Data Warehouses and Data Marts: A Dynamic View file:///E|/FrontPage Webs/Content/EISWEB/DWDMDV.html Data Warehouses and Data Marts: A Dynamic View By Joseph M. Firestone‚ Ph.D. White Paper No. Three March 27‚ 1997 Patterns of Data Mart Development In the beginning‚ there were only the islands of information: the operational data stores and legacy systems that needed enterprise-wide integration; and the data warehouse: the solution to the problem of integration of diverse and often redundant
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insight into the usage of data warehousing and data mining techniques to enhance the productivity of the business. The study of the processes is analysed so as to get the need of adaptation according to inherent demands of these industries in near future. The main topics we are discussing here are: a) Data warehousing b) Data Mining c) ETL d) Data Mart An attempt has been made to analyse different ways of using these for the enhancement in the different field. Data warehousing and current
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"Data Compression and Data Processing” Please respond to the following: * Explain whether or not you believe there is a discernible difference in efficiency between compressing and decompressing audio data and compressing and decompressing image data. Provide at least three reasons for your argument. There are efficiency differences between a given compressions for audio or image‚ this is due to: 1. The difference in data‚ example bmp‚ jpg‚ gif of the same image‚ mp3‚ wav‚ ogg for
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Primary Data is Original data‚ this means that it has been collected by you‚ someone who has volunteered to assist you in your research‚ or by someone who is within your employ to gather this research‚ this does not include comparing results with your peers to help evaluate the accuracy of your own results‚ as this type of data has not been gathered by you‚ or have you had any part in the gathering of this information. There are a few ways in which primary data can be obtained‚ which includes surveys
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Censored data & Truncated data Censoring occurs when an observation or a measurement is outside the range and people don’ t know the certain value. The value is always above or below the range that people set. However‚ truncated data means that because of the limits‚ such as time‚ or space‚ people lose some data. Truncation is to cut off the data. In other words‚ we have collected and use the data‚ but the data is not in the range we have. It is called censored data. We don’t use the data because
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Hacking Techniques & Intrusion Detection Winter Semester 2012/2013 Dr. Ali Al-Shemery aka: B!n@ry /etc/resolv.conf Dr. Ali Al-Shemery (aka: B!n@ry) 9 Configuring Basic Network Services • Sometimes you need to test stuff locally‚ or import data to a database‚ or even copy files. That’s why Backtrack comes with a different set of services we can use for such scenarios: • SSH (OpenSSH) • FTP (vsftpd) • Web (Apache) • Database (MySQL‚ Postgress) • TFTP Dr. Ali Al-Shemery (aka:
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Child Abuse Prevention I. What is child abuse? Child abuse is a very sensitive issue that needs to by carefully handled. Child abuse is defined as a no accidental injury or pattern of injures to a child for which there is no reasonable explanation. Child abuse consists of different types of harmful acts directed toward children. In physical abuse‚ children are slapped‚ hit‚ kicked or pushed‚ or have objects thrown at them causing wounds‚ broken bones‚ or other injuries. Severe abuse may
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DRUNKEN DRIVER DETECTION SYSTEM ABSTRACT: At present drunken drivers have increased enormously and so is the deaths due to drunken drivers. The main reason for driving drunk is that the police are not able to check each and every car and even if they catch any one the police can be easily bribed. So there is a need for an effective system to check drunken drivers. In alcohol detection system the ignition of the fuel is regulated by a sensor circuit. The sensor circuit is used to detect whether
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[pic] Retail Loss Prevention: Doing more with Analytics February 2009 DRAFT Abstract T he retail industry is in the middle of an unprecedented economic crisis. All retailers are trying to figure out how to cut costs‚ retain customers‚ conserve cash and more importantly stay in business. Recently‚ the National Retail Federation (NRF) polled readers of its SmartBrief asking them what was on top of their mind. Loss Prevention (LP) came in second only to the overall economy! It is no surprise
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Prevention of corruption through Information Technology One of the greatest social evil having deep rooted status in today’s society is Corruption. The common man‚ business executive‚ politician‚ administrator are subjects of this anti-social activity. Rightful place of wealth going towards development needs of society is diverted by some individuals to meet their desire for wealth for fulfillment of personal needs. Towards reduction of corruption‚ Vigilance activity has been stepped up in
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