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...h a International Journal of Wireless & Mobile Networks (IJWMN) Vol. 4, No. 3, June 2012 196 system can be considered as a context aware system. According to the definition, “A system is considered to be context aware if it utilizes the context in an effort to provide the appropriate information or service to the user where appropriate and significant information depends upon the requirement and need of the user” [1]. Sitou and Spenfelner pointed out that context aware application “seem to be particularly prone to problems related toa discrepancy between user expectation and system behaviour” [25]. In almost the same manner, a context aware system is recognized as a “system which uses any context information previous to, or in the duration of, service stipulations, whereas the main goal of this system is to track and identify the users” [3]. Context Aware Systems are different from traditional systems as they provide unique features such as heterogeneity, high complexity and artificial intelligence. Since the parameters that constitute a context aware system, such as location and time of the day are rapidly changing [32]. Thus the use and importance of context aware system is increasin...

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... payment, personal data and financial information that is not encrypted might be revealed to fraudulent persons. There must be trust between the buyer and the seller, but in e-commerce, customers are worried that dishonest dealers might send them the wrong product. There must be a system in place to ensure that the data being sent through any secure means are heavily protected. There is no doubt that e-commerce has made the exchange of goods and services easier but it also poses risks to both the customer and the merchant, in terms of security, safeguarding users’ privacy, trust and anonymity [2, 3]. The threat of e-crime is real risk, and conducting commercial activities over the Internet is still highly risky. This high risk is mainly becausethe Internet being an open and insecure environment. Performing fraud over the Internet is relatively easy; attacks can be performed from distant peer and can be executed automatically,entities may easily act under false identities and then become extinctafter the transaction. Also, dispute resolution over the Internet can be fairly difficult or even impossible at some points;especially inthese countrieswhere they do not have enough legal e-commerc...

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...2 53 51 43 9 I can get assistance and support quickly and reliably 14 55 38 62 68 13 The overall impression of the site 24 45 49 62 58 12 International Journal of Web & Semantic Technology (IJWesT) Vol.3, No.2, April 2012 11 service is another attractive feature suggested by a great deal of the clients. Many participants rose some issues related to the website security. In future work we can look to enhance the security related issues in these websites, especially the privacy and data confidentiality. Users’ data and privacy should not to be disclosed to another entities without their consent [14]. 5.4. Critical Current Website Review In this section the current Ahmad Abdul wahed Trading Co and Jarir websites will be investigated. The data that was obtained by direct observation of the users and by the questionnaire will be examined and considered. All the issues related to the user-centred approach, such as key human factors, have been incorporated in the newly proposed website design. The following points are some issues that were raised after testing the existing company website under study: • Ease of navigation: Smith and Merchant [15] stated that ease of navigation is the factor t...