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New York University
(212 results)-
White Papers
Improving Data Mining Via Noisy Micro-Outsourcing
November 21, 2008, 12:00am PST
This work discussed in this paper focuses on problems where it is possible to obtain certain (noisy) data values ("Labels") relatively cheaply, from on-line micro outsourcing sources ("Non-expert...
Provided by New York University
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White Papers
RE-EM Trees: A New Data Mining Approach for Longitudinal Data
May 29, 2009, 12:00am PDT
Longitudinal data refer to the situation where repeated observations are available for each sampled individual. Methodologies that take this structure into account allow for systematic differences...
Provided by New York University
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White Papers
Estimating the Socio-Economic Impact of Product Reviews: Mining Text and Reviewer Characteristics
September 1, 2008, 12:00am PDT
This paper is the first study that integrates econometric, text mining, and predictive modeling techniques toward a more complete analysis of the information captured by user-generated online...
Provided by New York University
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White Papers
Selling Out on the UN Security Council
May 26, 2009, 12:00am PDT
Election to the United Nations Security Council (UNSC) provides non-democratic nations with an opportunity to trade policy support in exchange for aid and other forms of financial assistance. This...
Provided by New York University
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White Papers
The Sarbanes Oxley Act of 2002: Implications for Compensation Contracts and Managerial Risk-Taking
September 9, 2009, 12:00am PDT
This paper shows that the period following the passage of the Sarbanes Oxley Act of 2002 (SOX) is associated with a significant reduction in compensation-based incentives to take risk, which is...
Provided by New York University
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White Papers
What Critiques of Sarbanes-Oxley Can Teach About Regulation of Nonprofit Governance
March 29, 2008, 12:00am PDT
Nonprofit corporations, of course, are not alone in having to satisfy both federal and state regulators. The history of regulation in this sector, combining state corporate law with federal tax...
Provided by New York University
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White Papers
The "Numbers Game" in the Pre and Post-Sarbanes-Oxley Eras
August 20, 2008, 12:00am PDT
This paper document a decline in the frequency of just meeting/beating analysts' earnings expectations in the aftermath of the 2001-2002 accounting scandals and the passage of the 2002...
Provided by New York University
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Case Studies
A Case Study: Workflow Analysis of Powerline Systems for Risk Management
June 8, 2008, 12:00am PDT
The case study deals with the challenges faced by utility companies in the implementation of automated approaches with regards to power line maintenance. This paper considers the use of two...
Provided by New York University
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White Papers
A Concurrent Programming Language Based on the Situation Calculus
November 14, 2007, 12:00am PST
Concurrent Programming Language, as a substitute to planning, is an approach to high-level agent control based on concurrent program execution. A formal definition in the situation calculus of...
Provided by York University
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White Papers
Get Another Label? Improving Data Quality and Data Mining Using Multiple, Noisy Labelers
August 27, 2008, 12:00am PDT
There are various costs associated with the preprocessing stage, including costs of acquiring features, formulating data, cleaning data, obtaining expert labeling of data etc. There persists...
Provided by New York University
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White Papers
Optimal Exercise Of Executive Stock Options And Implications For Firm Cost
November 29, 2007, 12:00am PST
As options have become a major component of corporate compensation, the demand for better valuation has intensified. The difficulty is that option cost depends on the exercise policies of...
Provided by New York University (Stern)
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White Papers
Network Hubs Buffer Environmental Variation in Saccharomyces Cerevisiae
November 1, 2008, 12:00am PDT
Regulatory and developmental systems produce phenotypes that are robust to environmental and genetic variation. A gene product that normally contributes to this robustness is termed a phenotypic...
Provided by New York University
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White Papers
The Two-Handed Desktop Interface: Are We There Yet?
January 1, 2010, 12:00am PST
Authors argue that today's desktop systems poorly engage the hands of users, and reveal a left-hand bias. Arguments are supported by examples and theory - by juxtaposing the affordances of...
Provided by York University
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White Papers
Constrained Component Deployment in Wide-Area Networks using AI Planning Techniques
January 1, 2010, 12:00am PST
Component-based models represent a dominant trend in the construction of wide-area network applications, making possible the integration of diverse functionality contained in modules distributed...
