Trust Inference Model Proposal

Trust Inference Model Proposal (step1-13 in Alg. 4) in the continu-ous case. For advogato data set, we directly report the results on all the six snapshots (i.e., advogato-1, . . . , advogato-6). For PGP, we use its subsets to study the scalability. The result is shown in Fig. 6, which is consistent with the complex-ity analysis in Section 4.3. As we can see from the figure, MATRI scales linearly wrt to both n and |K|, indicating that it is suitable for large-scale applications. The scalability result for the binary case is similar, and we omit the figures for brevity. (b) (c) (d) Fig. 3. Scalability of the proposed MATRI for continuous case. MATRI scales linearly wrt the data size (n and |K|). (a) Wall-clock time vs. n on advogato. (b) Wall-clock time vs. |K| on advogato. (c) Wall-clock time vs. n on PGP. (d) Wall-clock time vs. |K| on PGP. Fig. 4. Comparisons of alternative solutions of MATRI. Compared to MATRI-AA, MATRI-SS and MATRI-AS are more than 10x faster while preserving more than 90% accuracy on both data sets. (a) advogato data set. (b) PGP data set. (C) Comparisons of the Alternatives of MATRI. As men-tioned before, the stochastic gradient descent method (SGD) could also be used for the continuous trust inference prob-lem in computing propagation vector and solving Eq. (5). We now experimentally evaluate the efficiency of all the four alternatives of MATRI. We use MATRI-AA to denote the original MATRI, MATRI-SA to denote the case when we use SGD in the propagation step, MATRI-AS. VI RELATED WORK In this section, we briefly review related work, includ-ing trust propagation models, multi-aspect trust inference models, etc. Trust Propagation Models. To date, a large body of trust inference models are based on trust propagation where trust is propagated along connected users in the trust net-work, i.e., the web of locally-generated trust ratings. Based on the interpretation of trust propagation, we further cate-gorize these models into two classes: path interpretation and component interpretation.The proposed MATRI integrates the trust propagation with two other important properties, i.e., the multi-aspect of trust and trust bias. In addition, our multi-aspect model offers a natural way to speed up on-line query response; as well as to mitigate the sparsity or coverage problem in trust inference where some trustor and trustee might not be connected with each other both are known limitations with the current trust propagation models [10]. Multi-Aspect Trust Inference Models. Social scientists have explored the multi-aspect property of trust for several years [8]. In computer science, there also exist a few trust inference models that explicitly explores the trust propagation. Trust Bias in Trust Inference. In sociology, it was dis-covered a long time ago that trust bias is an integral part in the final trust decision [9]. Nonetheless, this important aspect has been largely ignored in most of the existing trust inference models. One exception is from Nguyen et al. [13], which learns the importance of several trust bias related features derived from a social trust framework. Recently, Mishra et al. [25] propose an iterative algorithm to compute trust bias. Different from these existing works, our focus is to incorporate various types of trust bias as specified factors/aspects to increase the accuracy of trust inference. VII CONCLUSION In this paper, we have proposed a trust inference model, as well as a family of algorithms to apply the model to both continuous and binary inference scenarios. The basic idea of the proposed MATRI is to leverage the multi-aspect property of trust by characterizing several aspects/factors for each trustor and trustee based on the existing trust relationships. In addition, MATRI incorporates the trust propagation and trust bias; and further learns their rela-tive weights. By integrating all these important properties, our experimental evaluations on real benchmark data sets show that MATRI leads to significant improvement over several benchmark approaches in prediction accuracy, for both quantifying numerical trustworthiness scores and pre-dicting binary trust/distrust signs. The proposed MATRI is also nimble it is up to 7 orders of magnitude faster than the existing trust propagation methods in the on-line query response, and in the meanwhile it enjoys the linear scalabil-ity for th e pre-computational stage in both time and space. Future work includes investigating the capability of MATRI to address the trust dynamics. REFERENCES C. Ziegler and G. Lausen, â€Å"Propagation models for trust and distrust in social networks,† Inform. Syst. Front., vol. 7, no. 4, pp.337–358, 2005. A. Jà ¸sang and R. Ismail, â€Å"The Beta reputation system,† in Proc. 15th Bled Electron. Comm. Conf., vol. 160. Bled, Slovenia, Jun. 2002. S. D. Kamvar, M. T. Schlosser, and H. 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Kahneman, â€Å"Judgment under uncertainty: Heuristics and biases,† Sci., vol. 185, no. 4157, pp. 1124–1131, 1974. Y. Yao, H. Tong, F. Xu, and J. Lu, â€Å"Subgraph extraction for trust inference in social networks,† in Proc. IEEE/ACM Int. Conf. ASONAM, Istanbul, Turkey, 2012, pp. 163–170. L. Xiong and L. Liu, â€Å"Peertrust: Supporting reputation-based trust for peer-to-peer electronic communities,† IEEE Trans. Knowl. Data Eng., vol. 16, no. 7, pp. 843–857, Jul. 2004. J. Tang, H. Gao, and H. Liu, â€Å"mTrust: Discerning multi-faceted trust in a connected world,† in Proc. 5th ACM Int. Conf. WSDM, Washingtion, DC, USA, 2012, pp. 93–102. V. Nguyen, E. Lim, J. Jiang, and A. Sun, â€Å"To trust or not to trust? Predicting online trusts using trust antecedent framework,† in Proc. 9th IEEE ICDM, Miami, FL, USA, 2009, pp. 896–901. Y. Koren, â€Å"Factorization meets the neighborhood: A multifaceted collaborative filtering model,† in Proc. 14th ACM SIGKDD Int. Conf. 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RecSys, New York, NY, USA, 2009, pp. 189–196. A. Buchanan and A. Fitzgibbon, â€Å"Damped Newton algorithms for matrix factorization with missing data,† in Proc. IEEE CVPR, vol. 2. Washington, DC, USA, 2005, pp. 316–322. X. Liu, A. Datta, K. Rzadca, and E. Lim, â€Å"Stereotrust: A group based personalized trust model,† in Proc. 18th ACM CIKM, Hong Kong, China, 2009, pp. 7–16. D. Watts and S. Strogatz, â€Å"Collective dynamics of ’small-world’ networks,† Nature, vol. 393, no. 6684, pp. 440–442, 1998. J. Leskovec, J. Kleinberg, and C. Faloutsos, â€Å"Graphs over time: Densification laws, shrinking diameters and possible explana-tions,† in Proc. 11th ACM SIGKDD Int. Conf. KDD, Chicago, IL, USA, 2005, pp. 177–187. C.-W. Hang, Y. Wang, and M. P. Singh, â€Å"Operators for propagating trust and their evaluation in social networks,† in Proc. 8th Int. Conf. AAMAS, Budapest, Hungary, 2009, pp. 1025–1032. J. Leskovec, D. Huttenlocher, and J. 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HITECH visual and psychological method Essay

