... evolving field like data mining, it is difficult to compose “typical” exercises and even more difficult to work out “standard” answers Some of the exercises in Data Mining: Concepts and Techniques are ... image and signal processing, and spatial data analysis (c) Explain how the evolution of database technology led to data mining Database technology began with the development of data collection and ... from databases, statistics, and machine learning? No Data mining is more than a simple transformation of technology developed from databases, statistics, and machine learning Instead, data mining
Ngày tải lên: 16/10/2021, 15:40
... Data Mining: Concepts and Techniques Second Edition The Morgan Kaufmann Series in Data Management Systems Series Editor: Jim Gray, Microsoft Research Data Mining: Concepts and Techniques, ... Michalski, Brakto, and Kubat [MBK98], and Relational Data Mining edited by Dzeroski and Lavrac [De01], as well as many tutorial notes on data mining in major database, data mining, and machine learning ... Classification of Data Mining Systems 29 1.7 Data Mining Task Primitives 31 1.8 Integration of a Data Mining System with a Database or Data Warehouse System 34 1.9 Major Issues in Data Mining 36 ix
Ngày tải lên: 08/08/2014, 18:22
Data Mining Concepts and Techniques phần 2 ppsx
... a data mining query language can be used to specify data mining tasks In particular, we examine how to define data warehouses and data marts in our SQL-based data mining query language, DMQL Data ... for time, item, and location are shared between both the sales and shipping fact tables In data warehousing, there is a distinction between a data warehouse and a data mart A data warehouse collects ... form of data cleaning, as well as data reduction In summary, real-world data tend to be dirty, incomplete, and inconsistent Data preprocessing techniques can improve the quality of the data, thereby
Ngày tải lên: 08/08/2014, 18:22
Data Mining Concepts and Techniques phần 3 docx
... 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 ... between the current 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., ... dimensions, hierarchies, and derived data definitions, as well as data mart locations and contents Operational metadata, which include data lineage (history of migrated data and the sequence of transformations
Ngày tải lên: 08/08/2014, 18:22
Data Mining Concepts and Techniques phần 4 potx
... partitioning the data (mining on each partition and then combining the results) and sampling the data (mining on a subset of the data) These variations can reduce the number of data scans required ... Cheung, Han, Ng, and Wong [CHNW96] Parallel and distributed association data mining under the Apriori framework was studied by Park, Chen, and Yu [PCY95b], Agrawal and Shafer [AS96], and Cheung, Han, ... association mining was studied in Han and Fu [HF95], and Srikant and Agrawal [SA95] In Srikant and Agrawal [SA95], such mining was studied in the context of generalized association rules, and an R-interest
Ngày tải lên: 08/08/2014, 18:22
Data Mining Concepts and Techniques phần 5 ppt
... assuming 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, ... cuboids for city and item, city and year, city and sales, and the 3-D cuboid for item, year, and sales In this way, an iterative technique can be used to build higher-order data cubes from lower-order ... such as binning, histogram analysis, and clustering Data cleaning, relevance analysis (in the form of correlation analysis and attribute subset selection), and data transformation are described
Ngày tải lên: 08/08/2014, 18:22
Data Mining Concepts and Techniques phần 6 ppt
... given data are randomly partitioned into two independent sets, a training set and a test set Typically, two-thirds of the data are allocated to the training set, and the remaining one-third is ... Michalski,Carbonell, and Mitchell [MCM83,MCM86], Kodratoff and Michalski [KM90], Shavlikand Dietterich [SD90], and Michalski and Tecuci [MT94] For a presentation of machinelearning with respect to data mining ... be found in Quinlan and Rivest [QR89], Mehta, Agrawal, andRissanen [MRA95], and Rastogi and Shim [RS98] Other methods include Niblett andBratko [NB86], and Hosking, Pednault, and Sudan [HPS97]
Ngày tải lên: 08/08/2014, 18:22
Data Mining Concepts and Techniques phần 7 ppsx
... technology in molecular biology and develops algorithms and methods to manage and analyze biological data Because DNA and protein sequences are essential biological data and exist in huge volumes as ... prefix b , c , d , e , and f , respectively This can be done by constructing the b -, c -, d -, e -, and f -projected databases and mining them respectively The projected databases as well as the ... items in em )em+1 · · · en 506 Chapter Mining Stream, Time-Series, and Sequence Data Table 8.2 Projected databases and sequential patterns prefix projected database sequential patterns a (abc)(ac)d(c
Ngày tải lên: 08/08/2014, 18:22
Data Mining Concepts and Techniques phần 8 potx
... retrieval and multidimensional indexing methods, should be integrated with data generalization and data mining techniques to achieve satisfactory results Techniques for mining such data are further ... component of such databases can be generalized, and how the generalized data can be used for multidimensional data analysis and data mining 10.1.1 Generalization of Structured Data An important ... object-relational and object-oriented databases is their capability of storing, accessing, and modeling complex structure-valued data, such as set- and list-valued data and data with nested structures
