Data Mining Concepts and Techniques phần 1 potx
... Reference Data in Enterprise Databases: Binding Corporate Data to the Wider World Malcolm Chisholm Data Mining: Concepts and Techniques Jiawei Han and Micheline Kamber Understanding SQL and Java ... Foundations of Data Mining 665 11.3.2 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 ... 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...
Ngày tải lên: 08/08/2014, 18:22
Data Mining Concepts and Techniques phần 2 ppsx
... 97 2.7 Summary 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 preprocessing includes data cleaning, ... approximation of the original data. PCA is computationally inexpensive, can be applied to ordered and unordered attributes, and can handle sparse data and skewed data. Multidimensional data of more than ... 2.3 Data Cleaning 65 2.3.3 Data Cleaning as a Process Missing values, noise, and inconsistencies contribute to inaccurate data. So far, we have looked at techniques for handling missing data and...
Ngày tải lên: 08/08/2014, 18:22
Data Mining Concepts and Techniques phần 3 docx
... processing, and data mining. We also introduce on-line analytical mining (OLAM), a powerful paradigm that integrates OLAP with data mining technology. 3.5.1 Data Warehouse Usage Data warehouses and data ... Warehouse and OLAP Technology: An Overview 3.5 From Data Warehousing to Data Mining “How do data warehousing and OLAP relate to data mining? ” In this section, we study the usage of data warehousing ... Chapter 3 Data Warehouse and OLAP Technology: An Overview data by OLAP operations), and data mining (which supports knowledge discovery). OLAP-based data mining is referred to as OLAP mining, or...
Ngày tải lên: 08/08/2014, 18:22
Oracle Data Guard Concepts and Administration
... Physical Standby and Cascaded Remote Physical Standby C-5 C.3.2 Local Physical Standby and Cascaded Remote Logical Standby C-5 C.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 Databases New Features Common to Physical and Logical Standby Databases The...
Ngày tải lên: 26/10/2013, 22:15
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 Server The Data Mining ... viii Basic ODM Concepts 1-1 1 Basic 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 API The Oracle9i Data Mining API is the component of Oracle9i Data Mining that allows users to...
Ngày tải lên: 06/11/2013, 01:15
Tài liệu Module 1: Data-Centric Applications and ADO.NET pptx
... Applications and ADO.NET 30 Module 1: Data- Centric Applications and ADO.NET 36 Module 1: Data- Centric Applications and ADO.NET 3. Add the following code to query the database, and then ... data, and the DataGrid will display the data on the screen. ' Visual Basic dgResult.DataSource = Reader dgResult.DataBind() // Visual C# dgResult.DataSource = Reader; dgResult.DataBind(); ... Server data sources. XxxCommand Executes a command from a data source. For example, the SqlCommand class can execute stored procedures or SQL statements in a SQL Server data source. XxxDataReader...
Ngày tải lên: 24/01/2014, 10:20
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 Classifiers Examples: Rote-learner ã Memorizes entire training data and performs classification only if attributes ... to $1M © Tan,Steinbach, Kumar Introduction to Data Mining 40 1 nearest-neighbor Voronoi Diagram © Tan,Steinbach, Kumar Introduction to Data Mining 38 Nearest-Neighbor Classifiers Requires ... 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...
Ngày tải lên: 15/03/2014, 09:20
STUDIES ON THE ECOLOGY AND CONSERVATION OF BUTTERFLIES IN EUROPE: Vol. 1: General Concepts and Case Studies pptx
... cover of mosses and lichens, bare ground and gravel, stones and rocks significantly lower than at randomly selected available Primula veris plants (Figure 1). Higher coverage by shrubs and litter ... Fragland and MacMan – the first led by Illka Hank- si (University of Helsinki, Finland; www.helsinki.fi/science/fragland) to use questions about but- terfly metapopulations to train PhDs and exchange ... Climate and butterfly distribution changes; Chris Van Swaay & Arco van Strien (Nether- lands), Using butterfly monitoring data to develop a European grassland butterfly indicator; and Martin...
Ngày tải lên: 23/03/2014, 01:20
Evolutionary Ecology Concepts and Case Studies ppt
... Differences in the relative abundances of banded and unbanded morphs be- tween mainland and island populations, and among young-of-the-year, juvenile, and adult individuals, suggest that ... other loci (i.e., dominance and epistasis; Mazer and Da- muth, chapter 2, this volume). Only in the absence of dominance and epistasis, and where mating is random, can precise predictions ... lifetime flower and fruit production, and lifetime maternal fecundity and yield decline, while mean petal area, pollen production, and pollen size remain constant (Mazer and Schick ...
Ngày tải lên: 23/03/2014, 01:20
LEARNING LANDSCAPE ECOLOGY A PRACTICAL GUIDE TO CONCEPTS AND TECHNIQUES docx
Ngày tải lên: 23/03/2014, 01:20