|
|
|
题名
|
作者
|
年代
|
出处
|
被引量
|
| 1 | Inhibitory effect of IGF-Ⅱ antisense RNA on malignant phenotype of hepatocellular carcinoma显示文摘INIRODUCTIONAccording to the therapeutic effect and strategy ofantisense RNA for hepatoccllular carcinoma(HCC),we have specifically synthesized partialcDNA of human insulin-like growth factor Ⅱ(IGF-Ⅱ)and constructed IGF-Ⅱ cDNA antisenseeukaryotic expression vector.The constructedvector was introduced into hepatoma cell lineSMMC-7721 to block the intrinsic IGF-Ⅱexpression.The biological behavior changes ofhepatoma cells were observed.All these | Dong Hua Yang Ming Qing Zhang Jiang Du Chong Xu Oiao Ming Liang Ji Fang Mao Han Rong Qin Zi Rong Fan Department of Gastroenterology,Zhujiang Hospital,the First Military Medical University,Guangzhou 510282,China Laboratory of Molecular Biology,Zhujiang Hospital,the First Military Medical University,Guangzhou,China Departrnent of Biochemistry,the Second Military Medical University,Shanghai,China | 2000 | World Journal of Gastroenterology2000，6，2： | 54 |
| 2 | Laparoscopy-assisted D2 radical distal gastrectomy for advanced gastric cancer: initial experience显示文摘背景帮助 Laparoscopy 的激进的 gastrectomy 为治疗早胃的癌症正在获得接受。然而,在开的远侧的 gastrectomy (ODG ) 是还可得到的以后,有关为比较结果的先进胃的癌症或数据的帮助 laparoscopy 的 D2 激进的远侧的 gastrectomy (LADG ) 的有效性的很少报告获得了。这研究的目的是评估方法,可行性和先进胃的癌症的 LADG 的临床的结果。回顾的研究被执行为先进胃的癌症比较 LADG 和 ODG 的方法。经历了 LADG 的 78 个病人与以在那里的病理学的调查结果,起作用的结果,和 complications.Results 经历了 ODG 的 90 个病人相比不是变换在 LADG 组和任何病人的没有手术后的死亡打开外科。在起作用的时间 LADG 和 ODG | DU Xiao-hui LI Rong CHEN Lin SHEN Di LI Song-yan GUO Qiang | 2009 | Chinese Medical Journal2009，，12： | 37 |
| 3 | Sleep and Cognitive Abnormalities in Acute Minor Thalamic Infarction显示文摘In order to characterize sleep and the cognitive patterns in patients with acute minor thalamic infarction(AMTI), we enrolled 27 patients with AMTI and 12 matched healthy individuals. Questionnaires about sleep and cognition as well as polysomnography(PSG) were performed on days 14 and 90 post-stroke. Compared to healthy controls, in patients with AMTI, hyposomnia was more prevalent; sleep architecture was disrupted as indicated by decreased sleep efficiency, increased sleep latency, and decreased non-rapid eye movement sleep stages 2 and 3;more sleep-related breathing disorders occurred; and cognitive functions were worse, especially memory. While sleep apnea and long-delay memory recovered to a large extent in the patients, other sleep and cognitive function deficit often persisted. Patients with AMTI are at an increased risk for hyposomnia, sleep structure disturbance,sleep apnea, and memory deficits. Although these abnormalities improved over time, the slow and incomplete improvement suggest that early management should be considered in these patients. | Wei Wu Linyang Cui Ying Fu Qianqian Tian Lei Liu Xuan Zhang Ning Du Ying Chen Zhijun Qiu Yijun Song Fu-Dong Shi Rong Xue | 2016 | Neuroscience Bulletin2016，32，4： | 28 |
| 4 | Salvianolic acid A attenuates ischemia reperfusion induced rat brain damage by protecting the blood brain barrier through MMP-9 inhibition and anti-inflammation显示文摘Salvianolic acid A(SAA) is a water-soluble component from the root of Salvia Miltiorrhiza Bge, a traditional Chinese medicine, which has been used for the treatment of cerebrovascular diseases for centuries. The present study aimed to determine the brain protective effects of SAA against cerebral ischemia reperfusion injury in rats, and to figure out whether SAA could protect the blood brain barrier(BBB) through matrix metallopeptidase 9(MMP-9) inhibition. A focal cerebral ischemia reperfusion model was