Are People Rational (in the economist ’s sense) and Reasonable (in the lawyer ’s sense)? Both concepts of rationality and reasonableness indicate a process of reasoning by anticipating and analysing the consequences of their potential actions and establishing a list of preferences‚ depending on the anticipated consequences. A rational person‚ having established their list of preferences‚ will choose the action which will maximise their utility. There are many different variations of rationality
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5 reasons to use social CRM for support and services By David Taber July 19‚ 2012 11:57 AM ET 2 Comments . CIO - So this article may come as something of a surprise‚ as I’m going to be beating the drums about social CRM again‚ this time for the service and support organization. Why? Social networks give you the quickest access to customers where they already are. Almost anybody you want to do business with is somewhere on Facebook or LinkedIn or product-review networks‚ at least in the United
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1. Data mart definition A data mart is the access layer of the data warehouse environment that is used to get data out to the users. The data mart is a subset of the data warehouse that is usually oriented to a specific business line or team. Data marts are small slices of the data warehouse. Whereas data warehouses have an enterprise-wide depth‚ the information in data marts pertains to a single department. In some deployments‚ each department or business unit is considered the owner of its data
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IT433 Data Warehousing and Data Mining — Data Preprocessing — 1 Data Preprocessing • Why preprocess the data? • Descriptive data summarization • Data cleaning • Data integration and transformation • Data reduction • Discretization and concept hierarchy generation • Summary 2 Why Data Preprocessing? • Data in the real world is dirty – incomplete: lacking attribute values‚ lacking certain attributes of interest‚ or containing only aggregate data • e.g.‚ occupation=“ ”
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is referred to as the a. stand alone concept. b. monetary unit assumption. c. economic entity assumption. d. corporate form of ownership 2. All of the financial statements are for a period of time except the a. income statement. b. balance sheet c. owner’s equity statement. d. statement of cash flows 3. A trial balance will not balance if a. a journal entry is posted twice. b. a wrong amount is used in journalizing. c. incorrect account titles are used in journalizing. d. a journal
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am going to explain data protection‚ talk about the data protection acts‚ rights and principles. I’m going to talk about a data controller and a data processor and what their responsibilities are. What personal and sensitive data are. What a data receiver is and what his rights are‚ what is involved in direct marketing and I will mention an example of abuse or corruption that occurred in Ireland. Data protection acts Data protection is legal control over and access to use of data stored in computers
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an era of big data‚ this data-driven world has the potential to improve the efficiencies of enterprises and improve the quality of our lives; however‚ there are a number of challenges that must be addressed to allow us to exploit the full potential of big data. This paper focuses on challenges faced by online retailers when making use of big data. With the provided examples of online retailers Amazon and eBay‚ this paper addressed the key challenges of big data analytics including data capture and
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having too much data‚ and what to do about them There is rarely an instance of business that you can encounter that does not involve the processing of data on information systems these days. Businesses and organizations use information systems in a majority of their functions‚ and as a result‚ are creating mass amounts of data. Because data is so crucial to business operations‚ it is being gathered‚ stored‚ and utilized in exponential amounts compared to the previous decade. These data stores can
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DATA FLOW DIAGRAM - one of the most commonly used modeling tool which graphically represents a system as a network of processes‚ linked together through input and output flow lines and entities. Data flow Components ▪ Process - transformation of data flow into outgoing data flow. It may represent . . - whole system - subsystem - activity ▪ Data store - repository of data in the system It may represent . . . - computer file or
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|Case Study: Data for Sale | |Management Information System | | | |
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