Provided by New York University
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White Papers
Unlocking Knowledge Transfer Potential: Knowledge Demonstrability And Superordinate Social Identity
February 23, 2009, 12:00am PST
This paper presents a conceptual model of when and how knowledge demonstrability and superordinate social identity impact the likelihood that organizations capitalize on their knowledge resources....
Provided by New York University (Stern)
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White Papers
How Call Center Location Impacts Expectations of Service From Reputable Versus Lesser Known Firms
December 3, 2007, 12:00am PST
Businesses are increasingly turning to call service centers located abroad to provide customer support. Although the country-of-origin literature as well as other reports may lead one to believe...
Provided by New York University
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White Papers
The Modern Call-Center: A Multi-Disciplinary Perspective on Operations Management Research
April 18, 2007, 12:00am PDT
Call centers are an increasingly important part of today's business world, employing millions of agents across the globe and serving as a primary customer-facing channel for firms in many...
Provided by New York University
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White Papers
Robust Cooperative Relaying in a Wireless LAN: Cross-Layer Design and Performance Analysis
October 27, 2009, 12:00am PDT
A key technology in cooperative communications is Distributed Space-Time Coding (DSTC) which achieves spatial diversity gain from multiple relays. A novel DSTC, called Randomized Distributed...
Provided by New York University
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White Papers
Retail Advertising Works! Measuring The Effects Of Advertising On Sales Via A Controlled Experiment On Yahoo!
November 18, 2008, 12:00am PST
A randomized experiment performed in cooperation between Yahoo! and a major retailer allows to measure the effects of online advertising on sales. The authors exploit a match of over one million...
Provided by New York University
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White Papers
Caching Characteristics of Internet and Intranet Web Proxy Traces
January 21, 2008, 12:00am PST
This paper studies the caching characteristics of HTTP requests and responses that pass through production Web proxies. This paper evaluates caching opportunities and problems. Traces with 5.9...
Provided by New York University
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White Papers
Fuzzy Extractors: How to Generate Strong Keys From Biometrics and Other Noisy Data
January 20, 2008, 12:00am PST
This paper provides formal definitions and efficient secure techniques for turning noisy information into keys usable for any cryptographic application, and, in particular, reliably and securely...
Provided by New York University
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White Papers
Secure Remote Authentication Using Biometrics
October 20, 2010, 12:00am PDT
Biometrics offer a potential source of high-entropy, secret information. Before such data can be used in cryptographic protocols, however, two issues must be addressed: biometric data are not...
Provided by New York University
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White Papers
Using Lexical Semantic Analysis To Derive Online Brand Positions: An Application To Retail Marketing Research
May 29, 2009, 12:00am PDT
This paper provides an innovative approach to brand tracking in the context of online retail shopping by deriving meaning from the vast amount of information stored in online search engine...
Provided by New York University
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White Papers
On Decision Making Without Likelihood Judgment
August 9, 2006, 12:00am PDT
Subjective expected utility, prospect theory and most other formal models of decision making under uncertainty are probabilistic: they assume that in making choices people judge the likelihood of...
Provided by New York University
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White Papers
SV-BCMCS: Scalable Video Multicast in Hybrid 3G/Ad-Hoc Networks
April 13, 2010, 12:00am PDT
Mobile video broadcasting service, or mobile TV, is a promising application for 3G wireless network operators. Most existing solutions for video broadcast/multicast services in 3G networks employ...
Provided by New York University
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White Papers
Credit Constraints, Job Mobility And Entrepreneurship: Evidence From A Property Reform In China
December 1, 2008, 12:00am PST
This paper provides new evidence on the impact of private property rights on entrepreneurship. The author explores this issue in the context of a housing reform in urban China that allowed state...
Provided by New York University
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White Papers
Market Liquidity, Investor Participation, And Managerial Autonomy: Why Do Firms Go Private?
August 1, 2008, 12:00am PDT
The authors focus on public-market investor participation to analyze the firm's decision to stay public or go private. The liquidity of public ownership is both a blessing and a curse - it lowers...