induced by middle cerebral artery occlusion(MCAO) for 1.5-h followed by 24-h reperfusion. SAA was administered intravenously at doses of 5, 10, and 20 mg?kg–1. SAA significantly reduced the infarct volumes and neurological deficit scores. Immunohistochemical analyses showed that SAA treatments could also improve the morphology of neurons in hippocampus CA1 and CA3 regions and increase the number of neurons. Western blotting analyses showed that SAA downregulated the levels of MMP-9 and upregulated the levels of tissue inhibitor of metalloproteinase 1(TIMP-1) to attenuate BBB injury. SAA treatment significantly prevented MMP-9-induced degradation of ZO-1, claudin-5 and occludin proteins. SAA also prevented cerebral NF-κB p65 activation and reduced inflammation response. Our results suggested that SAA could be a promising agent to attenuate cerebral ischemia reperfusion injury through MMP-9 inhibition and anti-inflammation activities. | ZHANG Wen SONG Jun-Ke ZHANG Xue ZHOU Qi-Meng HE Guo-Rong XU Xiao-Na Yan Rong ZHOU Wen-Xia DU Guan-Hua | 2018 | Chinese Journal of Natural Medicines2018，16，3： | 25 |
| 5 | Expenditure and financial burden for the diagnosis and treatment of colorectal cancer in China:a hospital.based,multicenter,cross-sectional survey显示文摘Background: The increasing prevalence of colorectal cancer(CRC) in China and the paucity of information about relevant expenditure highlight the necessity of better understanding the financial burden and effect of CRC diagnosis and treatment. We performed a survey to quantify the direct medical and non-medical expenditure as well as the resulting financial burden of CRC patients in China.Methods: We conducted a multicenter, cross-sectional survey in 37 tertiary hospitals in 13 provinces across China between 2012 and 2014. Each enrolled patient was interviewed using a structured questionnaire. All expenditure data were inflated to the 2014 Chinese Yuan(CNY; 1 CNY = 0.163 USD). We quantified the overall expenditure and financial burden and by subgroup(hospital type, age at diagnosis, sex, education, occupation, insurance type, household income, clinical stage, pathologic type, and therapeutic regimen). We then performed generalized linear modeling to determine the factors associated with overall expenditure.Results: A total of 2356 patients with a mean age of 57.4 years were included, 57.1 % of whom were men; 13.9% of patients had stage I cancer; and the average previous-year household income was 54,525 CNY.The overall average direct expenditure per patient was estimated to be 67,408 CNY, and the expenditures for stage Ⅰ, Ⅱ, Ⅲ, and Ⅳ disease were 56,099 CNY, 59,952 CNY, 67,292 CNY, and 82,729 CNY, respectively. Non-medical expenditure accounted for 8.3%of the overall expenditure. The 1-year out-of-pocket expenditure of a newly diagnosed patient was 32,649 CNY, which accounted for 59.9% of their previous-year household income and caused 75.0% of families to suffer an unmanageable financial burden. Univariate analysis showed that financial burden and overall expenditure differed in almost all subgroups(P < 0.05), except for sex. Multivariate analysis showed that patients who were treated in specialized hospitals and those who were diagnosed with adenocarcinoma or diagnosed at a later stage were likely to spend more,whereas those with a lower household income and those who underwent surgery spent less(all P < 0.05).Conclusions: For patients in China, direct expenditure for the diagnosis and treatment of CRC seemed catastrophic,and non-medical expenditure was non-ignorable. The financial burden varied among subgroups, especially among patients with different clinical stages of disease, which suggests that, in China, CRC screening might be cost-effective. | Hui-Yao Huang Ju-Fang Shi Lan-Wei Guo Ya-Na Bai Xian-Zhen Liao Guo-iangLiu A-Yan Mao Jian-Song Ren Xiao-Jie Sun Xin-Yu Zhu Le Wang Bing-Bing Song Ling-Bin Du Lin Zhu Ji-Yong Gong Qi Zhou Yu-Qin Liu Rong Cao Ling Mai Li Lan Xiao-Hua Sun Ying Ren Jin-Yi Zhou Yuan-Zheng Wang Xiao Qi Pei-An Lou Dian Shi Ni Li Kai Zhang Jie He Min Dai | 2017 | Chinese Journal of Cancer2017，36，8： | 25 |
