Wednesday, November 27, 2019

A glimpse of Big Data Essays

A glimpse of Big Data Essays A glimpse of Big Data Essay A glimpse of Big Data Essay Big informations is non a precise term ; instead it’s a word picture of the neer stoping accretion of all sorts of informations. most of it unstructured. It describes informations sets that are turning exponentially and that are excessively big. excessively natural or excessively unstructured for analysis utilizing relational database techniques. Whether terabytes or PBs. the precise sum is less the issue than where the information ends up and how it is used. - - Cite from EMC’s study Big informations: Large chance to make concern value . When detonation happened in nomadic web. cloud computer science and cyberspace engineering. more and more different information appeared. In the yesteryear. the legion TB informations could be a catastrophe for any company. because it means high cost of storage and high public presentation CPU. However. in presents. companies discovered many facts they haven’t thought about these informations earlier. Companies started to utilize informations analytics engineering to happen concern values from these TBs or PB informations. It seems to be a large chance alternatively of catastrophe for companies now. Data is non merely defined as structured informations. When we speaking about large informations. it could be categorized into three types of informations: structured informations. unstructured informations. and semistructured informations ( Please see Chart I ) . Particularly when cyberspace and nomadic cyberspace developed quickly. the unstructured informations and semistructured informations exploded. For illustration. a bank could pull a decision by analyze unstructured informations to happen out why figure of churn increased. Most definitions of large informations all talk about the size of informations. However. size. or volume. is non the lone feature of large informations. There are other two features. assortment and speed. Assortment means large informations generates from several of beginnings. Data type was no longer connected to structured informations. Harmonizing to the EMC’s study. most of large informations related to unstructured informations. Speed means the velocity of informations production. Data was no long structured informations which was stored in the structured database. Datas could come from anyplace and anytime: Mobile. censors. devices. fabrication machine etc. The watercourse of informations generates in ex istent clip. This means company’s action should be taken with this velocity. Structured data| Structured information is organized in construction. These informations can be read and stored by computing machine. The signifier of structured informations is structured informations base that shop specific informations by methodological analysis of columns and rows. | Unstructured data| Unstructured information refers to the informations without identified construction. For illustration. picture. sound. image. text and so on. These informations besides called slackly structured information. | Semistructured data| Semistructured informations organized in semantic entities. The data’s size and type in one group could be different. For illustration. XML and RSS provenders. This information attempt to accommodate the existent universe with computing machine based database. | Chart I. Three types of informations. Big informations analytics Big informations analytics is non a technique. It is a footings that contains a batch of engineerings ( See EXHIBITION I ) . Based on enterprise’s different demand. each plan will utilize different engineering to analyse informations. However. with the large data’s development. some of these techniques become popular and utile. On the footing of the exhibition II. advanced analytics. visual image. existent clip. in-memory databases and unstructured informations have strong-to-moderate committedness and strong possible growing. The traditional techniques. for illustration. OLAP tools and hand-coded SQL. have bit by bit lost their topographic point. When a bank privation to happen the ground why the figure of client churn increased. or selling section decide to force precise advertizement to their client. they need to analyse client behaviour. These informations from client service electronic mails. phone call records. gross revenues interview studies. login informations from nomadic devices. and so on. Almost all of these informations can non be analyzed by traditional informations analytic techniques. That’s why these new techniques development so rapid and fierce. How a company adopt large informations analytics? Harmonizing to the article Big Data. Analytics and the Path from Insights to Value published on MIT Sloan Management Review. the writer categorized the company who used large information analytics into three phases ( See Exhibition II ) . For most companies. it is easy to set up an endeavor information warehouses ( EDW’s ) . However. how to construe these informations and happening the concern value from these informations become the most important factor for companies. Besides. so many techniques and tools behind the term large informations. For any company who decide to follow large informations analytics. the prima obstruction is missing of apprehension of how to utilize analytics to better their concern. From the article. the writer gave 5 recommendation to any company who wanted to follow large informations analytics. 1. Think Big. Focus on the biggest and highest value chances. Narrow down the options. 2. Get down in the Middle. Within each chance. get down with inquiries. non informations. Company prefer to roll up informations and information at first topographic point. In fact. start with inquiries could assist company go on to contract down the range and specify the most valuable way. 3. Make analytics come alive. When Problem was defined. company demand to use analytics. Choosing the properness tools to analyse the information. 