介绍了一种 Web 挖掘的分类,包括 Web 内容挖掘、Web 结构挖掘和 Web 使用挖掘。讨论了 Web 使用挖掘过程的三个步骤,即数据获取与数据预处理、模式发现和模式分析,详细分析了每一个步骤中所使用的技术。指出了目前 Web 使用挖掘研究存...介绍了一种 Web 挖掘的分类,包括 Web 内容挖掘、Web 结构挖掘和 Web 使用挖掘。讨论了 Web 使用挖掘过程的三个步骤,即数据获取与数据预处理、模式发现和模式分析,详细分析了每一个步骤中所使用的技术。指出了目前 Web 使用挖掘研究存在的不足,给出了 Web 使用挖掘未来的研究方向。展开更多
AIMTo retrospectively evaluate the safety and feasibility of a new modified laparoscopic Sugarbaker repair in patients with parastomal hernias.METHODSA retrospective study was performed to analyze eight patients who u...AIMTo retrospectively evaluate the safety and feasibility of a new modified laparoscopic Sugarbaker repair in patients with parastomal hernias.METHODSA retrospective study was performed to analyze eight patients who underwent parastomal hernia repair between June 2016 and January 2018. All of these patients received modified laparoscopic Sugarbakerhernia repair treatment. This modifed technique included an innovative three-point anchoring and complete su-turing technique to fix the mesh. All procedures were performed by a skilled hernia surgeon. Demographic data and perioperative outcomes were collected to eva-luate the safety and effcacy of this modifed technique.RESULTSOf these eight patients, two had concomitant incisional hernias. All the hernias were repaired by the modifed laparoscopic Sugarbaker technique with no conversion to laparotomy. Three patients had in-situ reconstruc-tion of intestinal stoma. The median mesh size was 300 cm2, and the mean operative time was 205.6 min. The mean postoperative hospitalization time was 10.4 d, with a median pain score of 1 （visual analog scale method） at postoperative day 1. Two patientsdeveloped postoperative complications. One patient had a pocket of effusion surrounding the biologic mesh, and one patient experienced an infection around the reconstructed stoma. Both patients recovered after conservative management. There was no recurrence during the follow-up period （6-22 mo, average 13 mo）.CONCLUSIONThe modifed laparoscopic Sugarbaker repair could fx the mesh reliably with mild postoperative pain and a low recurrence rate. The technique is safe and feasible for parastomal hernias.展开更多
Evaluation and improvement of quality of care provided to the patients are of crucial importance in the daily clinical practice and in the health policy planning and fnancing. Different tools have been developed, incl...Evaluation and improvement of quality of care provided to the patients are of crucial importance in the daily clinical practice and in the health policy planning and fnancing. Different tools have been developed, includ-ing incident analysis, health technology assessment and clinical audit. The clinical audit consist of mea-suring a clinical outcome or a process, against well-defined standards set on the principles of evidence-based medicine in order to identify the changes needed to improve the quality of care. In particular, patients suffering from chronic renal diseases, present many problems that have been set as topics for clinical audit projects, such as hypertension, anaemia and mineral metabolism management. Although the results of these studies have been encouraging, demonstrating the ef-fectiveness of audit, overall the present evidence is not clearly in favour of clinical audit. These findings call attention to the need to further studies to validate this methodology in different operating scenarios. This review examines the principle of clinical audit, focusing on experiences performed in nephrology settings.展开更多
In this paper, the authors present the results of an empirical study that attempts to analyse the risk of bank run in Geneva, Switzerland. Two similar surveys have been conducted upon two independent samples of Geneva...In this paper, the authors present the results of an empirical study that attempts to analyse the risk of bank run in Geneva, Switzerland. Two similar surveys have been conducted upon two independent samples of Geneva population （June 2008 and February 2009） to detect the existence of predictive signals leading to a bank run within the selected area. The authors discover that Geneva inhabitants are generally confident in Swiss banks; the risk of a bank run in the area is low. However, reliance to the national banking system is worsening： The number of people fearing about their savings and those thinking the default of a major Swiss bank as ＂possible＂ has significantly risen. Also, more and more people keep updated about the current financial crisis; overall trust in Swiss banks has slightly decreased.展开更多
To improve the performance and robustness in service discovery, a self-organizing mechanism for service alliances of Service Providers (SPs) is proposed in this paper. According to the similarity of service content, a...To improve the performance and robustness in service discovery, a self-organizing mechanism for service alliances of Service Providers (SPs) is proposed in this paper. According to the similarity of service content, an SP publishes its services in a partition of SPs to construct connections between highly similar SPs. These SPs constitute a self-organized distributed environment. A self-organizing protocol is designed to ensure the correctness of the construction of the alliances. The protocol consists of four stages - initiating stage, developing stage, developed stage and degradation stage. The experimental results demonstrate that this protocol ensures the self-property. The visualization of alliance developing stages illustrates that sub-alliances are sp lit in balance and self-connected. Compared with the Random Walker algorithm, the time cost and the number of forwarded messages in alliance-based mechanism is lower in service discovery. On three typical topologies (Grid, Random-Graph, Power-Law), the success rate of service discovery is much higher, which shows that self-organized alliances are helpful to enhance the discovery performance.展开更多
