data mining concepts and techniques ppt
Data Mining Concepts and Techniques phần 1 potx
... Foundations of Data Mining 66511.3.2 Statistical Data Mining 66611.3.3 Visual and Audio Data Mining 66711.3.4 Data Mining and Collaborative Filtering 67011.4 Social Impacts of Data Mining 67511.4.1 ... object-relational databases and specific application-oriented databases, such as spatial databases, time-series databases,text databases, and multimedia databases. The challenges and techniques of mining ... Reference Data in Enterprise Databases: Binding Corporate Data to the Wider WorldMalcolm Chisholm Data Mining: Concepts and Techniques Jiawei Han and Micheline KamberUnderstanding SQL and Java...
- 78
- 548
- 0
Data Mining Concepts and Techniques phần 2 ppsx
... 972.7Summary Data preprocessing is an important issue for both data warehousing and data mining, as real-world data tend to be incomplete, noisy, and inconsistent. Data preprocessingincludes data cleaning, ... approximation of the original data. PCA is computationally inexpensive, can be applied to ordered and unorderedattributes, and can handle sparse data and skewed data. Multidimensional data of more than ... 2.3 Data Cleaning 652.3.3 Data Cleaning as a ProcessMissing values, noise, and inconsistencies contribute to inaccurate data. So far, we havelooked at techniques for handling missing data and...
- 78
- 495
- 0
Oracle Data Guard Concepts and Administration
... Physical Standby and Cascaded Remote Physical Standby C-5C.3.2 Local Physical Standby and Cascaded Remote Logical Standby C-5C.3.3 Local and Remote Physical Standby and Cascaded Local Logical Standby ... is applied to the standby database.A standby database can be one of two types: a physical standby database or a logical standby database. If needed, either type of standby database can assume ... Physical and Logical Standby Databases■New Features Specific to Physical Standby Databases■New Features Specific to Logical Standby DatabasesNew Features Common to Physical and Logical Standby DatabasesThe...
- 474
- 629
- 0
Oracle9i Data Mining Concepts Release 9.2.0.2 October 2002 Part No. A95961-02 Oracle9i Data
... SQL/MM for Data Mining. JDM has also influenced these standards. Oracle9i Data Mining will comply with the JDM standard when that standard is published.1.2.2 Data Mining ServerThe Data Mining ... viii Basic ODM Concepts 1-11Basic ODM Concepts Oracle9i Data Mining (ODM) embeds data mining within the Oracle9i database. The data never leaves the database — the data, data preparation, ... main components:■Oracle9i Data Mining API ■ Data Mining Server (DMS)1.2.1 Oracle9i Data Mining APIThe Oracle9i Data Mining API is the component of Oracle9i Data Mining that allows users to...
- 112
- 365
- 0
Tài liệu Concepts and Administration pptx
... Physical and Logical Standby Databases■ New Features Specific to Physical Standby Databases■ New Features Specific to Logical Standby DatabasesNew Features Common to Physical and Logical Standby DatabasesThe ... maintains each standby database by transmitting redo data from the primary database and then applying the redo to the standby database. Similar to a primary database, a standby database can be ... single-instance Oracle database or an Oracle Real Application Clusters database.A standby database can be either a physical standby database or a logical standby database:■ Physical standby databaseProvides...
- 474
- 1,318
- 1
Tài liệu Oracle8i Parallel Server: Concepts and Administration pptx
... Processing and Parallel Databases 1-15For optimal performance, configure your system according to your particularapplication requirements and available resources, then design and tune thedatabase and ... Instance LocksPlanning the Use and Maintenance of PCM Locks 15-2Planning and Maintaining Instance Locks 15-2Key to Allocating PCM Locks 15-2Examining Datafiles and Data Blocks 15-3Using Worksheets ... =Volume_ParallelVolume_Original Parallel Processing and Parallel Databases 1-11Parallel Processing and Parallel DatabasesThis chapter introduces parallel processing and parallel database technologies. Bothoffer...
