... a database SQL language; and programming in a database query language; previous experience as a database administrator • Experience with hardware: installing and maintaining the network cabling ... international standards shortly after their adoption by the IEEE Therefore, these standards are available in printed form from both IEEE and ISO, as well as from many national standards organizations ... to maintain system availability and justify spending an appropriate amount of time to protect against future disastrous scenarios Data are priceless, and their loss could be fatal for overall...
Ngày tải lên: 07/04/2014, 15:43
... [6] analyzed other cardiovascular modalities and found ECG data most discriminating for human identification This paper illustrates a methodology and minimum heartbeat performance metric using data ... Long-Term Viability Characteristics of an individual’s ECG can change for a variety of medical reasons, including cardiovascular disease and changes in medication Research has examined these ... Azuaje, and P E McSharry, Advanced Methods and Tools for ECG Data Analysis, Artech House, Norwood, Mass, USA, 2006 [16] H C Bazett, “An analysis of time relations of electrocardiograms,” Heart,...
Ngày tải lên: 21/06/2014, 22:20
Data Warehousing Fundamentals A Comprehensive Guide for IT Professionals phần 1 ppt
... The data in a data warehouse is not as volatile as the data in an operational database is The data in a data warehouse is primarily for query and analysis Data Granularity In an operational system, ... data staging area In this staging area, the operational data is cleansed and transformed into a form suitable for placement in the data warehouse for easy retrieval DATA WAREHOUSE DEFINED We have ... data is captured in the data warehouse, you not run individual transactions to change the data there Data updates are commonplace in an operational database; not so in a data warehouse The data...
Ngày tải lên: 08/08/2014, 18:22
Data Warehousing Fundamentals A Comprehensive Guide for IT Professionals phần 2 ppt
... than for an operational system? Again, as you know, data for a data warehouse comes from many disparate sources If data extraction for a data warehouse poses great challenges, data transformation ... metadata contain all of this information about the operational data sources Extraction and Transformation Metadata Extraction and transformation metadata contain data about the extraction of data from ... columns: a 10 nonvolatile data dual data granularity dependent data mart disparate data decision support data staging data mining metadata operational systems internal data A B C D E F G H I J roadmap...
Ngày tải lên: 08/08/2014, 18:22
Data Warehousing Fundamentals A Comprehensive Guide for IT Professionals phần 3 potx
... ț Classes of analysis ț Front-end DSS applications Metadata ț Operational metadata ț ETL (data extraction/transformation/loading) metadata ț End-user metadata ț Metadata storage Management and ... documents, and spreadsheets ț External data sources Data Staging ț Data mapping between data sources and staging area data structures ț Data transformations ț Data cleansing ț Data integration Data Storage ... recap the major architectural components as discussed in Chapter 2: ț Source data Production data Internal data Archived data External data ț Data staging Data extraction Data transformation Data...
Ngày tải lên: 08/08/2014, 18:22
Data Warehousing Fundamentals A Comprehensive Guide for IT Professionals phần 5 docx
... SIGNIFICANT ROLE OF METADATA ț Data model for special databases for OLAP ț Schedules for retrieving data for OLAP Challenges for Metadata Management Although metadata is so vital in a data warehouse ... target warehouse data models, source-staging area mappings, staging areawarehouse mappings, data extraction rules, data transformation rules, data cleansing rules, data aggregation rules, data ... incremental loads Data loading job streams Data Storage ț ț ț ț ț ț Data models for centralized data warehouse and dependent data marts Subject area groupings of tables Data models for conformed data...
Ngày tải lên: 08/08/2014, 18:22
Data Warehousing Fundamentals A Comprehensive Guide for IT Professionals phần 6 potx
... unconditionally adds the incoming data, preserving the DATA LOADING DATA STAGING DATA STAGING Key Data 123 AAAAA 234 BBBBB 345 CCCCC Key Data 123 AAAAA 234 BBBBB 345 CCCCC BEFORE Load B EF O R AFTER AF ... relational database Two major factors differentiate the data extraction for a new operational system from the data extraction for a data warehouse First, for a data warehouse, you have to extract ... ETL for fact tables ETL for dimension tables Write procedures for all data loads Organize data staging area and test tools Plan for aggregate tables Determine data transformation and cleansing...
