relational data model in dbms pdf

Data structures in c++ pdf

Ngày tải lên : 05/03/2014, 20:20

...   7) #include<iostream.h> #include<conio.h> int size=10; int a[10],top=-1; int pop(); void del_pop(int[],int); void push(int[],int); main(){clrscr();int i,k; for(i=0;i<size;i++){cin>>k;push(a,k);} ... اهو 9) #include<iostream.h> #include<conio.h> int size=10; int a[10],tail=-1,head=-1; int p_q(); void add_q(int[],int); void del(int[],int); main(){clrscr();int i; for(i=0;i<size;i++){if(tail==size-1){cout<<" ... #include<iostream.h> #include<conio.h> int size=10; int a[10],top=-1; int pop(); void r(int[]); void push(int[],int); main(){clrscr();int i,k; for(i=0;i<size;i++){cin>>k;push(a,k);}...

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The Relational Data Model and Relational Database Constraints

Ngày tải lên : 12/05/2014, 11:55

... Attribute/Domain Row Tuple Values in a column Domain Table Definition Schema of a Relation Populated Table Extension The Relational Data Model and Relational Database Constraints

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Chương 3: Mô hình quan hệ (Relational Data Model) potx

Ngày tải lên : 05/07/2014, 16:20

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Tài liệu Figure Drawing Without A Model - The figure in Action pdf

Ngày tải lên : 26/01/2014, 08:20

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Financial Services Authority Data Security in Financial Services pdf

Ngày tải lên : 06/03/2014, 19:20

... We noted during our visits a general shift in the financial services industry – including in small firms – from holding customer data in paper files to the electronic scanning and filing of correspondence. ... repeat training or testing. In addition, training for front-line staff, such as those who work in call centres, tended to focus mainly on legislative and regulatory requirements. This Data Security in ... transparent international market for stolen customer data, including data belonging to UK citizens, according to PricewaterhouseCoopers, a consulting firm. Sets of data are bought and sold freely in social...

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Indexing XML Data Stored in a Relational Database pot

Ngày tải lên : 07/03/2014, 14:20

... XMark. Instead of storing the entire data as a single, large XML instance, it is more natural in a relational database to store the data in tables representing the different entities in the data ... publishing relational data in XML. ACM TODS, vol. 27, no. 4, December, 2002. [6] D. Florescu and D. Kossmann. Storing and Querying XML Data Using an RDBMS. IEEE Data Engineering Bulletin, 22(3):27-34, ... a JOIN in case of wildcard and //-axis queries. 6. Conclusions This paper introduces techniques for indexing XML instances stored in a relational database in an undecomposed form. It introduces...

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Modeling High-Frequency Data in Finance pdf

Ngày tải lên : 22/03/2014, 09:20

... Probab 2004;41A:177–187. Tankov P. Pricing and hedging in exponential L ´ evy models: review of recent results. To appear inthe Paris-PrincetonLecture Notes in MathematicalFinance, Springer-Verlag, Berlin, Heidelberg, ... during the after-event window. To determine the optimal window size and optimal α level, we use the following trading strategy. DEFINITION 2.2 A position is opened at a point determined according ... and analytical work on data sampled with high frequency in the ﬁnancial industry. In today’s world, many ﬁelds are confronted with increasingly large amounts of data. Financial data sampled with high...

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Báo cáo khoa học: "A Rational Model of Eye Movement Control in Reading" pdf

Ngày tải lên : 23/03/2014, 16:20

... two types of visual input, peripheral input giving word boundary information and foveal input giving information about letter identity. 4.2.1 Peripheral visual input In our model, any eccentricity ... been explained by computational models as re- sulting from the rational use of probabilis- tic linguistic information. Many times, these hypotheses have been tested in reading by linking predictions ... among models of eye movement control in reading (except Mr. Chips) in having a fully explicit model of how visual input is used to discriminate word identity. This ap- proach stands in sharp...

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Báo cáo khoa học: "Towards a model of formal and informal address in English" pdf

Ngày tải lên : 24/03/2014, 03:20

... novel-speciﬁc models, splitting each novel into 50% training data and 50% testing data. We required novels to contain more than 200 labeled sentences. This ruled out most short stories, leaving us with ... pro- noun use in four European languages: Intralingual and interlingual dimensions. In Proceedings of the Annual Meeting of the Australian Linguistic Society, Brisbane, Australia. Ralf Steinberger, ... for Computational Linguistics Towards a model of formal and informal address in English Manaal Faruqui Computer Science and Engineering Indian Institute of Technology Kharagpur, India manaalfar@gmail.com Sebastian...

