Graduate Studies

Abstract:

Network Function Virtualization (NFV) and Software Defined Networking (SDN) have attracted many Telecoms operators to deploy them in the fifth Generation (5G) of mobile network infrastructure. Network Function (NF) decompositions were proposed to map traditional NFs into their corresponding Virtual Network Functions (VNFs) in order to deploy them flexibly in the NFV environment. This re-implementation of  large functions such as mobile core network function might lead to multiple paths service graph in the form of one traditional function to many VNFs with (expected) high number of virtual link interconnections. Therefore, it is expected that solving NFV Resource Allocation (NFV-RA) problem for service chains that contains multiple virtual paths will inherit the complexity of Virtual Network Embedding (VNE) problem, which was proved to be NP-hard. This study proposed a path mapping approach to solve the NFV-RA problem for decomposed Network Service Chains (NSCs). The problem was formulated as Integer Linear Programming (ILP). Then, two schemes were suggested to solve the problem with path mapping approach. One is an ILP-based scheme and the other is a heuristic scheme. Both schemes were simulated with 22 experimental scenarios. The results evaluation showed that the proposed approach has significantly enhanced execution time and embedding cost.

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Interesting on the research subject attributed to the fact that the researcher has worked for more than 15 years in volunteerism in the field of children and the environment surrounding them.
The years of volunteering were full of questions and observations that revolve around the results that have a positive impact on children because of the existence of many links between the educational fields with administrative fields that have an impact on moral and material profit which in turn effects on the other fields, especially the national ones and consequently on the ability to develop.
Perhaps one of the reasons that led the researcher to continue - despite all the challenges faced by the volunteer in the field of volunteering work, especially establishment of a civil society organization or institution, Happy Child Foundation, which the researcher considered a model for an applying study in this research - is her study in early age at a kindergarten in a foreign country called Czech Republic.
Where, in despite the length of time, the researcher still remembers the details of many activities they were doing, this is, perhaps because that the activities were distinctive and not repeated in the years that followed.
Those behaviors included how were the teachers receiving children and how they guided students to the importance of changing their uniforms by themselves and other behaviors, in addition to the teachers' attention to the details of activities by such as drawing, cutting and coloring and going out in trips, their participation in events, exercising sports on a daily basis and their weekly visits to other kindergartens.
Here the question is why all this attention to children in spite of they are still kids?! This question has grown up given the researcher's diverse interests andaspirations.
Is there really an impact of the adoption of children from India for involving them in space programs in America because that will enrich the Indian economy in the future?! Does, what has been done by the government in Australia of transferring mothers
with their babies to a new environment, due to the Government's confidence that this will make a qualitative developmental leaps in their country in the future?!
Isn't this similar to what happened to our Prophet Muhammad (PBUH) when Halima Al-Saadia took him to another environment?! and that was not only for the purpose of breastfeeding, but for the importance of growing up in another environment?!
Did America really discovered- after extensive studies - that one of the reasons for the success of Russia is the methods of raising their children from the first moment of their exit to life. Such saying that the way of wrapping babies by a piece of cloth leads to either open-minded or closed characters, and not wrapping the children - as Russians do - and dress them with regular clothes leads to openminded characters in the future?!
Is this what made America allocate huge budgets for early childhood education because it is a guarantee of competition and progress?!
Many questions were raised between the researcher's findings through her volunteering field work at the Happy Child Development Foundation, and the steps taken by developed nations, and our local and Arab reality. This is what prompted the researcher to frame the study with a "Happy classroom" and led to reach a scientific result in developing the skills and abilities of children in early childhood, linking it with administrative functions in the future, and put them in a scientific template characterized by a competitive advantage until flourishing the homeland up to its applicability at the regional or global level.

