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Purdue University (Krannert)
(377 results)-
White Papers
Forensic Data Recovery From Flash Memory
June 1, 2007, 12:00am PDT
Current forensic tools for examination of embedded systems like mobile phones and PDA's mostly perform data extraction on a logical level and do not consider the type of storage media during data...
Provided by Purdue University (Krannert)
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White Papers
On Peer-to-Peer Media Streaming
January 1, 2008, 12:00am PST
This paper studies a peer-to-peer media streaming system with the following characteristics: its streaming capacity grows dynamically; peers do not exhibit server-like behavior; peers are...
Provided by Purdue University (Krannert)
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White Papers
Analysis of a CDN-P2P Hybrid Architecture for Cost-Effective Streaming Media Distribution
January 1, 2008, 12:00am PST
To distribute video and audio data in real-time streaming mode, two different technologies - Content Distribution Network (CDN) and Peer-to-Peer (P2P) - have been proposed. However, both...
Provided by Purdue University (Krannert)
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White Papers
A CDN-P2P Hybrid Architecture for Cost-Effective Streaming Media Distribution
January 1, 2008, 12:00am PST
To distribute video and audio data in real-time streaming mode, two different technologies - Content Distribution Network (CDN) and Peer-to-Peer (P2P) - have been proposed. However, both...
Provided by Purdue University (Krannert)
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White Papers
Analysis of a Hybrid Architecture for Cost-Effective Streaming Media Distribution
January 1, 2008, 12:00am PST
To distribute video and audio data in real-time streaming mode, both CDN (Content Distributed Network) based and peer-to-peer based architectures have been proposed. However, each architecture has...
Provided by Purdue University (Krannert)
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White Papers
Specification and Verification of a Context-Based Access Control Framework for Cyber Physical Systems
January 27, 2012, 12:00am PST
Cyber Physical Systems (CPS) are complex systems that operate in a dynamic environment where security characteristics of contexts are unique, and uniform access to secure resources anywhere...
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White Papers
Towards a Differentially Private Data Anonymization
January 31, 2012, 12:00am PST
Maximizing data usage and minimizing privacy risk are two conflicting goals. Organizations always hide the owners' identities and then apply a set of transformations on their data before releasing...
Provided by Purdue University
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White Papers
A Framework for Composition and Enforcement of Privacy-Aware and Context-Driven Authorization Mechanism for Complex Systems
October 19, 2011, 12:00am PDT
Security and privacy of complex systems is a concern due to proliferation of cyber based technologies. Several researchers have pointed out that for the proper enforcement of privacy rules in a...
Provided by Purdue University
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White Papers
3-Clique Attacks in Online Social Networks
September 9, 2011, 12:00am PDT
Online Social Networks (OSNs) have become ubiquitous in the past few years, counting hundreds of millions of people as members. In this paper, the authors show that the ease of accessing third...
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White Papers
Private Searching for Single and Conjunctive Keywords on Streaming Data
August 15, 2011, 12:00am PDT
Private searching on streaming data allows a user to collect potentially useful information from huge streaming sources of data without revealing his or her searching criteria. This technique can...
Provided by Purdue University
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White Papers
Attribute Based Group Key Management
May 6, 2011, 12:00am PDT
Attribute based systems enable fine-grained access control among a group of users each identified by a set of attributes. Secure collaborative applications need such flexible attribute based...
Provided by Purdue University
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White Papers
A New Scheme for Anonymous Secure Group Communication
September 11, 2010, 12:00am PDT
Anonymity is an important feature in many two party communication systems. Its main meaning is that either the message sender or the receiver (or both) is unidentifiable to other users, even...
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White Papers
Biometrics-Based Authentication: A New Approach
April 27, 2011, 12:00am PDT
Authentication is a fundamental issue to any trust oriented computing system and also a critical part in many security protocols. Performing authentication is notoriously difficult. Biometrics has...
Provided by Purdue University
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White Papers
Real-time Mobile-Cloud Computing for Context-Aware Blind Navigation
July 1, 2011, 12:00am PDT
Context-awareness is a critical aspect of safe navigation, especially for the blind and visually impaired in unfamiliar environments. Existing mobile devices for context-aware navigation fall...