Provided by New York University
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White Papers
Security Amplification for Interactive Cryptographic Primitives
December 23, 2008, 12:00am PST
Security amplification is an important problem in Cryptography: starting with a "Weakly secure" variant of some cryptographic primitive, the goal is to build a "Strongly secure" variant of the...
Provided by New York University
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White Papers
Kademlia: A Peer-to-Peer Information System Based on the XOR Metric
November 8, 2007, 12:00am PST
The authors describe a peer-to-peer distributed hash table with provable consistency and performance in a fault-prone environment. The system routes queries and locates nodes using a novel...
Provided by New York University
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White Papers
Effects of Information Disclosure Under First-And Second-Price Auctions in a Supply Chain Setting
February 1, 2008, 12:00am PST
The authors study a supply chain where an upstream supplier auctions his inventory or capacity as a bundle. The importance of this setting is two-fold: From a practical point of view, there are...
Provided by New York University (Stern)
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White Papers
Performance Analysis of a Hybrid TDMA/CDMA Protocol With Reactive Congestion Control
August 24, 2006, 12:00am PDT
In multiple access protocols, channel resources (Such as time or code) can be reallocated following the variation of queue length status, and such a reactive control scheme may thus provide...
Provided by New York University
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Software
YorkU Social Connect 1.0 (Mobile)
November 13, 2010, 12:00am PST
Future students can connect with York University through a variety of social networking sites and YorkU Social Connect brings many of those connections directly to your phone. Whether you're...
Provided by York University
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White Papers
Liquidity And Monetary Policy
October 16, 2010, 12:00am PDT
In the period leading up to the financial crisis of 2007-2008, financial institutions of all sorts increased their leverage in the wholesale markets, relying heavily on collateralized borrowing in...
Provided by New York University
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White Papers
Touchscreens Vs. Traditional Controllers in Handheld
April 27, 2010, 12:00am PDT
The authors present a study which compares touchscreen-based controls and physical controls for game input using Ubisoft's Assassin's Creed: Altair's Chronicles. The study used the Apple iPhone as...
Provided by York University
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White Papers
Dynamic Incentive Accounts
May 18, 2010, 12:00am PDT
The authors study optimal executive compensation in a dynamic framework that incorporates many important features of the CEO Job absent from a static setting. Shocks to firm value may weaken the...
Provided by New York University
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White Papers
Illiquidity And Under-Valuation Of Firms
October 11, 2009, 12:00am PDT
The authors study a competitive model in which market incompleteness implies that debt-financed firms may default in some states of nature and default may lead to the sale of the firms' assets at...
Provided by New York University
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White Papers
Detection of a Virtual Passive Pointer
May 18, 2009, 12:00am PDT
The paper presents a methodology for detecting a virtual passive pointer. The passive pointer or device does not have any active energy source within it (as opposed to a laser pointer) and thus...
Provided by New York University
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White Papers
An Introduction To Financial Crises
August 14, 2007, 12:00am PDT
Crises have been a feature of the financial landscape for hundreds of years. They often appear without warning as the sub-prime mortgage crisis of August 2007 illustrates. A good example of a...
Provided by New York University
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White Papers
Price Dispersion In OTC Markets: A New Measure Of Liquidity
May 1, 2008, 12:00am PDT
In this paper, the authors model price dispersion effects in Over-The-Counter (OTC) markets to show that in the presence of inventory risk for dealers and search costs for investors, traded prices...
Provided by New York University
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White Papers
Learning And Inference In Massive Social Networks
May 26, 2007, 12:00am PDT
Researchers and practitioners increasingly are gaining access to data on explicit social networks. For example, telecommunications and technology firms record data on consumer networks (via phone...
Provided by New York University
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Software
34th Annual NYU International Hospitality Industry Investment Conference 1.1 (iOS)
May 9, 2012, 12:00am PDT
On June 3 5, 2012 in New York City, the tourism and finance capital of the world, lodging leaders from around the globe will convene at the 34th Annual NYU International Hospitality Industry...
