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An OWL-Based Specification of Database Management Systems

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computers, Materials & continua 2022年第3期70卷 5537-5550页

作者： sabin c.buraga Daniel Amariei Octavian Dospinescu Alexandru Ioan cuza University Faculty of Computer ScienceIasi700706Romania Alexandru Ioan cuza University Faculty of Economics and Business AdministrationIasi700706Romania

In the context of a proliferation of DatabaseManagement Systems(DBMSs),we have envisioned and produced an OWL 2 ontology able to provide a high-level machine-processable description of the DBMSs *** conceptualization aims to facilitate a proper execution of various software engineering processes and database-focused administration ***,it can be used to improve the decision-making process for determining/selecting the appropriate DBMS,subject to specific *** proposed model describes the most important features and aspects regarding the DBMS domain,including the support for various paradigms(relational,graph-based,key-value,tree-like,etc.),query languages,platforms(servers),plus running environments(desktop,Web,cloud),specific contexts—i.e.,focusing on optimizing queries,redundancy,security,performance,schema ***-less approaches,programming languages/paradigms,and *** process of populating the ontology with significant individuals(actual DBMSs)benefits from the existing knowledge exposed by free and open machine-processable knowledge bases,by using structured data fromWikipedia and related *** pragmatic use of our ontology is demonstrated by two educational software solutions based on current practices in Web application development,proving support for learning and experimenting key features of the actual semantic Web technologies and *** approach is also an example of using multiple knowledge from database systems,semanticWeb technologies,and software engineering areas.

关键词： Database management systems knowledge model web engineering

characteristic Study of the Boundary Layer Parameters over the Arabian Sea and the Bay of Bengal Using the QuikScAT Dataset

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Advances in Atmospheric Sciences 2007年第4期24卷 631-643页

作者： V.HAMZA c.A.BABU T.P.sabin Department of Atmospheric Sciences Cochin University of Science and TechnologyCochin-682 016India

The marine atmospheric boundary layer （MABL） plays a vital role in the transport of momentum and heat from the surface of the ocean into the atmosphere. A detailed study on the MABL characteristics was carried out using high-resolution surface-wind data as measured by the QuikScAT （Quick scatterometer） satellite. Spatial variations in the surface wind, frictional velocity, roughness parameter and drag coefficient for the different seasons were studied. The surface wind was strong during the southwest monsoon season due to the modulation induced by the Low Level Jetstream. The drag coefficient was larger during this season, due to the strong winds and was lower during the winter months. The spatial variations in the frictional velocity over the seas was small during the post-monsoon season （-0.2 m s^-1）. The maximum spatial variation in the frictional velocity was found over the south Arabian Sea （0.3 to 0.5 m s^-1） during the southwest monsoon period, followed by the pre-monsoon over the Bay of Bengal （0.1 to 0.25 m s^-1）. The mean wind-stress curl during the winter was positive over the equatorial region, with a maximum value of 1.5×10^-7 N m^-3, but on either side of the equatorial belt, a negative wind-stress curl dominated. The area average of the frictional velocity and drag coefficient over the Arabian Sea and Bay of Bengal were also studied. The values of frictional velocity shows a variability that is similar to the intraseasonal oscillation （ISO） and this was confirmed via wavelet analysis. In the case of the drag coefficient, the prominent oscillations were ISO and quasi-biweekly mode （QBM）. The interrelationship between the drag coefficient and the frictional velocity with wind speed in both the Arabian Sea and the Bay of Bengal was also studied.

关键词： boundary layer characteristics drag coefficient frictional velocity roughness length QuikScAT wind

胰十二指肠切除术后胰漏发生的危险相关因素分析

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胰十二指肠切除术后胰漏发生的危险相关因素分析

作者： sabin SUBEDI（赛兵）复旦大学

学位级别：硕士

背景：胰瘘是胰十二指肠切除术(PD)一种常见的、危及生命的并发症。术后胰瘘(POPF)的发生受到许多可变因素和不可变风险因素的影响。其中胰肠吻合术(PJ)技术是最重要的、可改变的危险因素之一。目前虽然有各种不同的PJ技术方法以减少或... 详细信息

