Data Warehousing And Data Mining

Data Warehousing And Data Mining - A Paper Presentation on...

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A Paper Presentation on - Information repository with knowledge discovery AUTHORS CH.SIVA KOTESWARARAO (III B.Tech, I.T) [email protected] P.DILDAR ALIKHAN (III B.Tech, I.T) [email protected] Bapatla Engineering College, Bapatla.
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Abstract Organisations are today suffering from a malaise of data overflow. The developments in the transaction processing technology has given rise to a situation where the amount and rate of data capture is very high, but the processing of this data into information that can be utilised for decision making, is not developing at the same pace. Data warehousing and data mining (both data & text) provide a technology that enables the decision-maker in the corporate sector/govt. to process this huge amount of data in a reasonable amount of time, to extract intelligence/knowledge in a near real time. The data warehouse allows the storage of data in a format that facilitates its access, but if the tools for deriving information and/or knowledge and presenting them in a format that is useful for decision making are not provided the whole rationale for the existence of the warehouse disappears. Various technologies for extracting new insight from the data warehouse have come up which we classify loosely as "Data Mining Techniques". Our paper focuses on the need for information repositories and discovery of knowledge and thence the overview of, the so hyped, Data Warehousing and Data Mining. 2
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Content Overview Page No Introduction 4 Warehouse with a database 5 What is Data-Warehousing? 5 Warehousing Functions 7 Architecture of Data Warehouse 7 What is Data Mining? 8 Warehousing and Mining 8 Data Mining as a part of Knowledge Discovery 9 Goals of Data Mining and Knowledge Discovery 10 Compendium 11 Bibliography 11 3
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Introduction “Knowledge [no more Information] is not only power, but also has significant competitive advantage” Organizations have lately realized that just processing transactions and/or information’s faster and more efficiently, no longer provides them with a competitive advantage vis-à-vis their competitors for achieving business excellence. Information technology (IT) tools that are oriented towards knowledge processing can provide the edge that organizations need to survive and thrive in the current era of fierce competition. The increasing competitive pressures and the desire to leverage information technology techniques have led many organizations to explore the benefits of new emerging technology – viz. "Data Warehousing and Data Mining". What is needed today is not just the latest and updated to the nano-second information, but the cross-functional information that can help decisions making activity as "on-line" process. Evolution of Information Technology Tools The evolution of the information systems characterize the evolution of systems from data maintenance systems, to systems that transform the data into "information" for use in the decision making process. These systems supported the information acquisition from the database of
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