| 6 | A precise velocity field of tectonic deformation in China as inferred from intensive GPS observations显示文摘Active tectonics, e.g., faulting, folding, and rifting are clearly manifested over the vast territory of China. The in-tensive crustal deformation with long-lived structures has given rise to numerous highly-elevated mountains in the western China with the Yangtze and Yellow rivers downstreaming to the east, | LI Qiang YOU XinZhao YANG ShaoMin DU RuiLin QIAO XueJun ZOU Rong WANG Qi | 2012 | Science China Earth Sciences2012，55，5： | 23 |
| 7 | Elevation of serum apelin-13 associated with proliferative diabetic retinopathy in type 2 diabetic patients显示文摘AIM: To compare apelin-13, a ligand of G-proteincoupled receptor which has been shown to be involved in retinal angiogenesis, and vascular endothelial growth factor(VEGF) serum levels in type 2 diabetes mellitus(T2DM) with or without retinopathy, and to investigate the relationship between the serum concentration of apelin-13 and diabetes retinopathy.METHODS: Sixty-nine patients with T2 DM were enrolled.Of the 69 patients, 16 had proliferative diabetic retinopathy(PDR group), 23 had non-PDR(NPDR group)and 30 had no retinopathy(T2DM group). Subjects' information, including demographics, medical history,and use of medications were recorded. Their serum samples were collected for measuring the levels of C-reactive protein(CRP), serum lipid and glycosylated hemoglobin. Apelin-13 and VEGF serum levels were measured by enzyme-linked immunosorbent assay.Kruskal-Wallis test and one-way ANOVA were used to compare the differences among these groups. Chi-square test was used to assess categorical variables.Correlations between variables were investigated by Spearman rho correlation test and stepwise regression analysis. All statistical analyses were performed through SPSS 17.0 software.RESULTS: Sex, age, body mass index(BMI), blood pressure, CRP, hemoglobin A1c(Hb A1c) have no significantly difference in the three groups. Serum level of apelin-13 was significantly elevated in PDR group as compared with T2 DM group(P =0.041). Differences of VEGF serum concentration in the three groups were statistically significant(P =0.007, P =0.007 and P <0.001,respectively). Spearman rho correlation test showed that serum apelin-13 was positively correlated with BMI,serum triglycerides, VEGF, but not with age, duration of diabetes, blood pressure, CRP, Hb A1 c and total-cholesterol. Stepwise regression analysis showed that BMI also significantly associated with serum apelin-13(P =0.002), while VEGF and serum triglycerides were irrelevant. CONCLUSION: This study elucidated a positive association of apelin-13 serum level with PDR, but not with VEGF. Apelin-13 may influence the promotion of PDR but unrelated with VEGF. | Jun-Hui Du Xia Li Rong Li Lin Xu Ran-Ran Ma Song-Fang Liu Zhong Zhang Hong-Zhi Sun | 2014 | International Journal of Ophthalmology(English edition)2014，7，6： | 21 |