Therefore, the study contained all the topics related to the title and research objective, in addition to the importance of understanding the educational and administrative aspects that pave the way to understand the competitive advantage, and the importance of linking the behavior of children in early childhood and its supportive behaviors in the basic functions (planning, implementation, follow-up, evaluation, decision-making) in the future. In order to transform traditional education into education happily, this works in conjunction with the Ministry of Education to stimulate creative education and thus cooperate in bridging the educational gaps as much as possible.
The most important findings of the study is to frame the competitive advantage which means that all early childhood behaviors can be linked to their supportive administrative functions in business management and in other fields including planning, implementation, follow-up, evaluation and decision-making in the form of a happy classroom that would make qualitative shifts in the development of
human resources as required by the labor market, and it can be relied on the qualitative leaps in the process of moral and material production whether in the quality of goods or services.
Several recommendations have been listed to enrich the use of competitive advantage, the most important of which is to start teaching "Happy Classroom" in both kindergartens, schools and even universities and postgraduate studies as a prerequisite until cooperation in turning it into a curriculum of life helps to bridge the educational gaps related to the national production process.

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One of the most popular sort algorithms is Merge sort, although it suffers from some problems, the main problem of which is time complexity. For this reason, many algorithms were developed to enhance merge sort time complexity, especially in the best case. One of the natural merge sort algorithms enhancement is α-stack sort algorithm which has better performance than original merge sort and overcomes the merge sort best case problem. However, merge sort is still a powerful algorithm in parallel processing and external sort. In this study, a new version of merge sort called Divide-Runs Sort (DRS) algorithm is developed. The DRS algorithm takes advantage of original merge sort and α-stack sort algorithm. The DRS reduces time complexity of original merge sort and α-stack sort algorithm and it overcomes a parallel processing problem in α-stack sort algorithm and the best case problem in merge sort. The results show noticeable enhancement in time complexity -when dataset is random- comparing with benchmarks which reaches to 30% in sequential processing and 39% in parallel processing.

Keywords:  Sorting, Merge sort, Adaptive sort, Natural merge sort, parallel sorting, α-stack sort.

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The study aimed to identify the stress of work and its impact on job satisfaction from the point of view of workers in security companies in Yemen. For achieving the objectives of the study, the researcher used the descriptive method of both types: (survey, and correlative). The study community consisted of (4) security companies with (785) individual working in security services, the sample of the study has been selected by relative stratified random sample with (32.8%) of the study community amounting (258) employees working in the security functions- subject of study, data were collected in the field study using a questionnaire, analyzed by (SPSS) program.

The study reached a number of results, the most important of which:

Workers in security companies in Yemen expose a great deal of stress, it is the most among the various countries where these studies were conducted previously. The level of job satisfaction among employees is lower compared to previous studies. The study also found that work stress has an impact on job satisfaction, most security companies do not have permits, majority of employees do not have social insurance in the competent authorities, in addition, most workers are paid in local currency while they contracted in foreign currency as per their original contracts.

The study came up with a set of recommendations, the most of which:

The need to correct the situation of companies which do not have work permits, the necessity of establishing regulations governing the security services sector to ensure the rights of workers and to limit the control of the influential, owners and employers. Also, the importance of improving the system of wages and salaries in line with the economic situation. Furthermore, pay incentives and rewards to hardworking employees.

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This study aimed to identify the role of relationship marketing in achieving
competitive advantage in Private universities for application in the University of
Modern Sciences, and to achieve the goal of the study, the researcher used the
questionnaire tool. This is based on the use of the descriptive analytical approach,
where data were collected through primary and secondary sources, and the study
reached a set of results, it was The most important of them are:
The relationship of marketing with relationships in the University of Modern
Sciences was achieved at a high level, and the axis of competitive advantage in the
University of Modern Sciences was achieved at a high level, and there is a positive
correlation relationship with statistical significance between the dimensions of
marketing with the relationships represented by: (student database, methods of
communication with students, internal marketing) as an independent variable , And
the competitive advantage in the University of Modern Sciences as a dependent
variable, but it is variable, and the presence of a positive moral relationship with
statistical significance between the dimensions of marketing in relationships
represented by (methods of student communication, internal marketing) as
independent variables, and the competitive advantage as a dependent variable No
significant relationship and the impact of a statistically significant difference
between the students database variable, competitive advantage, the study came out
a set of recommendations, the most important:
he work of a training program to qualify employees in all areas, motivate
employees financially and morally, and develop a complaints box for students,
activate marketing research to know the needs and desires of students, in addition
to measuring the extent of student satisfaction with the services provided by the
university.

