منابع مشابه
When Opinion Request Meets Majority Search: Avoiding Fraud in On-line Review Systems
On-line review systems have been proved to be sensitive to fraud and have shown some shortcomings due to their reliance on using numerical ratings as reviews. For that reason, and supported by recent work on the field, we aim to address the problem of fraud in this type of systems, by designing a mechanism based on pairwise comparisons – encapsulated as opinion polls – coupled with an incentive...
متن کاملFraud Analytics: a Survey on Bank Fraud and Fraud Prediction Using Unsupervised Learning Based Approach
Fraud in banks has been steadily growing over the past years and is a challenge to banks worldwide. The complexity involved in detection of such fraudulent activities further adds to the problem. A thorough examination of fraud and its possibilities is necessary to pinpoint and distinguish the few fraudulent cases within the vast volumes of banking data. In this paper we have discussed various ...
متن کاملClick Fraud
T oday, Web search engines are the primary method for millions of users throughout the world to access information on a topic, navigate to Web sites, keep up with the news, and shop online. Most major search engines generate revenue via sponsored search, a process whereby content providers pay for traffic from specific links the search engine's display in response to user queries. Search engine...
متن کاملAdvertising Fraud
Over the last decade, online advertising has become a major component of the Web, leading to large annual revenues (e.g., $26.04 billion in US in 2010 [4]). Internet advertising is a very successful form of advertising as it provides an easy and effective way for advertisements to be targeted to individual users’ interests. Unfortunately, fraudsters were able to exploit several vulnerabilities ...
متن کاملScience Fraud
The perception is that, other than junk science [1], science should be beyond reproach, unsullied by lies and propaganda. Results should always be regarded as valid [2] and completely unbiased [3]. Human nature dictates that scientists are human and are always going to be prone to bias and error [4]. Most such mistakes are subconscious, and a result of looking too hard for patterns that are not...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Nature
سال: 1981
ISSN: 0028-0836,1476-4687
DOI: 10.1038/291007c0