背景：胰瘘是胰十二指肠切除术(PD)一种常见的、危及生命的并发症。术后胰瘘(POPF)的发生受到许多可变因素和不可变风险因素的影响。其中胰肠吻合术(PJ)技术是最重要的、可改变的危险因素之一。目前虽然有各种不同的PJ技术方法以减少或避免POPF的发生,还没有一种PJ技术可以完全避免POPF。本课题将通过回顾性研究,介绍一种新型单层端侧吻合PJ方法,比较不同PJ方法对POPF形成的影响,并分析预测围手术期的临床病理参数对POPF发生的风险。方法：从2008年9月到2012年3月,共有151例患者在高手术量医院接受由单一的胰腺外科医生给予的PD手术治疗。PJ吻合术方式包括：捆绑式胰管内引流(BIS)组(n=43),单层端侧吻合胰管内引流(SLIS)组(n=40)和单层端侧吻合胰管外引流组(SLES)(n=68)。通过收集的临床数据进行回顾性分析,包括：性别、年龄、身体质量指数(BMI)、糖尿病、吸烟、心脏病、高血压(HTN)、手术前胆道支架置入术、手术时间、输血、吻合口型、主胰管直径(PDD)、胰腺质地、病理、纤维化评分及脂肪化评分。根据数据的统计分析,研究不同类型的PJ吻合和与POPF发生之间的关系以及相关危险性因素。结果：我们观察到BIS组POPF的发生率为34.9%(N=15),SLIS组为30%(n=12)和SLES组为48.5%(N=33),统计分析显示三组之间没有明显差异(P=0.05)。患者POPF总发生率为39.7%(A级：26.5%,B级：8.6%,c级：4.6%)。SLES组住院时间最短,明显低于其它两组(平均住院时间：SLES=14.9±6.4d

关键词：胰十二指肠切除术胰肠吻合术后胰瘘危险因素组织病理学

欧洲成人首次行肝移植术后3个月和12个月的病死率:患者预后的预测模型

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世界核心医学期刊文摘（胃肠病学分册） 2006年第4期2卷 2-3页

作者： Burroughs A.K sabin c.A Rolles K. 廖新华 Liver Transplantation and Hepatobiliary Medicine Royal Free Hampstead NHS Trust London NW3 2QG United KingdomProf.

Background: Mortality after liver transplantation depends on heterogeneous recipient and donor factors. Our aim was to assess risk of death and to develop models to help predict mortality after liver transplantation. Methods: We analysed data from 34 664 first adult liver transplants from the European Liver Transplant Registry to identify factors associated with mortality at 3-months (n = 21 605 in training dataset) and 12-months (n = 18 852 in training dataset) after transplantation. We used multivariable logistic regression models to generate mortality scores for each individual, and assessed model discrimination and calibration on an independent validation dataset (n = 9489 for 3-month model and n = 8313 for 12-month model). Findings: 2540 of 21 605 (12%) individuals in the 3-month training sample had died by 3 months. compared with those transplanted in 2000-03, those transplanted earlier had a higher risk of death. Increased mortality at 3-months post-transplantation was associated with acute liver failure (adjusted odds ratio 1.61), donor age older than 60 years (1.16), compatible (1.22) or incompatible (2.07) donor-recipient blood group, older recipient age (1.12 per 5 years), split or reduced graft (1.96), total ischaemia time of longer than 13 h (1.38), and low United Network for Organ Sharing score (score 1: 2.43; score 2: 1.67). However, cirrhosis with hepatocellular carcinoma, alcohol cirrhosis, hepatitis c or primary biliary cirrhosis, donor age 40 years or younger, or less, hepatitis B, and larger size of transplant centre (≥70 transplants per year) were associated with improved early outcomes. The 3-month mortality score discriminated well between those who did and did not die in the validation sample (c statistic = 0.688). We noted similar findings for 12-month mortality, although deaths were generally underestimated at this timepoint. Interpretation: The 3-month and 12-month mortality models can be effectively used to assess outcomes both within and

关键词：肝移植预测模型模型组异质性酒精性肝硬化缺血时间急性肝衰竭预后改善肝细胞癌训练样本

抗逆转录病毒药物的种类与心肌梗死风险的关系

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世界核心医学期刊文摘(心脏病学分册) 2007年第9期 17-18页