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The study aims to know the impact of the quality of e-banking services dimensions (ease of use, security, confidentiality, speed of response, reliability) in achieving competitive advantage, and the study population of customers using e-banking services in the Cooperative and Agricultural Credit Bank (CACBANK) In the capital city. The researcher used the descriptive analytical method in this study. In order to achieve the objectives of the study, the researcher developed the study tool (questionnaire) according to the theoretical framework, and its validity was verified by a committee of specialized arbitrators, and its reliability by checking the internal consistency of the instrument items by calculating the Cronbach alpha coefficient.  The instrument included (51) items to collect the initial data from the study population, which covered (384) respondents as an appropriate random sample, were tested by the Social Science Statistical Package (SPSS) program.

The study reached a number of results, the most important of which are:

1. The study found that the level of quality of electronic banking services in general in the Cooperative and Agricultural Credit Bank from the point of view of the study sample was high by 78% with a mean of (3.88), while the results of the study showed that the level of achievement of the overall competitive advantage in the Cooperative and Agricultural Credit Bank is high with a percentage of 75% with a mean of 3.76.
2. The confidentiality dimension of the Cooperative and Agricultural Credit Bank ranked first in the quality of e-banking services by a high rate of 81%, while the cost dimension ranked first in achieving the competitive advantage of the cooperative and agricultural bank from a sample point of view. The study was 78% higher.
3. The results showed that there was a statistically significant effect on the quality of e-banking services (ease of use, confidentiality, security, responsiveness, reliability) in achieving the competitive advantage of CAC Bank at the level of significance (α )0.05).
4. The results showed that there were no statistically significant differences at the level of (α≤0.05) in the study sample responses on the quality of e-banking services and the competitive advantage in CAC Bank due to gender variable.
5. The results showed that there were statistically significant differences at the level of (α≤0.05) in the study sample answers on the quality of e-banking services and the competitive advantage in CAC Bank due to the variable age.
6. The results showed that there were no statistically significant differences at the level of (α≤0.05) in the study sample answers on the quality of e-banking services and the competitive advantage in CAC Bank due to the variable of educational qualification.
7. The results showed that there were statistically significant differences at the level of (α≤0.05) in the study sample answers on the quality of e-banking services and the competitive advantage in CAC Bank due to the variable duration of the use of e-banking services.

Based on the above, the study concluded with a set of recommendations, the most important of which are:

1. The need to work on the continuous evaluation of e-banking services and quality so that the bank is able to know the deficiencies and avoid any errors or shortcomings.
2. Being attentive to the suggestions and complaints of customers would improve the quality of e-banking services. Thus, the bank must establish a section on complaints and suggestions, and assign a specialized team to review and address the complaints or raise them to the senior management.
3. Continuous improvement will enable the bank to cope with the changing needs of customers who always require more services.
4. Attention to marketing and promotional activities of electronic banking services, through which the bank can reach all levels of society and clarify the benefits and advantages of using electronic banking services and remove the awe and fear of dealing with technology.

