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Influence and Analysis of the Incomplete Behavior Evidence on Trust Evaluation in WSNs
行为证据不全对无线传感器网络信任评估的影响与性质分析

TIAN Li-qin,LIN Chuang,
田立勤
,林闯

计算机科学 , 2010,
Abstract: In wireless sensor networks, single static identity-based node authentication can't meet the dynamic security needs. In order to provide better security we must combine dynamic behaviour-based node trust with static identity-based node authentication. In node behavior trust evaluation, behavior evidence is the fundamental basis of behavior evaluation. Because the node's behavior is random,uncertain,which causes behavior evidence was not complete and bchavior value is not ectual in each interaction, but as far as we know, this very important phenomenon in behavior trust evaluation is rarely considerd. "hhis paper analyzed incomplete behavior evidence obtained in node interaction brings about a significant impact on trust evaluation and discussed the relationship between incomplete behavior evidence and behavior value,gave a kind of behavior trust evaluation strategy for different values interaction such as Less-Filling and Weight Extension. Finally, we used two theorems and two properties to prove strategy's effect and property in behavior trust evaluation. Paper lays the quantity foundation in enhancing valuctrust reliability of node behavior trust.
Performance Equivalent Analysis of Workflow Systems
工作流系统模型的性能等价分析

LIN Chuang,TIAN Li-qin,WEI Ya-ya,
林闯
,田立勤,魏丫丫

软件学报 , 2002,
Abstract: In this paper, four basic model of workflow systems are discussed based on SPN (stochastic Petri nets), and their performance equivalent equations are deduced. Finally, an example is given to explain how to model a workflow system based on SPN, and how to use those equations to compute their performance. By using these equations, not only the complex workflow model can be simplified but also the product-form solution of performance parameter of workflow model can be got.
Trust Evaluation and Control Analysis of FANP-based User Behavior in Cloud Computing Environment
云计算环境下基于FANP的用户行为的可信评估与控制分析

LV Yan-xia,TIAN Li-qin,SUN Shan-shan,
吕艳霞
,田立勤,孙珊珊

计算机科学 , 2013,
Abstract: The open environment in cloud computing is much more complex and unpredictable, and can not fully adapt to the new application of computer network such as cloud computing. Combining such security measures of dynamic user behavior trust, effectively confirming the untrusted cloud terminal users and correctly analyzing their abnormal behavior are the basis to ensure cloud security in complex and dynamic environment This paper adopted the method of fuzzy analytic network process(FANP) based on triangular fuzzy numbers, which can reflect the fuzziness of expert evaluation through using fuzzy numbers, and weaken the subjectivity of simply using ANP. The paper also gave a quantization calculation to the weight of each attribute in order to make the evaluation results more objective. The evaluation results provide a quantitative analysis foundation for security control based on dynamic trust and provide the quantitative basis for service providers who adopt a more safe strategy in response to a user's requesting.
ATMOSPHERIC CORROSION CHARACTERISTIC OF DEPLETED URANIUM ALLOYS
贫铀合金的大气腐蚀特性研究

YU Shu-hua,ZHU Lei,ZHOU Kun,LUO Tian-yuan,YI Ping,LIN Yong,LAI Li-qin,
余淑华
,朱蕾,周堃,罗天元,易平,林勇,赖丽勤

腐蚀科学与防护技术 , 2005,
Abstract: The atmospheric corrosion characteristic of depleted uranium alloys in environments of indoor and outdoors of marine and inland environment was studied. The results show that corrosion of the depleted uranium alloys was mainly controlled by SO2, Cl^- and relative humidity of the environments.
3′,7′,7′-Trimethyl-1′-phenyl-5′,6′,7′,8′-tetrahydrospiro[indoline-3,4′-(1H,4H-pyrazolo[3,4-b]chromene)]-2,5′-dione
Li-Qin Zhao,Bin Li,Yi-Qun Li
Acta Crystallographica Section E , 2010, DOI: 10.1107/s1600536810045253
Abstract: The title spirooxindole compound, C26H23N3O3, was prepared by the reaction of isatin, 3-methyl-1-phenyl-2-pyrazolin-5-one and 5,5-dimethylcyclohexane-1,3-dione in an ethanol solution. The fused cyclohexene ring adopts an envelope conformation. The dihedral angle between the aromatic and pyrazoline rings is 23.70 (8)°. An intramolecular C—H...O interaction occurs. The crystal structure is stabilized by N—H...N hydrogen-bonding interactions, leading to a zigzag chain along the b axis.
Liver and spleen volume variations in patients with hepatic fibrosis
Peng Liu, Peng Li, Wen He, Li-Qin Zhao
World Journal of Gastroenterology , 2009,
Abstract: AIM: To study the liver and spleen volume variations in hepatic fibrosis patients at different histopathological stages.METHODS: Multidetector computed tomography (MDCT) scan was performed in 85 hepatic fibrosis patients. Liver volume (LV) and spleen volume (SV) were measured. Fifteen healthy individuals served as a control group (S0). The patients were divided into stage 1 (S1) group (n = 34), stage 2 (S2) group (n = 25), stage 3 (S3) group (n = 16), and stage 4 (S4) group (n = 10) according to their histopathological stage of liver fibrosis.RESULTS: The LV and standard LV(SLV)had a tendency to increase with the severity of fibrosis, but no statistical difference was observed in the 5 groups (LV: F = 0.245, P = 0.912; SLV: F = 1.902, P = 0.116). The SV was gradually increased with the severity of fibrosis, and a statistically significant difference in SV was observed among the 5 groups (P < 0.01). The LV/SV ratio and SLV/SV ratio were gradually decreased with the aggravation of hepatic fibrosis, and statistically significant differences in both LV/SV and SLV/SV were found among the 5 groups (P < 0.01).CONCLUSION: The absence of obvious LV reduction in patients with chronic liver disease may be a morphological index of patients without liver cirrhosis. The SV is related to the severity of fibrosis, and the spleen of patients with advanced fibrosis is enlarged evidently. The LV/SV ratio and SLV/SV ratio are of a significant clinical value in the diagnosis of advanced liver fibrosis.
Necessary and Sufficient Conditions for the Global Weak Attractivity and Global Attractivity of a Class of Nonlinear Differential Equations
一类微分方程零解全局弱吸引和全局吸引到充要条件

