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Arizona State University
(137 results)-
White Papers
A Stochastic Primal-Dual Algorithm for Joint Flow Control and MAC Design in Multi-Hop Wireless Networks
January 1, 2011, 12:00am PST
In this paper the authors study stochastic rate control for joint flow control and MAC design in multi-hop wireless networks with random access. Most existing studies along this avenue are based...
Provided by Arizona State University
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White Papers
Toward Collective Behavior Prediction Via Social Dimension Extraction
March 27, 2010, 12:00am PDT
Collective behavior refers to how individuals behave when they are exposed in a social network environment. In this paper, the authors examine how they can predict online behaviors of users in a...
Provided by Arizona State University
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White Papers
Identifying Evolving Groups in Dynamic Multi-Mode Networks
May 6, 2010, 12:00am PDT
A multi-mode network consists of heterogeneous types of actors with various interactions occurring between them. Identifying communities in a multi-mode network can help understand the structural...
Provided by Arizona State University
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White Papers
Trust Evaluation in Health Information on the World Wide Web
June 28, 2008, 12:00am PDT
The impact of health information on the web is mounting and with the Health 2.0 revolution around the corner, online health promotion and management is becoming a reality. User-generated content...
Provided by Arizona State University
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White Papers
Healthcare Risk Modeling for Medicaid Patients
December 15, 2007, 12:00am PST
Healthcare data from the Arizona Health Care Cost Containment System, Arizona's Medicaid program provides a unique opportunity to exploit state-of-the-art data processing and analysis algorithms...
Provided by Arizona State University
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White Papers
Uncovering Groups Via Heterogeneous Interaction Analysis
September 14, 2009, 12:00am PDT
With the pervasive availability of Web 2.0 and social networking sites, people can interact with each other easily through various social media. For instance, popular sites like Del.icio.us,...
Provided by Arizona State University
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White Papers
Uncovering Cross-Dimension Group Structures in Multi-Dimensional Networks
February 17, 2009, 12:00am PST
With the proliferation of Web 2.0 and social networking sites, people can interact with each other easily through various social media. For instance, popular sites like Del.icio.us, Flickr, and...
Provided by Arizona State University
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White Papers
Quantifying Utility and Trustworthiness for Advice Shared on Online Social Media
July 6, 2009, 12:00am PDT
The growing popularity of social media in recent years has resulted in the creation of an enormous amount of user-developed content. While information is readily available, there is no easy way to...
Provided by Arizona State University
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White Papers
Defining and Mining Functional Dependencies in Probabilistic Databases
December 13, 2010, 12:00am PST
Functional dependencies - traditional, approximate and conditional are of critical importance in relational databases, as they inform them about the relationships between attributes. They are...
Provided by Arizona State University
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White Papers
SMARTINT: A System for Answering Queries Over Web Databases Using Attribute Dependencies
October 19, 2009, 12:00am PDT
Many web databases can be seen as providing partial and overlapping information about entities in the world. To answer queries effectively, the authors need to integrate the information about the...
Provided by Arizona State University
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White Papers
Relevance-Based Retrieval on Hidden-Web Text Databases Without Ranking Support
April 17, 2010, 12:00am PDT
Many online or local data sources provide powerful querying mechanisms but limited ranking capabilities. For instance, PubMed allows users to submit highly expressive Boolean keyword queries, but...
Provided by Arizona State University
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White Papers
Should Benchmark Indices Have Alpha? Revisiting Performance Evaluation
December 31, 2008, 12:00am PST
Standard Fama-French and Car hart models produce economically and statistically significant nonzero alphas even for passive benchmark indices such as the S&P 500 and Russell 2000. The authors find...
Provided by Arizona State University
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White Papers
A Software Solution for Dynamic Stack Management on Scratch Pad Memory
November 17, 2008, 12:00am PST
In an effort to make processors more power efficient Scratch Pad Memory (SPM) have been proposed instead of caches, which can consume majority of processor power. However, application mapping on...
