نتایج جستجو برای: internet problem
تعداد نتایج: 1034135 فیلتر نتایج به سال:
Internet security incidents have shown that while network cryptography tools like SSL are valuable to Internet service, the hard problem is to protect the server itself from attack. The host security problem is important because attackers know to attack the weakest link, which is vulnerable servers. The problem is hard because securing a server requires securing every piece of software on the s...
The explosive growth of the Internet dramatically changes the way of working and living that the Internet becomes a major source of information. However, the excessive information on the Internet creates the information overflow problem. As a result, information retrieval (IR) systems (or search engines) come to help the Internet users to alleviate the problem. The conventional IR systems are d...
The exploration of social networks is essential to find capable collaborators who can help problem-solving. This paper proposes an Internet and WWW based application, called SocialPathFinder, for seeking for a collaborator with the chain of personal connections (PeCo) in WWW. Moreover, this system helps gathering, exploring, and visualizing social networks. The experimental results show that th...
With the demand of mobility by users, wireless technologies have become the hotspot developing arena. Internet Engineering Task Force (IETF) working group has developed Mobile IP to support node mobility. The concept of node mobility indicates that in spite of the movement of the node, it is still connected to the internet and all the data transactions are preserved. It provides location-indepe...
Travel information search is a complex, dynamic and contingent process. Travel information search and planning on the Internet becomes more and more prevalent along with the development of information technology. However, the usability of the Internet as a travel information source still remains as a problem. This research intends to explore the interaction process between a travel information ...
The commercialization of the Internet and the requirement to offer various different network services for emerging applications has driven the development of appropriate Internet technology, such as the Differentiated Services Architecture. However, these developments focussed on the technological point of view only, neglecting the need to provide economic incentives to users and customers to c...
the growth and the expansion of the internet and the world wide web continue to impact society in new and amazing ways. the role of economic commerce has not been as dynamic as some predicted, but has still demonstrated remarkable success and tremendous potential. any failure to meet some of the expectations may be explained in large part by questions and concerns surrounding existing methods o...
AIMS The aim of the present study was to compare psychiatric symptoms between adolescents with and without Internet addiction, as well as between analogs with and without substance use. METHODS A total of 3662 students (2328 male and 1334 female) were recruited for the study. Self-report scales were utilized to assess psychiatric symptoms, Internet addiction, and substance use. RESULTS It w...
heuristics are often used to provide solutions for flow shop scheduling problems.the performance of a heuristic is usually judged by comparing solutions and run times on test cases.this investigation proposes an analytical alternative ,called asymptotic convergence ,which tests the convergence of the heuristic to a lower bound as problem size grows. the test is a stronger variation of worst cas...
The authors evaluated gambling behaviors, including Internet gambling, among patients seeking free or reduced-cost dental or health care. Three hundred eighty-nine patients at university health clinics completed a questionnaire that included the South Oaks Gambling Screen (SOGS; H. R. Lesieur & S. Blume, 1987). All respondents had gambled in their lifetimes, with 70% gambling in the past 2 mont...
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