نتایج جستجو برای: data bases quary optimization

تعداد نتایج: 2714340  

2006
P. Krause D. Wiesmann T. Slawinski

In the eld of data{based fuzzy modeling, the complexity of applications and the amount of data to be processed have grown continuously. Thus, the computational eeort for solving these applications has also increased drastically. In order to meet this challenge, parallel computing approaches are applied. The task here is the optimization of data{based generated fuzzy rule bases. For this kind of...

Kamran Shahanaghi Meysam Fereiduni

Natural disasters, such as earthquakes, affect thousands of people and can cause enormous financial loss. Therefore, an efficient response immediately following a natural disaster is vital to minimize the aforementioned negative effects. This research paper presents a network design model for humanitarian logistics which will assist in location and allocation decisions for multiple disaster per...

2005
Carlo DELL’AQUILA Ezio LEFONS Filippo TANGORRA

In this paper, a method for estimating the size of relational query results is proposed. The approach is based on the estimates of the attribute distinct values. On the basis of our method, a set of parameters, the socalled Canonical Coefficients, can be derived from actual data; they allow us to approximate both the multivariate data distribution and distinct values of attributes. In particula...

Journal: :Inf. Sci. 2003
Johannes A. Roubos Magne Setnes János Abonyi

The automatic design of fuzzy rule-based classification systems based on labeled data is considered. It is recognized that both classification performance and interpretability are of major importance and effort is made to keep the resulting rule bases small and comprehensible. For this purpose, an iterative approach for developing fuzzy classifiers is proposed. The initial model is derived from...

2011

35 ABSTRACT This paper presents a new approach for power signal time series data mining using S-transform based K-means clustering technique and fuzzy decision tree. Initially the power signal time series disturbance data are pre-processed through an advanced signal processing tool such as S-transform and various statistical features are extracted, which are used as inputs to the K-means algori...

1995
VOLKER WEISPFENNING

The talk gives a survey on some symbolic algorithmic methods for solving systems of algebraic equations with special emphasis on parametric systems. Besides complex solutions I consider also real solutions of systems including inequalities. The techniques described include the Euclidean algorithm, Grr obner bases, characteristic sets, univariate and multivariate Sturm-Sylvester theorems, compre...

Journal: :Jurnal Aplikasi Teknik Sipil 2022

Bendungan Tapin merupakan bendungan tipe urugan zonal inti tegak dengan zona kedap air menggunakan material lempung. Kendala yang terjadi saat pelaksanaan konstruksi adalah ketersediaan lempung untuk ada di sekitar proyek. Di sisi lain terdapat hasil galian spillway dibuang begitu saja disekitar area Adanya permasalahan tersebut, gagasan memanfaatkan tersebut sebagai dikombinasi geomembrane men...

پایان نامه :وزارت علوم، تحقیقات و فناوری - پژوهشگاه شیمی و مهندسی شیمی ایران - پژوهشکده شیمی تجزیه و معدنی 1390

hydrochlorothiazide (hct) is a diuretic agent which is shown to be effective in the treatment of hypertension. literature reports have demonstrated that urinary excretion data may be used to assess the bioavailability of various formulations containing this thiazide. also hct consumption by the athletes is one of the drugs which should be regulated by world anti-doping agency (wada), because of...

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