A Review of Frequent Itemsets over Data Stream based on Data Mining Techniques Fayyaz Ahmed‚ Irfan Khan Department of Computer Science Comsats Institute of Science & Technology ABSTRACT Data stream is a continuous‚ unbounded and high speed of data. Stream data arrives from different distributed areas. It is impossible to store all data in active storage. Now a day’s mining data stream is a challenging task for the purpose of KKD‚ fraud detection‚ trend learning‚ transaction prediction
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online: 28 August 2009 Ó Springer-Verlag 2009 Abstract Chemical‚ physical‚ and biological features of streams and ground water of the North-Eastern area of Rome are jointly analyzed in order to assess the status of water resources. Ground water was investigated with classical survey methods (pH‚ temperature‚ and electric conductivity). Microbiological pollution‚ faunal composition‚ and stream surrounding area conditions of surface waters were studied‚ in order to quantify the residual value of these
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1. What are the revenue streams for TechMall? TechMall’s revenue streams are rather simplistic. They receive a $750 one time set-up fee from all new merchants added into the TechMall system and a $50 statement fee‚ or maintenance fee‚ per month from all members. In addition‚ they receive a fee on each sales transaction‚ which is variable based on the dollar volume of the merchant’s transactions. TechMall’s standard pricing schedule indicates this revenue stream to be in the form of a 2% commission
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Chapter 4 Fundamentals of Material Balances Material Balance-Part 1 Process Classification 3 type of chemical processes: 1. Batch process – Feed is charge to the process and product is removed when the process is completed – No mass is fed or removed from the process during the operation – Used for small scale production – Operate in unsteady state March 31‚ 2009 ChE 201/shoukat@buet.ac.bd 2 Process Classification 2. Continuous process – Input and output is continuously
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cooling of process streams. Heat integration of process streams is an effective way to reduce the cost of these utilities‚ and this process is often referred to as a MUMNE (minimum utility‚ and minimum number of exchangers) network. In this report three separate heat exchange designs were examined to find the best design in terms of cost. Each design used a different amount of heat integration for the same process streams. Case A used no integration‚ Case B used all the streams for integration
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1-Drainage system- A drainage system is the pattern formed by the streams‚ rivers‚ and lakes in a particular drainage basin. They are governed by the topography of the land‚ whether a particular region is dominated by hard or soft rocks‚ and the gradient of the land. 2-Drainage basin-A drainage basin is an extent or an area of land where surface water from rain and melting snow or ice converges to a single point‚ usually the exit of the basin‚ where the waters join another waterbody‚ such as a
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(15.2 in book - Stream Erosion) 1. What are watersheds? An area or ridge of land that separates waters flowing to different rivers‚ basins‚ or seas. 2. What does a watershed consist of? Watershed consists of the few underground springs and precipitation runoff from the land. 3. Why are watersheds important? We can get some of our water from them. They separate our water and keep it sanitary. We get to reuse the water from run off. 4. What is a tributary? a river or stream flowing into
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For example it can be argued that the extent of DF’s lesions was undermined by rejecting the possibitity that the damage might not have been completely restricted to the ventral stream (Ungerleider & Haxby‚ 1994). Ungerleider and Haxby argued that lesions in Brodmann’s eighteenth and nineteenth area can be both dorsal and ventral. This is also extremery relevand in the case of DF due to the fact that the damage to her visual system
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Problems for heat integration 1. The stream data extracted from a specified section of a chemical process are given in Table 1 below. Table 1: Stream Data Stream Supply Temperature TS (oC) Target Temperature TT (oC) Heat Duty (MW) No Type H1 H2 H3 C1 C2 Hot Hot Hot Cold Cold 150 40 130 150 50 30 40 100 150 140 7.2 10 3 10 3.6 You are required to perform a heat recovery analysis for the plant section stated above. Given the Tmin for the
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efforts to change tax and agricultural policies described by Mucciaroni (1994). Begin an analysis of those events using the multiple streams approach described in the Zahariadis (2014) reading. For each case provide answers to the following three prompts: What conditions constituted the problem stream? In regards to the tax reform part of the case‚ the problem stream includes the need to reduce taxes for middle class families and low-income families and to stimulate economic growth in certain industries
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