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Similarity Identification and Measurement Between Two Web Ontologies

Thesis Info

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Author

Farooq, Amjad

Program

PhD

Institute

University of Engineering and Technology

City

Lahore

Province

Punjab

Country

Pakistan

Thesis Completing Year

2009

Thesis Completion Status

Completed

Subject

Computer Science

Language

English

Link

http://prr.hec.gov.pk/jspui/handle/123456789/169

Added

2021-02-17 19:49:13

Modified

2024-03-24 20:25:49

ARI ID

1676727834662

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Nowadays, the web is the main collection of information resources but the retrieval of relevant and precise information from the web is a serious problem. The reason of this problem is the way web-contents are stored and formalized. With the realization of the ontology-based web, it is being tried to overcome this problem, but the ontologies may themselves suffer from heterogeneity when they are simultaneously used. Then, a need arises to identify and measure the similarity between concepts of those ontologies to overcome the said problem. Many investigators did work on this problem but still some issues need to be addressed. In this dissertation, a semi-automatic technique has been proposed for similarity identification and measurement between two web ontologies. The explicit semantics of concepts, in addition to their linguistic and taxonomic characteristics, is the key consideration and feature of the proposed technique. This proposed technique identifies all candidate pairs of similar concepts without omitting any similar-pair. The semantic relations and degree of similarity computed from new criteria, make the technique well-suited with the theme of semantic web. This technique can be used with different types of operations on ontology such as merging, mapping and aligning. We have implemented the proposed technique in Java, and validated it through different case studies. By comparing and analyzing the results of these case studies, a reasonable improvement in terms of completeness, correctness and overall quality of results, has been found.
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حمیدؔ صدیقی[زائر حرم]

حمید صدیقی
افسوس ہے کہ گذشتہ مہینے زائر حرم حمید صدیقی نے وفات پائی، وہ اس دور کے بہترین نعت گو تھے ان کی نعتیں محض شاعرانہ صناعی نہیں بلکہ سچے جذبات اور دلی کیفیات کی ترجمان ہیں، وہ جیسی پاکیزہ نعتیں کہتے ویسے ہی ترنم سے پڑھتے بھی تھے، ان کی نعتیں صاحب نعتؐ کی بارگاہ میں اتنی مقبول تھیں کہ ان کو دس بارہ مرتبہ آستان نبوی کی حاضری سعادت حاصل ہوئی طبعاً بھی بڑے مہذب اور شریف تھے، ادھر عرصہ سے ان کی صحت خراب رہتی ایک دن معلوم ہوا کہ ریاض نبوی کا زمزمہ سنج باغ رضوان میں پہنچ گیا، اﷲ تعالیٰ مدحِ نبویؐ کے طفیل میں ان کی مغفرت فرمائے۔
(شاہ معین الدین ندوی، مارچ ۱۹۶۵ء)

Why I left and why I want to leave: A Phenomenological Perspective of Asian Employees Turnover

The current research was conducted to explore the possible causes of actual employee turnover and turnover intentions. Using Post positivism research philosophy, phenomenological qualitative research method was used to explore the phenomena. Semi-structured interviews of 21 bank employees (selected using purposive sampling) were conducted which were analyzed using NVivo 12. The research findings suggest many uniques themes in order to overcome the problem of employee turnover, especially for banks. The themes which were developed consisted of five significant themes such as the bank appraisals and reward system was identified as biased and based more on favoritism, employee feel that their actual performance is not evaluated properly and sincerely. The other factor concluded by the research findings is that the employees are dissatisfied with the salary and benefits, as they felt that there should a consistent effort to identify employee personal needs which should be customized accordingly in their compensation plans as well. The very essential factor recognized in the research finding was the upward and downward communication gaps with the employees. Such perceptions generated related issues as the employees felt that branches are much deprived to have a direct communication channel with the top team heads. The other very essential factor discovered after the investigation of the phenomena of turnover is lack of career growth. Lastly, another important cause of employee turnover was the transfers, which took place without the consent of the employee. Employees felt demotivated due to such transfers and changes in their work locations. Recommendations and future research directions have been at the end of the research

Patterns of Balance of Power in South Asia: Implications for Regional Peace and Security Post 9/11 Analysis