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This study aimed to know the impact of departments' managers' ethics on stability of the work environment in Traffic department at Capital Secretariat-Sana'a. To achieve the objectives of the study, the descriptive analytical approach was used and the study community consisted of the Traffic department at Capital Secretariat-Sana'a and its affilited Traffic departments at the districts of the Capital Secretariat-Sana'a.
A random sample was taken from the study community with a rate of 20% for quantitative measurement of the sample's opinions. The questionnaire was used as a tool of the study، the primary data was statistically processed by (SPSS). In light of the results of the analysist, the study reached a set of findings، the most important of which are:
The level of compliance of department managers with basic work values، ethics and professionalism and organizational principals was average and had a positive impact on the stability of the work environment. The degree of stability of the work environment was average but closer to low in terms of job satisfaction and job discipline. There is a positive correlation between the axes of the independent variable and the dependent variable. There is also a statistically significant effect of the independent variable (managerial ethics) on the dependent variable (work environment stability)
In light of the previous results، the study concluded a set of recommendations، the most important of which are:
The necessity of training the traffic staff on work ethics، activating the regulations and controls on the traffic department of the Capital Secretariat-Sana'a and maintaining ethical standards. When appointing the managers, thier CVs should be investigated well. Training traffic staff continuously in order to promote appropriate principles for respecting work, for the public interest and for stability of the work environment. Pay attention to the material and moral aspects which lead to increase the level of satisfaction among traffic staff. Develop special code of conduct for traffic departments at the Capital Secretariat-Sana'a and ensuring to be disseminated and activated.
Key Words :
Work Ethics - Internal Work Environment - Job Satisfaction - Job Discipline, Traffic Department of the Capital Secretaria-Sana'a.

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The study aimed to measure the impact of management leadership patterns with their centerpieces (autocratic leader pattern، democratic leader style، transformative leader style، free leader style) and the prevailing organizational culture including (organizational values، organizational beliefs، regulatory norms، regulatory expectations) on the application of electronic management in Yemen Mobile co. In this study، The researcher used the analytical descriptive approach as well as  the questionnaire as a study tool consisting of (224) individuals as a simple random sample and it included (71) sections to collect preliminary data from the study community، in order to achieve the objectives of the study in accordance with the theoretical framework of the study، and accordingly the data were collected and analyzed and hypotheses were tested، and the statistical program (SPSS) was used to process and analyze study data.

The study has reached a set of results، the most important of which are the following:

1. The level of management leadership patterns prevailing in the company from the point of view of the study sample members was average by 62% and with a mathematical average (4.34). The pattern of the autocratic leader had the supreme percentage of all types of leadership، where the results showed that the level of the pattern of the autocratic leader is somewhat high by 73%، followed by the style of the free leader by 63%، followed by the pattern of the democratic and transformative leader by 56%.

2. The results، according to the opinions of the study sample members، showed that the level of organizational culture in general at Yemen Mobile Co is average by 58% and with an average calculation (4.05) and the theme of the organizational beliefs was the highest among its counterparts of Changing organizational culture theme by 60%، followed by the organizational values and regulatory expectations themes by 58% and finally the regulatory customs theme by 56%.

3. The results of the study according to the opinions of the study sample members showed that the level of application of electronic management in The Company Of Yemen Mobile was fairly high by 65%، and the information  security and protection under e-management theme had the highest ratio of 72%، followed by the availability of the infrastructure of electronic management theme by 69%، followed by training and improving employees’ levels theme by 60%، and finally came the center of development of administrative management theme gradually by 59%.

4. There is a positive correlation between the management leadership patterns and the application of electronic management in Yemen Mobile Company and there is a positive correlation between the prevailing organizational culture and the application of electronic management in Yemen Mobile co.

5. The results of the study showed an impact between the prevailing leadership patterns and the application of electronic management in The Company of Yemen Mobile، where the autocratic pattern was higher than the rest of the styles and therefore would have a higher impact on the application of e-management than the rest of the patterns.

6. The results of the study showed an impact between the prevailing regulatory culture (regulatory values، regulatory beliefs- regulatory norms - regulatory expectations) and the application of e-management at Yemen Mobile co.