Provided by Arizona State University
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White Papers
Dynamic Code Mapping for Limited Local Memory Systems
May 21, 2010, 12:00am PDT
This paper presents heuristics for dynamic management of application code on limited local memories present in high-performance multi-core processors. Previous techniques formulate the problem...
Provided by Arizona State University
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White Papers
SDRM: Simultaneous Determination of Regions and Function-to-Region Mapping for Scratchpad Memories
September 3, 2008, 12:00am PDT
Many programmable embedded systems feature low power processors coupled with fast compiler controlled on-chip ScratchPad Memories (SPMs) to reduce their energy consumption. SPMs are more efficient...
Provided by Arizona State University
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White Papers
Robust Localization in Wireless Sensor Networks Through the Revocation of Malicious Anchors
January 1, 2011, 12:00am PST
In a Wireless Sensor Network (WSN), the Sensor Nodes (SNs) generally localize themselves with the help of anchors that are pre-deployed in the network. Time of Arrival (ToA) is a commonly used...
Provided by Arizona State University
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White Papers
Compiler Approach for Reducing Soft Errors in Register Files
May 20, 2009, 12:00am PDT
With continuous technology scaling, soft errors are becoming an increasingly important design concern even for earthbound applications. While compiler approaches have the potential to mitigate the...
Provided by Arizona State University
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White Papers
Compiler-Managed Register File Protection for Energy-Efficient Soft Error Reduction
November 17, 2008, 12:00am PST
For embedded systems where neither energy nor reliability can be easily sacrificed, The authors present an energy efficient soft error protection scheme for Register Files (RF). Unlike previous...
Provided by Arizona State University
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White Papers
Data Partitioning Techniques for Partially Protected Caches to Reduce Soft Error Induced Failures
June 28, 2008, 12:00am PDT
Exponentially increasing with technology scaling, soft errors have become a serious design concern in the deep sub-micron embedded systems. Partially Protected Cache (PPC) is a promising...
Provided by Arizona State University
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White Papers
Reasoning About XACML Policy Descriptions in Answer Set Programming
April 6, 2010, 12:00am PDT
The advent of emerging technologies such as Web services, service-oriented architecture, and cloud computing has enabled one to perform business services more efficiently and effectively. However,...
Provided by Arizona State University
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White Papers
Building Dynamic Remote Attestation Framework
October 2, 2009, 12:00am PDT
Remote attestation is an important mechanism to provide the trustworthiness proof of a computing system by verifying its integrity. In this poster, the authors propose a dynamic remote attestation...
Provided by Arizona State University
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White Papers
Integrating Cooling Awareness With Thermal Aware Workload Placement for HPC Data Centers
February 15, 2011, 12:00am PST
High Performance Computing (HPC) data centers are becoming increasingly dense; the associated power-density and energy consumption of their operation is increasing. Up to half of the total energy...
Provided by Arizona State University
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White Papers
Criticality Aware Access Control Model for Pervasive Applications
January 1, 2011, 12:00am PST
Access control policies define the rules for accessing system resources. Traditionally, these are designed to take a reactive view for providing access, based on explicit user request. This...
Provided by Arizona State University
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White Papers
Audio-Based Self-Organizing Authentication for Pervasive Computing: A Cyber-Physical Approach
July 10, 2009, 12:00am PDT
Pervasive computing is fast becoming a reality with rapid advance in computing and networking technologies. It has the characteristics of scalability, invisibility, and the absence of the fixed...
Provided by Arizona State University
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White Papers
Toward Autonomous Vehicle Safety Verification From Mobile Cyber-Physical Systems Perspective
March 9, 2011, 12:00am PST
Safety certification of Autonomous Vehicles (AVs) requires guarantees on AVs' safety at design time. To this effect, this paper proposes modeling abstractions that allow architectural...
Provided by Arizona State University
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White Papers
Green and Sustainable Cyber-Physical Security Solutions for Body Area Networks
June 11, 2009, 12:00am PDT
Wireless sensor-based Body Area Networks (BAN) can play a major role in providing individualized health-care. Given their limited power sources, sensors in BAN have to be energy-efficient to...
