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- 저자 : Qiuli Qin,Xin Peng (검색결과 6 건)
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A Focused Crawler Based on Correlation Analysis
Qiuli Qin,Xin Peng 보안공학연구지원센터 2014 International Journal of Future Generation Communi Vol.7 No.6
With the rapid development of network and information technology, there is a wealth of huge amounts of data on the internet. But it’s a major problem faced by the majority of researchers how to effectively filter out a particular subject or field of information from these data. In this paper, we try to builder a focused crawler based on vector space model and TF-IDF text correlation analysis. We take the seed URL as a collection entrance and fetch web pages from internet. Then analysis page information though technological like web content extraction, page link analysis technology and get the main content of one page. By the correlation analysis method based on VSM and TF-IDF text, we calculation the correlation between pages and the topics what have been defined, so we can achieve the purpose of the focus areas of the web.
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Hua Gu,Lei Huang,Bei Xi,QiuLi Qin 보안공학연구지원센터 2015 International Journal of Grid and Distributed Comp Vol.8 No.4
At present, the distribution of China’s medical resources is uneven. Every day big hospitals are overwhelmed. The problem that it’s difficult and expensive for ordinary people to see doctors is becoming a major social host issue. And major chronic diseases are threatening human health. In order to optimize medical resource allocation and provide more efficient services for patients with major chronic diseases, this paper takes stroke as the entry point and proposes a new medical service pattern. Namely, taking stroke patients as the center, medical association collaborates to prevent and treat them. Because cloud computing is dynamic and scalable and in order to expand to other major diseases and attract more medical associations to join when the medical service pattern is mature, this paper uses cloud computing to support the pattern. And this paper details the new medical service pattern, the framework and the service of cloud platform of medical association collaborating to prevent and treat stroke. The pattern can consider the prevention, treatment, rehabilitation, and other aspects of stroke. And it can achieve the circular medical service pattern which centered on stroke patients and can provide better service for stroke patients.
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Huizhi Guo,Huasheng Huang,Yang Shao,Qiuli Qin,De Liang,Shuncong Zhang,Yongchao Tang 대한척추신경외과학회 2021 Neurospine Vol.18 No.4
Objective: Pulmonary cement embolism (PCE) is an underestimated but potentially fatal complication after cement augmentation. Although the treatment and follow-up of PCE have been reported in the literature, the risk factors for PCE are so far less investigated. This study aims to identify the preoperative and intraoperative risk factors for the development of PCE. Methods: A total of 1,373 patients treated with the polymethylmethacrylate (PMMA) augmentation technique were retrospectively included. Patients with PCE were divided into vertebral augmentation group and screw augmentation group. Possible risk factors were collected as follows: age, sex, bone mineral density, body mass index, diagnosis, comorbidity, surgical procedure, type of screw, augmented level, number of augmented vertebrae, fracture severity, presence of intravertebral cleft, cement volume, marked leakage in the paravertebral venous plexus, and periods of surgery. Binary logistic regression analyses were used to analyze independent risk factors for PCE. Results: PCE was identified in 32 patients, with an incidence rate of 2.33% (32 of 1,373). For patients who had undergone vertebral augmentation, marked leakage in the paravertebral venous plexus (odds ratio [OR], 1.2; 95% confidence interval [CI], 0.1–10.3; p=0.000) and previous surgery (OR, 16.1; 95% CI, 4.2–61.0; p=0.007) were independent risk factors for PCE. Regarding patients who had undergone screw augmentation, the marked leakage in the paravertebral venous plexus (OR, 4.2; 95% CI, 0.5–37.3; p=0.004) was the main risk factor. Conclusion: Marked leakage in the paravertebral venous plexus and previous surgery were significant risk factors related to PCE. Paravertebral leakage and operator experience should be concerned when performing PMMA augmentation.
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Research on the Data Synchronization of Cloud Stroke based on JSON
Hua Gu,LeiHuang,Jing Liu,Qiuli Qin 보안공학연구지원센터 2016 International Journal of Grid and Distributed Comp Vol.9 No.7
Cloud stroke is the cloud platform according to the medical association theory and combing cloud computing technology, build for the hospital systems which are involved in the medical association to sharing and exchange medical information. However, at this stage, there are some problems in the data exchange of the cloud platform: Firstly, every hospital in the medical association needs to configure a front machine and the front machine needs to connect with the cloud platform database directly. So there is a hidden risk for the cloud stroke. Secondly, the data synchronization vector is Excel file, the data reading efficiency is not very well, and at the same time, the front machine memory consumption is relatively very large. This paper, improve the data interactive process of cloud stroke, so that the front machine unneeded to connect with the cloud platform database directly. Then, design data specification and synchronization process based on JSON for cloud stoke information synchronization to compress the expenses, improve the speed and analysis the security of data synchronization.
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