Real-time Human action classification in complex scenes has applications in various domains such as visual surveillance, video retrieval and human robot interaction. While, the task is challenging due to computation e...Real-time Human action classification in complex scenes has applications in various domains such as visual surveillance, video retrieval and human robot interaction. While, the task is challenging due to computation efficiency, cluttered backgrounds and intro-variability among same type of actions. Spatio-temporal interest point （STIP） based methods have shown promising results to tackle human action classification in complex scenes efficiently. However, the state-of-the-art works typically utilize bag-of-visual words （BoVW） model which only focuses on the word distribution of STIPs and ignore the distinctive character of word structure. In this paper, the distribution of STIPs is organized into a salient directed graph, which reflects salient motions and can be divided into a time salient directed graph and a space salient directed graph, aiming at adding spatio-temporal discriminant to BoVW. Generally speaking, both salient directed graphs are constructed by labeled STIPs in pairs. In detail, the ＂directional co-occurrence＂ property of different labeled pairwise STIPs in same frame is utilized to represent the time saliency, and the space saliency is reflected by the ＂geometric relationships＂ between same labeled pairwise STIPs across different frames. Then, new statistical features namely the Time Salient Pairwise feature （TSP） and the Space Salient Pairwise feature （SSP） are designed to describe two salient directed graphs, respectively. Experiments are carried out with a homogeneous kernel SVM classifier, on four challenging datasets KTH, ADL and UT-Interaction. Final results confirm the complementary of TSP and SSP, and our multi-cue representation TSP ＋ SSP ＋ BoVW can properly describe human actions with large intro-variability in real-time.展开更多
Giving the accurate definition of the core part of Traditional Chinese Medicine(TCM) is another way for the modernization of TCM. Many researchers had launched their original researches on this way and realized that q...Giving the accurate definition of the core part of Traditional Chinese Medicine(TCM) is another way for the modernization of TCM. Many researchers had launched their original researches on this way and realized that qi got some characteristics of energy. In this paper, energy is also thought as having the same characteristics as qi for energy is invisible and filled with cell in different patterns. The movement of qi in cell can be understood as the transformations of the chemical energy. So, cell should be regarded as a device which is organized by biomelocules for the transformation from chemical energy to heat energy.展开更多
The development of kids toothpaste in Chinese market has been introduced, and the common characterisUcs of kids toothpaste in the production and sales have been analyzed. Through the analysis of the characteristics of...The development of kids toothpaste in Chinese market has been introduced, and the common characterisUcs of kids toothpaste in the production and sales have been analyzed. Through the analysis of the characteristics of kids oral care, the special technical requirements of kids toothpaste are elucidated. Finally, suggestions for the future development of kids toothpaste are put forward.展开更多
The paper aims at sorting out the supervision and management system of cosmetics e-commerce industry through investigating the current situation and supervision mode. The problems and diffculties in supervision on e-c...The paper aims at sorting out the supervision and management system of cosmetics e-commerce industry through investigating the current situation and supervision mode. The problems and diffculties in supervision on e-commerce of cosmetics were analyzed through the survey on the staff working in departments of Beijing Food and Drug Administration. Corresponding regulatory policies were put forward.展开更多
For representation based image classification methods, it is very important to well represent the target image. As pixels at same positions of training samples and test samples of an object usually have different inte...For representation based image classification methods, it is very important to well represent the target image. As pixels at same positions of training samples and test samples of an object usually have different intensities, it brings difficulty in correctly classifying the object. In this paper, we proposed a novel method to reduce the effects of this issue for image classification. Our method first produces a new representation （i.e. virtual image） of original image, which can enhance the importance of moderate pixel intensities and reduce the effects of larger or smaller pixel intensities. Then virtual images and corresponding original images are respectively used to represent a test sample and obtain two rep- resentation results. Finally, this method fuses these two results to classify the test sample. The integration of original image and its virtual image is able to improve the accuracy of image classification. The experiments of image classification show that the proposed method can obtain a higher accuracy than the conventional classification methods.展开更多