Provided by Arizona State University
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White Papers
Exploiting Low-Cost Directional Antennas in 2.4 GHz IEEE 802.15.4 Wireless Sensor Networks
June 15, 2007, 12:00am PDT
Motivated by recent interest in directional antennas for WSNs, the authors propose a Four-Beam Patch Antenna (FBPA) designed to meet the size, cost and complexity constraints of sensor nodes. They...
Provided by Arizona State University
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White Papers
Efficient and Secure Data Storage Operations for Mobile Cloud Computing
November 23, 2010, 12:00am PST
Cloud computing is a promising technology, which is transforming the traditional Internet computing paradigm and IT industry. With the development of wireless access technologies, cloud computing...
Provided by Arizona State University
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White Papers
On Efficient Ciphertext-Policy Attribute Based Encryption and Broadcast Encryption
July 12, 2010, 12:00am PDT
Ciphertext Policy Attribute Based Encryption (CP-ABE) enforces an expressive data access policy, which consists of a number of attributes connected by logical gates. Only those decryptors whose...
Provided by Arizona State University
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White Papers
Contextual Wisdom: Social Relations and Correlations for Multimedia Event Annotation
July 4, 2007, 12:00am PDT
This work deals with the problem of event annotation in social networks. The problem is made difficult due to variability of semantics and due to scarcity of labeled data. Events refer to...
Provided by Arizona State University
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White Papers
Security for Pervasive Health Monitoring Sensor Applications
January 1, 2011, 12:00am PST
Maintaining security of wearable networked health monitoring sensors (Body Sensor Networks (BSN)) is very important for the acceptance and long term viability of the technology. Sensors in BSNs...
Provided by Arizona State University
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White Papers
Constructing Min-Cost Single Failure Immune Recovery Trees: Computational Complexity and Approximation Algorithms
December 8, 2010, 12:00am PST
Since optical networks usually carry very high volumes of data, failures in optical networks may have severe consequences. Therefore, network protection and restoration become critical issues in...
Provided by Arizona State University
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White Papers
A Simple Greedy Algorithm for Link Scheduling With the Physical Interference Model
March 31, 2009, 12:00am PDT
In wireless networks, mutual interference prevents wireless devices from correctly receiving packages from others and becomes one of the challenges in the design of protocols for wireless...
Provided by Arizona State University
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White Papers
Advancing Feature Selection Research
June 28, 2010, 12:00am PDT
The rapid advance of computer based high-throughput technique has provided unparalleled opportunities for humans to expand capabilities in production, services, communications, and research....
Provided by Arizona State University
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White Papers
Community Detection in Multi-Dimensional Networks
June 7, 2010, 12:00am PDT
The pervasiveness of Web 2.0 and social networking sites has enabled people to interact with each other easily through various social media. For instance, popular sites like Del.icio.us, Flickr,...
Provided by Arizona State University
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White Papers
Searching for "Familiar Strangers" on Blogosphere: Problems and Challenges
September 27, 2007, 12:00am PDT
In this paper, the authors examine familiar strangers on Blogosphere and issues of finding them. In daily life, familiar strangers, as coined by Stanley Milgram, do not know each other, but...
Provided by Arizona State University
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White Papers
Robust Integration of Multiple Information Sources by View Completion
May 13, 2008, 12:00am PDT
There are many applications where multiple data sources, each with its own features, are integrated in order to perform an inference task in an optimal way. Researchers have shown that for many...
Provided by Arizona State University
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White Papers
XML Data Integration: Schema Extraction and Mapping
February 16, 2010, 12:00am PST
Many applications require exchange and integration of data from multiple, heterogeneous sources. eXtensible Markup Language (XML) is a standard developed to satisfy the convenient data exchange...
