Concurrency Control in Distributed Database Systems PHILIP A. BERNSTEIN AND NATHAN GOODMAN Computer Corporation of America‚ Cambridge‚ Massachusetts 02139 In this paper we survey‚ consolidate‚ and present the state of the art in distributed database concurrency control. The heart of our analysts is a decomposition of the concurrency control problem into two major subproblems: read-write and write-write synchronization. We describe a series of synchromzation techniques for solving each subproblem
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COURSE NOTES Financial Mathematics MTH3251 Modelling in Finance and Insurance ETC 3510. Lecturer: Prof. Fima Klebaner School of Mathematical Sciences Monash University Semester 1‚ 2012 Contents 1 Lecture 1. Introduction. 1.1 Prices of stocks as functions of time . . . . . . . . . . . . . . . . . . 1.2 Simulated functions of time that look like stock prices . . . . . . . . 1.3 Example of modelling using Random Variables . . . . . . . . . . . . 2 Lecture 2. Random variables. Revision. 2.1 Random
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History In the United States‚ the National Television System Committee (for which the NTSC standard is named) standardized on 525 lines at 30 fps in 1940‚ with regular broadcasts starting on July 1‚ 1941. NTSC standard was updated to include first a non-compatible 441-line color standard in 1950‚ which was replaced by a compatible 525-line‚ 29.97fps color standard approved in 1953 and used to this day. Current high definition video standards were developed during the course of the advanced television
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Smart Antenna Systems for Mobile Communications FINAL REPORT Ivica Stevanovi´‚ Anja Skrivervik and Juan R. Mosig c January 2003 Laboratoire d’Electromagn´tisme et d’Acoustique e Ecole Polytechnique F´d´rale de Lausanne e e CH-1015 Lausanne Suisse http://lemawww.epfl.ch/ ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE Contents 1 Introduction 1.1 Evolution from Omnidirectional to Smart Antennas 1.1.1 1.1.2 1.1.3 1.2 . . . . . . . . . . . . . . . . . . . 1 4 4 5 5 8 8 10 14 17 17 19 20 21
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Workbook for Game Theory and Political Economy1 Martin Gregor IES‚ Charles University in Prague January 23‚ 2012 set of sample exercises has been created for the undergraduate course JEB064 Game Theory and Political Economy given by Martin Gregor at IES‚ Charles University‚ Prague. Each exercise includes a full solution. The workbook is a work in permanent construction. Any comment is more than welcome. 1 This 2 Contents 1 Essentials in game theory 1.1 Centipede game (Rasmusen 2007)
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1. South Australia (SA): SA’s nicknames are: Festival State‚ Better by Bike‚ The Wine State‚ The Defence State‚ The Creative State. Australian people from other states have another different name for SA: Crow Eaters. The reason for that name is because of the symbol on the flag of SA; it looks like a crow on a dinner plate. It is called The Wine State because it was becoming the dominant wine producing state by the beginning of the 20th century. It has more than 150‚000 acres of vineyards. Even
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Apple Strategic Assessment Strategic Assessment Economic features (Computer Market) o Size: $800 billion worldwide o The US market is controlled by five main companies‚ Dell‚ HP‚ Gateway‚ IBM and Apple. These companies control 64% of the US market and 40% of the international market. Apple only controls 2% of the international market. The markets have experience a substantial growth in recent years but are predicted to slow down to 8% unit sales growth from 2006 to 2009 in the US and European
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metre = r = 9 × 2.56 × 10 = 230.4 Newton r 10 30 –6 –6 q2 = 1.0 × 10 r = 10 cm = 0.1 m q1 = 2.0 × 10 Let the charge be at a distance x from q1 kqq 2 Kq1q q1 F1 = F2 = 2 (0.1 )2 2 Force = kq2 = 9 10 9 1.6 1.6 10 38 6. q xm (0.1–x) m 10 cm q2 = 9.9 2 10 6 10 9 q 2 f 1 = f2 Now since the net force is zero on the charge q. kq1q 2 = kqq 2 (0.1 )2 2 2 2(0.1 – ) = = 2 (0.1 – ) = From larger charge 29.1 0 .1 2 1 2
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Garmin (GRMN) Recommendation: Buy Industry: Communication Equipment Recent Price $59.37 Analyst: Jennifer Traynor Target Price $60.76 Report Date: 5/2/2007 Highlights • Large-cap growth stock with a market cap of $11.68 billion. • Garmin has the number one GPS market share of 50% in the U.S. and the number two GPS market share in Europe of 16.7% • Consumer demand for GPS products will continue to increase as technology improves and produces new and innovative products. • High historical ROIC
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