In recent years, more and more CJK (Chinese, Japanese, and Korean) web pages appear in the Internet. The information in the CJK web page also becomes more and more important. Web crawler is a kind of tool to retrieve web pages. Previous researches focused on English web crawlers and the web crawler is always optimized for English web pages. We found that the performance of the web crawler is wo...

introduction: websites of academic journals have an important role in communicating and providing services to researchers. the present study aimed to determine the number of incoming links of iranian journal of medical sciences websites. besides, it aimed to determine the rate of visibility of core websites based on these findings. methods: this descriptive study was performed using webometrics...

The aim of this study is to present and analyze the problem of drive-by download attacks. Drive-by downloads have become one of the most common ways to infect a large group of unsuspected users. Attackers take full advantage of the functionality of the Internet and its dominance in various transactions of everyday life and spread malware by exploiting vulnerable systems for financial gain. Thes...

The estimated number of static web pages in Oct 2005 was over 20.3 billion, which was determined by multiplying the average number of pages per web server based on the results of three previous studies, 200 pages, by the estimated number of web servers on the Internet, 101.4 million. However, based on the analysis of 8.5 billion web pages that we crawled by Oct. 2005, we estimate the total numb...

The usability of the web pages is assessed using some statistical models. Researchers argue that many usability results and recommendations lack empirical and experimental data. Universities web pages are chosen as subjects for this work. Series of experiments have been conducted to investigate into the usability and design of the universities web pages. Prototype web pages have been developed ...

With the rapid growth of World Wide Web, finding useful and desired information in a short amount of time becomes an important issue for Web users. Search engines and focused crawlers help people to navigate the internet. A user expresses her information need in the form of a query and there is huge number of Web pages returning to this query. However, the majority of users view only a single p...

URL shortening services enable us to shorten or simplify URLs. Ad-based display advertisements users who access short URLs and reward creators. However, ad-based have specific security risks that without ads do not, such as displaying malicious users. In this study, we reveal previously unknown of these caused by users' behaviors. We conducted a comprehensive measurement services. First, access...

Modern web applications frequently implement complex control flows, which require the users to perform actions in a given order. Users interact with a web application by sending HTTP requests with parameters and in response receive web pages with hyperlinks that indicate the expected next actions. If a web application takes for granted that the user sends only those expected requests and parame...

Since web pages are created, changed, and destroyed constantly, web databases (local collections of web pages) should be updated to maintain web pages up-to-date. In order to effectively keep web databases fresh, a number of studies on the change detection of web pages have been carried out, and various web statistics have been reported in the literature. This paper considers the issues of web ...