| 8 | Preliminary molecular epidemiology of the Staphylococcus aureus in lower respiratory tract infections: a multicenter study in China显示文摘 | LI De-zhi CHEN Yu-sheng YANG Jing-ping ZHANG Wei HU Cheng-ping LI Jia-shu MU Lan HU Ying-hui GENG Rong HU Ke CAI Shao-xi WAN Huan-ying WANG Qiu-yue WEI Li-ping DU Juan YU Qin ZHONG Xiao-ning WANG Rui-qin MA Jian-jun TIAN Gui-zhen WANG Si-qin GAO Zhan-cheng | 2011 | Chinese Medical Journal2011，，5： | 21 |
| 9 | Genome-scale profiling of circulating cell-free DNA signatures for early detection of hepatocellular carcinoma in cirrhotic patients显示文摘Dear Editor,Hepatocellular carcinoma(HCC)is the second most deadly cancer worldwide.1 Cirrhosis of different causes predisposes patients to HCC,increasing the annual HCC incidence by 2%–4%.1 The development of cirrhosis facilitates a series of genetic or epigenetic changes,resulting in the formation of dysplastic nodules,a premalignant stage in HCC.1 HCC diagnosis at an early stage contributes to an improved prognosis with the possibility of curative treatment.Due to the low accuracy of current diagnostic methods,it is urgently needed to explore new non-invasive strategies for early HCC diagnosis in cirrhotic patients. | Lei Chen Ghassan K.Abou-Alfa Bo Zheng Jing-Feng Liu Jian Bai Lu-Tao Du Yun-Song Qian Rong Fan Xiao-Long Liu Lin Wu Jin-Lin Hou Hong-Yang Wang The PreCar Team | 2021 | Cell Research2021，31，5： | 20 |
| 10 | Microwave synthesis of Li_2FeSiO_4 cathode materials for lithium-ion batteries显示文摘A novel synthetic method of microwave processing to prepare Li_2FeSiO_4 cathode materials is adopted.The Li_2FeSiO_4 cathode material is prepared by mechanical ball-milling and subsequent microwave processing.Olivin-type Li_2FeSiO_4 sample with uniform and fine particle sizes is successfully and fast synthesized by microwave heating at 700℃in 12 min.And the obtained Li_2FeSiO_4 materials show better electrochemical performance and microstructure than those of Li_2FeSiO_4 sample by the conventional solidstate reaction. | Zhong Dong Peng Yan Bing Cao Guo Rong Hu Ke Du Xu Guang Gao Zheng Wei Xiao | 2009 | Chinese Chemical Letters2009，20，8： | 20 |
| 11 | Diterpene ginkgolides protect against cerebral ischemia/reperfusion damage in rats by activating Nrf2 and CREB through PI3K/Akt signaling显示文摘Diterpene ginkgolides meglumine 注射(DGMI ) 是白果树 biloba L 的一篇治疗学的摘录,它在中国被用于服的 ischemic 击的处理。Ginkgolides A, B 和 C 是 DGMI 的主要部件。这研究被设计在 vivo 并且在 vitro 对 ischemic 击调查 DGMI 部件的 neuroprotective 效果。尖锐服的 ischemic 损害被中间的服的动脉(MCA ) 的吸藏为 24 h 灌注跟随的 1.5 h 在老鼠导致。老鼠与 DGMI 被对待(1, 3 和 10 mg/kg, iv ) 在在灌注以后的灌注和 12 h 的发作。DGMI 的管理显著地减少了神经病学的赤字获得的老鼠,减少的大脑梗塞卷,和导致的蛋白质 kinase B (Akt ) phosphorylation,它推动了原子 factor-erythroid 2-related 的原子 translocation 因素 2 (Nrf2 ) 并且幸存的 phosphorylation 规章的蛋白质周期的安培应答的元素绑定蛋白质(CREB ) 。Nrf2 激活导致了下游的蛋白质 heme oxygenase-1 (HO-1 ) 的表示。另外, PC12 房间在 vitro 受到氧葡萄糖 deprivation/reperfusion ( OGD/R ),有 DGMI ( 1 , 10 和 20 g/mL )的处理或 ginkgolides A , B 或 C (为各个的 10 mol/L )显著地减少了 PC12 房间死亡并且增加了 Akt 的 phosphorylation , Nrf2 的原子 translocation 和 CREB 的激活。Nrf2 和 CREB 的激活能被合作处理与 phosphoinositide-3-kinase (PI3K ) 颠倒禁止者 LY294002。这些观察建议 ginkgolides 充当激活表明小径的 Akt/Nrf2 和 Akt/CREB 的新奇外来的管理者,免于服的 ischemia/reperfusion (I/R ) 在 vivo 并且在 vitro 的损坏。 | Wen ZHANG Jun-ke SONG Rong YAN Li LI Zhi-yong XIAO Wen-xia ZHOU Zhen-zhong WANG Wei XIAO Guan-hua DU | 2018 | Acta Pharmacologica Sinica2018，39，8： | 20 |
