E learning concepts and techniques

... Applications 657 11 .1. 6 Data Mining for Intrusion Detection 658 xvii xviii Contents 11 .2 11 .3 11 .4 11 .5 11 .6 Appendix Data Mining System Products and Research Prototypes 11 .2 .1 How to Choose a Data Mining ... 6 41 Exercises 642 Bibliographic Notes 645 Chapter 11 Applications and Trends in Data Mining 649 11 .1 Data Mining Applications 649 11 .1. 1...

Ngày tải lên: 08/08/2014, 18:22

... 10, 10, 10, 10, 12, 14, 14, 14, 15, 15, 15, 15, 15, 15, 18, 18, 18, 18, 18, 18, 18, 18, 20 , 20 , 20 , 20 , 20 , 20 , 20 , 21 , 21 , 21 , 21 , 25 , 25 , 25 , 25 , 25 , 28 , 28 , 30, 30, 30 Chapter Data Preprocessing ... means: Bin 1: 9, 9, Bin 2: 22 , 22 , 22 Bin 3: 29 , 29 , 29 Smoothing by bin boundaries: Bin 1: 4, 4, 15 Bin 2: 21 , 21 , 24 Bin 3: 25 , 25 ,...

Ngày tải lên: 08/08/2014, 18:22

... Computation and Data Generalization c3 c1 31 30 29 48 47 46 45 c2 64 63 62 61 32 C 60 c0 b3 b2 44 13 14 15 16 40 24 b0 52 36 B b1 56 28 20 a0 a1 a2 a3 A Figure 4 .3 A 3- D array for the dimensions A, B, and ... corporate data model Figure 3. 13 A recommended approach for data warehouse development  134 Chapter Data Warehouse and OLAP Technology: An Overview 3. 3 .3...

Ngày tải lên: 08/08/2014, 18:22

... include data cube–based data aggregation and attributeoriented induction From a data analysis point of view, data generalization is a form of descriptive data mining Descriptive data mining describes ... pattern mining has become an important data mining task and a focused theme in data mining research In this chapter, we introduce the concepts of frequent patt...

Ngày tải lên: 08/08/2014, 18:22

... w24 x2 w 25 w56 w34 x3 w 35 Figure 6.18 An example of a multilayer feed-forward neural network Table 6.3 Initial input, weight, and bias values x1 x2 x3 w14 w 15 w24 w 25 w34 w 35 w46 w56 θ4 5 θ6 1 ... 0.1 1/(1 + e−0.1 ) = 0 .52 5 (−0.3)(0.332) − (0.2)(0 .52 5) + 0.1 = −0.1 05 1/(1 + e0.1 05 ) = 0.474 and propagated backward The error values are shown in Table 6 .5 The weight an...

Ngày tải lên: 08/08/2014, 18:22

... senior senior junior 31 35 26 30 31 35 21 25 31 35 26 30 41 45 36 40 31 35 46K 50K 26K 30K 31K 35K 46K 50K 66 K 70K 46K 50K 66 K 70K 46K 50K 41K 45K 30 40 40 20 ... 1.0 6. 16 Summary 373 1.0 true positive rate 0.8 0 .6 0.4 0.2 0.0 0.0 0.2 0.4 0 .6 0.8 1.0 false positive rate Figure 6. 33 The ROC curves of two classification models 6. 16 Summary Classification and ... Carbonell, a...

Ngày tải lên: 08/08/2014, 18:22

... basic concepts and techniques of data mining The techniques studied, however, were for simple and structured data sets, such as data in relational databases, transactional databases, and data ... as a major data mining function (b) An application that takes clustering as a preprocessing tool for data preparation for other data mining tasks 7. 13 Data cubes...

Ngày tải lên: 08/08/2014, 18:22

... substructures Metadata mining Metadata are data about data Metadata provide semi-structured data about unstructured data, ranging from text and Web data to multimedia databases It is useful for data integration ... York 5 58 Chapter Graph Mining, Social Network Analysis, and Multirelational Data Mining state and Ohio, and led to widespread power blackouts in many pa...

Ngày tải lên: 08/08/2014, 18:22

... multimedia data mining focuses on image data mining Mining text data and mining the World Wide Web are studied in the two subsequent 608 Chapter 10 Mining Object, Spatial, Multimedia, Text, and Web Data ... hypertext, and multimedia Thus, mining complex types of data, including object data, spatial data, multimedia data, text data, and Web data, has become an i...

Ngày tải lên: 08/08/2014, 18:22

... the benefits of data mining in terms of time and money savings and the discovery of new knowledge 11.5 Trends in Data Mining The diversity of data, data mining tasks, and data mining approaches ... content mining, Weblog mining, and data mining services on the Internet will become one of the most important and flourishing subfields in data mining Distributed...

Ngày tải lên: 08/08/2014, 18:22

... let others do? 10 Now what? 12 TYPES OF E- LEARNING AND THE TECHNOLOGIES REQUIRED 13 Learner-led e- learning 14 Facilitated e- learning 16 Instructor-led e- learning 18 Embedded e- learning 20 Telementoring ... LEARNER-LED E- LEARNING Learner-led e- learning aims to deliver highly effective learning experiences to independent learners It is sometimes called st...

Ngày tải lên: 14/08/2014, 12:21

... case, you need to request several static IP addresses from your ISP You need one for the modem/router between your Web server and the Internet You need one for your Web server as well as one for ... Tools and Technologies Headphones Most people taking e- learning prefer to so privately They don’t want to share the experience with the whole office Their cubicle neighbors likewise ap...

Ngày tải lên: 14/08/2014, 12:21