ZHAO Li-qin,
赵丽琴

数学物理学报(A辑) , 2009,
Abstract: 考虑二阶微分方程 x =φ(y)-F(x),y=- g(x)q(y) 零解的全局弱吸引和全局吸引性, 说明了Filippov条件(A2) 不能排除最大椭圆扇形S* 的存在性, 也不能排除 S* 作为其外侧邻域轨线正向极限集的可能. 全面回答了文献8]末提出的问题;得到了方程(E)满足或不满足Filippov 条件时零解全局弱吸引和全局吸引的一系列充分必要条件, 同时也得到了零解全局渐近稳定的一些新条件.
Divergence structure for the quantum entropy of black holes in Anti-de Sitter spacetime
Anti-de Sitter时空中黑洞量子熵的发散结构

Mi Li-Qin,
米丽琴

物理学报 , 2004,
Abstract: Divergence structure for the quantum entropy of a black hole in Anti-de Sitter spacetime due to the electromagnetic and gravitational fields is investigated by using the brick-wall model. The entropy has both linearly and logarithmically divergent terms, where the linearly divergent term can reduce to the form proportional to the event horizon area if the temperature is replaced by the Hawking temperature and the coordinate cutoff is replaced by the proper cutoff; while the logarithmic divergences not only depend on the characteristics of the black hole but also on the spin of the fields. Since this term exists, the contribution of a spin field in general is not proportional to the scalar one.
2-(1,2-Dimethyl-1H-indol-3-yl)-1-{5-[3-(1,3-dioxolan-2-yl)phenyl]-2-methylthiophen-3-yl}-3,3,4,4,5,5-hexafluorocyclopent-1-ene
Li-qin Wang,Liu-shui Yan,Gang Liu
Acta Crystallographica Section E , 2011, DOI: 10.1107/s1600536811043509
Abstract: The title compound, C29H23F6NO2S, a member of a new family of photochromic diarylethene compounds having an unsymmetrically substituted hexafluorocyclopentene unit, displays dihedral angles between the indole and thiophene rings of 52.5 (4)°, and between the indole ring and the planar C—C=C—C unit of the cyclopentene ring of 53.8 (6)°. The distance between the potentially reactive C atoms from the two heteroaryl substituents of 3.817 (6) is proven to be short enough for photocyclization to occur.
Characteristics of paraesophageal varices: A study with 64-row multidetector computed tomography portal venography
Li-Qin Zhao, Wen He, Guang Chen
World Journal of Gastroenterology , 2008,
Abstract: AIM: To identify the characteristics of morphology, location and collateral circulation involved in paraesophageal varices (para-EV) of portal hypertension patients with 64-row multidetector computed tomography (MDCT).METHODS: Fifty-two of 501 patients with portal hypertensive cirrhosis accompanied with esophageal varices were selected for 64-row MDCT examination after the observation of para-EV. The CT protocol included unenhanced, arterial and portal phases with a slice thickness of 0.625 mm and a scanning field of 2 cm above the bifurcation to the lower edge of kidney. The CT portal venography (CTPV) was reformatted on AW4.3 workstation. The characteristics of origination, location, morphology and collateral circulation in para-EV were observed.RESULTS: Among the 52 cases of para-EV, 50 showed the originations from the posterior branch of left gastric vein, while the others from the anterior branch. Fifty cases demonstrated their locations close to the esophageal-gastric junction, and the other two cases were extended to the inferior bifurcation of the trachea. The circuitous pattern was observed in 16 cases, while reticulated pattern was seen in 36 cases. Collateral circulation identified 4 cases of single periesophageal varices (peri-EV) communication, 3 cases of single hemiazygous vein, one case of single inferior vena cava, 41 cases of mixed type (collateral communications of at least 2 of above mentioned types) and 3 cases of undetermined communications. Among all the cases, 43 patients showed the communications between para-EV and peri-EV, while hemiazygous vein (43 cases) and inferior vena cava (5 cases) were also involved.CONCLUSION: Sixty-four-row multidetector computed tomography portal venography could display the location, morphology, origin, and collateral types of para-EV, which provides important and referable information for clinical management and disease prognosis.
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