Provided by New York University
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White Papers
View-Upload Decoupling: A Redesign of Multi-Channel P2P Video Systems
August 29, 2008, 12:00am PDT
In current multi-channel live P2P video systems, there are several fundamental performance problems including exceedingly-large channel switching delays, long playback lags, and poor performance...
Provided by Polytechnic Institute of New York University
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White Papers
ViVUD: Virtual Server Cluster Based View-Upload Decoupling for Multi-Channel P2P Video Streaming Systems
July 26, 2010, 12:00am PDT
Despite the success to deliver increasingly large number of channels to millions of users, the current multichannel P2P video streaming systems still suffer several fundamental performance...
Provided by Polytechnic Institute of New York University
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White Papers
Investigating the Scheduling Sensitivity of P2P Video Streaming: An Experimental Study
November 24, 2008, 12:00am PST
With the fast penetration of broadband residential accesses, Video-over-IP applications are quickly becoming the new generation "Killer" applications on the Internet. Traditionally, videos are...
Provided by Polytechnic Institute of New York University
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White Papers
Incentivized Peer-Assisted Streaming for On-Demand Services
November 12, 2009, 12:00am PST
As an efficient distribution mechanism, Peer-To-Peer (P2P) technology has become a tremendously attractive solution to offload servers in large-scale video streaming applications. However, in...
Provided by Polytechnic Institute of New York University
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White Papers
Delay Bounds of Peer-to-Peer Video Streaming
June 21, 2009, 12:00am PDT
Peer-To-Peer (P2P) systems exploit the uploading bandwidth of individual peers to distribute content at low server cost. While the P2P bandwidth sharing design is very efficient for bandwidth...
Provided by Polytechnic Institute of New York University
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White Papers
Scalable Video Multicast in Hybrid 3G/Ad-Hoc Networks
May 5, 2009, 12:00am PDT
Mobile video broadcasting service, or mobile TV, is expected to become a popular application for 3G wireless network operators. Most existing solutions for video BroadCast MultiCast Services...
Provided by Polytechnic Institute of New York University
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White Papers
Peer-to-Peer Streaming of Layered Video: Efficiency, Fairness and Incentive
May 27, 2010, 12:00am PDT
Recent advance in Scalable Video Coding (SVC) makes it possible for users to receive the same video with different qualities. To adopt SVC in P2P streaming, two key design questions need to be...
Provided by Polytechnic Institute of New York University
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White Papers
Managing Cohort Movement of Mobile Sensors Via GPS-Free & Compass-Free Node Localization
November 25, 2009, 12:00am PST
A critical problem in mobile ad-hoc wireless sensor networks is each node's awareness of its position relative to the network. This problem is known as localization. In this paper, the authors...
Provided by Polytechnic Institute of New York University
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White Papers
Security Through Entertainment: Experiences Using a Memory Game for Secure Device Pairing
May 6, 2010, 12:00am PDT
The secure "Pairing" of wireless devices based on auxiliary or Out-Of-Band (OOB) communication, such as audio, visual, or tactile channels, is a well-established research direction. However, prior...
Provided by Polytechnic Institute of New York University
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White Papers
Message Authentication, Revisited
February 8, 2012, 12:00am PST
Message Authentication Codes (MACs) are one of the most fundamental primitives in cryptography. Historically, a vast majority of MAC constructions are based on Pseudo-Random Functions (PRFs). In...
Provided by New York University
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White Papers
Cloud-Assisted Multiparty Computation From Fully Homomorphic Encryption
December 7, 2011, 12:00am PST
The authors construct protocols for secure multiparty computation with the help of a computationally powerful party, namely the "Cloud". Their protocols are simultaneously efficient in a number of...
Provided by New York University
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White Papers
Efficient Network Coding Signatures in the Standard Model
March 7, 2012, 12:00am PST
Network Coding is a routing technique where each node may actively modify the received packets before transmitting them. While this departure from passive networks improves throughput and...
Provided by New York University
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White Papers
Towards a Representive Testbed: Harnessing Volunteers for Networks Research
March 6, 2012, 12:00am PST
A steady rise in home systems has been seen over the past few years. As more systems are designed and deployed, an appropriate testbed is required to test these systems. Several systems exist,...