The study concluded with a set of recommendations، the most important of which are:

1. The researcher recommends that the management of the company pay attention to the (democratic) style in order to be an alternative to the autocratic and free style، and work to promote the organizational culture of the company by paying attention to the promotion of (organizational values - organizational beliefs - regulatory norms - regulatory expectations) among all employees of the company.

2. The management of the company has to enhance and take care of the infrastructure of the application of electronic management continuously.

3. Paying more attention to the importance of the information and its protection، and make the electronic management one of the most important objectives that the company seeks to apply and achieve the maximum benefit from.

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This study aims to know the current reality of technical education outputs from the industrial production mechanics departments of industrial business organizations of the most important professional and personal skills that employers monitor in industrial business organizations, the most important recommendations and proposals submitted by employers to improve the outputs of technical education and vocational training from the departments of industrial production mechanics. and to know the most important recommendations and proposals submitted by employers in business organizations, and the recommendations can contribute to improving the outputs of technical education,
In order to achieve the objectives of the study, the descriptive analytical approach was used to study the study problem, Preliminary data were collected for the study using the questionnaire tool and that is from the study sample represented by employers in industrial business organizations working in the field of production mechanics, 85 questionnaires were distributed, 78 questionnaires were retrieved and 12 of them excluded.
The questionnaire data was statistically processed using the SPSS program and the following statistical tests were used: (Alpha Cronbach coefficient - standard deviation - arithmetic averages - repetitions - ANOVA test one way), Finally, the study reached a set of results, the most important of which are:
• The current reality of technical education outputs in industrial business organizations has emerged at an medium level.
• Mastering the technical education and vocational training outputs in the field of industrial production of the professional skills at a medium and good level except for the modern professional skills needed by the labor market, which are 3 skills that appeared at a low level and those outputs possess intermediate and good interpersonal skills, except for English language skill only that appeared at a low level.
• The employers mentioned the most important obstacles that prevent the acceptance of technical education and vocational training outputs to work in business organizations, Is that the graduates of technical education are newly graduates and do not have practical experience.
• Employers have made a number of recommendations that contribute to improving the quality of technical education and vocational training outcomes.
In the light of the previous results, the current study has reached a set of recommendations the most important of which is the necessity of establishing a true partnership between business organization and technical education and vocational training institutions through cooperative training, exchange of experiences and employment of graduates.

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The present study aims to measure the impact of information systems on strategic decision-making in private universities in Yemen, Sana'a. In order to achieve the objectives of the study, the researcher used the descriptive and analytical methods to collect information from different sources related to the subject of information systems and decision-making, previous studies. The researcher targeted six private universities, where the number of distributed questionnaires reached to (150) questionnaires; (139) were used at a rate of 92.7%, and (7) invalid questionnaires were excluded because they are not valid for the study. The questionnaire was distributed directly to the study sample to achieve the purposes of the study at all the different administrative levels.

In order to obtain more accurate results, the process of analyzing the data was carried out by applying the appropriate statistical methods according to the nature of the data and the objectives of the study, using the SPSS24 statistical program for social and statistical sciences.
The study reached to a set of results where the most important ones are:
Yemeni universities in the private sector move fast towards the automation of their administrative work, and this is reflected positively on the ease of obtaining information quickly, correctly and with high quality, which helps and provides managers in making strategic decisions. Moreover, private universities in the past five years began to care and focus on the importance of using Information Systems at all different administrative levels. Thus, the study found out that most strategic decisions are still not built in the required form, due to the lack of information in the correct and required form, and the lack of awareness of the decision-maker on the importance of using information systems.
The study came out with a set of recommendations, the most important of which are:

More attention should be paid on the importance of using information systems at all administrative levels in universities.
There is a strong need to quickly use automation in all the administrative work in each department of the university.
Workshops and courses on the importance of how to use information technology at all administrative levels should be held. 
More authority in decision-making should be given to the rest of the administrative levels.
Steps and methods of strategic decision-making should be reconsidered.
More focus should be paid on the advancement of information technology on the value of information, the stages and steps of decision-making.

