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Polytechnic Institute of NYU
(23 results)-
White Papers
Collaborative Email-Spam Filtering With the Hashing-Trick
June 23, 2009, 12:00am PDT
This paper delves into a recently proposed technique for collaborative spam filtering that facilitates personalization with finite-sized memory guarantees. In large scale open membership email...
Provided by Polytechnic Institute of NYU
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White Papers
Hardware-Assisted Secure Virtualization
July 12, 2009, 12:00am PDT
Securing Virtual Machines (VM) is a major concern in virtualizing commodity Operating Systems (OS). Virtual Machine Monitors (VMM) like Xen require a full-blown privileged OS, VM0 to manage guest...
Provided by Polytechnic Institute of NYU
-
White Papers
Regulation Simulation
July 15, 2009, 12:00am PDT
A deterministic trading strategy by a representative investor on a single market asset, which generates complex and realistic returns with its first four moments similar to the empirical values of...
Provided by Polytechnic Institute of NYU
-
White Papers
Understanding and Improving Incentives in Private P2P Communities
January 14, 2010, 12:00am PST
Incentive mechanisms play a critical role in P2P systems. Private BitTorrent sites use a novel incentive paradigm, where the sites record upload and download amounts of users and require each user...
Provided by Polytechnic Institute of NYU
-
White Papers
Queuing Network Models for Multi-Channel P2P Live Streaming Systems
April 14, 2009, 12:00am PDT
In recent years there have been several large-scale deployments of P2P live video systems. Existing and future P2P live video systems will offer a large number of channels, with users switching...
Provided by Polytechnic Institute of NYU
-
White Papers
Collaborative Spam Filtering With the Hashing Trick
November 1, 2009, 12:00am PDT
User feedback is vital to the quality of the collaborative spam filters frequently used in open membership email systems such as Yahoo Mail or Gmail. Users occasionally designate emails as spam or...
Provided by Polytechnic Institute of NYU
-
White Papers
Use of Devolved Controllers in Data Center Networks
March 29, 2011, 12:00am PDT
In a data center network, for example, it is quite often to use controllers to manage resources in a centralized manner. Centralized control, however, imposes a scalability problem. In this paper,...
Provided by Polytechnic Institute of NYU
-
White Papers
BitTorrent Darknets
December 23, 2009, 12:00am PST
A private BitTorrent site (also known as a "Bit-Torrent darknet") is a collection of torrents that can only be accessed by members of the darknet community. The private BitTorrent sites also have...
Provided by Polytechnic Institute of NYU
-
White Papers
Inflight Modifications of Content: Who are the Culprits?
April 2, 2011, 12:00am PDT
When a user requests content from a cloud service provider, sometimes the content sent by the provider is modified inflight by third-party entities. To the author's knowledge, there is no...
Provided by Polytechnic Institute of NYU
-
White Papers
A Name-Centric Approach to Gender Inference in Online Social Networks
March 11, 2010, 12:00am PST
Traditionally it has been laborious, via census or otherwise, to obtain a contemporary list of people's names. By crawling Facebook public profile pages of a large and diverse user population in...
Provided by Polytechnic Institute of NYU
-
White Papers
Understanding Peer Exchange in BitTorrent Systems
June 21, 2010, 12:00am PDT
Peer EXchange (PEX), in which peers directly exchange with each other lists of active peers in the torrent, has been widely implemented in modern BitTorrent clients for decentralized peer...
Provided by Polytechnic Institute of NYU
-
White Papers
Waiting for Anonymity: Understanding Delays in Tor
January 14, 2010, 12:00am PST
Although Tor is the most widely used system for providing anonymity services, its users often experience very high delays. Because much of Tor usage is for Web applications, which are sensitive to...
Provided by Polytechnic Institute of NYU
-
White Papers
Waiting for Anonymity: Understanding Delays in the Tor Overlay
June 21, 2010, 12:00am PDT
Although Tor is the most widely used overlay for providing anonymity services, its users often experience very high delays. Because much of Tor usage is for Web applications, which are sensitive...
Provided by Polytechnic Institute of NYU
-
White Papers
Relay Channel With Structured Interference Known at the Source
November 27, 2010, 12:00am PST
The authors consider a relay channel in the presence of interference which is non-causally available only at the source. The interference signal may have structure, for example it could come from...
Provided by Polytechnic Institute of NYU
-
White Papers
Alternating-Offer Bargaining Games Over the Gaussian Interference Channel
September 27, 2010, 12:00am PDT
This paper tackles the problem of how two selfish users jointly determine the operating point in the achievable rate region of a two-user Gaussian interference channel through bargaining. In...
Provided by Polytechnic Institute of NYU
-
White Papers
Coordination and Bargaining Over the Gaussian Interference Channel
April 29, 2010, 12:00am PDT
This paper considers coordination and bargaining between two selfish users over a Gaussian interference channel using game theory. The usual information theoretic approach assumes full cooperation...