Provided by Purdue University
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White Papers
A Novel Robust Routing Scheme Against Rushing Attacks in Wireless Ad Hoc Networks
August 28, 2009, 12:00am PDT
Standard on-demand routing protocols in wireless ad hoc networks were not originally designed to deal with security threats. Because of that, malicious users have been finding ways to attack...
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White Papers
Immunizing Mobile Ad Hoc Networks Against Collaborative Attacks Using Cooperative Immune Model
December 11, 2011, 12:00am PST
In this paper, a security problem of cooperative immunization against collaborative attacks such as blackhole attacks and wormhole attacks, in the mobile ad hoc networks such as the Worldwide...
Provided by Purdue University
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White Papers
Provable Partial Key Escrow
March 1, 2010, 12:00am PST
In this paper, the authors first propose two new concepts concerning the notion of key escrow schemes: provable partiality and independence. Roughly speaking, a scheme has provable partiality if...
Provided by Purdue University
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White Papers
On the Capacity of Immediately-Decodable Coding Schemes for Wireless Stored-Video Broadcast With Hard Deadline Constraints
January 6, 2011, 12:00am PST
Multimedia streaming applications have stringent Quality-of-Service (QoS) requirements. Typically, each packet is associated with a packet delivery deadline. This work models and considers...
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White Papers
Exhaustive Search for Small Fully Absorbing Sets and the Corresponding Low Error-Floor Decoder
April 29, 2010, 12:00am PDT
This paper provides an exhaustive search algorithm for Finding small Fully Absorbing Sets (FASs) of arbitrary Low-Density Parity-Check (LDPC) codes. In particular, given any LDPC code, the problem...
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White Papers
Pacifier: HighThroughput, Reliable Multicast Without "Crying Babies" in Wireless Mesh Networks
January 23, 2009, 12:00am PST
In contrast to unicast routing, high-throughput reliable multicast routing in Wireless Mesh Networks (WMNs) has received little attention. There are two primary challenges to supporting...
Provided by Purdue University
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White Papers
Bouncer: Policy-Based Fine Grained Access Control in Large Databases
April 1, 2011, 12:00am PDT
Current access control solutions in databases are based on tables and views. While view access control approach is flexible, it does not scale when the number of users (and therefore necessary...
Provided by Purdue University
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White Papers
A Systematic Approach for Evolving VLAN Designs
December 21, 2009, 12:00am PST
Enterprise networks are large and complex, and their designs must be frequently altered to adapt to changing organizational needs. The process of redesigning and reconfiguring enterprise networks...
Provided by Purdue University
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White Papers
Extracting Network-Wide Correlated Changes From Longitudinal Configuration Data
January 14, 2009, 12:00am PST
IP network operators face the challenge of making and managing router configuration changes to serve rapidly evolving user and organizational needs. Changes are expressed in low-level languages,...
Provided by Purdue University
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White Papers
Virtual MAN: A VLAN Management System for Enterprise Networks
June 15, 2009, 12:00am PDT
In this paper, the authors present Virtual MAN, a system which addresses plethora of unique challenges network operators face in managing Virtual Local Area Networks (VLANs) in enterprise...
Provided by Purdue University
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Whitepapers
An Energy-Efficient Approach for Provenance Transmission in Wireless Sensor Networks
April 15, 2012, 12:00am PDT
Assessing the trustworthiness of sensor data and transmitters of this data is critical for quality assurance. Trust evaluation frameworks utilize data provenance along with the sensed data values...
Provided by Purdue University
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Whitepapers
Content Retrieval Using Cloud-Based DNS
January 26, 2012, 12:00am PST
Cloud-computing systems are rapidly gaining momentum, providing flexible alternatives to many services. The authors study the Domain Name System (DNS) service, used to convert host names to IP...
Provided by Purdue University
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Whitepapers
Energy-Efficient Provenance Transmission in Large-Scale Wireless Sensor Networks
May 3, 2011, 12:00am PDT
Large-scale sensor-based decision support systems are being widely deployed. Assessing the trustworthiness of sensor data and the owners of this data is critical for quality assurance of decision...