We may look at Ads as an informative tool with critical judgement. The ads give misleading impression on people basically through the words used or through the verbal message conveyed by an established public person addressing the audience to provoke the feelings for getting the result as claimed by the Ad quickly . Latter method is to (mis)use the stardom value of the person on the screen. For example Amitabh Bachchan speaking good of some cold drink. Its good that he stopped it subsequently may be because he understood responsibility of his stardom. Good of him. But this speaks of misleading effect an ad can create on the minds of people who are easily carried away by the appeal of their favorite star. It will be a good idea if some wise and responsibly feeling stars come forward for the cause of consumers! And also the consumers get educated against the HITECH visual and psychological methods used by the Ads. Misleading Advertisements There are many advertisements that always overstate the products’ effectiveness in our daily life. One of the most notable example is weight-reducing advertisement. In addition, the height-adding and health-improving advertisements are also good examples of misleading advertisements. People can see many different kinds of weight-reducing advertisements on cable television programs, and these advertisements are always broadcast all day. They will have many consumers tell audience their personal experiences, and their amazement at the strong effectiveness of this weight-reducing product. Furthermore, the average weight the consumers lose may be almost five to eight kilograms a month. These users will also tell audience that this weight-reducing product makes their face glowing with health because this product makes their chronic excrement smoothly and completely out of their bodies. However, the best way to reduce weight is to do more exercise and eat less food of high calorie, so I don’t think using weight-reducing products is a good way to lose weight, and these kinds of products may have side effects that will hurt people’s bodies. Height-adding advertisements are also a good example of misleading advertisements. These kinds of advertisements always have a doctor explain the principle of adding height; then, a short user will appear and asks that doctor to help him. After one week, that short user will show up, and he would become taller by about three centimeters, and the user will have more confidence in themselves than before. One month later, the user will become almost another person because his/her height will increase about ten centimeters. Also, the user would tell audience that his/her interpersonal relation becomes better than before, and makes more friends of the opposite sex. However, people’s height will not increase so dramatically, especially after the growth period, so height-adding product advertisements are really misleading. Health-improving advertisements are always broadcast on TV programs, and in this kind of advertisement there will be a linkman, an expert, and many users. The expert will do an experiment of healthy food, and tell the audience that this kind of healthy food is more effective than others. Then, a user will appear and tell the audience that he/she had cancer before, but since he/she used this product for one year, the cancer magically disappeared. Moreover, he/she will tell the audience that his/her weak body turns to be a strong one. However, if people want a healthy body, they have to keep their daily life regular and have a balanced diet. These three kinds of misleading advertisements are easily seen in our daily life, and most people will believe their effectiveness. This kind of concept is very dangerous because if the product has poisonous substance, it will hurt people’s body severely. Therefore, people should test these three kinds of products before using them. These products may have side effects or people will lose their health without getting the effectiveness that the advertisements state.