| 12 | Cordyceps cicadae extracts ameliorate renal malfunction in a remnant kidney model显示文摘Background and Objectives:Chronic kidney disease(CKD) is a growing public health problem with an urgent need for new pharmacological agents.Cordyceps cicadae is widely used in traditional Chinese medicine(TCM) and has potential renoprotective benefits.The current study aimed to determine any scientific evidence to support its clinical use.Methods:We analyzed the potential of two kinds of C.cicadae extract,total extract(TE) and acetic ether extract(AE),in treating kidney disease simulated by a subtotal nephrectomy(SNx) model.Sprague-Dawley rats were divided randomly into seven groups:sham-operated group,vehicle-treated SNx,Cozaar,2 g/(kg·d) TE SNx,1 g/(kg·d) TE SNx,92 mg/(kg·d) AE SNx,and 46 mg/(kg·d) AE SNx.Renal injury was monitored using urine and serum analyses,and hematoxylin and eosin(HE) and periodic acid-Schiff(PAS) stainings were used to analyze the level of fibrosis.The expression of type IV collagen(Col IV),fibronectin(FN),transforming growth factor-β1(TGF-β1),and connective tissue growth factor(CTGF) was detected by immunohistochemistry.Results:Renal injury,reflected in urine and serum analyses,and pathological changes induced by SNx were attenuated by TE and AE intervention.The depositions of Col IV and FN were also decreased by the treatments and were accompanied by reduced expression of TGF-β1 and CTGF.In some respects,2 g/(kg·d) of TE produced better effects than Cozaar.Conclusions:For the first time,we have shown that C.cicadae may inhibit renal fibrosis in vivo through the TGF-β1/CTGF pathway.Therefore,we conclude that the use of C.cicadae could provide a rational strategy for combating renal fibrosis. | Rong ZHU Yi-ping CHEN Yue-yi DENG Rong ZHENG Yi-fei ZHONG Lin WANG Lan-ping DU | 2011 | Journal of Zhejiang University-Science B(Biomedicine & Biotechnology)2011，12，12： | 18 |
| 13 | Synthesis of spherical LiNi_(0.8)Co_(0.15)Al_(0.05)O_2 cathode materials for lithium-ion batteries by a co-oxidation-controlled crystallization method显示文摘球形的 Ni0.8Co0.15Al0.05OOH 先锋,由一个 co-oxidation-controlled 结晶化方法准备了,被用来综合 LiNi0.8Co0.15Al0.05O2。获得的 LiNi0.8Co0.15Al0.05O2 材料看了优秀电气化学的性能,与 193.5 mAh/g 的一个起始的分泌物能力和在 50 个周期以后的 95.1% 的能力保留什么时候以在 2.8 和 4.3 V 之间的 0.2 C 率骑车了。 | Wan Min Liu Guo Rong Hu Zhong Dong Peng Ke Du Yan Bing Cao Qiang Liu | 2011 | Chinese Chemical Letters2011，22，9： | 17 |
| 14 | Robotic anterior resection of rectal cancer: technique and early outcome显示文摘 | DU Xiao-hui SHEN Di LI Rong LI Song-yan NING Ning ZHAO Yun-shan ZOU Zhen-yu LIU Na | 2013 | Chinese Medical Journal2013，，1： | 15 |
| 15 | Fluid Flow and Solidification Simulation in Beam Blank Continuous Casting Process With 3D Coupled Model显示文摘Based on turbulent theory, a 3D coupled model of fluid flow and solidification was built using finite difference method and used to study the influence of superheating degree and casting speed on fluid flow and solidification, analyze the interaction between shell and molten steel, and compare the temperature distribution under different technological conditions. The results indicate that high superheating degree can lengthen the liquid-core depth and make the crack and breakout possible, so suitable superheating should be controlled within 35 ℃ according to the simulation results. Casting speed which is one of the most important technological parameters of improving production rate, should be controlled between 0.85 m/min and 1.05 m/min and the caster has great potential in the improvement of blank quality. | YANG Jian-wei DU Yan-ping SHI Rong CUI Xiao-chao | 2006 | Journal of Iron and Steel Research(International)2006，13，4： | 14 |
| 16 | Drug-resistant genes carried by Acinetobacter baumanii isolated from patients with lower respiratory tract infection显示文摘 | DAI Ning LI De-zhi CHEN Ji-chao CHEN Yu-sheng GENG Rong HU Ying-hui YANG Jing-ping DU Juan HU Cheng-ping ZHANG Wei LI Jia-shu YU Qin WAN Huan-ying MU Lan ZHONG Xiao-ning WEI Li-ping MA Jian-jun WANG Qiu-yue HU Ke TIAN Gui-zhen CAI Shao-xi WANG Rui-qin HE Bei WANG Si-qin WANG Zhan-wei ZHAO Su-rui GAO Zhan-cheng | 2010 | Chinese Medical Journal2010，，18： | 13 |