- 454
- 1,215
- 0
Tài liệu OPTICAL COMMUNICATION THEORY AND TECHNIQUES ppt
... and quadrature field components). Based onFig. 2, at spectral efficiencies below 1 b/s/Hz per polarization, 2-PAM (OOK) and 2-DPSK are attractive techniques. Between 1 and 2 b/s/Hz, 4-DPSK and ... attractive techniques. At spectral efficiencies above2 b/s/Hz, 8-PSK and 8- and 16-QAM become the most attractive techniques. Table 2 compares key attributes of direct, interferometric and coherent ... of 2- and 4-DPSK as compared to 2- and 4-PAM. Coherent detection is unique in offering two degrees of freedom perpolarization, leading to outstanding SNR efficiency for 2- and 4-PSK, and stillreasonable...
- 229
- 378
- 0
Medical Image Processing, Reconstruction and Restoration: Concepts and Methods ppt
... persuasion that a good understanding of concepts and prin-ciples forms a necessary basis to any valid methodology and solidapplication. It is relatively easy to continue studying and evendesigning specialized ... Algorithms, Sensors, and Applications, edited by Kiyoharu Aizawa, Katsuhiko Sakaue and Yasuhito Suenaga25. Medical Image Processing, Reconstruction and Restoration: Concepts and Methods, Jirˇí ... in and pro-cessed by computers. The reader should realize that, on one hand,there are many similarities and analogies between the worlds ofcontinuous and discrete images; on the other hand,...
- 725
- 2,367
- 2
Data Mining Classification: Alternative Techniques - Lecture Notes for Chapter 5 Introduction to Data Mining pdf
... by R1 © Tan,Steinbach, Kumar Introduction to Data Mining 36 Instance Based ClassifiersExamples:Rote-learnerã Memorizes entire training data and performs classification only if attributes ... to $1M © Tan,Steinbach, Kumar Introduction to Data Mining 40 1 nearest-neighborVoronoi Diagram © Tan,Steinbach, Kumar Introduction to Data Mining 38 Nearest-Neighbor ClassifiersRequires ... r* and r ã Choose rule set that minimizes MDL principle–Repeat rule generation and rule optimization for the remaining positive examples © Tan,Steinbach, Kumar Introduction to Data Mining...
- 90
- 2,646
- 0
Báo cáo khoa học: "An Empirical Evaluation of Data-Driven Paraphrase Generation Techniques" pptx
... families of data- driven ap-proaches that are widely studied and used. Morecomprehensive surveys of data- driven paraphrasing techniques can be found in Androutsopoulos and Malakasiotis (2010) and Madnani ... identifying, generating, and harvest-ing phrase- and sentence-level paraphrases (Barzi-lay and McKeown, 2001; Bhagat and Ravichan-dran, 2008; Barzilay and Lee, 2003; Bannard and Callison-Burch, ... corpora and mayalso rely on part-of-speech (POS) taggers, chunkers,parsers, and statistical machine translation tools.Constructing large comparable and bilingual cor-pora is expensive and, in...
- 6
- 334
- 0
OPTOELECTRONICS MATERIALS AND TECHNIQUES pptx
... Materials and Techniques 32 Fig. 2. PL spectra of the as-prepared samples and after exposure to air for 1-month; samples, denoted as 1,2 and 3, were prepared by the anodic etching in 20%, 13% and ... K. Lee and Chi C. Hua Part 3 Techniques and Characterization 285 Chapter 11 Optoelectronic Techniques for Surface Characterization of Fabrics 287 Michel Tourlonias, Marie-Ange Bueno and Laurent ... characteristic width for the band tail states is about 50 meV for the valence band tail states and about 25 meV for the conduction band tail states – see, for instance, (Cody, 1981) and the relevant articles...
- 496
- 292
- 0
Tìm thêm: xác định các mục tiêu của chương trình xác định các nguyên tắc biên soạn khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản xác định thời lượng học về mặt lí thuyết và thực tế tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu nội dung cụ thể cho từng kĩ năng ở từng cấp độ xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ lồng sóc hệ số công suất cosp fi p2 đặc tuyến hiệu suất h fi p2 đặc tuyến tốc độ rôto n fi p2 động cơ điện không đồng bộ một pha thông tin liên lạc và các dịch vụ phần 3 giới thiệu nguyên liệu từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008