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استعمال انحدار الاسقاطات المتلاحقة و الشبكات العصبية في تجاوز مشكلة البعدية
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المستخلص يهدف هذا البحث الى تجاوز مشكلة البعدية من خلال طرائق الانحدار اللامعلمي والتي تعمل على تقليل جذر متوسط الخطأ التربيعي (RMSE) , أذ تم  استعمال طريقة انحدار الاسقاطات المتلاحقة  (PPR)    ,والتي تعتبر احدى طرائق اختزال الابعاد التي تعمل على تجاوز مشكلة البعدية (curse of dimensionality) , وان طريقة (PPR) من التقنيات الاحصائية التي تهتم بأيجاد الاسقاطات الاكثر أهمية في البيانات المتعددة الابعاد , ومع ايجاد كل اسقاط تتقلص البيانات بواسطة المركبات الخطية على طول الاسقاط ويتم تكرار العملية لايجاد اسقاطات جيدة لحين الحصول على افضل الاسقاطات والفكرة الاساسية لانحدار الاسقاطات المتلاحقة (PPR) هو نمذجة الانحدار المتعدد كمجموع للدوال غير الخطية للتراكيب الخطية للمتغيرات . ومن اجل التخلص من مشكلة البعدية تم استعمال اسلوبين الاسلوب الاول طريقة انحدار الاسقاطات المتلاحقة (PPR ) المقترحة والاسلوب الثاني طريقة الشبكات العصبية ( NN ) المتمثلة ( بالانبعاث الخلفي للخطأ )  وهي من الطرائق المستخدمة في اختزال الابعاد , وقد تم اجراء دراسة محاكاة للمقارنة بين الطرائق المستخدمة  وتم التوصل من خلال تجارب المحاكاة الى استنتاجات بينت ان الطريقة (NN) في هذا البحث اعطت نتائج افضل مقارنة بطريقة ( PPR )  اعتمادا على معيار جذر متوسط مربعات الخطأ (RMSE).

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Publication Date
Tue Mar 15 2022
Journal Name
Al-academy
Transformations of the body from traditional expression to subjectivity : Marina Abramivic as a model.
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The way artists deal with body in their artistic works has had so many forms and methods, whether as an object for their drawings or as a material to create live artistic performances that relate to the idea of correspondence and interaction between different artistic categories such as: drama, dance, and painting as it is the case of the artist Marina Abramovic who has always used her body as an artistic unit to generate meaning and to perform her lively shows.
To go deeper into her career, our work was divided into 3 sections:
The first section was devoted to follow the main artistic stages that her body had gone through, starting with paintings she performed using concepts based on acting, simulation and nudity and ending wi

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Publication Date
Mon Apr 01 2019
Journal Name
Journal Of Educational And Psychological Researches
The Effectiveness of a Teaching Strategy Based on the Cognitive Model of Daniel in the Development of Achievement and the Motivation of learning the School Mathematics among the Third Intermediate Grade Students
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This research aims to examine the effectiveness of a teaching strategy based on the cognitive model of Daniel in the development of achievement and the motivation of learning the school mathematics among the third intermediate grade students in the light of their study of "Systems of Linear Equations”. The research was conducted in the first semester (1439/1440AH), at Saeed Ibn Almosaieb Intermediate School, in Arar, Saudi Arabia. A quasi-experimental design has been used. In addition, a (pre & post) achievement test (20 Questions) and a (pre & post) scale of learning motivation to the school mathematics (25 Items) have been applied on two groups: a control group (31Students), and an experimental group (29 Students). The resear

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Publication Date
Sun Apr 01 2018
Journal Name
Journal Of Economics And Administrative Sciences
Designing and Application of Mathematical Model A Multi – Objectives for Assessment The Quality Of The Project : A Case Study at Saad Public Construction Company
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Abstract

This research aims to design a multi-objective mathematical model to assess the project quality based on three criteria: time, cost and performance. This model has been applied in one of the major projects formations of the Saad Public Company which enables to completion the project on time at an additional cost that would be within the estimated budget with a satisfactory level of the performance which match with consumer requirements. The problem of research is to ensure that the project is completed with the required quality Is subject to constraints, such as time, cost and performance, so this requires prioritizing multiple goals. The project

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Publication Date
Tue Feb 14 2023
Journal Name
Journal Of Educational And Psychological Researches
Comparative Study in Attitudes towards the Covid-19 Vaccine According to Locus of Control (Internal - External) of University Students
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Abstract

The current research aims to identify the attitudes towards the Covid-19 vaccine and the Locus of Control (internal, external) among university students, to identify the significance of the difference in attitudes towards the Covid-19 vaccine, the significance of the difference in the Locus of Control (internal, external) according to the gender variable (male, female), and to identify the significance of the difference in students’ attitudes towards Covid-19 vaccine according to the Locus of Control (internal, external). To achieve the objective of the research, the researcher developed two scales, a scale of (20) items to identify the attitudes toward a covid-19 vaccine, and a scale of the locus of c