Provided by Polytechnic Institute of New York University
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White Papers
Security Challenges During VLSI Test
May 19, 2011, 12:00am PDT
VLSI testing is a practical requirement, but unless proper care is taken, features that enhance testability can reduce system security. Data confidentiality and intellectual property protection...
Provided by Polytechnic Institute of New York University
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White Papers
Automated Model-Based Verification of Object-Oriented Code
July 7, 2006, 12:00am PDT
ESpec is a suite of tools that facilitates the testing and verification of object-oriented Eiel programs in an integrated environment. The suite includes unit testing tools (ES-Test) and Fit...
Provided by York University
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White Papers
Verifying Properties Beyond Contracts of SCOOP Programs
June 23, 2006, 12:00am PDT
SCOOP and Spec# are programming languages that aim to extend Design by Contract to concurrent and reactive systems. In this paper, the authors discuss how appropriate theorem provers (using...
Provided by York University
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White Papers
Distributed CQL Made Easy
January 20, 2011, 12:00am PST
This paper is about making it easy to implement a distributed CQL. CQL is a continuous query language that extends SQL with a notion of windows over infinite streams of data. Programmers like...
Provided by New York University
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White Papers
A Call Admission Control Protocol for Multimedia Cellular Networks
November 1, 2008, 12:00am PDT
The performance of any cellular wireless network, as well as its revenue (number of customers using the network, and their degree of satisfaction) is determined to a great extent by its Call...
Provided by York University
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White Papers
Secure Routing for Wireless Mesh Networks
May 25, 2010, 12:00am PDT
This paper describes a Security Enhanced AODV routing protocol for wireless mesh networks (SEAODV). SEAODV employs Blom's key pre-distribution scheme to compute the Pairwise Transient Key (PTK)...
Provided by York University
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White Papers
Fast Authentication for Mobility Support in Wireless Mesh Networks
January 10, 2011, 12:00am PST
The authors propose new authentication protocols that support fast hand-off for real-time applications such as voice over IP and audio/video conferencing in Wireless Mesh Networks (WMNs). A client...
Provided by York University
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White Papers
Algorithms for Bandwidth Efficient Multicast Routing in Multi-Channel Multi-Radio Wireless Mesh Networks
January 10, 2011, 12:00am PST
Traditional multicast routing algorithms such as Shortest Path Tree (SPT) and Steiner Tree (MST) do not consider the wireless broadcast advantage or the underlying channel assignments in a...
Provided by York University
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White Papers
Blink 'Em All: Scalable, User-Friendly and Secure Initialization of Wireless Sensor Nodes
September 6, 2009, 12:00am PDT
Wireless sensor networks have several useful applications in commercial and defense settings, as well as user-centric personal area networks. To establish secure (point-to-point and/or broadcast)...
Provided by Polytechnic Institute of New York University
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White Papers
Still and Silent: Motion Detection for Enhanced RFID Security and Privacy Without Changing the Usage Model
June 1, 2010, 12:00am PDT
Personal RFID devices-found, e.g., in access cards and contactless credit cards-are vulnerable to unauthorized reading, owner tracking and different types of relay attacks. The authors observe...
Provided by Polytechnic Institute of New York University
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White Papers
On the Insecurity of Proactive RSA in the URSA Mobile Ad Hoc Network Access Control Protocol
July 5, 2010, 12:00am PDT
Access control is the fundamental security service in ad hoc groups. It is needed not only to prevent unauthorized entities from joining the group, but also to bootstrap other security services....
Provided by Polytechnic Institute of New York University
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White Papers
Tree-Based HB Protocols for Privacy-Preserving Authentication of RFID Tags
July 12, 2010, 12:00am PDT
An RFID reader must authenticate its designated tags in order to prevent tag forgery and counterfeiting. At the same time, due to privacy requirements of many applications, a tag should remain...
Provided by Polytechnic Institute of New York University
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White Papers
Data Remanence Effects on Memory Based Entropy Collection for RFID Systems
May 13, 2011, 12:00am PDT
Random number generation is a fundamental security primitive. This relatively simple requirement is beyond the capacity of passive RFID (Radio Frequency IDentification) tags, however. A recent...