Ngày tải lên: 08/08/2014, 18:22
Data Warehousing Fundamentals A Comprehensive Guide for IT Professionals phần 7 ppt
... the available data The analysis leads to strategic decisions that are the major reasons for building data warehouses in the first place For performing meaningful analysis, data must be cast in a ... think data quality is critical in a data warehouse Explain how data quality is much more than just data accuracy Give an example Briefly list three benefits of quality data in a data warehouse ... of data for your data warehouse For the data at- DATA QUALITY INITIATIVE 307 tributes that are extracted, examine the sets of values Check if any of these values not make sense and have decayed...
Ngày tải lên: 08/08/2014, 18:22
Data Warehousing Fundamentals A Comprehensive Guide for IT Professionals phần 8 potx
... multidimensionally, a semantic layer of metadata is created The metadata layer supports the mapping of dimensions to the relational tables Additional metadata supports summarizations and aggregations You may ... Data stored as relational tables in the warehouse Detailed and light summary data available Very large data volumes All data access from the warehouse storage Use of complex SQL to fetch data ... interfaces for your data warehouse? Why is data security a major concern for a Web-enabled data warehouse? List any four features of the data Webhouse Name any two approaches for an OLAP system...
Ngày tải lên: 08/08/2014, 18:22
Data Warehousing Fundamentals A Comprehensive Guide for IT Professionals phần 9 pdf
... physical storage as files, blocks, and records Data Staging Area Data Extract Flat Files Relational Database data files (transformed data) Relational Database index files Load Image Flat Files Figure ... data marts, one by one one by one data PRACTICAL APPROACH - First departmental data mart Next departmental data mart Next departmental data mart Next departmental data mart Gather departmental requirements, ... data structures in the data warehouse Storage Area Data Structures Take an overall look at all the data related to the data warehouse First, you have the data in the staging area Though you may...
Ngày tải lên: 08/08/2014, 18:22
Data Warehousing Fundamentals A Comprehensive Guide for IT Professionals phần 10 pot
... access, maintain, manage, and safeguard data in databases DD Data Dictionary A catalog or directory in a database management system that stores the data structures and relationships DDL Data Definition ... takes place without a flaw Your INTRANET WEB-ENABLED DATA WAREHOUSE Warehouse Data WEB PAGE STATISTICS AND INFORMATION Metadata Warehouse Subjects Warehouse Tables Summary Data Warehouse Navigation ... you start with a large volume of data, even a small percentage increase can result in substantial additional data In the first place, a data warehouse may contain too much historical data Data beyond...
Ngày tải lên: 08/08/2014, 18:22
data warehousing fundamentals a comprehensive guide for it professionals phần 4 ppsx
... architectural components in the three major areas Here is a quick summary recap: Data Acquisition: data extraction, data transformation, data cleansing, data integration, and data staging Data Storage: ... advantages of a separate platform for data staging: ț You can optimize the separate platform for complex data transformations and data cleansing What we mean by this? You can gear up the neutral ... ț ț ț ț ț ț Data about the data Table of contents for the data Catalog for the data Data warehouse atlas Data warehouse roadmap Data warehouse directory Glue that holds the data warehouse contents...
Ngày tải lên: 08/08/2014, 18:22
data warehousing fundamentals a comprehensive guide for it professionals phần 5 pptx
... SIGNIFICANT ROLE OF METADATA ț Data model for special databases for OLAP ț Schedules for retrieving data for OLAP Challenges for Metadata Management Although metadata is so vital in a data warehouse ... target warehouse data models, source-staging area mappings, staging areawarehouse mappings, data extraction rules, data transformation rules, data cleansing rules, data aggregation rules, data ... incremental loads Data loading job streams Data Storage ț ț ț ț ț ț Data models for centralized data warehouse and dependent data marts Subject area groupings of tables Data models for conformed data...
Ngày tải lên: 08/08/2014, 18:22
Báo cáo y học: "Galaxy: a comprehensive approach for supporting accessible, reproducible, and transparent computational research in the life sciences" ppsx
... computational analyses, systematically repeating analyses, capturing all details of performed analyses, and annotating analyses Using Galaxy Pages, researchers can communicate all components of an ... editors for tagging and annotations are integrated into Galaxy’s analysis workspace and are designed to support web-based genomic research Galaxy tags are hierarchical and can have values, and these ... workflows and workflow steps Same functions as Galaxy, although editor In development is form-based rather than graphical Same functions as Galaxy for generating automatic metadata; cannot annotate...