The Jewish Community - 1330 Words

For many members of the Jewish community, the nature of their identity has been a question that has shaped their position in the modern world. Does the term Jew only consider a group of religious followers? Or does the classification of Jew have much broader nationalistic implications? The Jews of the Habsburg Empire during the 18th and 19th centuries, and more specifically in the crown land of Galicia, began to reexamine their political identities. As German Liberalism grew in popularity some members of the Galician Jewry began to see Jews, not only as a religious group, but as a nationality in its own right. These ideas stemmed from the reformist policies of Joesph II, Enlightenment ideals, and a brief revolutionary period. It was†¦show more content†¦Upon its annexation into the Habsburg Empire, Galicia had a Jewish population of 215,477. Jewish Historian William O. McCagg Jr. asserts that in 1785, Jews made up nearly nine percent of the Galician population, and nea rly seven-teen percent of the Capitol region of Lwà ³w. Galicia’s Jewish population surged after years of Jewish expulsion across the Empire. Many exiled Jews migrated to Galicia from Germany and Vienna. These past expulsions left large portions of the Galician population with a sense of loss. They had no true home, and were not fully welcomed in Galicia. They did not speak the same language as their Polish counterparts, and lived in small isolated communities. This disenfranchisement would later lead to their larger identity crisis and to the surge of Jewish Nationalism. Another critical factor that would push the Galician Jews down the road to Nationalism was the Habsburg State’s legislative response to the Jewish presence in the crown land. This facet of the Jewish question is more convoluted, and will take a more in-depth examination in order to fully understand both the motives of the Habsburg State and its subsequent effect on the Jewish people. The Mona rchy of the Habsburg Empire implemented a series of reformative policies that would push the Galician Jews to assimilate with the secular population. This was done in an attempt to strengthen the Empire’s economy, by better harnessing the Jewish

Beowulf As A Hero With Extraordinary Strength And Will

Carter Witt Mrs. Smith EN 210 7 November 2014 â€Å"Heroism in Beowulf† Beowulf is depicted as a great hero with extraordinary strength and will. This is not what makes him such a great hero though. Webster’s dictionary defines a hero as a person who is admired for brave acts or fine qualities (Merriam-Webster). While Beowulf has these qualities the definition does not do him justice. It seemed that his purpose in life was to help others and this is proven when he eventually sacrifices his life when he fought a dragon. The battle between the Grendel, Grendel’s mother, and the dragon help define Beowulf’s heroic characteristics. He establishes himself as a hero by fighting three different antagonists, exemplifying the strength and†¦show more content†¦The celebration of the defeat of Grendel was short lived because Grendel’s mother wanted revenge for her sons death. Grendel’s mother stormed into the meed hall where the men were sleeping and grabbed the kings most cherishe d counselor and the bloodily arm of her son. The King of Heorot once again fell into depression because of the attacks. He tells Beowulf the news about another attack from the evil monster. Beowulf, gives a heroic answer by saying, â€Å"She can go where she likes, but I promise you that she shall find no cover from me, whether in the bowels of the earth, in mountain thickets, or in the depths of the ocean. Have patience in your grief today, as I know you will.† (Greenblatt, 72). Beowulf then proceeds to hunt down the monster and battle her in her den at the bottom of a lake. The feat of Beowulf surviving the intense battle at the bottom of the lake and then hauling out Grendel’s mothers head is miraculous (Greenfield). This shows great heroic qualities because the people he s doing all these great acts for are not even his people. Beowulf is protecting the Kingdom of Heorot and its people so that they will no longer have to suffer at the hands of evil beasts. Beowulf continues to fight heroic battles through out his life but he faces certain death when he must fight his greatest foe who is destroying is kingdom, the