4. Add. dong detract. Use centralized analytics. Every analysis is connected. 5. Construct the parts. program the whole. Big information from everyplace. The information will go more and more large and complex. Constructing the information substructure is important for large informations analytics. Big Data. Big Opportunity When company decide to concern large informations. it means every section are involved. Big information is non IT department’s or analysts’ duty. In fact. large informations analytics need information and aid from gross revenues. selling. R A ; D. IT and even external beginnings. Today. figure of companies have entered into large information market. The undermentioned chart lists some large organisations who have adopted large informations analytics. Besides. some of them provide large informations services to other companies These organisations are merely the tip of the iceberg. When large informations converted from Blue Ocean to Red Ocean. some of these organisations have turned into services supplier. This become a future tendency in large informations country. Big information demands expensive hardware and labour cost. Not every company can afford that. Besides. large informations involved so many different computing machine engineerings. non everyone understood all these techniques. For that affair. there will be more and more companies try to seek large informations service from external environment. Using the external large informations platform or tools could cut down the cost for constructing a wholly new technique squads. What the companies need to make is happening the job. narrow down the range and directing the demands to services supplier. When they get the analysis consequence. they could utilize the valued consequence to take the following action. Furthermore. these services supplier will non merely concentrate on large companies. The new manner is to supply friendly interface and easy to utilize merchandise to single client. What behind large informations will be still mystery for people. nevertheless. the face or terminus of large informations will go more and more friendly and simple. There is an illustration: Twithink. Twithink is a plan invented by a MIT group. They provide customized chirrup behaviour analysis for client. This plan could pull some decision by analysis the unstructured information on Twitter. They collected the gender. location. clip. cardinal words. images. etc. from tweets. Then they analysis these informations under certain arithmetic to pull decisions. The last research was the Election in 2012. The latest research is Gun Control treatment which still in advancement. Problem and menaces. Although large informations has many chance and advantage for endeavors. it still has some disadvantages. The first important job is privacy invasion. After you searched one merchandise on Amazon. the following clip when you login to Amazon. you will happen the merchandises you may interested which was Amazon pushed to you. This is called precise advertizement. However. you even didn’t know when virago collected your information. Another illustration was Google Analyst. company embedded codification into their web site to roll up people’s cyberspace behaviour. These things happened every twenty-four hours and everyplace. It is difficult to reason this action is right or incorrect. Possibly some are good. However. if personal information is sold or published by person. it will impact individual’s day-to-day life. It will go a important job. The Second job is information’s cogency. Harmonizing to the article With large informations comes large responsibilities points out that big informations sets are neer complete . If informations is deficient. the analysis consequence would be invalid or distorted. The invalid information would steer company to incorrect way and do a large loss. Thus. large information besides has two side. How to utilize it to make more value for company is the first consideration for all directors. Mention 1. Office 2013 Brings BI. Big Data to Windows 8 Tablets. ZDNet. N. p. . n. d. Web. 25 Jan. 2013. 2. Big Recognition for IBM Big Data. Smarter Computing Blog Big Recognition for IBM Big Data Comments. N. p. . n. d. Web. 25 Jan. 2013. 3. Big Data. Wikipedia. Wikimedia Foundation. 26 Jan. 2013. Web. 26 Jan. 2013. 4. Structured Data. Webopedia. N. p. . n. d. Web. 26 Jan. 2013. 5. Unstructured Data. Webopedia. N. p. . n. d. Web. 26 Jan. 2013. 6. Group of EMC. Big Datas: Large Opportunities to Create Business Value. Rep. EMC. n. d. Web. 26 Jan. 2013. 7. Philip Russom. Big Data Analytics. N. p. : TDWI. 2011. Print. 8. Lavalle. Steve. Big Data. Analytics and the Path from Insights to Value. MIT Sloan Management Review Winter 2011: 21-31. Web. 9. ?!?! . N. p. . n. d. Web. 26 Jan. 2013. 10. IBM InfoSphere Platform Big Data. Information Integration. Data Warehousing. Master Data Management. Lifecycle Management A ; Data Security. IBM InfoSphere Platform Big Data. Information Integratio n. Data Warehousing. Master Data Management. Lifecycle Management A ; Data Security. N. p. . n. d. Web. 26 Jan. 2013. 11. Amazon Web Services. Cloud Computing: Compute. Storage. Database. Amazon Web Services. Cloud Computing: Compute. Storage. Database. N. p. . n. d. Web. 26 Jan. 2013. 12. Oracle Big Data Appliance. Oracle Big Data Appliance. N. p. . n. d. Web. 26 Jan. 2013. 13. Google BigQuery Feedback on This Document. Google BigQuery. N. p. . n. d. Web. 26 Jan. 2013. 14. EMC Greenplum Data Computing Appliance – Data Warehousing. Data Analytics ( FW ) . EMC Greenplum Data Computing Appliance – Data Warehousing. Data Analytics ( FW ) . N. p. . n. d. Web. 26 Jan. 2013. 15. Teradata. Data Appliance. Data Warehouse. Business Intelligence a? . N. p. . n. d. Web. 26 Jan. 2013. 16. Twithinks. TwiThinks. N. p. . n. d. Web. 26 Jan. 2013. 17. Eria Naone. With Big Data Comes Big Responsibilities. N. p. : MIT Technology Review. n. d. 2011.