| 17 | Effects of Chinese herbs combined with in vitro fertilization and embryo transplantation on infertility:a clinical randomized controlled trial显示文摘OBJECTIVE: To assess the effects of using Chinese herbs in assisted reproductive technology.METHODS: Four hundred and thirty-three subjects aged less than 42 years with infertility due to Fallopian tube or male-related factors who were willing to undertake in vitro fertilization and embryo transplantation were randomly allocated to a Chinese herb intervention group(n=216) or a conventional treatment control group(n=217). All subjects received one of four routine ultra-ovulation-promoting therapies at the Reproductive Center in the Third Hospital Affiliated to Beijing University according to their physician's assessments. The subjects in the intervention group received various Chinese herbs depending on their conventional treatment. Endometrial thickness, number of acquired eggs, and rates of normal fertility, high-quality embryos, biochemical and clinical pregnancy of subjects were assessed in both groups.RESULTS: The high-quality embryo rate of 51.9%,biochemical pregnancy rate of 51.0%, clinical pregnancy rate of 44.2% and endometrial thickness of(10.84±1.75) mm in the intervention group were all significantly higher than those in the control group[48.7%,38.9%,34.8%,and(10.52±1.50)mm,respectively; P<0.05]. The normal fertility rate of 58.5% in the Chinese herb group was also significantly superior to the 54.7% achieved in the control group(P<0.01). There were no statistically significant differences(P>0.05) in the average number of acquired eggs within a single cycle, incidence of excessive stimulation of ovary, rates of embryo transplantation or early abortion and birth of living babies between the two groups.CONCLUSION: Our findings indicate that Chinese herbs increase endometrial thickness, improve the quality of fertility and embryo,and promote embryonic nidation, thus enhancing the success rate of in vitro fertilization/intracytoplasmic sperm injection-embryo transplantation cycle. Using Chinese herbs improves the outcomes and safety of assisted reproductive technologies. | Jia Guo Dong Li Cheng Liu Xiao lanJi Rong Li Xiao guo DU | 2014 | Journal of Traditional Chinese Medicine2014，34，3： | 12 |
| 18 | Effects of professional rehabilitation training on the recovery of neurological function in young stroke patients显示文摘Young stroke patients have a strong desire to return to the society,but few studies have been conducted on their rehabilitation training items,intensity,and prognosis.We analyzed clinical data of young and middle-aged/older stroke patients hospitalized in the Department of Neurological Rehabilitation,China Rehabilitation Research Center,Capital Medical University,China from February 2014 to May 2015.Results demonstrated that hemorrhagic stroke(59.6%) was the primary stroke type found in the young group,while ischemic stroke(60.0%)was the main type detected in the middle-aged/older group.Compared with older stroke patients,education level and incidence of hyperhomocysteinemia were higher in younger stroke patients,whereas,incidences of hypertension,diabetes,and heart disease were lower.The average length of hospital stay was longer in the young group than in the middle-aged/older group.The main risk factors observed in the young stroke patients were