A Research Paper On African Family - 1849 Words

Research Paper Once there was a girl named Grace, who came from a very poor Christian family in Africa. It was hard for her family to get the basic needs such as food, clean water to drink or bathe, payment for rent, and clothes. As time went by, her family saw God working in their life, meaning they started getting the basic needs, and when Grace finished her secondary school, she got an opportunity to go and study at a university in America. She was very excited for this opportunity because she knew that it would open many opportunities for her and her whole family. Thus, when she arrived to the university in America, everything was amazing for her, and she thought it was a dream. As a result, she pinched herself and realized that it was real, and she thanked God for everything. Nevertheless, living in the campus was hard because she felt like she did not belong there. This was due to being a person who judged other people based on their actions. 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April 22 Earth Day Free Essays

Making of the Earth Day celebration aims to inspire humanity to re-correct itself in terms of the contribution he has done to the environment and natural surroundings. How much effort in improving care and support lterhadap ingkungan performed. That is true to commemorate the assessment in a similar momentum. We will write a custom essay sample on April 22: Earth Day or any similar topic only for you Order Now This is especially important given the environmental constraints in the existing burden on the environment. If the environment is damaged, then the weaker the support of the order of human life on it.This world has limitations that need attention with anticipation for the world that does not exceed the limitations on them. Problems of Earth is incredible (both in the world and in Indonesia) starting from: The greenhouse effect is the effect of burning fuel for power plants, combustion processes in transportation and other industries. Causes of climate change Rain aasam due heap-gas emissions and greenhouse gases such as carbon dioxide, methane and nitrous oxide.Deforestation: bald cause existing water reserves on the planet since millions of years, more and more quickly run out or have been so polluted, so that is no longer feasible to use. This is not another of them is the impact of industrialization with the disposal of waste and living areas are solid. Buyat Bay in Minahasa regency, North Sulawesi is the location of tailings disposal (sludge remaining stone crushing mine) belongs to PT. Newmont Minahasa Raya (NMR). Since 1996, the company originated in Denver, the U. S. s throwing as much as 2,000 tons of tailings to the bottom of Buyat Bay waters. Some kind of fish found to have lumps and tumors containing viscous fluid is black and golden yellow mucus. Similarly, in humans. Some residents have Buyat bruised on the neck, breasts, calves, ankles, buttocks and head. LAPINDO If within three months of bursts can not be stopped, the sludge that burst will reach 7 million cubic meters. This equates to 1. 4 million trucks. If within three months of bursts can not be stopped, the sludge that burst will reach 7 million cubic meters.This equates to 1. 4 million trucks. If a truck is assumed to average length of 5 meters, the truck series will reach 7000 kilometers or equal to seven times the length of the island of Java. The destruction of the stratospheric ozone layer due to Ozone Depleting Substance earth / ODS led to more UV rays reach the earth. This is very dangerous to the survival of living things on earth. Ultraviolet light in large quantities can cause skin cancer, cataracts on the eye disease, and disruption of immunization and the destruction of the body of living cells in humans and animals.Marine life, ecosystems, and forests would be disrupted if the volume of ultra-violet rays exceed normal limits. Also reduced ozone layer causes a colder winter in the Arctic. WHAT CAN we do today: Greening Plants and water will be able to reduce the heat through evapotranspiration will be undertaken. The addition of surface area for vegetation to reduce the maximum temperature of the air. Green open spaces to provide benefits, namely: to provide freshness, convenience, and beauty of the environment. It also can create a clean environment and clean natural sehat.Udara often in kotori by dust, whether generated by natural events or human activities. With the greening, solid particles that are suspended in layers of earth’s biosphere, it can be cleaned by a canopy of trees through the process of adsorption and absorption. With this mechanism, the amount of dust that hovered in the air will decrease. Particles floating in the air will be absorbed (attached) on the leaf surface, and some will be absorbed into the leaf stomata space. There are also particles that attach to the bark, branches and twigs. STOP freon R12/R22 RetrofitReduce / Do not use more household products that contain substances that can damage the protective layer of the earth from UV rays †¦ and switch to Natural Hydrocarbon Refrigerant. Need to increase awareness and active participation from all of us in the ozone layer protection program, an understanding of ozone layer depletion prevention, introduces materials, processes, products, and technologies that do not damage the ozone layer (Natural Hydrocarbon Refrigerant). If not, then the process of ozone depletion will increase and might be causing this layer can not be restored to its original shape.Protect the Ozone Layer, Stop Global Warming And finally †¦ Implementation of Environmental Management System for Entering Green Era Environmental Management System was developed to provide basic guidelines for environmentally friendly business activities continuously. Environmental conditions are deteriorating due to human activity (which in turn would damage the place to live together) it was time to control. Guarantee that an activity has been managed in a familiar business environment can be shown through a certificate or the Environmental Label. In this case, the ISO has been proved that the certification system capable of providing stabilization work procedures in an effort to achieve consistent results. Therefore, ISO-14000 series for environmental management guidance on business activity. ISO-14 000 series also have a major impact on the government and the business / industry since the implementation of these standards will affect trade in international market competition. The development of environmental monitoring activities at the International will have an impact on the national level programs. Earth hotter, the fans do not just Save Our Earth By: Linda Saraswati How to cite April 22: Earth Day, Papers