作者： Friis-Mфller N. Reiss P. sabin c.A. J.D. Lundgren 豆亚伟 Faculty of Health Sciences University of Copenhagen Panum Institute Blegdamsvej 3 2200 Copenhagen N Denmark

背景:作者先前已证实了抗逆转录病毒联合治疗与心肌梗死风险之间的相关性。但是,目前尚不确定这一相关性是否因抗逆转录病毒药物的种类不同而不同。此项研究旨在确定蛋白酶抑制因子及非核苷酸逆转录酶

关键词：心肌梗死抗逆转录病毒药物蛋白酶抑制因子

考虑结核病!肺结核的诊断延误是使用抗生素引起的吗?

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国际结核病与肺部疾病杂志 2010年第1期5卷 5-9页

作者： S.E.craig H.Bettinson c.A.sabin S.H.Gillespie M.c.I.Lipman 弭凤玲 Department of Respiratory Medicine Royal Free Hospital London Department of Medical Statistics and Epidemiology Royal Free & University college Medical School centre for Medical Microbiology

背景:有效的结核病(TB)控制需要对传染性结核病例进行及早诊断,这需要对所有有呼吸系统症状的患者进行早期的肺结核排查。目的:验证我们的假设:在结核病低发病率的欧洲国家,由于对细菌感染的患者优先使用抗生素治疗,导致结核病诊断延迟... 详细信息

背景:有效的结核病(TB)控制需要对传染性结核病例进行及早诊断,这需要对所有有呼吸系统症状的患者进行早期的肺结核排查。目的:验证我们的假设:在结核病低发病率的欧洲国家,由于对细菌感染的患者优先使用抗生素治疗,导致结核病诊断延迟。设计:在一个独立的城市中心医院,对通过培养确诊的成年肺结核患者进行评价,研究抗生素治疗对症状改善和抗结核治疗起始时间的影响。结果:83例患者中,42例(51%)在诊断结核病之前使用了抗生素,其中20例(48%)患者症状得到改善,这与药物类别无关。虽然接受抗生素治疗的患者诊断周期的中位数延长(P=0.001),但对治疗结果并没有预测性提示。在94%的患者中,最初胸部X线提示有结核感染。结论:结核病诊断前的抗生素治疗,使患者遭受与诊断过程有关的治疗延误。为最大程度降低结核病传播,我们建议临床医生应将结核病包括在最初的鉴别诊断中,在诊断过程初期对有呼吸道症状的患者进行简单的结核病相关检查。

关键词：肺结核抗生素诊断延误

血清乙型肝炎病毒DNA阳性与原发性肝癌危险性关系的前瞻性队列研究

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中华肝脏病杂志 2009年第12期17卷 930-934页

作者：陈钦艳董柏青杨进业韦少超方孔雄王学燕方钟燎 caroline sabin Tim J Harrison 广西壮族自治区疾病预防控制中心病毒性疾病预防控制科、办公室、信息科南宁530028 广西壮族自治区隆安县疾病预防控制中心计划免疫科英国伦敦大学学院

目的探讨血清HBV DNA阳性与原发性肝癌的关系。方法以分层抽样方法对广西隆安县12个乡镇30～55岁农村居民抽样，采静脉血，酶联免疫吸附试验检测HBsAg，套式聚合酶链反应检测HBV DNA。根据HBsAg和DNA检测结果，将研究对象分为HBsAg（＋... 详细信息