Ngày tải lên: 09/08/2014, 20:22
Báo cáo y học: "A comprehensive platform for quality control of botanical drugs (PhytomicsQC): a case study of Huangqin Tang (HQT) and PHY906" potx
... methods for both chemical and biological characterization While the traditional chemical analysis of standard marker compounds provides a useful quantitative mass balance, patterns of information-rich ... define and validate the quality control metric and to help set batch acceptance criteria Information-rich patterns are analyzed and compared with an established, well-characterized batch used for ... the National Cancer Institute (NCI) (CA-63477) of the National Institute of Health USA and the National Foundation for Cancer Research We also acknowledge that a small subset of the data and descriptions...
Ngày tải lên: 13/08/2014, 15:21
Embedded systems architecture a comprehensive guide for engineers and programmers
... (U.S.) and VDA6.1 (German) automotive catalogs.[2-30] (See http://www.iaob.org/) SAE Aerospace Material Specifications, SAE Aerospace Standards (includes Aerospace Standards (AS), Aerospace Information ... Jaguar standards are available as a complete collection or as individual standards collections such as: Jaguar-Test Procedures Collection, Jaguar-Engine & Fastener Standards Collection, Jaguar-Non-Metallic/Metallic ... can be classified as market-specific standards, general-purpose standards, or standards that are applicable to both categories Market Specific Standards General Purpose Standards PJava J2ME SSL128...
Ngày tải lên: 08/03/2016, 11:32
Accounting for payroll a comprehensive guide
... Taxes will vary not only by wage levels and tax allowances taken but also by the amount of wages that have already been earned for the year-to-date (see Chapter 8, “Payroll Taxes and Remittances”) ... entry a payroll staff is likely to need, including accruals for benefits, bonuses, vacations, and wages, as well as cafeteria plan transactions and manual payroll checks The chapter also addresses ... pretax wages These and other scenarios will occur constantly, so the payroll staff must have a procedure in place for handling them One approach is to create a separate form for each type of payroll...
Ngày tải lên: 13/12/2013, 11:32
Tài liệu A COMPREHENSIVE QUANTITATIVE MODEL FOR ANALYZING BOND REFUNDING DECISIONS pptx
... be evaluated on a case by case basis to calculate the exact costs or savings produced by the various interacting variables Consequently, there is a need for an interactive computer model that could ... some assumptions or forecasts have to be made about the future behavior of the market interest rate Examples are (a) a worst case scenario (where the market interest rate increases such that the ... and A. J Kalotay, “Optimal Bond Calling and Refunding,” Interfaces 9, 1979, pp 36-49 Brennan, M.J and E.S Schwartz, “Savings Bonds, Retractable Bonds and Callable Bonds,” Journal of Financial Economics...
Ngày tải lên: 15/02/2014, 13:20
Báo cáo khoa học: "A Procedure for Morphological Encoding" doc
... Hall, R A Descriptive Italian Grammar (Cornell Romance Studies, Vol 2.) Ithaca, N Y.: Cornell University Press, 1949 Lamb, S M “On Alternation, Transformation, Realization, and Stratifica- PROCEDURE ... English, for example, by enlarging the inventory of morphophonemes and associated phonological rules Again, therefore, one has to strike a balance Either one must make what may be a real sacrifice ... importance A likely objection to the proposals put forward in Sections II and III is that the inflectional rules are ordered This necessitates a separate pass through the grammar, or at best a pass...
Ngày tải lên: 07/03/2014, 18:20
Báo cáo khoa học: "A Comprehensive Gold Standard for the Enron Organizational Hierarchy" potx
... database, which can easily be interfaced with using APIs in various programming languages For information about how to obtain the database, please contact the authors A Hierarchy Predictor Based ... Linguistics Philip Bramsen, Martha Escobar-Molano, Ami Patel, and Rafael Alonso 2011b Extracting social power relationships from natural language ACL Mooi-Choo Chuah and Alexandra Coman 2009 Identifying ... References Philip Bramsen, Martha Escobar-Molano, Ami Patel, and Rafael Alonso 201 1a Extracting social power relationships from natural language In ACL, pages 773– 782 The Association for Computer Linguistics...
Ngày tải lên: 07/03/2014, 18:20