Immigration Law Visitors and Partners Visa

Question: Discuss about theImmigration Lawfor Visitors and Partners Visa. Answer: If Lily wants to plea against the termination of visa then she can adopt the method which have been mentioned below as it has been clearly stated that: If an individuals visa have been declined or rejected, then he/ she may able to have the verdict which have been passed to be appraised by a merits review court, the Administrative Appeals Tribunal (AAT). AAT have been an autonomous institute that appraises management conclusions. But not all the verdicts have been analyzed by the AAT like if the Minister for Immigration and Border defense has in person decided to decline or abandon somebodys visa under section 501 of the Migration Act 1958 then it cannot be assessed by AAT.[1] Similarly, if lily wants to apply for appeal she can do so within the time which has been specified below: But if an individual want to get their visa restored then they would necessitate applying for restriction to be imposed on the Departments creative conclusion to cancel the visa. There has been a stern time perimeter for pertaining for cancellation: If a worker from the Department offered the individual a memo, then the person have only 28 days to apply for cancellation from the date of the letter. If the Department sent a memo to the individual in the post, then they would only have 35 days to apply from the date of the letter. If the Notice of Visa termination was posted to the applicant then the date which would be considered as notified for the verdict within 7 working days from the date on the notice as specified under section 68A of the Administrative Appeals Tribunal Act, 1975.[2] If an individual miss the target to pertain, then he would not be able to pertain for cancellation. The individual could be detached or banished from Australia once the individual finish their condemnation. No, Lily cannot apply for partner visa after cancellation of her visitor visa as it has been clearly specified that the partner visa subclasses 820 and 801 permits the partner or de facto collaborator of an Australian Inhabitant, everlasting inhabitant or entitled New Zealand inhabitant to live in Australia. But in order to get this visa, the individual must be wedded to or in a de facto connection with an Australian inhabitant; Australian Permanent inhabitant; or eligible New Zealand inhabitant. Under section 501E of the Migration Act, 1958[3] some other conditions have been mentioned defining the denial or annulment of visa restriction on applying for other visas. The person must be in an authentic and continuing relationship and must subsist with their colleague or if they dont any partition must be only provisional. Similarly as per section 48 of the Migration Act 1958[4] it has been clearly stated that it confines an individual from applying from another visa while in Australia except for some prescribed visa classes. Therefore, as mentioned above that partner visa sub class 820 as mentioned in schedule 1 of the Migration Regulation Act, 1994[5] can be applied for even if a visa has been canceled previously. So, Lily in this case can file a partner visa even after termination of her visitor visa as per the exception of section 48.[6] Yes, lily can make a plea to the Administrative Appeals Tribunal (AAT). As the Department sent a letter by post, so lily can apply for plea only within 35 days to apply from the date of the letter. An appliance fee of A$1,673 was owed in all cases, except when pertaining for appraisal of a conduit visa verdict that resulted in a person being placed in immigration custody. Although, the fee can be abridged to $836.50 if the court makes a result in the applicants good deed or was happy that the sum of the full fee has caused or was likely to cause severe fiscal adversities. As the tribunal was pleased that the association was now authentic, that the court lined in favor of lily and determined to remit her case back to DIBP as she was pregnant with Bobs child and fronted up to the court with her new baby. Also as per the stipulation of Partner visa 820 and 801 as there has to be a reliable adolescent so therefore court can take this new enlargement into deliberation in making its conclusion. Yes, in this circumstance lily can get her fees which she has paid earlier back in hand as she paid the sum for the plea and it was pending but at the same time the case went back to the original point from which it got started. It has also been clearly stated that if a person have paid a fee and the case was resolved in his or her favor, then the AAT would refund the most of the fee in many cases. So, therefore she would be appropriate for getting the repayment amount which she paid for initiating a plea which she would not necessitate now as the stipulation of a reliable youngster have been satisfied now. Bibiography (A) Legislation Administrative Appeals Tribunal Act 1975, Migration Act 1958 (Cth) Migration Regulation Act 1994 (Cth)