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Today E-commerce popularity has made web an excellent source of gathering customer reviews / opinions about a product that they have purchased. The number of customer reviews that a product receives is growing at a very fast rate (It could be in hundreds or thousands). Opinion mining from product reviews, forum posts and blogs is an important research topic today with many applications. However, existing...
Network IDS is a well-known security measure for network monitoring and protection. Unfortunately, IDSs are known to generate large amounts of alerts, with many of them being either false positives or of low importance. This makes it hard for the human to spot alerts which need more attention. In order to tackle this issue, this paper proposes an IDS alert classification method which is based on data...
Many computer security technologies are at risk of proving failure to their extreme vulnerability. Our computers defense mechanisms have been going on for years now and yet have not resulted in an extremely flexible set of protections. Organizations focus on the ability of security technology to minimize risks but threats to computer security are continuing. In other disciplines, looking to nature...
End-user trust has been increasingly recognized as important for successful management and use of Web information systems (IS). This research investigates influential factors for the establishment of end-user trust toward Web IS. The theory of reasoned action and the technology acceptance model are adopted as the theoretical foundation for the research model. Based on analysis of data collected from...
This paper proposes a new image based CAPTCHA test, activity recognition CAPTCHA. In this test the user is presented with a set of distorted images depicting a randomly chosen activity. The user has to recognize the common activity associated with the images and annotate it from a given list of activities to pass the test. The user studies indicate that this CAPTCHA can be solved with 99.04% average...
Web spamming, the practice of introducing artificial text and links into Web pages to affect the results of searches, has been recognized as a major problem for search engines. But it is mainly a serious problem for Web users because they tend to confuse trusting the search engine with trusting the results of a search. In this paper, we propose "backwards propagation of distrust,'' as an approach...
This essays examined some human-centering issues for the Networld, placed primarily for convenience into five categories: antitrust in technology, a concensus on what "trust" is, interpersonal trust versus trust in automation, trusting as a dynamic process, and resilience engineering for the active management of trust. The approach of designing and foundation for the active management of...
As cyberspace has evolved into a large, dynamic, and tangled web of computing devices, engineers often fail to design in dependability properties-such as stability, robustness, and security-at the system level. Consequently, unintentional and malevolent actions taken in cyberspace have affected critical infrastructures in the physical world. These disturbances and systems' resultant undependable behavior...
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