data mining concepts and techniques ppt chapter 3

... 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 Data Warehouse Back-End Tools and Utilities Data ... data warehousing technology 3. 3.4 Metadata Repository Metadata are data about data When used in a data warehouse, metadata are the data that define warehouse objects Figure 3. 12 showed a metadata ... detailed data and the lightly summarized data, and between the lightly summarized data and the highly summarized data Metadata should be stored and managed persistently (i.e., on disk) 3. 3.5 Types

Ngày tải lên: 08/08/2014, 18:22

... a small data size Recent data mining research has built on such work, developing scalable classification and prediction techniques capable of handling large disk-resident data In this chapter, ... of paired data where x is the number of years of work experience of a college graduate and y is the Table 6.7 Salary data x years experience y salary (in $1000s) 30 57 64 13 72 36 43 11 59 21 ... above data, we compute x = 9.1 and y = 55.4 Substituting these values into Equations (6.50) and (6.51), we get w1 = (3 − 9.1) (30 − 55.4) + (8 − 9.1)(57 − 55.4) + · · · + (16 − 9.1)( 83 − 55.4) = 3. 5

Ngày tải lên: 08/08/2014, 18:22

... of data tuples The bootstrap method works well with small data sets 14 e is the base of natural logarithms, that is, e = 2.718 36 6 Chapter Classification and Prediction M1 New data sample M2 Data ... subsets D1 , D3 , , Dk and tested on D2 ; and so on Unlike the holdout and random subsampling methods above, here, each sample is used the same number of times for training and once for testing ... on average, 63. 2% of the original data tuples will end up in the bootstrap, and the remaining 36 .8% will form the test set (hence, the name, 632 bootstrap.) “Where does the figure, 63. 2%, come from?”

Ngày tải lên: 08/08/2014, 18:22

... Chapter Data Preprocessing Data cleaning Data integration 22, 32 , 100, 59, 48 Data reduction attributes A1 A2 A3 T1 T2 T3 T4 T2000 A126 transactions Data transformation ... define data warehouses and data marts in our SQL-based data mining query language, DMQL Data warehouses and data marts can be defined using two language primitives, one for cube definition and one ... snowflake, and fact constellation schemas of Examples 3. 1 to 3. 3 using DMQL DMQL keywords are displayed in sans serif font Example 3. 4 Star schema definition The star schema of Example 3. 1 and Figure 3. 4

Ngày tải lên: 08/08/2014, 18:22

... count M.A over 30 Canada 2.8 3. 2 junior 16 20 Europe 3. 2 3. 6 29 physics M.S 26 30 Latin America 3. 2 3. 6 18 engineering Ph.D 26 30 Asia 3. 6 4.0 78 philosophy Ph.D 26 30 Europe 3. 2 3. 6 French senior ... Canada 2.8 3. 2 philosophy M.S 26 30 Asia 3. 2 3. 6 French junior 16 20 Canada 3. 2 3. 6 52 math senior 16 20 USA 3. 6 4.0 32 cs junior 16 20 Canada 3. 2 3. 6 76 philosophy Ph.D 26 30 Canada 3. 6 4.0 14 ... philosophy senior 26 30 Canada 2.8 3. 2 19 French Ph.D over 30 Canada 2.8 3. 2 engineering junior 21 25 Europe 3. 2 3. 6 71 math Ph.D 26 30 Latin America 3. 2 3. 6 chemistry junior 16 20 USA 3. 6 4.0 46 engineering

Ngày tải lên: 08/08/2014, 18:22

... for Figure 8.8(b) is Table 8 .3 The substitution matrix of amino acids HEAGAW GHEE PAW HEAE A E G A −1 H W −2 ? ?3 E −1 ? ?3 ? ?3 H −2 −2 10 ? ?3 P −1 −1 −2 −2 −4 W ? ?3 ? ?3 ? ?3 ? ?3 15 H E P − A | A G A − − ... frequent-pattern 504 Chapter Mining Stream, Time-Series, and Sequence Data SID EID itemset a b ··· SID EID SID EID ··· 1 a 1 2 abc 2 3 ac 3 d 5 cf 4 ad 2 c 3 bc ae ef ab 3 df c b e g af 4 c b ... patterns that are 510 Chapter Mining Stream, Time-Series, and Sequence Data of no interest Such unfocused mining can reduce both the efficiency and usability of frequent-pattern mining Thus, we promote

Ngày tải lên: 08/08/2014, 18:22

... standardize data mining products and to 11.2 Data Mining System Products and Research Prototypes 6 63 ensure the interoperability of data mining systems Recent efforts at defining and standardizing data mining ... Applications and Trends in Data Mining Coupling data mining with database and/ or data warehouse systems: A data mining system should be coupled with a database and/ or data warehouse system, where ... visualizer, and (multidimensional data) scatter visualizer for the visualization of data and data mining results 664 Chapter 11 Applications and Trends in Data Mining Oracle Data Mining (ODM),

