سبد خرید

Query based approach for referrer field analysis of log data using web mining techniques for ontology improvement

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This work presents a new framework as to how web mining is helpful for information retrieval, using ontology and web log files. Ontology plays a major role in the retrieval of semantic data. The researcher has already constructed the string instrument ontology...

Impact of 5G Technologies on Smart City Implementation

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Impact of 5G Technologies on Smart City Implementation

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The concept of ‘‘Smart Cities’’ is very important as it aims to uplift the living standards of the residents by greatly improving the City’s Infrastructure, Traffic management, Governance, Water and Waste management, Power management, Health systems, Safety and Security systems, Education...

Unstructured data in marketing

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Unstructured data in marketing

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The rise of unstructured data (UD), propelled by novel technologies, is reshaping markets and the management of marketing activities. Yet these increased data remain mostly untapped by many firms, suggesting the potential for further research developments. The integrative framework proposed in this ...

افزایش دقت سیستم های تشخیص نفوذ با استفاده از الگوریتم های PSO & SVM

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1,900 تومان
هدف سیستم های تشخیص نفوذ، تشخیص قابلیت نفوذ و تشخیص ضعف های کلی سیستم و گزارش آن به مدیر سیستم است. سیستم های تشخیص نفوذ با داده های زیادی روبرو هستند که یکی از وظایف بسیار مهم در آن ها...
راه های موفقیت در فروش
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راه های موفقیت در فروش

افراد موفق بطور یقین برای خود اهداف خاصی را معین کرده و به دنبال آن رفته ولی با وجود سختی...
SONET/SDH چیست
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SONET/SDH چیست

شبکه نوری همزمان (SONET) ابتدا توسط بلکُر(که اکنون تلکُردیاست)درسال 1985 مطرح شد و توسط انجمن T1X1 ANSI توسعه یافت و...
آثار زلزله بر سدها
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آثار زلزله بر سدها

چگونه سدی مقاوم نسبت به زلزله داشته باشیم؟! به ﺣﺮﮐﺖ اﻧﺘﻘﺎلی زمین که باعث می شود صفحات زمین در کنار یکدیگر...
کاربرد مختلف جلبکها
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کاربرد مختلف جلبکها

جلبک ها در کجا یافت می شوند: با کشف جلبک ها که از طریق شناسایی دریاها صورت گرفته نشان داده...
راه های موفقیت در کسب وکار
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راه های موفقیت در کسب وکار

برای موفقیت در زندگی چه باید کرد؟ آیا موفقیت شانسی است؟ یکی از مهم ترین اموری که موفقیت در آن...
کاربرد آفتکش ها و مضراتشان
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کاربرد آفتکش ها و مضراتشان

آفتکش چیست و چه کاربردی دارد؟! به حشرات و علف های هرز و میکروب هایی که سبب نابودی گیاهان می...

6LowPSec: An End-to-End Security Protocol for 6LoWPAN

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6LowPSec: An End-to-End Security Protocol for 6LoWPAN

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6LoWPAN has radically changed the IoT (Internet of Things) landscape by seeking to extend the use of IPv6 to smart and tiny objects. Enabling efficient IPv6 communication over IEEE 802.15.4 LoWPAN  radio links requires high end-to-end security rules. The IEEE 802.15.4...

A novel ensemble method for k-nearest neighbor

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A novel ensemble method for k-nearest neighbor

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In this paper, to address the issue that ensembling k-nearest neighbor (kNN) classifiers with resampling approaches cannot generate component classifiers with a large diversity, we consider ensembling kNN through a multimodal perturbation-based method. Since kNN is sensitive to the input attributes, we...

A novel QoS-enabled load scheduling algorithm based on reinforcement learning in software-defned energy internet

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Recently, smart grid and Energy Internet (EI) are proposed to solve energy crisis and global warming, where improved communication mechanisms are important. Softwaredefined networking (SDN) has been used in smart grid for realtime monitoring and communicating, which requires steady web-environment with no...

All click, no action? Online action, efficacy perceptions, and prior experience combine to affect future collective action

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Social media is increasingly used for social protest, but does internet-enabled action lead to ‘slacktivism’ or promote increased activism? We show that the answer to this question depends on prior level of activism, and on beliefs about the effectiveness of individual contribution to...

A case study of critique: Critical perspectives on critical accounting

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As accounting academics, we have a responsibility to act in the public interest as conscience, critic and  counselor of society regarding economic, social and environmental justice. In fulfilling this responsibility, we are concerned with how accounting, accountants, and accountability regimes...

Accounting education literature review (2016)

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Accounting education literature review (2016)

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This review of the accounting education literature includes 108 articles published during 2016 in six journals: (1) Journal of Accounting Education, (2) Accounting Education, (3) Advances in Accounting Education, (4) Global Perspectives on Accounting Education, (5) Issues in Accounting Education,...

An empirical investigation of the relationship between intellectual capital and firms’ market value and financial performance

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Purpose – The purpose of this article is to investigate empirically the relation between the value creation efficiency and firms’ market valuation and financial performance. Design/methodology/approach – Using data drawn from Taiwanese listed companies and Pulic’s Value Added Intellectual Coefficient...

Audit quality and Earnings Management in Quoted Nigerian Banks

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The objective of the study is to find out the impact of audit quality on earnings management. The study used a sample of all eighteen banks quoted on the stock exchange as at December, 2010. Data was gathered for the...