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Publication Date
Mon Feb 14 2022
Journal Name
Journal Of Educational And Psychological Researches
Psychological alienation in relation to the motivation of achievement among incoming teachers in the schools of Dhofar Governorate
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The present study aimed at identifying the level of psychological alienation and motivation of achievement among the incoming teachers in the schools of Dhofar Governorate in the Sultanate of Oman a well as to explore the correlation relationship between psychological alienation and motivation of achievement. The sample of the study consisted of (238) expatriated teachers from Al- Dhofar Governorate in Oman who were selected randomly. The psychological alienation scale and the motivation of achievement scale for teachers were used by researchers and were conducted electronically by google forms. The data were processed statistically using the Statistical Package for Social Sciences (SPSS). The results showed that the level of psy

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Publication Date
Wed Oct 18 2023
Journal Name
Iraqi National Journal Of Nursing Specialties
Impact of an Educational Program upon Academic Nurses’ Practice Concerning Documentation of Nursing Sheets in the Medical and Surgical Teaching Hospitals of Sulaimani Governorate
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Objectives: The study objectives are to determine the impact of education program upon the academic nurses'
practice concerning documentation of nursing sheets, and to find out the relationship between nurses knowledge
and their demographic characteristics, which include age, sex, and years of experience in medical and surgical
wards.
Methodology: A quasi- experimental study was carried out at the medical and surgical wards in teaching
hospitals in Sulaimani governorate from the beginning of March up to June 2007٠
To reach the objectives of the study anon-probability (purposive) sample of (25) academic nurses who work in
the medical and surgical wards in teaching hospitals.
The data were collected through the use

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Publication Date
Sat Jun 04 2022
Journal Name
Al–bahith Al–a'alami
The Media Image of Afghan Women as Reflected by News Websites in 2021: an Analytical Study of Russia Today site
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International news websites, including Russia Today, pay special attention to the media image of Afghan women, especially after the Taliban movement took control of Afghanistan. Therefore, it was necessary to know the image of the Afghan woman, the fate of the rights she acquired in recent years, and the transformations that affected her after the Taliban took control of the government, and studied them on international news sites, specifically Russia Today.

          The researcher summarized the problem of this study in the following question: What is the media image of the Afghan woman on the Russia Today news site?

         

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Publication Date
Mon Oct 01 2012
Journal Name
Al–bahith Al–a'alami
Internet and Press Blogging
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The emergence of the Internet and its transformation in the early nineties of the last century led to a means of mass communication that brought about significant structural changes in the media map.

Over the course of historical development, the public did not engage the media in its behavior in the implementation and dissemination of an idea, generalization or theory put forward by media experts or practitioners through these means to do it. Blogs represent the most important service provided by the Internet in recent years which has gained special importance in the media field. Where the word “Blogs” has several names: (alternative media), (blogging press), (popular press) and other names.

The medi

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Publication Date
Sat Dec 31 2022
Journal Name
Iraqi Journal Of Market Research And Consumer Protection
AREAS OF ORGANIZATIONAL CHANGE AND THEIR IMPACT ON THE STRATEGIC MARKETING PLANNING PROCESS: AREAS OF ORGANIZATIONAL CHANGE AND THEIR IMPACT ON THE STRATEGIC MARKETING PLANNING PROCESS
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ABSTRACT

            The aim of the research is to identify the impact of the areas of organizational change in strategic marketing planning in cement factories operating within the city of Al-Khums, and this effect was measured using a questionnaire consisting of 28 phrases, and it was relied on the descriptive approach that suits the nature of the subject of the research, while the research community consists of heads And members of the board of directors, authorized managers, unit managers and heads of departments in the factories under study, which numbered 55 respondents, during the month of September of the year 2021, and a sample of the compreh

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Publication Date
Tue Jan 27 2026
Journal Name
Al–bahith Al–a'alami
Topics of Women in the Iraqi Newspaper (Al- Sabah): (Feminist Approach)
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The search tried to achieve a major scientific goal represented by (Knowing the perspective that has been treated through press releases of woman articles in Al- Sabah newspaper), via:

  1. Specifying the rate of woman topics in Al-Sabah newspaper, compared with the other subjects.
  2. Revealing the nature of the topics of the woman that the newspaper dealt with.
  3. Identifying the ID of journalistic-product that dealt with the woman topics.
  4. Knowing the journalistic arts that the woman topics have been treated by.
  5. Standing on the cases which woman topics concentrated on, through Al-Sabah newspaper.

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