... tượng/thực thể discrepancies from inconsistent data representations 20 04/ 12/ 25 và 25 / 12/ 2004Dữ liệu được ghi nhận không phản ánh đúng ngữ nghĩa cho các đối tượng/thực thểRàng buộc khóa ... của nhà phân t ch dữ liệu cho việc nhận diệnĐiều ch nh dữ liệu không nhất quán bằng tayCác giải pháp biến đổi/chuẩn hóa dữ liệu tự động 30 2. 4. T ch hợp dữ liệuPhân t ch tương quan ... (correct data inconsistencies)T ch hợp dữ liệu (data integration): trộn dữ liệu (merge data) từ nhiều nguồn khác nhau vào một kho dữ liệuBiến đổi dữ liệu (data transformation): chuẩn hoá...
... the mining operations as they are executed. 1 .2 Oracle9i DataMining ComponentsOracle9i DataMining has two main components:■Oracle9i DataMining API ■ Data Mining Server (DMS)1 .2. 1 Oracle9i ... SQL/MM for Data Mining. JDM has also influenced these standards. Oracle9i DataMining will comply with the JDM standard when that standard is published.1 .2. 2DataMining ServerThe DataMining ... Concepts 1-11Basic ODM ConceptsOracle9i DataMining (ODM) embeds datamining within the Oracle9i database. The data never leaves the database — the data, data preparation, model building, and...
... Classifiers 1845 .2. 1 ID3 1875 .2. 2 IBM IntelligentMiner 1895 .2. 3 Serial PaRallelizable INduction of decision Trees(SPRINT) 1895 .2. 4 RainForest 1 92 5 .2. 5 Overfitting 1 92 5 .2. 6 PrUning ... signal processingtechniques with recent developments.We deal with multimediadata mining in Chapter 9. In this chapter wehave discussed text mining, image mining, and Web mining issues. ... based on other multimedia datatypes do not exist. To make the data mining technology suc-cessful, it is very important to develop search engines in other multimedia datatypes, especially...
... communities.The field of datamining has evolved in several aspects since the first edition. Ad-vances occurred in areas, such as MultimediaData Mining, Data Stream Mining, Spatio-temporal Data Mining, Sequences ... Media, LLC 20 05, 20 10Library of Congress Control Number: 20 10931143Dr. Lior RokachOded Maimon · Lior RokachEditors Data Mining and KnowledgeDiscovery HandbookSecond Edition 123 Contents1 ... for Data Mining, logics for Data Mining, DM query languages,text mining, web mining, causal discovery, ensemble methods, and a great deal more.Part seven provides an in-depth description of Data...
... Contents XI 24 Using Fuzzy Logic in Data Mining Lior Rokach 505Part V Supporting Methods 25 Statistical Methods for Data Mining Yoav Benjamini, Moshe Leshno 523 26 Logics for Data Mining Petr ... Applications57 MultimediaData Mining 58 DataMining in MedicineNada Lavraˇc, Blaˇz Zupan 111159 Learning Information Patterns in Biological Databases - Stochastic Data Mining Gautam B. ... Software65 Commercial DataMining SoftwareQingyu Zhang, Richard S. Segall 124 566 Weka-A Machine Learning Workbench for Data Mining Eibe Frank, Mark Hall, Geoffrey Holmes, Richard Kirkby,BernhardPfahringer,...
... mature techniques have been developed for mining rich data formats:• Data Stream Mining - The conventional focus of datamining research was on mining resident data stored in large data repositories. ... newmethods for MultimediaDataMining (Chapter 57). Multimediadata mining, asthe name suggests, presumably is a combination of the two emerging areas: mul-timedia and data mining. Instead, the multimedia ... Intel-ligent Data Analysis, Volume 9, Number 2, 20 05b, pp 131–158.Rokach, L. and Maimon, O., Clustering methods, DataMining and Knowledge DiscoveryHandbook, pp. 321 –3 52, 20 05, Springer.Rokach, L....
... al., 20 01), regular expressionmatches and user-defined constraints (Cadot and di Martion, 20 03), filtering (Sunget al., 20 02) , and others (Feekin, 20 00, Galhardas, 20 01, Zhao et al., 20 02) . 2Data ... experimental data set, 164 contain outlier 2Data Cleansing 29 Table 2.2. A part of the data set. An error was identified in record 199, field 14, which wasnot identified previously. The data elements ... correct data the usefulness of DataMining and data warehousing is mit-igated. Thus, data cleansing is a necessary precondition for successful knowledgediscovery in databases (KDD). 2.2DATA CLEANSING...
... 35(4) :21 7 -22 3.Li, Z., Sung, S. Y., Peng, S., & Ling, T. W. A New Efficient Data cleansing Method. Pro-ceedings of Database and Expert Systems Applications (DEXA 20 02) ; 20 02 September 2- 6; ... KnowledgeDiscovery and Data Mining; 20 00 August 20 -23 ; Boston, MA. 29 0 -29 4.Levitin, A. & Redman, T. A Model of the Data (Life) Cycles with Application to Quality,Information and Software Technology 1995; ... Springer, 20 02, 178-196Maletic, J. I. & Marcus, A. Data Cleansing: Beynod Integrity Analysis. Proceedings of TheConference on Information Quality (IQ2000); 20 00 October 20 -22 ; Massachusetts...
... France, 20 02, 28 6 – 29 5Yao Y.Y. On the generalizing rough set theory. Proc. of the 9th Int. Conference on RoughSets, Fuzzy Sets, DataMining and Granular Computing (RSFDGrC 20 03), Chongqing,China, ... thenvn≡1mm∑i=1((xi−μ) ·n) 2 =1mm∑i=1θ 2 i(4 .2) and that along some other unit direction nisvn≡1mm∑i=1((xi−μ) ·n) 2 =1mm∑i=1θ 2 i(n ·n) 2 (4.3)Since (n ·n) 2 = cos 2 φ, ... for all such directions,and we cannot hope to uncover such structure using one dimensional projections.−1 −0.8 −0.6 −0.4 −0 .2 0 0 .2 0.4 0.6 0.8 100 .2 0.40.60.811 .2 1.41.61.8 2 Fig. 4.1....
... differential entropy,H(y)=−p(y)log 2 p(y)dy =1 2 log 2 (e (2 π)d)+1 2 log 2 det(Cy) (4.6)This is maximized by maximizing det(Cy)=det(WCW) over choice of W, subjectto the constraint ... dissimilarity between each pair of data points in the dataset(note that this measure can be very general, and in particular can allow for non-vectorial data) . Given this, MDS searches for a mapping ... we diagonalize Qrr≡A+A−1 /2 BBA−1 /2 ≡UQΛQUQ, then the desired matrix of orthogonal column eigen-vectors isVmr≡ABA−1 /2 UQΛ−1 /2 Q(4 .24 )(so that Kmm= VΛQVand...