not been completely resolved,...
In workflow systems, time performance of workflow instances is key to business management and scheduling. Firstly, the concept of active transition was proposed and its performance equivalent model was analyzed under resources-limited circumstances. Then, the concept of active pattern was proposed and time performances of four basic active patterns were deduced. Finally, an example was given to demonstrate...
Performance of workflow schema including overlapping patterns can not be computed by regular reducing approaches, and that excluding overlapping patterns from workflow schema will lose flexibility in schema design, introduce redundant nodes, and make it difficult to describe complex business process. To solve this problem, the concept of generalized well-formed workflow was proposed, in which overlapping...
In the evaluation process of digital libraries, there are many aspects needing to consider, with a lot of uncertainty and ambiguity, so it is reasonable and scientific to apply fuzzy comprehensive evaluation method for digital library fuzzy evaluation. The core of fuzzy evaluation is membership degree transformation. But the existing transformation methods should be questioned, because redundant data...
The diversification and intelligent of hackerspsila attacks makes it hard for single intrusion detection measure to attain favorable detection result. Therefore, it becomes one of the new hot spots in current research that how to combine multiple security measures to provide the network system more effective protection. A new computer information security protection system based on data fusion theory...
Tourism e-commerce system still has many urgent problems that should be solved in China, in order to achieve its advantages of information, intelligence and others; the paper introduces the intelligent agent technology, and we build the MAS model based on this technology. It can collect various kinds of information initiatively and intelligently, according to the demands and interests of the customers,...
Recently we proposed intelligent information retrieval prototype system based on assigning context of documents. Our idea is that this system has better retrieval effectiveness than the traditional key-word systems. In this intelligent agent paradigm system, each document is assigned context based on the type of information. This paper offers a new methodology for assigning context of documents in...
The rapid growth of the World-Wide Web poses unprecedented scaling challenges for general-purpose crawlers and search engines. Crawling the Web quickly and entirely is an expensive, unrealistic goal because of the required hardware and network resources. A focused crawler is an agent that targets a particular topic and visits and gathers only a relevant, narrow Web segment while trying not to waste...
3D-TV is well expected as next advancement in television. The conversion technique of two-dimensional (2D) images to 3D images is an effective way to alleviate the shortage of 3D contents. The most important and difficult problem in 2D-to-3D conversion is how to generate or estimate depth information using only a single-view image. In this paper, a new approach to estimate depth map from monocular...
Product design case databases contain a lot potential knowledge, which can tell us the relations among parameters and some interesting experience patterns. While designing product, it is supposed to support the designers to make decisions better. Therefore many researchers are trying to find an effective approach to discover the unknown knowledge. In this paper, we presented several algorithms which...
Recommendation is an application of Web mining. However, most of the current recommendation mechanisms need to generate all association rules before recommendations. This takes lots of time and canpsilat provide real-time recommendations for online users. In this paper, we propose a novel algorithm, called user access pattern mining (UAP-miner), to provide real-time recommendations based user access...
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