Provided by Purdue University
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Whitepapers
Downscaling Network Scenarios With Denial of Service (DoS) Attacks
January 1, 2012, 12:00am PST
A major challenge that researchers face in studying Denial of Service (DoS) attacks is the size of the network to be investigated. A typical DoS attack usually takes place over a large portion of...
Provided by Purdue University
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Whitepapers
Multi-Armed Bandit Congestion Control in Multi-Hop Infrastructure Wireless Mesh Networks
June 18, 2012, 12:00am PDT
Congestion control in multi-hop infrastructure wireless mesh networks is both an important and a unique problem. It is unique because it has two prominent causes of failed transmissions which are...
Provided by Purdue University
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Whitepapers
PRIVATUS: Wallet-Friendly Privacy Protection for Smart Meters
June 18, 2012, 12:00am PDT
In smart power grids, a smart meter placed at a consumer-end point reports fine-grained usage information to utility providers. Based on this information, the providers can perform demand...
Provided by Purdue University
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Whitepapers
A Study of Soft Error Consequences in Hard Disk Drives
March 26, 2012, 12:00am PDT
Hard disk drives have multiple layers of fault tolerance mechanisms that protect against data loss. However, a few failures occasionally breach the entire set of mechanisms. To prevent such...
Provided by Purdue University
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Whitepapers
Automatic Fault Characterization Via Abnormality-Enhanced Classification
December 7, 2011, 12:00am PST
Enterprise and high-performance computing systems are growing extremely large and complex, employing many processors and diverse software/hardware stacks. As these machines grow in scale, faults...
Provided by Purdue University
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Whitepapers
An Empirical Study of the Robustness of Inter-Component Communication in Android
April 15, 2012, 12:00am PDT
Over the last three years, Android has established itself as the largest-selling operating system for smartphones. It boasts of a Linux-based robust kernel, a modular framework with multiple...
Provided by Purdue University
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Whitepapers
Secure Configuration of Intrusion Detection Sensors for Changing Enterprise Systems
July 22, 2011, 12:00am PDT
Current attacks to distributed systems involve multiple steps, due to attackers usually taking multiple actions to achieve their goals. Such attacks are called multi-stage attacks and have the...
Provided by Purdue University
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Whitepapers
V-CAPS: A Con Dentiality and Anonymity Preserving Routing Protocol for Content-Based Publish-Subscribe Networks
July 22, 2011, 12:00am PDT
Content-Based Publish-Subscribe (CBPS) is a widely used communication paradigm where publishers "Publish" messages and a set of subscribers receive these messages based on their interests through...
Provided by Purdue University
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Whitepapers
Dangers and Joys of Stock Trading on The Web: Failure Characterization of a Three-Tier Web Service
July 13, 2011, 12:00am PDT
Characterizing latent software faults is crucial to address dependability issues of current three-tier systems. A client should not have a misconception that a transaction succeeded, when in...
Provided by Purdue University
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Whitepapers
Dependence-Based Multi-Level Tracing and Replay for Wireless Sensor Networks Debugging
October 15, 2010, 12:00am PDT
Due to resource constraints and unreliable communication, Wireless Sensor Network (WSN) programming and debugging remain to be challenging tasks. Deterministic replay is an error diagnosis method...
Provided by Purdue University
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Whitepapers
RDAS: Reputation-Based Resilient Data Aggregation in Sensor Network
April 23, 2010, 12:00am PDT
Data aggregation in wireless sensor networks is vulnerable to security attacks and natural failures. A few nodes can drastically alter the result of the aggregation by reporting erroneous data. In...
Provided by Purdue University
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Whitepapers
Statistical Fault Detection for Parallel Applications With AutomaDeD
March 16, 2011, 12:00am PDT
Today's largest systems have over 100,000 cores, with million-core systems expected over the next few years. The large component count means that these systems fail frequently and often in very...
Provided by Purdue University
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Whitepapers
How to Keep Your Head Above Water While Detecting Errors
April 26, 2009, 12:00am PDT
Today's distributed systems need runtime error detection to catch errors arising from software bugs, hardware errors, or unexpected operating conditions. A prominent class of error detection...
