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The Market of Data is an environment where data are reasonably deal with. Some data in the market of data are large and hard to analyze. How to efficiently analyze and organize such large scale data in the market of data is a difficult problem. When using Hadoop to analyze these massive data, if input data of a data mining task are not locally available in a processing node, data have to be migrated...
This paper presents a novel time and voltage based technique for successive approximation register (SAR) analog-to-digital converter (ADC) to improve the conversion speed. By taking advantage of the fact that at low supply voltage there will be a significant difference in comparator decision time for different input voltages, the proposed technique creates multiple auxiliary voltage levels for comparison...
The research and application of semi-fragile digital watermark is being paid more and more attention now, especially for content authentification. We proposes a novel design for image content authentification based on semi-fragile digital watermark using side information, which combines the modern RSA public key encryption technique with communication principle just like spread spectrum technology...
Video event detection is an important research topic in semantic video content analysis and it aims to locate the position where events are happening. A rulebased sports video analysis method is proposed in this paper. It combines structural analysis and semantic tagging to generate the video events positions. Experiments based on real-world sports video verify the effectiveness of the proposed method.
Corresponding to real-world organizational structure, email networks have a natural property: community structure. In this paper, we propose an algorithm to detect the community structure in weighted email networks by deleting all the boundaries. In order to measure how much an edge could be a boundary between two communities, a composite index named mediumness is defined, which is derived from betweenness...
In order to achieve inter-enterprise heterogeneous systems integration in semantic level, an integrating framework for business collaboration was proposed in this paper. In the framework, a method to extract ontologies from XML documents automatically was introduced aimed at providing the foundation for heterogeneous system integration. To solve the semantic conflicts between ontologies, an algorithm...
In order to solve the disadvantage of current ant colony optimization algorithm (ACO) which easily plunged into local optimal in dealing with multi-satellite scheduling problem (MuSSP), a hybrid ant colony optimization algorithm (HACO) is proposed. In this method, the ACO algorithm is served as a global search algorithm. According to the characteristics of the MuSSP, an adaptive memory algorithms...
From the functional design and emotional design of Information visualization, the consistency and experience design objectives of the visualization design of fighter cockpit integrated display are put forward. The specific strategies of achieving the two goals also are expounded. Pointed to the transform from the abstract, non-visual characteristics of the information into a visible, easy-to-understand...
This paper studies how to establish models for predicting financial distress in China's listed companies. We firstly select 26 companies with financial distress and 54 matching companies' panel data as samples, then use panel data model to conduct an empirical study. The research indicates that: (1) The predictability precision is 91.25%, 92.5%, 91.25% and 87.5% for T-1, T-2, T-3 and T-4, respectively,...
MIS flexibility is more and more important. We analyze flexible business process units, study the substance of axiomatic design. Axiomatic design can meet 6 criteria which flexible process units partition should follow. Creatively we propose the method to construct flexible MIS based on axiomatic design. Finally we cite an example of the flexible social insurance MIS to validate this method.
Particle swarm optimization (PSO) is similar to genetic algorithm (GA) but employs different strategies and computational effort. Strategic defense military games require a high degree of coordination among the characters and thus are suitable to test the performance of algorithms. In this paper, we design a scenario of tower defense game and compare the performance of PSO and GA in terms of the damage...
Aiming at the cyclostationary property of most communication signals, two cyclostationary algorithms are analyzed in detail, which are obtained by using the Lagrange multiplier method based on different combinations of optimization objectives and constraints, and a novel adaptive implementation method called forgetting factor method is proposed to improve the anti-jamming capability in weak signal...
The analysis of the vast storehouse of email content accumulated or produced by individual users has received relatively little attention other than for specific tasks such as relationship. Current email analysis in standard client applications consists of keyword based matching techniques for relationship of email files. We have implemented a tool, called the email mining set (EMS) for analyzing...
A rule-based event handling model is proposed in the paper, which has a hierarchical architecture with four layers: resource layer, knowledge layer, business layer and representation layer. This model is aimed at distributed information integrating and service scheduling for event handling through rule in knowledge layer. Detail work on knowledge layer is explored, which includes definition of formal...
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