Ngày tải lên: 08/08/2014, 18:22

... Proc 20 03 SIAM Int Conf Data Mining (SDM’ 03) , pages 33 1? ?33 5, San Francisco, CA, May 20 03 X Yan, J Han, and R Afshar CloSpan: Mining closed sequential patterns in large datasets In Proc 20 03 SIAM ... 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 data mining: Traditional data mining ... 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

Ngày tải lên: 08/08/2014, 18:22

... MƠN HỌC KHAI THÁC DỮ LIỆU VÀ ỨNG DỤNG ĐỀ TÀI : KHAI THÁC ĐỒ THỊ DỰA TRÊN TÀI LIỆU : Data Mining: Concepts and Techniques, Jiawei Han TP.HCM – 12/2012 Tóm tắt nội dung đồ án Đồ thị biểu thị cho ... dụ: Dưới ví dụ đồ thị với độ hỗ trợ nó, với độ hỗ trợ số lần xuất đồ thị đồ thị (1), (2), (3) Hình 3: Ví dụ đồ thị độ hỗ trợ Có hai phương pháp điển hình khai thác cấu trúc phổ biến, phương pháp ... đồ thị gSpan – Step 2: Tìm tất cạnh đơn phổ biến, cạnh có độ hỗ trợ lớn {(a_5,c _3) ,(a_6,c_1)} => (0,1,a,c) {(b_2,c _3) ,(b_4,c_1)} => (0,1,b,c) – Sấp xếp đồ thị duyệt theo chiều sau, tùy đỉnh bắt

Ngày tải lên: 12/11/2015, 13:20

... to study and understand their internal organization ● Define value and discuss its importance ● Describe the differences between tangible and intangible resources ● Define capabilities and discuss ... WEAKNESSES, AND STRATEGIC DECISIONS • Firms must identify their strengths and weaknesses Appropriate resources and capabilities are needed to develop desired strategy and create value for customers and ... VALUE CHAIN ANALYSIS • Both value chain (primary) and support activities should be analyzed • Competitive landscape demands that value chains and supply chains be examined in a global context

Ngày tải lên: 09/12/2016, 15:05

... 15,748, 537 * 4, 733 ,686 127,990 164,867 10,578, 138 * 4,150, 130 1,718,569 779,566 119,187 6,565 0 $89,877, 439 $61,0 43, 6 83 Data for Total Assets and Total Deposits is as of resolution Data ... 3, 258 1,272 545 3, 579 34 7 1 ,32 5 3, 576 1,911 225 7,269 $41 ,38 4 $0 571 31 9 207 32 127 87 21 18 0 0 0 0 35 6 34 740 $2,512 Resolution Costs as % of Total Assets 0.00 25.18 15. 13 ... 36 62 87 98 133 164 174 148 1 03 95 36 13 1,188 Total 11 10 42 48 80 120 145 2 03 279 207 169 127 122 41 13 1,617 1980 1981 1982 19 83 1984 1985 1986 1987 1988 1989 1990 1991 1992 19 93 1994 Total Source:

Ngày tải lên: 22/03/2014, 21:20

... (L(a)∪L(b)) = {λ, a, aa, aaa, }.{a, b} = {a, aa, aaa, , b, ab, aab, } Example 3. 3 r = (a + b) * (a + bb) L(r) = ? Example 3. 3 r = (a + b) * (a + bb) L(r) = {w| w ends with a or bb} [...]... no pair ... Equivalent Regular Expression r1 and r2 are equivalent iff L(r1) = L(r2) Example 3. 8 r1 = a (b + c) r2 = a b + a c L(r1) = L(r2) = {ab, ac} Regular Expressions and Languages Given a regular ... • Each regular expression stands for a set of strings of symbols in Σ  each regular expression represents a language, called regular language • r L(r) Example 3. 1 • L(a) = {a} • L((a + b.c)*

Ngày tải lên: 14/07/2014, 02:20

... 10 ? ?3 μm −1 , d 2 n dλ 2 =−4.24×10 ? ?3 μm −2 (3. 6. 13) resulting in the group index n g = 1.4 63 and group velocity v g = c/n g = 0.684c. Using (3. 6.10) and (3. 6.11), the calculated values of D and ... velocity are [2 43 298] Circuit realizations of negative group delays are discussed in [299 30 3] References [30 4 33 5] discuss slow light and electromagnetically induced transparency and related ... /ω0 1 .3 imaginary part, ni(ω) 0.7 30 1 ω /ω0 1 .3 group index, Re(ng) 20 −0.2 1 10 −0.4 0 0.6 0.7 1 ω /ω0 1 .3 −0.6 0.7 1 ω /ω0 1 .3 −5 0.7 1 ω /ω0 1 .3 Fig 3. 9.2 Slow, fast, and negative

