doi:10.24996/ijs.2019.60.8.21

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Publication Date

Mon Aug 26 2019

Journal Name

Iraqi Journal Of Science

Volume

60

Issue Number

8

DOI

10.24996/ijs.2019.60.8.21

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Finding Best Clustering For Big Networks with Minimum Objective Function by Using Probabilistic Tabu Search

Fuzzy

C-Means

Tabu

Clustering

Network

Facebook

Ali Falah

Basad

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Fuzzy C-means (FCM) is a clustering method used for collecting similar data elements within the group according to specific measurements. Tabu is a heuristic algorithm. In this paper, Probabilistic Tabu Search for FCM implemented to find a global clustering based on the minimum value of the Fuzzy objective function. The experiments designed for different networks, and clusterâ€™s number the results show the best performance based on the comparison that is done between the values of the objective function in the case of using standard FCM and Tabu-FCM, for the average of ten runs.

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Publication Date

Sun Sep 06 2009

Journal Name

Baghdad Science Journal

Study and Analysis the Mathematical Operations of Fuzzy Logic

"Fuzzy Set Theory

Full membership

Non-Membership

Contained

Strictly Contained

Absolute Complement

Relative Complement

Union

Intersection

Symmetrical Difference

Boolean Sum

Algebraic Product

Algebraic Sum

Direct Sum."

Muna Hadi

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The last decade of this 20th century provides a wide spread of applications of one of the computer techniques, which is called Fuzzy Logic. This technique depends mainly on the fuzzy set theory, which is considered as a general domain with respect to the conventional set theory. This paper presents in initiative the fuzzy sets theory and fuzzy logic as a complete mathematics system. Here it was explained the concept of fuzzy set and defined the operations of fuzzy logic. It contains eleven operations beside the other operations which related to fuzzy algebra. Such search is considered as an enhancement for supporting the others waiting search activities in this field.

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Publication Date

Sat Jan 02 2021

Journal Name

Journal Of The College Of Languages (jcl)

The morphological and syntactic grammes of the category of temporality: Морфолого-синтаксический состав категории темпоральности в русском языке

Grammars

time categories

time category

morphological time category

means of formal expressions

forms of time verbs

syntactic category of time

sentence

modality

predications.

граммемы

категории темпоральности

категория времени

морфологическая категория времени

формальные средства выражения

глагольные формы времени

синтаксическая категория времени

предложение

модальность

предикативность

Firdos Karim

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The present paper discusses morphological and syntactic structures of time in Russian language. The morphological and syntactic structures are considered part component of time category in Russian language.

The morphological categories of time are formed through a various types of expressions .Tenses generally express time relative to the moment of speaking. In some contexts, however, their meaning may be relativized to a point in the past ,present or future which is established in the discourse .Some languages have different verb forms or constructions and that are opposed in meaning not in syntactic category. Hence, the present study traces and compares the syntacti

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Publication Date

Wed Jan 20 2021

Journal Name

Ibn Al-haitham Journal For Pure And Applied Sciences

Î±g_á»Š-open sets and Î±g_á»Š-functions

Î±g_á»Š-closed set

Î±g_á»Š O-functions

Î±g_á»Š C-functions

Î±g_á»Š-continuous function

Strongly Î±g_á»Š-continuous function

Î±g_á»Š-irresolute function

ideal.

Sufyan

R.

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The objective of this paper is to show modern class of open sets which is an -open. Some functions via this concept were studied and the relationships such as continuous function strongly -continuous function -irresolute function -continuous function.

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Publication Date

Tue Jan 25 2022

Journal Name

Iraqi Journal Of Science

Semi (1, 2)*-Maximal Soft (1, 2)*-Pre-Open Sets and Semi (1, 2)*-Minimal Soft (1, 2)*-Pre-Closed Sets In Soft Bitopological Spaces

(1

2)*-maximal soft (1

2)*-pre-open set

(1

2)*-minimal soft (1

2)*-preopen sets

(1

2)*-maximal soft (1

2)*-pre-closed sets

(1

2)*-minimal soft (1

2)*- pre-closed sets

semi (1

2)*-maximal soft (1

2)*-pre-open sets

semi (1

2)*-minimal soft (1

2)*-pre-c

Sabiha I.

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In this paper, we introduce and study new types of soft open sets and soft closed
sets in soft bitopological spaces (X,~ ,~ ,E) 1 2   , namely, (1,2)*-maximal soft open
sets, (1,2)*-maximal soft (1,2)*-pre-open sets, semi (1,2)*-maximal soft (1,2)*-preopen
sets, (1,2)*-maximal soft closed sets, (1,2)*-maximal soft (1,2)*-pre-closed
sets, (1,2)*-minimal soft open sets, (1,2)*-minimal soft (1,2)*-pre-open sets, (1,2)*-
minimal soft closed sets, (1,2)*-minimal soft (1,2)*-pre-closed sets, and semi (1,2)*-
minimal soft (1,2)*-pre-closed sets. Also, properties and the relation among these
concepts have been studied.

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Publication Date

Mon Nov 01 2010

Journal Name

Al-nahrain Journal Of Science

Chemical Elements Diffusion in the Solar Interior

The standard solar model and equation of state have been used to study relative diffusion of Hydrogen and Helium in the present time for solar interior

as a function of distance and depth from the center of the star. The effects of temperature and density on diffusion velocity for these chemical elements have been explaned. It is found that heat flow which is arising from these reactions leads to an increase in helium diffusion velocity

while the temperature and density leading to a decrease in Hydrogen diffusion velocity. This means that Hydrogen behaves inversely with that for helium does through these reactions. Accordingly

diffusion percentages for Hydrogen

Helium and other Heavy Elements could be determined for the main sequence stars and white dwarf stars.

H.

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