Realist scholars pay attention to the concept of power and balance of power since centuries. Despite having economic and military power, states acquire nuclear weapons, which leads to nuclear deterrence. In South Asia, where it is fluctuating and disturbed four times but since 1999, it is stable due to nuclear factor. Besides other factors, major contributing factor for disturbed balance of power is the Kashmir issue. Due to the persistency of conflict, the region experienced wars, which disturbed patterns of balance of power. Afghanistan factor and major powers presence will ultimately affect regional peace and stability. But prospects of future warfare at any time are not out of question. It will depend on the success and failure of deterrence and the role of extra regional powers. Despite economic and strategic interdependence, Pakistan and India have security dilemma of each other which has been a motivating factor for their nuclear programs. Besides this, Pakistan-China close military and nuclear cooperation and US-India military cooperation especially after Indo-US nuclear deal of 2006, failure of CBMs both bilateral and multilateral, and Indian ambitions to become major regional power and to seek UNSC and NSG membership are other disturbing factors for stable deterrence. Kashmir is such conflict which started on the basis of denial of human needs like security, identity, recognition and personal development. Kashmir issue an enduring rivalry between two states has become more complicated due to the involvement of non state actors means it is international issue especially after involvement of extra regional powers. Pakistan-China military collaboration, US tilt towards India, nuclear factor and water issue are major hindrances in resolving it. Afghanistan has provided space for outside interventions due to its geostrategic location and ethnic divide. 9/11 incident brought it in the policy framework of US. Taliban factor and rise of Islamic fundamentalism are major factors for US greater engagement in Afghanistan. But Pakistan-Afghanistan’s diverging relations are equally disturbing element for regional stability. India is more involved in improving its image through diplomacy and infrastructure development in Afghanistan. China is also interested in stabilized Afghanistan because of uprisings in Xinjiang province. NATO and UN are to some extent successful in peace keeping in Afghanistan but EU role is less effective. Concept of security has transformed after the rise of non state actors. In realist perspective, security of South Asian major states-Pakistan and India is based on their threat perception of each other. Having experienced of offensive realism four times, now these states are experiencing defensive realism since 1999. Balance of power depends on their offensive and defensive nature of warfare. Although, balance of power concept is not applied to non state actors due to non state entity. Regional balance of power can be analyzed in terms of Regional Security Complex Theory. Geographical proximity of states effects state security more than states in other regions. Therefore, Pakistan is more affected by Indian security policies and vice versa rather than security policies of states outside the region. Afghanistan is important in this complex as a buffer state. Regional Complex can be disturbed due to internal transformation and external transformation. Internally, patterns of amity and enmity are important. In Pakistan-India case, despite their enmity due to their strategic interdependency, they are bound in this system. Externally, extra regional powers influenced this complex. At regional pattern of enmity due to Pakistan-India rivalry is major challenge. At global level, Afghanistan factor, rise of Islamic fundamentalism, rise of India, US- China economic rivalry are some of the challenges. Three types of terrorist organizations are posing challenge to South Asia. These are interest based, state sponsored and area claimed like Al Qaeda, ISIS and ISIL. Nuclear terrorism has become major concern due to rise of terrorist organizations and fear of possession of nuclear weapons by them from any source. South Asian hostile relationship model provides favourable environment for nuclear terrorism. There are prospects of nuclear terrorism in South Asia due to Pakistan-India rivalry, shifting nuclear postures of both states, role of US and its fluctuating relations with Pakistan and ultimate tilt towards India, China’s role in South Asia, Pakistan-India-China and US threat perception of each other. In South Asia, China’s support to Pakistan in military and nuclear fields and its rivalry with India on Indian Ocean, tilted US policy towards India in same context. The persistent involvement of major powers like Britain, Russia, US or China due to Kashmir issue and Afghanistan factor have disturbed balance of power. Phenomenon of stable nuclear deterrence is challenged by rise of terrorist organizations and is affecting regional peace and security. Moreover, alliance patterns of US-India and China and Pakistan are more disturbing. In such situation, human security is ignored and even it is not prime agenda of states. South Asian peace and security depends on US effective role to bring Pakistan and India to nuclear policies. Kashmir can only be resolved, if proper mechanism will be provided and with inclusion of Kashmiri’s voice. Border management between Pakistan and Afghanistan which was not paid much attention should be given priority. Due to nontraditional threats (terrorist organization) peace and stability of the region is threatening. In this regard having realized the sensitivity of the issue, Pakistan and India should adopt a common agenda.