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White Papers
Product Personalization And Customer Service Cost: An Empirical Analysis
February 1, 2008, 12:00am PST
This paper conduct a field study to examine how personalizing a product affects a firm's cost to serve the customers through its call center. In this setting, the product is a health insurance...
Provided by Purdue University (Krannert)
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White Papers
An Interface-Driven Analysis Of User Behavior Of An Electronic Health Records System
March 28, 2008, 12:00am PDT
This paper studies the user behavior of an electronic health records (EHR) system by discovering sequential usage patterns in clinicians' day-to-day interaction with the system's software user...
Provided by Purdue University (Krannert)
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White Papers
The Commodity Terms Of Trade, Unit Roots, And Nonlinear Alternatives: A Smooth Transition Approach
March 27, 2008, 12:00am PDT
This paper extends the recent literature on the Prebisch - Singer hypothesis of a long-run decline in the relative prices of primary commodities. The main innovation is testing for and estimating...
Provided by Purdue University (Krannert)
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White Papers
The Dynamics Of Organizational Culture And Knowledge Management
November 28, 2007, 12:00am PST
In the current knowledge driven business environment, sustainable competitive advantage is enabled through efficient management of intellectual resources (Ashworth et al. 2004; Kogut and Zander...
Provided by Purdue University (Krannert)
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White Papers
The Role Of External Accountants In Start-Up Firms
June 1, 2009, 12:00am PDT
Examining survey responses compiled from individuals in the process of starting a business, this study investigates factors influencing an entrepreneur's choice to hire an accountant to prepare...
Provided by Purdue University (Krannert)
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White Papers
Does The Exchange Rate Belong In Monetary Policy Rules? New Answers From a DSGE Model With Endogenous Tradability And Trade Frictions
January 1, 2009, 12:00am PST
This paper develops a 2-region DSGE model that integrates the theory of comparative advantage or endogenous tradability into a monetary model with nominal and real rigidities. The author fined...
Provided by Purdue University (Krannert)
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White Papers
Do Information Security Disclosures Reflect Future Incidents?
March 10, 2009, 12:00am PDT
This paper investigates how the nature of security related disclosures in financial reports is associated with breach announcements in the subsequent period. First build a decision tree to...
Provided by Purdue University (Krannert)
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White Papers
Does Web Disclosure Matter?
January 1, 2009, 12:00am PST
The purpose of this paper to examine the way in which corporate website disclosures complement or substitute for firm-specific information provided by other sources- and how they affect the stock...
Provided by Purdue University (Krannert)
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White Papers
The Efficiency Cost Of Child Tax Benefits
November 1, 2008, 12:00am PDT
Families with children receive preferential treatment in the U.S. federal income tax. Over the past 15 years, the real value of child tax benefits approximately doubled reaching nearly $1,900 per...
Provided by Purdue University (Krannert)
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White Papers
Large Shareholder Diversification And Corporate Risk-Taking
January 22, 2010, 12:00am PST
Using new data for the universe of firms covered in Amadeus, the paper reconstructs the equity portfolios of shareholders who hold equity stakes in private and publicly-traded European firms. This...
Provided by Purdue University (Krannert)
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White Papers
Economic Performance And Enterprise Culture
June 15, 2010, 12:00am PDT
This paper explores the impact of economic performance on national culture and specifically, whether higher levels of economic performance contribute to the formation of an "Enterprise" culture...
Provided by Purdue University (Krannert)
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White Papers
An Inventory Allocation System With Backorders And Sales Rejection
November 11, 2009, 12:00am PST
This paper considers a variant of the periodic review system with a virtual warehouse that is due to Eppen and Schrage (1981). Depending on the realized pattern of demand during the delivery...
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White Papers
A Periodic Review Base Stock Inventory System With Sales
April 30, 2010, 12:00am PDT
This paper considers a system in which an order is placed every T periods to bring the inventory position up to the base stock S. It accepts demand until the inventory position reaches a sales...
