data mining concepts and techniques 2nd edition free download

... 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

... 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 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

... 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

... 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

... 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 ... of data tuples The bootstrap method works well with small data sets 14 e is the base of natural logarithms, that is, e = 2.718 366 Chapter Classification and Prediction M1 New data sample M2 Data ... long processing times and the intricacies of complex data 7.9 Clustering High-Dimensional Data Most clustering methods are designed for clustering low-dimensional data and encounter challenges

Ngày tải lên: 08/08/2014, 18:22

... 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

... 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

... 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

... 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

... 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

... 13C and 15N different from the more abundant isotopes 12C and 14N? A 13C and 15N each have one more neutron than 12C and 14N B 13C and 15N each have one more proton than 12C and 14N C 13C and ... Carbon B Carbon and oxygen C Carbon and nitrogen D Carbon, hydrogen, and nitrogen E Carbon and hydrogen 27 The four major groups of organic compounds are: A Fats, waxes, carbohydrates, and amino acids ... 15N each have one less neutron than 12C and 14N D 13C and 15N each have one less proton than 12C and 14N E 13C and 15N each have one less electron than 12C and 14N BLOOM'S LEVEL: Apply LEARNING

Ngày tải lên: 08/09/2017, 09:33

... Test Bank for Medical Surgical Nursing Concepts and Practice 2nd Edition by deWit Chapter 07: Care of Patients with Pain My Nursing Test Banks Chapter ... irritable and demanding d.hide pain from his family ANS: B Individuals of Arab descent generally view pain as something to be controlled and will probably call for pain remedy frequently and expect ... alert b.sleep and analgesia promote healing c.drowsiness is an undesirable side effect d.the medication should be taken only before bedtime ANS: B Effective analgesia and adequate rest and sleep

Ngày tải lên: 02/03/2019, 09:44

... 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

... 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 ... 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 World Malcolm Chisholm Data Mining: Concepts and Techniques Jiawei Han and Micheline Kamber Understanding SQL and Java...

Ngày tải lên: 08/08/2014, 18:22

... be used and from the Preface XVI - Object-oriented data representation to facilitate data standardization and data integration by the embodiment of metadata and data operations into data structures; - ... sharing of dynamic, multi-authored data sets, and parallel posting and retrieval of data; - Remote sensing and GIS to facilitate spatial data visualization and acquisition; - Animation to facilitate ... to provide high-speed data access and processing and large internal storage (RAM), and to facilitate high speed simulations; - Internet and www to facilitate interactive and online simulation...

Ngày tải lên: 29/03/2014, 17:20

... 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

... 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

... Managing NFS and NIS 13 1.3.1 Datagrams and packets IP deals with data in chunks called datagrams. The terms packet and datagram are often used interchangeably, although a packet is a data link-layer ... found in Chapter 13. 1.5.2 External data representation At first look, the data presentation layer seems like overkill. Data is data, and if the client and server processes were written to ... appearance and transparent in the way files and data are shared. NIS provides a distributed database system for common configuration files. NIS servers manage copies of the database files, and NIS...

Ngày tải lên: 21/02/2014, 19:20