Traditional Chinese Medicine originated from the application of herbs and other natural materials. Since Tang Dynasty, there are two mainstreams during the development of TCM: folk TCM and classic TCM. Without any sup...Traditional Chinese Medicine originated from the application of herbs and other natural materials. Since Tang Dynasty, there are two mainstreams during the development of TCM: folk TCM and classic TCM. Without any support from the government, folk TCM got fade away. However, during Qing Dynasty, Zhao Xuemin collected a large amount of folk prescriptions which were called zoufang and edited into Chuanya Neibian and Chuanya Waibian. Zhou Xuemin was respected as a celebrated medical scientist of Qing Dynasty due to his great contribution.展开更多
文摘介绍了一种 Web 挖掘的分类,包括 Web 内容挖掘、Web 结构挖掘和 Web 使用挖掘。讨论了 Web 使用挖掘过程的三个步骤,即数据获取与数据预处理、模式发现和模式分析,详细分析了每一个步骤中所使用的技术。指出了目前 Web 使用挖掘研究存在的不足,给出了 Web 使用挖掘未来的研究方向。
文摘AIMTo retrospectively evaluate the safety and feasibility of a new modified laparoscopic Sugarbaker repair in patients with parastomal hernias.METHODSA retrospective study was performed to analyze eight patients who underwent parastomal hernia repair between June 2016 and January 2018. All of these patients received modified laparoscopic Sugarbakerhernia repair treatment. This modifed technique included an innovative three-point anchoring and complete su-turing technique to fix the mesh. All procedures were performed by a skilled hernia surgeon. Demographic data and perioperative outcomes were collected to eva-luate the safety and effcacy of this modifed technique.RESULTSOf these eight patients, two had concomitant incisional hernias. All the hernias were repaired by the modifed laparoscopic Sugarbaker technique with no conversion to laparotomy. Three patients had in-situ reconstruc-tion of intestinal stoma. The median mesh size was 300 cm2, and the mean operative time was 205.6 min. The mean postoperative hospitalization time was 10.4 d, with a median pain score of 1 （visual analog scale method） at postoperative day 1. Two patientsdeveloped postoperative complications. One patient had a pocket of effusion surrounding the biologic mesh, and one patient experienced an infection around the reconstructed stoma. Both patients recovered after conservative management. There was no recurrence during the follow-up period （6-22 mo, average 13 mo）.CONCLUSIONThe modifed laparoscopic Sugarbaker repair could fx the mesh reliably with mild postoperative pain and a low recurrence rate. The technique is safe and feasible for parastomal hernias.
文摘Evaluation and improvement of quality of care provided to the patients are of crucial importance in the daily clinical practice and in the health policy planning and fnancing. Different tools have been developed, includ-ing incident analysis, health technology assessment and clinical audit. The clinical audit consist of mea-suring a clinical outcome or a process, against well-defined standards set on the principles of evidence-based medicine in order to identify the changes needed to improve the quality of care. In particular, patients suffering from chronic renal diseases, present many problems that have been set as topics for clinical audit projects, such as hypertension, anaemia and mineral metabolism management. Although the results of these studies have been encouraging, demonstrating the ef-fectiveness of audit, overall the present evidence is not clearly in favour of clinical audit. These findings call attention to the need to further studies to validate this methodology in different operating scenarios. This review examines the principle of clinical audit, focusing on experiences performed in nephrology settings.
文摘In this paper, the authors present the results of an empirical study that attempts to analyse the risk of bank run in Geneva, Switzerland. Two similar surveys have been conducted upon two independent samples of Geneva population （June 2008 and February 2009） to detect the existence of predictive signals leading to a bank run within the selected area. The authors discover that Geneva inhabitants are generally confident in Swiss banks; the risk of a bank run in the area is low. However, reliance to the national banking system is worsening： The number of people fearing about their savings and those thinking the default of a major Swiss bank as ＂possible＂ has significantly risen. Also, more and more people keep updated about the current financial crisis; overall trust in Swiss banks has slightly decreased.
基金This paper was supported by the Natural Science Foundation of China under Grants No. 61170053, No. 61100205 the Nat- ural Science Foundation of Beijing under Grant No. 4112027 the Natural Science Foundation of Hebei under Grant No. F2009000929. The authors would like to thank the anony- mous reviewers for their helpful comments from which the preparation for this version of the paper has benefited.
