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With the development of Android system and intelligent mobile technology, Android applications have been widely used in recent years. However, the trust on these applications may be used by attackers who design malware to achieve illegal income. Therefore, to evaluate the security risk of applications is necessary. In this paper, an evaluation approach based on association statistics of application...
Analyzing and researching microblog text and microblog context, we propose a Chinese microblog's semantic expansion model based on specific context. Firstly, on the basis of analysis of microblog type, microblogs are classified into six categories: information-publish microblogs, journaling microblogs, sharing microblogs, forwarding microblogs, commentary microblogs and interactive microblogs. For...
Various distance measures have been proposed for time series classification, and several of them have been used to construct Gaussian distance kernels for support vector machine (SVM) - based classification. Considering that different Gaussian distance kernels may carry complementary information for classification, in this paper, we propose a multiple kernel learning (MKL) method to integrate multiple...
Sentence similarity computing based on the “HowNet” usually treats the optimal matches between the primitives or words as the basic computing unit, and the final results can be got through the weighted sum model. However, this approach often results in the information duplication and the irrational construction. For such problems, this paper calculates the similarity of sets through the statistics...
Ontology matching is critical to semantic interaction and knowledge sharing. The purpose of ontology matching is to reuse the ontologies and integrate them in different fields. It is the basement of the other semantic Web application, such as, semantic Web-based service, ontology alignment. Nowadays most ontology mapping approaches integrate multiple individual matchers to explore both linguistic...
Synchronous liver metastasis is one of the leading causes of the mortality in colorectal cancer patients. In this study, predictive models based on AdaBoost and logistic regression for detecting colorectal cancer patients with synchronous liver metastasis before operation were built and compared. Information gain method, genetic algorithm and AdaBoost were used for feature selection. The predictive...
The mobile grid supports mobile user and mobile resource with additional features such as limited energy, unstable network connection, etc. The mobile resource is composed of mobile device and the resource reliability is greatly decreased, which affects the grid scheduling. In this paper, the resource reliability is defined, which is evaluated from task completion time and energy consumption, in order...
The amount of XML documents is increasing rapidly. In order to analyze the information represented in XML documents efficiently, researches on XML document clustering are actively in progress. The key issue is how to devise the similarity measure between XML documents to be used for clustering. Since XML documents have hierarchical structure, it is not appropriate to cluster them by using a general...
Texture is a key component for human visual perception and plays an important role in image-related applications. This paper combines perceptual texture features and Gabor wavelet features for texture image classification. Three new texture features which are proved to be in accordance with human visual perception are introduced. These features include directionality, contrast and coarseness in wavelet...
The better way for Web services discovery is to classify the Web services into different categories when they are published in a registry. The method of intelligent clustering based classification of the Web services is mainly studied. A hybrid solution is proposed for building and populating a taxonomy structure by combining human knowledge with the techniques of artificial intelligence. The Web...
Behavioral analysis refers to the technique of deciding whether an application is malicious or not, according to what it does. With behavioral analysis research on executables evolving, it is difficult to classify malicious applications and some legal applications called dasiagray applicationpsila, which are classified as malicious sample by dasiaweakpsila learners. In theory, boosting can be used...
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