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Master's thesis in the Business Administration Program of the researcher / Samir Ahmed Haider Muhammad Al-Wasabi about his thesis tagged with: Administrative Empowerment and its impact on job performance in Yemeni private universities.

 

 

Abstract:

The study aimed to measure the relationship between time management and job performance in the Sana'a and Al Jawf appeals courts by determining the level of time management applied to their employees and their level of performance and identifying a statistically significant relation between the dimensions of time management and performance, and the presence of
statistically significant differences at the level of (05.0> p) due to the variables of the study (sex - age - scientific qualification - degree - years of service).
The study was composed of all the employees of the Court of Appeal of the Sana'a and Al-Jawf Governorates (155). In order to collect the data and information needed for the study, a questionnaire was constructed as a tool for study.
Of the validity and stability, which was distributed in a comprehensive inventory of all the vocabulary of the study community because of its limited, and after the collection of them were conducted statistical treatments using the statistical package for social sciences (SPSS).

In light of this, the study reached a number of results, the most important of which are:

1. The sample agreed that there was a high level of time management in the Sana'a and Al-Jawf appeals courts where the average was 3.95 and a standard deviation (0.878) and a percentage (78.9%).
2. The seconddimension (time organization) ranked first, Third (time routing) to the last place at the level of time management axis.
3. The respondents agreed that there is high performance in the Sana'a and Al Jawf appeals courts where the average reached (4.42) and (88.4%); the fourth dimension (quality of performance) ranked first and the third dimension At the level of the functional axis.
4. There is a (very strong) correlation between the dimensions of time management and job performance at (05.0).
5. There were statistically significant differences at the level of significance (0.05) between respondents' responses to (time management and job performance) due to gender variable, and these differences were in favor of males.
6. There are no statistically significant differences between time management and job performance due to the variable (age scientific qualification - functional grade - years of service).

The study made several recommendations, the most important of which are:

1. The Court shall promote the awareness of employees of the importance of time management and ensure that the resource of time is upheld and its importance while taking the necessary measures to raise the level of performance.
2. Address the imbalances in the implementation of the rules and laws of the Court and work on follow-up and continuous control.
3. Preparation and implementation of an integrated system of legal and administrative controls, in which the conditions, standards and controls should be tightened and regulated to stop the case of disqualification and the accumulation of cases (the volume of performance) in the processes and procedures for deciding cases.
4. Preparation and implementation of training and development programs for leaders and employees of the Court of Appeal (time management) locally and externally that the training and scientific qualification of competencies helps to improve performance and speed of completion.
5. Expanding the number of people and judges in the Tribunal, which would raise the level of achievement to fit the number of people and the number of judges to cover all judicial services.
6. Create a functional atmosphere that helps workers to accomplish their work entrusted to them quickly and quality.
7. The administrative leadership should abandon the centrality of the authority by delegating it to carry out the routine work and focusing on important work and activities.

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This study has aimed to clarify the role of the balanced scorecard in improving and developing the performance of languages teaching centers،  as most of these centers don't know the nature of the card and its importance،  especially in educational institutions in all developing countries،  as well as Arab world countries. The balanced scorecard has five perspectives: the financial perspective،  the customers one،  operations،  learning and growth and social one. The study tries to highlight the role of the card with its five perspectives in evaluating and improving the general and comprehensive performance in the Translation and Language Teaching Center - Sana’a University. To achieve the objectives of the study and test its hypotheses،  the descriptive analytical method was used. The questionnaire was used to collect data،  and the study population represented all employees (administrative and teachers) in the center. A questionnaire (89) was distributed individually،  and (85) questionnaires subject to statistical analysis were retrieved. The study reached several results،  including:

1) The level of interest in applying the Balanced Scorecard in the Language Center has been middle،  and has come to 65.5%. All card perceptions are available in relatively different degrees. They came in the following order (customer،  financial،  internal operations،  learning and growth،  social).