文摘To improve the performance and robustness in service discovery, a self-organizing mechanism for service alliances of Service Providers (SPs) is proposed in this paper. According to the similarity of service content, an SP publishes its services in a partition of SPs to construct connections between highly similar SPs. These SPs constitute a self-organized distributed environment. A self-organizing protocol is designed to ensure the correctness of the construction of the alliances. The protocol consists of four stages - initiating stage, developing stage, developed stage and degradation stage. The experimental results demonstrate that this protocol ensures the self-property. The visualization of alliance developing stages illustrates that sub-alliances are sp lit in balance and self-connected. Compared with the Random Walker algorithm, the time cost and the number of forwarded messages in alliance-based mechanism is lower in service discovery. On three typical topologies (Grid, Random-Graph, Power-Law), the success rate of service discovery is much higher, which shows that self-organized alliances are helpful to enhance the discovery performance.
基金This work is supported by the National Natural Science Foundation of China （NSFC, nos. 61340046）, the National High Technology Research and Development Programme of China （863 Programme, no. 2006AA04Z247）, the Scientific and Technical Innovation Commission of Shenzhen Munici-pality （nos. JCYJ20130331144631730）, and the Specialized Research Fund for the Doctoral Programme of Higher Edu- cation （SRFDP, no. 20130001110011）.
文摘Real-time Human action classification in complex scenes has applications in various domains such as visual surveillance, video retrieval and human robot interaction. While, the task is challenging due to computation efficiency, cluttered backgrounds and intro-variability among same type of actions. Spatio-temporal interest point （STIP） based methods have shown promising results to tackle human action classification in complex scenes efficiently. However, the state-of-the-art works typically utilize bag-of-visual words （BoVW） model which only focuses on the word distribution of STIPs and ignore the distinctive character of word structure. In this paper, the distribution of STIPs is organized into a salient directed graph, which reflects salient motions and can be divided into a time salient directed graph and a space salient directed graph, aiming at adding spatio-temporal discriminant to BoVW. Generally speaking, both salient directed graphs are constructed by labeled STIPs in pairs. In detail, the ＂directional co-occurrence＂ property of different labeled pairwise STIPs in same frame is utilized to represent the time saliency, and the space saliency is reflected by the ＂geometric relationships＂ between same labeled pairwise STIPs across different frames. Then, new statistical features namely the Time Salient Pairwise feature （TSP） and the Space Salient Pairwise feature （SSP） are designed to describe two salient directed graphs, respectively. Experiments are carried out with a homogeneous kernel SVM classifier, on four challenging datasets KTH, ADL and UT-Interaction. Final results confirm the complementary of TSP and SSP, and our multi-cue representation TSP ＋ SSP ＋ BoVW can properly describe human actions with large intro-variability in real-time.
基金supported by The National Natural Science Foundation of China(81300302)
文摘Giving the accurate definition of the core part of Traditional Chinese Medicine(TCM) is another way for the modernization of TCM. Many researchers had launched their original researches on this way and realized that qi got some characteristics of energy. In this paper, energy is also thought as having the same characteristics as qi for energy is invisible and filled with cell in different patterns. The movement of qi in cell can be understood as the transformations of the chemical energy. So, cell should be regarded as a device which is organized by biomelocules for the transformation from chemical energy to heat energy.
文摘The development of kids toothpaste in Chinese market has been introduced, and the common characterisUcs of kids toothpaste in the production and sales have been analyzed. Through the analysis of the characteristics of kids oral care, the special technical requirements of kids toothpaste are elucidated. Finally, suggestions for the future development of kids toothpaste are put forward.
文摘The paper aims at sorting out the supervision and management system of cosmetics e-commerce industry through investigating the current situation and supervision mode. The problems and diffculties in supervision on e-commerce of cosmetics were analyzed through the survey on the staff working in departments of Beijing Food and Drug Administration. Corresponding regulatory policies were put forward.
文摘For representation based image classification methods, it is very important to well represent the target image. As pixels at same positions of training samples and test samples of an object usually have different intensities, it brings difficulty in correctly classifying the object. In this paper, we proposed a novel method to reduce the effects of this issue for image classification. Our method first produces a new representation （i.e. virtual image） of original image, which can enhance the importance of moderate pixel intensities and reduce the effects of larger or smaller pixel intensities. Then virtual images and corresponding original images are respectively used to represent a test sample and obtain two rep- resentation results. Finally, this method fuses these two results to classify the test sample. The integration of original image and its virtual image is able to improve the accuracy of image classification. The experiments of image classification show that the proposed method can obtain a higher accuracy than the conventional classification methods.
文摘Traditional Chinese Medicine originated from the application of herbs and other natural materials. Since Tang Dynasty, there are two mainstreams during the development of TCM: folk TCM and classic TCM. Without any support from the government, folk TCM got fade away. However, during Qing Dynasty, Zhao Xuemin collected a large amount of folk prescriptions which were called zoufang and edited into Chuanya Neibian and Chuanya Waibian. Zhou Xuemin was respected as a celebrated medical scientist of Qing Dynasty due to his great contribution.