目的探讨血清HBV DNA阳性与原发性肝癌的关系。方法以分层抽样方法对广西隆安县12个乡镇30～55岁农村居民抽样，采静脉血，酶联免疫吸附试验检测HBsAg，套式聚合酶链反应检测HBV DNA。根据HBsAg和DNA检测结果，将研究对象分为HBsAg（＋）／HBvDNA（＋）组（A组）和HBsAg（＋）／HBVDNA（-）组（B组）；根据1：1匹配原则，从本村屯HBsAg（-）者中为前两组观察对象挑选对照，组成HBsAg阴性对照组（c组），对这3组人群进行4年的前瞻性跟踪随访。卡方检验对各组及各因素的发病率进行统计分析，然后用cox比例风险模型分析与PLc有关的危险因素，用后退法对数值进行迭代分析。结果30～55岁人群HBsAg阳性率为14．52％（3975／27379），HBsAg阳性者HBV DNA阳性率为40．35％（1604／3975）。A、B两组总的肝癌发病率为672．45／10万人年，明显高于c组的17．19／10万人年（P〈0．01），相对危险度为39．123，95％可信因司为9．018～159．146。A组肝癌发病率为984．03／10万人年，显明高于c组的324．38／10万人年（P〈0．01），相对危险度为3．034，95％可信区间为1．795～5．125。对A、B两组进行肝癌危险因素的多因素cox模型分析，结果表明性别、年龄、血清HBV DNA阳性、肝癌家族史和以玉米为主食均为肝癌的危险因素。结论血清HBV DNA阳性可增加HBsAg阳性者的肝癌危险性。

关键词：肝炎病毒,乙型肝炎表面抗原,乙型 DNA,病毒肝肿瘤队列研究,前瞻性

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儿童期肥胖、成年期肥胖和心血管风险因子

中华高血压杂志 2012年第1期20卷 84-85页

作者： Juonala M Magnussen cG Berenson GS Venn A Burns TL sabin MA Srinivasan SR Daniels SR Davis PH chen W Sun c cheung M Viikari JS Dwyer T Raitakari OT 叶鹏机构不详

过去30年,儿童超重或肥胖的发生率明显增加[1]。儿童期肥胖是死亡率增加的预测因子,这主要是由于儿童期肥胖可导致心血管疾病发生率增加。相关的预测研究提示＂肥胖流行症＂可能改变目前心血管疾病死亡率下降的趋势,使现今儿童的寿命缩短。

关键词：心血管疾病儿童期肥胖风险因子成年期疾病发生率疾病死亡率预测因子

Polio eradication surveillance in Sri Lanka,2019-2023

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Asian Pacific Journal of Tropical Medicine 2024年第6期17卷 268-272页

作者： M.A.Y.Fernando N.S.Madarasinghe c.Rangana N.Weerasinghe D.c.U.D.Weligamage J.I.Abeynayake Department of Medical Microbiology and Immunology Faculty of MedicineUniversity of ColomboSri Lanka Department of Virology Medical Research InstituteColombo 08Sri Lanka Medical Research Institute Colombo 08Sri Lanka

Objective:To evaluate the polio laboratory surveillance carried out from January,2019 to May,2023 by the Polio Regional Reference Laboratory,Sri ***:This retrospective study analyzed all stool samples received under the acute flaccid paralysis(AFP)and immunodeficient vaccine-derived poliovirus(VDPV)surveillance at Polio Regional Reference Laboratory,Sri Lanka from January,2019 to May,*** results of the testing methodologies were extracted from the laboratory data system,i.e.,poliovirus virus isolation,intra-typic differentiation/VDPV real time reverse transcriptase polymerase chain reaction(ITD/VDPV rRTPcR)and sequencing,along with the data on timing of reporting results,stool adequacy and *** was analyzed using descriptive ***:A total of 2141 stool samples from 1644 cases were received for AFP surveillance from Sri Lanka(93.61%),Maldives(1.52%),and immunodeficient VDPV(4.86%)*** polioviruses(19/1644,1.15%)and non-polio enteroviruses(73/1644,4.44%)were isolated,while sabin-like 3 virus was detected in majority(12/19,63.15%)among the poliovirus *** polioviruses or circulating VDPVs were not detected among the *** all years of the study,the non-polio AFP detection rate was>1/100000 in children aged less than 15 years,whereas stool adequacy rate was>80%.All results were reported within 14 days of receipt,ensuring timely reporting as per global ***:The Polio Regional Reference Laboratory,Sri Lanka plays a vital role in maintaining the polio-free status in the country through its robust laboratory surveillance,while adhering to the surveillance ***-detection of wild polioviruses and circulating VDPV during the study period reinforces the polio-free status in the country.

关键词： Poliovirus Polio laboratory surveillance Regional reference laboratory Polio eradication