Ngày tải lên: 08/08/2014, 18:22
Data Mining Concepts and Techniques phần 9 pot
... 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 ... standardize data mining products and to 11.2 Data Mining System Products and Research Prototypes 663 ensure the interoperability of data mining systems Recent efforts at defining and standardizing data mining ... difficulties using the data stored in database systems and handling large data sets efficiently In data mining systems that are loosely coupled with database and data warehouse systems, the data are retrieved
Ngày tải lên: 08/08/2014, 18:22
Data Mining Concepts and Techniques phần 10 pot
... 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 data mining: Traditional data mining ... issues in data mining The development of efficient and effective data mining methods and systems, the construction of interactive and integrated data mining environments, the design of data mining
Ngày tải lên: 08/08/2014, 18:22
Khai thác đồ thị dựa trên tài liệu data mining concepts and techniques, jiawei han
... 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 ... gom nhóm phân lớp liệu đồ thị khám phá chúng với phương pháp khai thác mẫu đồ thị Chương 9:Graph Mining 9.1 Khai thác đồ thị Đồ thị ngày trở nên quan trọng việc mơ hình hóa cấu trúc phức tạp (hợp ... lập mục video, thu hồi văn bản, phân tích Web nhu cầu phân tích liệu có cấu trúc ngày tăng graph mining trở thành nhiệm vụ quan trọng Ví Dụ: Mạng cộng tác tác giả Hình 1: Ví dụ ứng dụng đồ thị
Ngày tải lên: 12/11/2015, 13:20
Ebook Research Methodology - Methods and techniques (2nd edition): Part 2
... appropriate to explain clearly the meaning of a hypothesis and the related concepts for better understanding of the hypothesis testing techniques WHAT IS A HYPOTHESIS? Ordinarily, when one talks ... a random sample(s) and compute an appropriate value from the sample data concerning the test statistic utilizing the relevant distribution In other words, draw a sample to furnish empirical data ... null hypothesis and the alternative hypothesis are chosen before the sample is drawn (the researcher must avoid the error of deriving hypotheses from the data that he collects and then testing
Ngày tải lên: 04/02/2020, 17:06
Ebook E-Learning concepts and techniques: Part 2
... Technology and Consumer Electronics which are often enacted into standards by the International Chapter 11 – Web Standards 167 E-Learning Concepts and Techniques Organization of Standardization ... hardware and software which will be able to browse the Web, such as telephones, pagers, and PDAs.” (WaSP, 2006) Chapter 11 – Web Standards 173 E-Learning Concepts and Techniques Web standards ... higher education and related communities to promote and address the implementation of web standards and accessibility best practices through discussion, web standards users groups, and presentations
Ngày tải lên: 23/12/2022, 17:37
mcgraw hill - simulation modeling and analysis - third edition - averill m law - w david kelton
... 0}; the same is true between times 3.1 and 3.3, between times 3.8 and 4.0, and between times 4.9 and 5.6, Between times 3.3 and 3.8, however, the times 0 and 0.4 To compute 4(n), we must first ... interarrival times A,, A,, and the service times by F, and F, respectively (In general, F, and F; would be determined by collecting data from the system of interest and then specifying distributions ... The times between demands are IID exponential random variables with a mean ‘of 0.1 month The sizes of the demands, D, are IID random variables (independent of when the demands occur), with D Sone
Ngày tải lên: 12/05/2014, 05:42
Operating Systems Design and Implementation, Third Edition phần 1 doc
... disk" and "diskette" interchangeably.) The PD765 has 16 commands, each specified by loading between 1 and 9 bytes into a device register These commands are for reading and writing data, ... height="17">Index Operating Systems Design and Implementation, Third Edition By Andrew S. Tanenbaum - Vrije Universiteit Amsterdam, The Netherlands, Albert S. Woodhull - Amherst, Massachusetts ... moving the disk arm, and formatting tracks, as well as initializing, sensing, resetting, and recalibrating the controller and the drives The most basic commands are read and write, each of
Ngày tải lên: 12/08/2014, 22:21
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 HACKING EXPOSED: NETWORK SECURITY SECRETS AND SOLUTIONS, THIRD EDITION doc
... transfer zone information and create a compressed database of zone and host files for each domain queried. In addition, you can even pass top-level do - mains like com and edu to get all the domains ... weaknesses 8 Hacking Exposed: Network Security Secrets and Solutions ProLib8 / Hacking Exposed: Network Security Secrets and Solutions, Third Edition / McClure, Scambray & Kurtz / 9381-6 / Chapter ... Gaius. This 22 Hacking Exposed: Network Security Secrets and Solutions ProLib8 / Hacking Exposed: Network Security Secrets and Solutions, Third Edition / McClure, Scambray & Kurtz / 9381-6 / Chapter...
Ngày tải lên: 14/02/2014, 08:20