Provided by Purdue University (Krannert)
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White Papers
The Social Construction Of The Responsible Corporate Citizen: Sustainability Reports Of The Global Automotive Firms
May 6, 2009, 12:00am PDT
The constitutive meanings of responsible corporate environmental citizenship are to be found in global discourses. The author uses Gubrium and Holstein's framework on interpretive practice to...
Provided by Purdue University (Krannert)
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White Papers
Sheltering Corporate Assets From Political Extraction
January 1, 2008, 12:00am PST
The authors hypothesizes that firms structure their asset holdings so as to shelter assets from extraction by politicians and bureaucrats. Specifically, in countries where the threat of political...
Provided by Purdue University (Krannert)
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White Papers
Organizational Imprinting: Informing Firm Behavior In Domestic And International Contexts
October 22, 2008, 12:00am PDT
The authors argue that organizational imprinting theory provides an important causal mechanism and originating source for numerous behaviors which are applicable to several research literatures....
Provided by Purdue University (Krannert)
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White Papers
The Quality Of Accounting Information In Politically Connected Firms
December 11, 2007, 12:00am PST
Recent studies have documented systematic exchanges of favors between politicians and firms, and that connected firms, on average gain from political ties. Since these ties are often to a top...
Provided by Purdue University (Krannert)
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White Papers
Hedging Price Volatility Using Fast Transport
February 24, 2010, 12:00am PST
Purchasing goods from distant locations introduces a significant lag between when a product is shipped and when it arrives. These transit lags are trade barriers for firms facing volatile demand,...
Provided by Purdue University (Krannert)
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White Papers
A Symmetry Hypothesis And Measurement Biases In The Factor Content Of Trade
February 1, 2010, 12:00am PST
Laura Puzzello revisits Reimer (2006), and Trefler and Zhu (2005, 2006) (RTZ) tests of the Vanek proposition in the presence of international differences in production techniques and global...
Provided by Purdue University (Krannert)
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White Papers
Some Evidence On The Nature And Growth Of Input Trade
February 26, 2010, 12:00am PST
In this paper the authors examine the determinants of input trade. They employ an extension of a widely used model of intermediate input trade in which inputs and final goods are considered...
Provided by Purdue University (Krannert)
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White Papers
Determinants Of Export Growth In Transition Economy Firms: Institutions, Aspirations, Incentives, And Inertia
September 30, 2008, 12:00am PDT
Exports are an important source of revenue, especially in transitional economies. To better understand export growth, the paper examines the influence of institutional development, managerial...
Provided by Purdue University (Krannert)
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White Papers
The Characteristics Of Politically Connected Firms
June 1, 2007, 12:00am PDT
Evidence from firms in 47 countries shows that companies connected with officials have higher leverage and higher market shares, but they underperform nonconnected companies on an accounting...
Provided by Purdue University (Krannert)
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White Papers
Alchemist: A Transparent Dependence Distance Profiling Infrastructure
December 20, 2008, 12:00am PST
This paper describes event-based software that provide new opportunities for automatic refactoring such as Graphical User Interfaces (GUIs), web applications, and network protocols. Techniques...
Provided by Purdue University (Krannert)
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White Papers
Work in Progress - Using Graphical Programming Languages in the Introductory Programming Course
July 18, 2009, 12:00am PDT
First year engineering students are noted to have either a strong dislike for programming or an inability to write effective programs. This poses a problem, since many engineering departments...
Provided by Purdue University (Krannert)
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Case Studies
Emulation Versus Simulation: A Case Study of TCP-Targeted Denial of Service Attacks
January 1, 2010, 12:00am PST
This case study speaks about the application of simulation and emulation in the attack experimentation of Denial of Service (DoS). For this purpose, a low-rate TCP-targeted DoS attack has been...
Provided by Purdue University (Krannert)
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White Papers
Stochastic TCP: A Statistical Approach to Congestion Avoidance
February 21, 2008, 12:00am PST
High speed wide area networks offer a challenging environment for transmission protocols seeking an optimal balance between efficiency and fairness. Poor TCP performance in these environments is...
Provided by Purdue University (Krannert)
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White Papers
Strategic Planning White Paper: Student Access and Success Working Group in College of Agriculture
February 2, 2009, 12:00am PST
Purdue Agriculture has an excellent national and international reputation for providing a great education for its students. Many of the programs are among the top tier in the country and the...