Provided by Polytechnic Institute of NYU
-
White Papers
Energy-Neutral Source-Channel Coding in Energy-Harvesting Wireless Sensors
March 31, 2011, 12:00am PDT
This paper addresses the problem of energy allocation over source compression and transmission for a single energy-harvesting sensor. An optimal class of policies is identified that simultaneously...
Provided by Polytechnic Institute of NYU
-
White Papers
On Exploiting the Interference Structure for Reliable Communications
February 9, 2010, 12:00am PST
Consider an additive Gaussian noise channel affected by an additive interference sequence, taken from a given codebook, which is known non-causally at the transmitter (e.g., via prior decoding)....
Provided by Polytechnic Institute of NYU
-
White Papers
Achievable Rates for Multicell Systems With Femtocells and Network MIMO
December 7, 2009, 12:00am PST
The uplink of a cellular system where macrocells are overlaid with femtocells is studied. Each femtocell is served by a Home Base Station (HBS) that is connected to the macrocell Base Station (BS)...
Provided by Polytechnic Institute of NYU
-
White Papers
Oblivious Relaying for Primitive Interference Relay Channels
January 14, 2010, 12:00am PST
Consider a relay node that needs to operate without knowledge of the codebooks (i.e., modulation, coding) employed by the assisted source-destination pairs. This paper studies the performance of...
Provided by Polytechnic Institute of NYU
-
White Papers
Interference Channel With a Half-Duplex Out-of-Band Relay
May 13, 2010, 12:00am PDT
A Gaussian Interference Channel (IC) aided by a half-duplex relay is considered, in which the relay receives and transmits in an orthogonal band with respect to the IC. The system thus consists of...
Provided by Polytechnic Institute of NYU
-
White Papers
Robust Communication Against Femtocell Access Failures
August 17, 2009, 12:00am PDT
A single macrocell serving a number of outdoor users, overlaid with a femtocell which includes several home users, is studied. The home users in the femtocell are served by a home base station...
Provided by Polytechnic Institute of NYU
-
White Papers
Secure Device Pairing Based on a Visual Channel: Design and Usability Study
November 22, 2010, 12:00am PST
Pairing is the establishment of authenticated key agreement between two devices over a wireless channel. Such devices are ad hoc in nature as they lack any common pre-shared secrets or trusted...
Provided by Polytechnic Institute of NYU
-
White Papers
Secure Device Pairing Based on a Visual Channel: Design and Usability Study
November 22, 2010, 12:00am PST
Pairing is the establishment of authenticated key agreement between two devices over a wireless channel. Such devices are ad hoc in nature as they lack any common pre-shared secrets or trusted...
Provided by Polytechnic Institute of NYU
-
White Papers
Robust Communication Against Femtocell Access Failures
August 17, 2009, 12:00am PDT
A single macrocell serving a number of outdoor users, overlaid with a femtocell which includes several home users, is studied. The home users in the femtocell are served by a home base station...
Provided by Polytechnic Institute of NYU
-
White Papers
Interference Channel With a Half-Duplex Out-of-Band Relay
May 13, 2010, 12:00am PDT
A Gaussian Interference Channel (IC) aided by a half-duplex relay is considered, in which the relay receives and transmits in an orthogonal band with respect to the IC. The system thus consists of...
Provided by Polytechnic Institute of NYU
-
White Papers
Oblivious Relaying for Primitive Interference Relay Channels
January 14, 2010, 12:00am PST
Consider a relay node that needs to operate without knowledge of the codebooks (i.e., modulation, coding) employed by the assisted source-destination pairs. This paper studies the performance of...
Provided by Polytechnic Institute of NYU
-
White Papers
Achievable Rates for Multicell Systems With Femtocells and Network MIMO
December 7, 2009, 12:00am PST
The uplink of a cellular system where macrocells are overlaid with femtocells is studied. Each femtocell is served by a Home Base Station (HBS) that is connected to the macrocell Base Station (BS)...
Provided by Polytechnic Institute of NYU
-
White Papers
On Exploiting the Interference Structure for Reliable Communications
February 9, 2010, 12:00am PST
Consider an additive Gaussian noise channel affected by an additive interference sequence, taken from a given codebook, which is known non-causally at the transmitter (e.g., via prior decoding)....
Provided by Polytechnic Institute of NYU
-
White Papers
Energy-Neutral Source-Channel Coding in Energy-Harvesting Wireless Sensors
March 31, 2011, 12:00am PDT
This paper addresses the problem of energy allocation over source compression and transmission for a single energy-harvesting sensor. An optimal class of policies is identified that simultaneously...