اثر اصلاح شیمیایی با ترکیبات آکریلاتی بر جذب آب آرد چوب

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1,900 تومان
در تحقیق حاضر اثر اصلاح شیمیایی با ترکیبات آکریلاتی بر جذب آب آرد چوب صنوبر بررسی شد. سطوح تیمار به سه سطح شاهد، اصلاح با گلیسیدیل متاکریلات و تلفیق گلیسیدیل متاکریلات/ متیل متاکریلات گروه بندی شدند. اصلاح آردچوب صنوبر با...

اثر الگوی تنش سرمای بهاره بر میزان رنگیزه های گیاهی در ارقام جو زراعی

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1,900 تومان
سرمای بهاره یکی از تنش هایی است که هر ساله خسارات قابل توجهی را به اقتصاد و چرخه ی تولید کشور به خصوص در بخش غلات تحمیل می کند. دمای پایین به عنوان یکی از خطرات عمده کشاورزی و یکی...

اثر جیره غذایی گاوهای شیرده رب ترکیبات شیر

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جیره غذایی گاوهای شیری اثر قابل ملاحظه ای بر بازده میزان تولید شیر و ترکیبات شیر دارد. ترکیبات شیر ممکن است به وسیله استراتژی های تغذیه ای به خصوص در اواخر دوره شیردهی جهت بهبود کیفیت شیر و فرآورده های شیری...

بررسی حذف فلز سنگین نیکل از محلول آبی با استفاده از زائدات گیاه آلوئه ورا اصلاح شده با اسید سولفوریک به عنوان جاذب

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1,900 تومان
فاضلاب های صنعتی و کشاورزی از عوامل اصلی در رهاسازی فلزات سنگین در اکوسیستم ها به شمار می آید. تقریبا همه ی فلزات سنگین برای موجودات زنده سمی هستند و سبب مسمومیت حاد و مزمن می گردند. بحث فلزات سنگین...

اشتراک در خبرنامه

اکنون عضو شوید ، ما زیاد ایمیل نمی فرستیم 🙂 !

A simple thermodynamic model for the doping and alloying of nanoparticles

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Impurity incorporation into nanoparticles is modeled using thermodynamics. For small particles, entropically driven impurity incorporation is reduced, rendering doping difficult. We show that the free energy of surface impurities in small nanoparticles is lower than core impurities, surface doping therefore...

Agricultural waste material as potential adsorbent for sequestering heavy metal ions from aqueous solutions – A review

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Heavy metal remediation of aqueous streams is of special concern due to recalcitrant and persistency of heavy metals in environment. Conventional treatment technologies for the removal of these toxic heavy metals are not economical and further generate huge quantity of...

Antimicrobial Properties of Socks Protected with Silver Nanoparticles

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Antimicrobial properties of socks containing silver nanoparticles were investigated. Two types of socks were used for testing. The first were linen (100%) socks impregnated with a specimen containing silver nanoparticles. The second type were commercially available cotton (55%) socks containing...

Application of magnetic iron oxide nanoparticles in catalysts as catalyst base

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تومان
When synthesizing magnetic nanoparticles, some key conditions such as inherent magnetic properties, size and shape of nanoparticles, surface coatings and surface charge of nanoparticles, stability in aqueous  medium and their non-toxicity should be considered. By choosing a suitable synthesis method,...

A holistic evaluation of smart city performance in the context of China

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Development of smart city has been increasingly accepted as a new technology-based solution to  itigate urban diseases. The Chinese government has been devoting good efforts to the promotion of smart city through introducing a series of policies. However, policies may have limited effectiveness...

A Neural Network Based Expert System for the Diagnosis of Diabetes Mellitus

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Diabetes is a disease in which the blood glucose, or blood sugar levels in the body are too high. The damage caused by diabetes can be very severe and even more pronounced in pregnant women due to the tendency of transmitting the hereditary...

Applying sentiment analysis in social web for smart decision support marketing

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Because of the rapid development of communication and service in Taiwan, competition among telecommunication companies has become ever fercer. Differences in marketing strategy usually become the key factor in keeping existing customers while attracting new ones. Although electronic word-of-mouth (e-WOM) is...

Data measurement in research information systems: metrics for the evaluation of data quality

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In recent years, research information systems (RIS) have become an integral part of the university’s IT landscape. At the same time, many universities and research institutions are still working on the implementation of such information systems. Research information systems support institutions in...

An empirical investigation of the relationship between intellectual capital and firms’ market value and financial performance

0 از 5
0امتیاز
تومان
Purpose – The purpose of this article is to investigate empirically the relation between the value creation efficiency and firms’ market valuation and financial performance. Design/methodology/approach – Using data drawn from Taiwanese listed companies and Pulic’s Value Added Intellectual Coefficient...

Entrepreneurial strategy v. accounting accuracy in ‘calculating’ capital and income

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تومان
Both entrepreneurs and accountants ‘calculate’ capital and income but their procedures diverge. The paper examines this divergence and the respective  calculational objectives of entrepreneurs and accountants in the business enterprise. For the entrepreneur, capital and income are ex ante calculational...

The Impact Of Accounting Estimates On Financial Position And Business Performance – Case Of Non-Current Intangible And Tangible Assets

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Financial statements represent a great source of information for company's financial position and business  performance evaluation. Management judgment depends on the information base which is given at the time of judgement. Each judgement is by its nature subjective, so the...

Word of Mouth impact on the adoption of mobile banking in Iran

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Purpose: The purpose of this paper is to explore word of mouth impact on the adoption of mobile banking in Iran. This study provides insights into factors affecting the adoption of mobile banking in Iran. Design/methodology/approach: Based on the consumer...
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