Provided by Polytechnic Institute of New York University
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White Papers
Low-Complexity Cooperation With Correlated Sources: Diversity Order Analysis
February 26, 2009, 12:00am PST
Wireless sensor networks, which consist of numerous devices that take measurements of a physical phenomenon, are commonly used to observe phenomena that are correlated in space. In this paper, the...
Provided by York University
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White Papers
A Simple Mathematical Model for Information Rate of Active Transport Molecular Communication
March 7, 2011, 12:00am PST
In molecular communication, gaps in the underlying theoretical and mathematical framework create numerous challenges. Currently, most researchers rely on simulations to study these systems....
Provided by York University
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White Papers
Resource Allocation Via Linear Programming for Multi-Source, Multi-Relay Wireless Networks
February 4, 2010, 12:00am PST
In a cooperative wireless network, there may be many potential relays within radio range of a source; similarly, there may be many potential sources seeking to use relays. Allocating these...
Provided by York University
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White Papers
Layered Randomized Cooperative Multicast for Lossy Data: A Superposition Approach
March 2, 2009, 12:00am PST
In this paper, the authors consider randomized distributed cooperation for multicasting a source signal with end-to-end distortion used as a performance metric. In order to provide differentiated...
Provided by Polytechnic Institute of New York University
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White Papers
NCOM: Network Coding Based Overlay Multicast in Wireless Networks
January 5, 2011, 12:00am PST
The capacity of wireless networks are increasingly challenged by the traffic stresses generated by data-intensive applications. Multicast is a bandwidth-efficient solution to simultaneously...
Provided by Polytechnic Institute of New York University
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White Papers
On the Capacity of Hybrid Wireless Networks With Opportunistic Routing
September 21, 2009, 12:00am PDT
This paper studies the capacity of hybrid wireless networks with Opportunistic Routing (OR). The authors first extend the opportunistic routing algorithm to exploit high-speed data transmissions...
Provided by New York University
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White Papers
Interference Channel Aided by an Infrastructure Relay
April 16, 2009, 12:00am PDT
A Gaussian Interference Channel with an Infrastructure Relay (ICIR) is investigated. The relay has finite-capacity links to both sources and destinations that are orthogonal to each other and to...
Provided by Polytechnic Institute of New York University
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Software
Sell Books York 1.0 (Mobile)
August 26, 2011, 12:00am PDT
Sell your used textbooks to the York University Bookstore using this instant price quote app! It allows you to scan the barcodes of books that you'd like to sell using your phone's camera. You'll...
Provided by York University Bookstore
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White Papers
Estimating Government Discretion In Fiscal Policy Making
July 26, 2010, 12:00am PDT
Varieties of Capitalism (VoC) is a relatively new approach to describe macroeconomic differences across countries, classifying them into Coordinated Market Economies (CMEs) and Liberal Market...
Provided by New York University
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White Papers
Rethinking Wireless for the Developing World
November 9, 2006, 12:00am PST
Many rural regions in developing and developed countries with low user densities do not have good connectivity solutions. To date, networking research has largely focused on urban areas of the...
Provided by New York University
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White Papers
Credit Market Conditions And Economy-Wide Consequences Of Financial Reporting Quality
January 1, 2009, 12:00am PST
The author examines the aggregate economic consequences of financial reporting quality (via its relation to the level of information asymmetry between firms and providers of capital). Economic...
Provided by New York University
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White Papers
Financing Multi-Stage Projects Under Moral Hazard And Limited Commitment
May 8, 2007, 12:00am PDT
The authors present the optimal contract for financing a project that has N stages to be completed sequentially when the principal cannot commit to abandoning the project before it is completed...
Provided by York University
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White Papers
Packet Loss Characterization in WiFi-Based Long Distance Networks
January 1, 2011, 12:00am PST
Despite the increasing number of WiFi-based Long Distance (WiLD) network deployments, there is a lack of understanding of how WiLD networks perform in practice. In this paper, the authors perform...
Provided by New York University
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