Provided by Polytechnic Institute of NYU
-
White Papers
Coordination and Bargaining Over the Gaussian Interference Channel
April 29, 2010, 12:00am PDT
This paper considers coordination and bargaining between two selfish users over a Gaussian interference channel using game theory. The usual information theoretic approach assumes full cooperation...
Provided by Polytechnic Institute of NYU
-
White Papers
Alternating-Offer Bargaining Games Over the Gaussian Interference Channel
September 27, 2010, 12:00am PDT
This paper tackles the problem of how two selfish users jointly determine the operating point in the achievable rate region of a two-user Gaussian interference channel through bargaining. In...
Provided by Polytechnic Institute of NYU
-
White Papers
Relay Channel With Structured Interference Known at the Source
November 27, 2010, 12:00am PST
The authors consider a relay channel in the presence of interference which is non-causally available only at the source. The interference signal may have structure, for example it could come from...
Provided by Polytechnic Institute of NYU
-
White Papers
Waiting for Anonymity: Understanding Delays in the Tor Overlay
June 21, 2010, 12:00am PDT
Although Tor is the most widely used overlay for providing anonymity services, its users often experience very high delays. Because much of Tor usage is for Web applications, which are sensitive...
Provided by Polytechnic Institute of NYU
-
White Papers
Waiting for Anonymity: Understanding Delays in Tor
January 14, 2010, 12:00am PST
Although Tor is the most widely used system for providing anonymity services, its users often experience very high delays. Because much of Tor usage is for Web applications, which are sensitive to...
Provided by Polytechnic Institute of NYU
-
White Papers
Understanding Peer Exchange in BitTorrent Systems
June 21, 2010, 12:00am PDT
Peer EXchange (PEX), in which peers directly exchange with each other lists of active peers in the torrent, has been widely implemented in modern BitTorrent clients for decentralized peer...
Provided by Polytechnic Institute of NYU
-
White Papers
A Name-Centric Approach to Gender Inference in Online Social Networks
March 11, 2010, 12:00am PST
Traditionally it has been laborious, via census or otherwise, to obtain a contemporary list of people's names. By crawling Facebook public profile pages of a large and diverse user population in...
Provided by Polytechnic Institute of NYU
-
White Papers
Inflight Modifications of Content: Who are the Culprits?
April 2, 2011, 12:00am PDT
When a user requests content from a cloud service provider, sometimes the content sent by the provider is modified inflight by third-party entities. To the author's knowledge, there is no...
Provided by Polytechnic Institute of NYU
-
White Papers
BitTorrent Darknets
December 23, 2009, 12:00am PST
A private BitTorrent site (also known as a "Bit-Torrent darknet") is a collection of torrents that can only be accessed by members of the darknet community. The private BitTorrent sites also have...
Provided by Polytechnic Institute of NYU
-
White Papers
Use of Devolved Controllers in Data Center Networks
March 29, 2011, 12:00am PDT
In a data center network, for example, it is quite often to use controllers to manage resources in a centralized manner. Centralized control, however, imposes a scalability problem. In this paper,...
Provided by Polytechnic Institute of NYU
-
White Papers
Collaborative Spam Filtering With the Hashing Trick
November 1, 2009, 12:00am PDT
User feedback is vital to the quality of the collaborative spam filters frequently used in open membership email systems such as Yahoo Mail or Gmail. Users occasionally designate emails as spam or...
Provided by Polytechnic Institute of NYU
-
White Papers
Queuing Network Models for Multi-Channel P2P Live Streaming Systems
April 14, 2009, 12:00am PDT
In recent years there have been several large-scale deployments of P2P live video systems. Existing and future P2P live video systems will offer a large number of channels, with users switching...
Provided by Polytechnic Institute of NYU
-
White Papers
Understanding and Improving Incentives in Private P2P Communities
January 14, 2010, 12:00am PST
Incentive mechanisms play a critical role in P2P systems. Private BitTorrent sites use a novel incentive paradigm, where the sites record upload and download amounts of users and require each user...
Provided by Polytechnic Institute of NYU
-
White Papers
Regulation Simulation
July 15, 2009, 12:00am PDT
A deterministic trading strategy by a representative investor on a single market asset, which generates complex and realistic returns with its first four moments similar to the empirical values of...
Provided by Polytechnic Institute of NYU
-
White Papers
Hardware-Assisted Secure Virtualization
July 12, 2009, 12:00am PDT
Securing Virtual Machines (VM) is a major concern in virtualizing commodity Operating Systems (OS). Virtual Machine Monitors (VMM) like Xen require a full-blown privileged OS, VM0 to manage guest...
Provided by Polytechnic Institute of NYU
-
White Papers
Collaborative Email-Spam Filtering With the Hashing-Trick
June 23, 2009, 12:00am PDT
This paper delves into a recently proposed technique for collaborative spam filtering that facilitates personalization with finite-sized memory guarantees. In large scale open membership email...
Provided by Polytechnic Institute of NYU
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