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Towards Instance Optimal Join Algorithms for Data in Indexes pdf

Ngày tải lên : 30/03/2014, 22:20

... acyclic join queries. We also show how to incorporate our algo- rithm into NPRR to speed up acyclic join processing for certain class of instances, while retaining its worst-case guarantee. We show in ... adaptive intersection set. Speciﬁcally, as in DLM, the element is eliminated in low-to-high ordering fashion. At any point of time, the set of smallest uneliminated elements in all sets is maintained. ... replace the three intervals by [ 1 , r 2 ], which is now considered live. ã All original intervals in the ConstraintTree T are live. ã One can convert any live interval into a cashed -in interval. (We...

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Báo cáo khoa học: "Flexible Guidance Generation using User Model in Spoken Dialogue Systems" pdf

Ngày tải lên : 31/03/2014, 03:20

... Stephanie Seneff. 2000. Integrating recognition confidence scoring with language understanding and dialogue modeling. In Proc. ICSLP. Robert Kass and Tim Finin. 1988. Modeling the user in natural language ... obtained in every utterance. Moreover, in order to smooth unbalanced distribution of the training data, a cost corresponding to the reciprocal ratio of the number of samples in each class is introduced. ... experienced. We introduce user models not for defining users’ be- haviors beforehand, but for detecting users’ patterns in real-time interaction. We define three dimensions in the user models: ‘skill...

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báo cáo sinh học:" Empowering the people: Development of an HIV peer education model for low literacy rural communities in India" pdf

Ngày tải lên : 18/06/2014, 17:20

... for undergoing the training (to offset loss in daily wages). Each training program included pre- and post-test questionnaires to evaluate the change in level of knowledge after the training. Only ... HIV/AIDS. Lancet Infect Dis 2004, 4:714. 6. Singh YN, Malaviya AN: Long distance truck drivers in India: HIV infection and their possible role in disseminating HIV into rural areas. Int J STD AIDS ... education models in many other rural areas that are in urgent need of similar activities to avert an increase in HIV prevalence. Competing interests The authors declare that they have no competing interests. Authors'...

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báo cáo hóa học: "Investigating the missing data mechanism in quality of life outcomes: a comparison of approaches" pdf

Ngày tải lên : 18/06/2014, 18:20

... ignoring the reminder- response at baseline (scenario one) indicated data were MAR, but including the reminder-response data (scenario two) suggested MCAR. Data were MAR at three months in both ... baseline and then annually [8]. Each dataset contained a proportion of patients with com- plete data or a monotone, intermittent or mixed missing data pattern. Mechanisms of missing data The missing ... surrounding missing data in QoL are the same irrespective of the QoL meas- ure being used. If the data are missing because reduced QoL leads to informative censoring, then this should be taken into...

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DATA MINING IN BANKING AND FINANCE: A NOTE FOR BANKERS pdf

Ngày tải lên : 20/06/2014, 14:20

... them in actually better segmenting, targeting, acquiring, retaining and maintaining a profitable customer base. Business Intelligence and data mining techniques can also help them in identifying ... recovery Model Correlations Model instrument Pricing Interest Rate Scenario Customer, Instrument, portfolio risk to market and credit risk Models through data mining 9 Data mining techniques ... own database and data mining techniques, fitting models to the business needs and the business current credit portfolio. 4 The broad categories of application of Data Mining and Business...

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Báo cáo toán học: " Two-stage source tracking method using a multiple linear regression model in the expanded phase domain" pdf

Ngày tải lên : 20/06/2014, 20:20

... regression model including three-linear lines in 6π interval is explained in detail . The proposed LS criterion using the multiple linear regression model is given as ˆτ E,d = arg min τ 1  m=−1  l |(ω l τ ... the past data set. In addition, a process is included such that all of the RLS vectors are initialized when long silence interval is included in the observation data. Experimental results described in ... focusing on j [31]. It is increasingly flattened for higher level noise because the f irst term in Equation 6 becomes a principle factor, i.e. reducing the del ay information contained in the...

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Báo cáo hóa học: " Strong consistency of estimators in partially linear models for longitudinal data with mixingdependent structure" pdf

Ngày tải lên : 20/06/2014, 22:20

... linear models for longitudinal data with only -mixing and r-mixing. In fact, our results with other mixing-dependent structures, such as a-mixing, *-mixing and r*-mixing, can also be obtained ... Heckman, N: Spline smoothing in a partly linear models. J R Stat Soc B. 48, 244–248 (1986) 5. Speckman, P: Kernel smoothing in partial linear models. J R Stat Soc B. 50, 413–436 (1988) 6. Robinson, PM: ... generalized linear models with longitudinal data. J Multivar Anal. 140, 3445–3456 (2010) 25. Hu, Z, Wang, N, Carroll, RJ: Profile-kernel versus backfitting in the partially linear models for longitudinal/clustered...