 2) There is a statistically significant role for applying the balanced scorecard in improving the performance of the Translation and Language Teaching Center.

3) The effect of the Balanced Scorecard perspectives on improving the performance of the translation and language teaching center is uneven. The financial perspective had the highest impact in improving the performance of the translation and language teaching center،  followed by the customers،  followed by the internal operations،  followed by the learning and growth،  and the social came in the final place. The study has come out with several recommendations،  the most important of them are:

1- The need to adhere to the application of the balanced scorecard in all activities and functions of the center.

2-Increasing attention to customers(learners) and responding to their requirements،  by constantly working to improve the nature of the services it provides to them with the aim of retaining them.

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A study summary

This study aimed to identify the role of business  ethics and social responsibility in achieving  Competitive advantage in banks operating in the Republic of yemen on Cooperative Agricultural Credit Bank (General administration).

The sample of the study consisted of all employees on th (General administration).whose number is (320), out of the study of population of (700). The researcher used the data were  collected using the questionnaire as a tool to collect data from the members of the study sample.

After distri bating the questionnaires,(275) questionnaires were retrieved ,and (8) questionnaires were excluded from them because they are not valid for statistical analy sis ,and by 38% and after entering data into the computer and performing statistical processing with the statistical program (spss).

The study reached several results:

*- The result of the study showed that the level of business ethics reperesented by its dimensions :(Independence,objectivity, honesty, integrityand transparency)

Is highly in the Agricultural . Cooperative Credit Bank.

*-the result of the study showed that the level of social responsibility represented and its dimensions  ( towards castonees ,towards the environment and towards societ )is highly in the Agricultural Cooperative Credit Bank.

*-The result of the study showed that ,there is a role in business ethics and social responsibility in achieving competitive advantage in the Cooperative Credit Bank.

*- In view of results of the study , the most important  recommendation were presented

*-The need for the government to encourage banks to involve business ethics and social responsibility through laws and rules that allow them to exempt from taxes or grant them privileges

*-The need for

Banks to establish Civil society in stitutions and increase their contribution to thw establishment of service ,recreation and health facilities ,and not only to provide  contributions

That are not more than charitable or social

*-The necessity for banks leadership to understand the elements   and principles of  business ethics and social responsibility ,as it is one of the most important pillars to ensure the success   and sustain ability of banks in light of internal  and external environment.

Abstract:

Nowadays, personalization of web field is growing exponentially from                e-mail, e-trading, internet forums to social networking based websites directly or indirectly to utilize web personalization and recommendation system for providing customized services to their users. Successful businesses is growing through adopting most suitable approaches that analyze the customer’s behaviors to provide them with the services according to their behaviors. So web personalization systems have been established to enhance user’s experience that stored in the "user profile". Performance of Web personalization systems depends on building the user profile efficiently to capture the user’s interests and reflect them to provide him with most useful services. Actually, various valuable browsing patterns happen repeatedly during a specific period of time. During other time periods this can depict the user surfing habits.

Regular web personalization utilization is using the regular web usage mining activities that do not depend on the user's present browsing information. This can be largely ambiguous and eventually which result in constraining the personalization process and recommending irrelevant services and items over time. Periodic web personalization approaches simply can be an intermediate web page prior to the current browsing to reach the requested page.

Many methods for building the user profile are available that neglect the dynamic nature of the user interests. In this thesis, a solution this problem through   novel approach to extract interesting patterns that occur during the user's interaction with different resources through browsing period, its "browsing patterns". This approach should be able to track the changes in user interests that called periodic user profile, and based on these patterns, the appropriate services are provide to the user.

In this thesis, an approach is proposed for Periodic browsing patterns extracted at each browsing period and evaluated by a novelty measure, whether these patterns are novel or not, based on the new patterns, the model is updated. Thus, the user profile built dynamically and incrementally.