Saturday, November 23, 2019

A Comparison of Jamaican and American Political Economies essays

A Comparison of Jamaican and American Political Economies essays As an introduction to this paper I have compiled a series of facts on the island and the culture of the people of Jamaica. The questions asked on the economy of the island will then be answered. Discovered by Christopher Columbus, Jamaica is one of the three islands in the Northern Caribbean forming the Greater Antilles. It is the largest English-speaking country in the Caribbean Sea, stretching one hundred and forty six (146) miles from East to West. It lies five hundred and fifty (550) miles North of the Panama Canal and seven hundred (700) miles South of Miami. The capital and the largest city of the island is Kingston. The countrys name is derived from an Aarawak (aboriginal Indian) word xaymaca, meaning land of wood and water. And so it is with waterfalls and springs, rivers and streams flowing from the forest-clad mountains to the fertile plains, Jamaica has one of the richest and most varied landscapes in the region. Jamaicas most important export crop is sugarcane, from which rum and molasses are also made. The nations other agricultural exports include the famed Blue Mountain coffee, bananas, citrus fruits, ginger, cocoa, pimento, and tobacco. Mining is a major source of wealth; since large, easily accessible deposits of bauxite were discovered in 1942, Jamaica has become one of the worlds leading suppliers of this ore. Bauxite accounts for almost half of Jamaicas foreign exchange. Tourism is the biggest earner of foreign exchange. Among Jamaicas international known resort areas are Montego Bay, Ocho Rios, and Negril. Jamaicas other industries include (mainly concentrated in the Kingston area) include oil refining, sugar and tobacco processing, flour milling, and the production of chemicals, cement, textiles and processed foods. Since the late 1960s this industry has generated a greater share of the national income than agriculture. The Un...

Thursday, November 21, 2019

Personal Development Planning (PDP) Assignmant Essay - 1

Personal Development Planning (PDP) Assignmant - Essay Example After completing the thirty two questions on line, I received feedback indicating that I should seek further assistance with time-management, concentration, note-taking skills, test preparation and test taking skills and writing skills. Thinking about this I wrote up a personal SWOT analysis with the aim of trying to find out exactly where I was falling short and where I needed to improve. I found a downloadable example from Bristol Business School, belonging to the University of Western England, which helped me with the questions I should ask myself. I found it very difficult to determine my strengths except that I think I am imaginative and very personable at a social level. My weaknesses however, were easier to determine. I know I have trouble with writing, especially long assignments or reports - this PDP assignment is not too difficult because it is broken into different parts. I am very disorganized and never seem to have enough time to finish my assignments on time or have enough time to review the day's or week's lessons. My performance in seminars is not good enough because I am not properly prepared nor positively alert or motivated. I also worry a lot about whether or not I can finish everything and whet her or not I will pass. The main opportunities I could think of were gaining a good job in a good company after graduation and making my family happy by studying hard and graduating. Threats were easier to think about. The biggest threat, gaining a qualification, is obviously dependent solely on me and relates to my weaknesses. Only I can fix things but I believe I have the strength to overcome my weaknesses and prevent them from stopping me taking advantages of my opportunities. At least now I have thought about my strengths and weaknesses and understand that I need to develop in the following areas: time-management, applying myself to study by acquiring appropriate study habits and learning strategies and determining clear goals and objectives. Next I completed a simplified version of a learning approaches questionnaire (based on Approaches to Study Inventory (Tait & Entwistle 1996) and provided by Bristol Business School.Results indicated that I had a surface/passive approach to learning and that I tended to reproduce information and tried to memorize subject matter rather than delving further or seeking to extend that information; that I kept closely to the syllabus provided by the lecturers and did not follow up interest of my own, and that although I really tried and wanted to pass in order to gain a qualification, sometimes I did not do so well.At this point I wanted to know more, so because learning styles is one component of this PDP assignment, I decided to spend time researching learning styles and strategies. I wanted to take the first step in the challenge of changing from a surface learner (not questioning) to a deep learner, and find out more about what learning styles and strategies were, before determining w hich best suited me. (Refer to essay below on Learning Styles.) My second step was to find out more about time-management, not only because it was a component of this PDP assignment but also because I obviously needed to improve this skill. Again, I began with research in the area to acquire as much information as possible, from which I could then develop the most appropriate