Abstract.
We introduce captcha, an automated test that humans can pass, but current computer programs canâ„¢t pass: any program that has high success over a captcha can be used to solve an unsolved Arti?- cial Intelligence (AI) problem. We provide several novel constructions of captchas. Since captchas have many applications in practical secu- rity, our approach introduces a new class of hard problems that can be exploited for security purposes. Much like research in cryptography has had a positive impact on algorithms for factoring and ....etc

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ABSTRACT

PMG- Kesavadasapuram Road has turned to be one of the busiest roads in Thiruvananthapuram city. It is the main connecting page link between the central business district and the main residential areas in Thiruvananthapuram city. The numbers of vehicles are going on increasing at an alarming rate. The commercialization of the area is also happening at a fast rate. The investment on roads and for parking facilities have not kept in pace with these growing traffic leading to congestion and accidents. Though multistoried office ....etc

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Power electronics remains an emerging technology. Two important factors in power electronics system are the switching speed of the devices and the total power loss in the system. If the switching speed can be increased ,improvements may be possible i.e. current ripples in an electrical machine or physical size of passive components may be reduced. Increased switching speed may cause additional losses in a power electronics system and increase the system cooling requirement. A common problem is that high-frequency phenomena like proximity eff ....etc

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I want this ppt to give presentation in my college. Send this pdf file to so that i can download that ....etc

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Abstract
This seminar describes the main issues facing the development of telerobotics systems connected to the Internet. The initial hurdle relates to the definition and implementation of an appropriate communication protocol for delivering real-time data. Two of the solutions proposed in the literature are briefly summarized. Then examines the issues relevant to control systems in the presence of time delay, with particular reference to telerobotic systems with force feedback. The delay introduced by Internet connections have specific charac ....etc

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looking for project report of custom house ....etc

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10/10/2012....3.08AM... MORNING.
IM WAN ZULAZILWATY FROM MALAYSIA.
NOW IM IN UNIVERSITY TEKNOLOGI MARA, SHAH ALAM SELANGOR IN COURSE LAST YEAR TOWN AND REGIONNAL PLANNING (HONS).
IM DOING MY THESIS. THE TITLE IS A PERCEPTION ON URBAN PARKING PROBLEM. I HOPE I WILL GET THE EXAMPLE OF THE THESIS FOR MY LEARNING AND TO HELP AND SUPPORT MY MATERIAL THESIS. THANKS ....etc

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Pleare give me ppt on urban problems related to energy ....etc

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this is very good..easy to study and understand dhi topics..i prefer everyone to by this book for studying. it is in simple language to make understand us. ....etc

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Power electronics remains an emerging technology. Two important factors in power electronics system are the switching speed of the devices and the total power loss in the system. If the switching speed can be increased ,improvements may be possible i.e. current ripples in an electrical machine or physical size of passive components may be reduced. Increased switching speed may cause additional losses in a power electronics system and increase the system cooling requirement. A common problem is that high-frequency phenomena like proximity eff ....etc

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