Ngày tải lên: 13/08/2014, 02:20

... and 4-DPSK as compared to 2- and 4-PAM Coherent... polarization, leading to outstanding SNR efficiency for 2- and 4-PSK, and still reasonable SNR efficiency for 8-PSK and for 8- and ... and interferometric detection is equivalent to standard... b/s/Hz, 4-DPSK and 4PSK are perhaps the most attractive techniques At spectral efficiencies above 2 b/s/Hz, 8-PSK and 8- and ... and conferences of this area, where technological and experimental aspects usually play a predominant role On the other hand, this book, namely Optical Communications Theory and Techniques,

Ngày tải lên: 20/01/2014, 06:20

... 100 33 – 43 33 43 4.0–6.0 3. 5 3. 5 3. 5 3. 5 3. 5 3. 5 3. 5 49 © 2007 by Taylor & Francis Group, LLC DK594X_book.fm Page 49 Tuesday, June 6, 2006 9: 53 AM Te Te 131 I 132 I 133 I 134 ... 135 I 133 mXe 133 Xe 135 Xe 138 Xe 134 Cs 136 Cs 137 Cs 138 Cs 140Ba 140La 143Pr... June 6, 2006 9: 53 AM 52 Radionuclide Concentrations in Food and the Environment FIGURE 3. 3 ... 37 3 Radioactivity in the Air Peter Carny CONTENTS 3. 1 Cosmic Rays 37 3. 2 Cosmogenic Radionuclides 38 3. 3 Terrestrial Radiation 38 3. 3.1 Terrestrial Radiation: Radon and Decay

Ngày tải lên: 18/06/2014, 19:20

... country and with every discipline, societal component, and emergency management partner: state and b i local organizations and political representatives; ­ anking and ­ nsurance; architects and engineers; ... between the two floods In 19 93, there were 4,227 applicants for supplemental federal assistance, while in 1995 only 33 3 applications were received More dramatically, in 19 93 FEMA program expenditures ... that more and more people are projected to be flooded because of sea-level rise by the 2080s Wetlands, salt marshes, and ­ angroves are m already being impacted by sea-level rise, and development

Ngày tải lên: 18/06/2014, 22:20

... Standard 1910.1200 1910. 134 1910.178 1910 .30 5 1910. 132 1910 .30 3 1910.157 1910 .37 1910.22 1910. 23 1910.151 1910.212 1910.2 13 1904.29 1910 .36 1910. 133 1910 .30 4 1910.147 1910.176 5A1 ... 1910.215 1910.106 1910. 138 1910.107 1910.1 030 1910.2 53 1910 .38 Number Cited Description 2 538 422 180 172 131 129 121 115 104 81 54 54 52 44 43 40 39 36 35 32 30 28 28 27 24 21 21 18 ... (4 431 00) Computer and software stores (4 431 20) Building material and garden equipment and supplies dealers (444000) Building material and supplies dealers (444100) Lawn and garden equipment and

Ngày tải lên: 18/06/2014, 22:20

... 3. 1.1 Manufacturing: Form and Function 33 3. 1.2 Looking Forward…Looking Back 34 3. 2 A Brief Pr imer on Ma nufactu ri ng Processes 35 3. 3 Ramications of Worker Exposure and Environmental Issues ... Nanomanufacturing 40 3. 3.1 Four “Generations” of Nano-Product Development 40 3. 3.2 The Impact of “Engineered” Nanomaterials 42 3. 3 .3 Integ rati ng Nanopa r t icles into Nanoproducts 43 3.4 Summar y 47 ... physical connections and electronic properties into the integrated circuit chips prev- alentineverythingfromcellphonesandcomputerstothelatestautomaticcoffee CONTENTS 3. 1 Introduction 33 3. 1.1 Manufacturing:

Ngày tải lên: 18/06/2014, 22:20

... Querying Multidimensional Databases 126 3. 3 Data Warehouse Architecture 127 3. 3.1 Steps for the Design and Construction of Data Warehouses 128 3. 3.2 A Three-Tier Data Warehouse Architecture 130 3. 3 .3 Data Warehouse ... Statistical Data Mining 666 11 .3. 3 Visual and Audio Data Mining 667 11 .3. 4 Data Mining and Collaborative Filtering 670 11.4 Social Impacts of Data Mining 675 11.4.1 Ubiquitous and Invisible Data Mining ... Tools and Utilities 134 3. 3.4 Metadata Repository 134 3. 3.5 Types of OLAP Servers: ROLAP versus MOLAP versus HOLAP 135 3. 4 Data Warehouse Implementation 137 3. 4.1 Efficient Computation of Data...

Ngày tải lên: 08/08/2014, 18:22