hypertension,drinking,smoking,hyperlipidemia,hyperhomocysteinemia,diabetes,previous history of stroke,and heart disease.The most accepted rehabilitation program consisted of physiotherapy,occupational therapy,speech therapy,acupuncture and moxibustion.Average rehabilitation training time was 2.5 hours/day.Barthel Index and modified Rankin Scale scores were increased at discharge.Six months after discharge,the degree of occupational and economic satisfaction declined,and there were no changes in family life satisfaction.The degrees of other life satisfaction(such as friendship) improved.The degree of disability and functional status improved significantly in young stroke patients after professional rehabilitation,but the number of patients who returned to society within 6 months after stroke was still small. | Chao-jin-zi Li Xiao-xia Du Kun Yang Lu-ping Song Peng-kun Li Qiang Wang Rong Sun Xiao-ling Lin Hong-yu Lu Tong Zhang | 2016 | Neural Regeneration Research2016，11，11： | 11 |
| 19 | Support Vector Machine combined with K-Nearest Neighbors for Solar Flare Forecasting显示文摘A method combining the support vector machine (SVM) the K-Nearest Neighbors (KNN), labelled the SVM-KNN method, is used to construct a solar flare forecasting model. Based on a proven relationship between SVM and KNN, the SVM-KNN method improves the SVM algorithm of classification by taking advantage of the KNN algorithm according to the distribution of test samples in a feature space. In our flare forecast study, sunspots and 10cm radio flux data observed during Solar Cycle 23 are taken as predictors, and whether an M class flare will occur for each active region within two days will be predicted. The SVM- KNN method is compared with the SVM and Neural networks-based method. The test results indicate that the rate of correct predictions from the SVM-KNN method is higher than that from the other two methods. This method shows promise as a practicable future forecasting model. | Rong Li Hua-Ning Wang Han He Yan-Mei Cui Zhan-Le Du | 2007 | Chinese Journal of Astronomy and Astrophysics2007，7，3： | 10 |
| 20 | Exploiting Geo-Social Correlations to Improve Pairwise Ranking for Point-of-Interest Recommendation显示文摘Recently, as location-based social network(LBSN) rapidly grow, point-of-interest(POI) recommendation has become an important way to help people locate interesting places. Nowadays, there have been deep studies conducted on the geographical and social influence in the point-of-interest recommendation model based on the rating prediction. The fact is, however, relying solely on the rating fails to reflect the user's preferences very accurately, because the users are most concerned with the list of ranked point-of-interests(POIs) on the actual output of recommender systems. In this paper, we propose a co-pairwise ranking model called Geo-Social Bayesian Personalized Ranking model(GSBPR), which is based on the pairwise ranking with the exploiting geo-social correlations by incorporating the method of ranking learning into the process of POI recommendation. In this model, we develop a novel BPR pairwise ranking assumption by injecting users' geo-social preference. Based on this assumption, the POI recommendation model is reformulated by a three-level joint pairwise ranking model. And the experimental results based on real datasets show that the proposed method in this paper enjoys better recommendation performance compared to other state-of-the-art POI recommendation models. | Rong Gao Jing Li Bo Du Xuefei Li Jun Chang Chengfang Song Donghua Liu | 2018 | China Communications2018，15，7： | 9 |
您所在的机构暂未开通此部分的功能，请联系管理员