Provided by Purdue University (Krannert)
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White Papers
Real-Time Data Delivery and Remote Visualization Through Multi-Layer Interfaces
December 9, 2008, 12:00am PST
The high resolution NEXRAD Level II data provides critical information for researchers and the broader community to understand, monitor, and predict weather in a timely manner. There are several...
Provided by Purdue University (Krannert)
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White Papers
TraXplorer: Multi-Focus Interaction in Time-Series Data Visualization
August 13, 2009, 12:00am PDT
Information visualization shows tremendous potential for helping both expert and casual users alike make sense of temporal data, but current time series visualization tools provide poor support...
Provided by Purdue University (Krannert)
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White Papers
Supporting Real-World Activities in Database Management Systems
October 21, 2009, 12:00am PDT
The cycle of processing the data in many application domains is complex and may involve real-world activities that are external to the database, e.g., wet-lab experiments, instrument readings, and...
Provided by Purdue University (Krannert)
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White Papers
Analyzing and Comparing the Protection Quality of Security Enhanced Operating Systems
January 5, 2009, 12:00am PST
Host compromise is a serious computer security problem today. To better protect hosts, several Mandatory Access Control systems, such as Security Enhanced Linux (SELinux) and AppArmor, have been...
Provided by Purdue University (Krannert)
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White Papers
Towards Optimizing Hadoop Provisioning in the Cloud
May 30, 2009, 12:00am PDT
Data analytics is becoming increasingly prominent in a variety of application areas ranging from extracting business intelligence to processing data from scientific studies. MapReduce programming...
Provided by Purdue University (Krannert)
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White Papers
Hashing Techniques for Mobile Device Forensics
June 1, 2009, 12:00am PDT
Previous research conducted at the National Institute of Standards and Technology has shown that mobile device internal memory hash values are variable when performing back-to-back acquisitions....
Provided by Purdue University (Krannert)
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White Papers
Analysis of a Denial of Service Attack on TCP
January 1, 2009, 12:00am PST
This paper analyzes a network-based denial of service attack for IP (Internet Protocol) based networks. It is popularly called SYN flooding. It works by an attacker sending many TCP (Transmission...
Provided by Purdue University (Krannert)
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White Papers
High Fidelity Denial of Service (DoS) Experimentation
January 1, 2009, 12:00am PST
Experimentation with security attacks introduces additional requirements compared to traditional networking and distributed system experiments. High capacity attack flows can push systems beyond...
Provided by Purdue University (Krannert)
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White Papers
Composition of Java-Based Router Elements and Its Application to Generalized Video Multicast
January 1, 2008, 12:00am PST
This paper describes a software router capable of flexible service composition through plug and play of specialized Java software modules. These Java modules - previously developed for network...
Provided by Purdue University (Krannert)
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White Papers
A Uniform Transactional Execution Environment for Java
May 1, 2008, 12:00am PDT
Transactional Memory (TM) has recently emerged as an effective tool for extracting fine-grain parallelism from declarative critical sections. In order to make STM systems practical, significant...
Provided by Purdue University (Krannert)
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White Papers
Memory Management for Real-Time Java: State of the Art
February 12, 2008, 12:00am PST
The Real-time Specification for Java extends the Java platform to support real-time processing and introduces a region-based memory model, called scoped memory, which side-steps the Java garbage...
Provided by Purdue University (Krannert)
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White Papers
Java, Peer-to-Peer, and Accountability: Building Blocks for Distributed Cycle Sharing
January 1, 2008, 12:00am PST
The increased popularity of grid systems and cycle sharing across organizations leads to the need for scalable systems that provide facilities to locate resources, to be fair in the use of those...
Provided by Purdue University (Krannert)
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White Papers
E-Notebook Middleware for Accountability and Reputation Based Trust in Distributed Data Sharing Communities
January 1, 2008, 12:00am PST
This paper presents the design of a new middleware which provides support for trust and accountability in distributed data sharing communities. One application is in the context of scientific...
Provided by Purdue University (Krannert)
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