Provided by Arizona State University
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White Papers
XML Data Integration: Merging, Query Processing and Conflict Resolution
February 16, 2010, 12:00am PST
In XML Data Integration, data/metadata merging and query processing are indispensable. Specifically, merging integrates multiple disparate (heterogeneous and autonomous) input data sources...
Provided by Arizona State University
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White Papers
Dynamic Assessment and Customizable E-Learning Content Generator
May 18, 2008, 12:00am PDT
This paper proposes a framework to create customizable on-demand educational contents with automated assessment. This framework can sequence educational contents logically based on content...
Provided by Arizona State University
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White Papers
Collaborative Event-Driven Coverage and Rate Allocation for Event Miss-Ratio Assurances in Wireless Sensor Networks
May 14, 2010, 12:00am PDT
Wireless sensor networks are often required to provide event miss-ratio assurance for a given event type. To meet such assurances along with minimum energy consumption, this paper shows how a...
Provided by Arizona State University
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White Papers
Capacity of MIMO Systems in Shallow Water Acoustic Channels
October 22, 2009, 12:00am PDT
UnderWater Acoustic (UWA) channels are typically characterized by a multipath structure with large delay spread, where only a few propagation paths carry significant energy. Each path exhibits...
Provided by Arizona State University
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White Papers
Behavior Monitoring Framework in Large-Scale Wireless Sensor Networks
October 2, 2010, 12:00am PDT
Wireless Sensor Networks (WSNs) have been increasingly deployed for both civil and military applications under harsh, unpredictable or open environments. Such environments create opportunities for...
Provided by Arizona State University
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White Papers
H.264 Coarse Grain Scalable (CGS) and Medium Grain Scalable (MGS) Encoded Video: A Trace Based Traffic and Quality Evaluation
February 10, 2011, 12:00am PST
The Scalable Video Coding (SVC) extension of the H.264/AVC video coding standard provides two mechanisms, namely Coarse Grain Scalability (CGS) and Medium Grain Scalability (MGS), for quality...
Provided by Arizona State University
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White Papers
Online Strategizing Distributed Renewable Energy Resource Access in Islanded Microgrids
August 15, 2011, 12:00am PDT
The smart grid, perceived as the next generation power grid, uses two-way flow of electricity and information to create a widely distributed automated energy delivery network. By grouping...
Provided by Arizona State University
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White Papers
Truthful Auction for Cooperative Communications
August 10, 2011, 12:00am PDT
On one hand, cooperative communication has been gaining more and more popularity since it has great potential to increase the capacity of wireless networks. On the other hand, the applications of...
Provided by Arizona State University
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White Papers
OPRA: Optimal Relay Assignment for Capacity Maximization in Cooperative Networks
June 10, 2011, 12:00am PDT
As promising as it is, cooperative communication has been proposed to increase the capacity of wireless networks through spatial diversity. Without requiring multiple antennas on the same device,...
Provided by Arizona State University
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White Papers
A Distributed Algorithm for Multi-Constrained Anypath Routing in Wireless Mesh Networks
September 19, 2010, 12:00am PDT
Anypath routing, a new routing paradigm has been proposed to improve the performance of wireless networks by exploiting the spatial diversity and broadcast nature of the wireless medium. In this...
Provided by Arizona State University
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White Papers
Joint Base Station Placement and Fault-Tolerant Routing in Wireless Sensor Networks
April 14, 2009, 12:00am PDT
In this paper, the authors have studied the joint base station placement and fault-tolerant routing problem in wireless sensor networks with the goal of maximizing the network lifetime while...
Provided by Arizona State University
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White Papers
Relay Station Placement for Cooperative Communications in WiMAX Networks
July 31, 2010, 12:00am PDT
The recently emerging WiMAX (IEEE 802.16) is a promising telecommunication technology to provide low-cost, high-speed and long-range wireless communications. To meet the growing demand for...
Provided by Arizona State University
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White Papers
Rate-Achievability Strategies for Two-Hop Interference Flows
October 21, 2008, 12:00am PDT
The authors consider a basic model for two-hop transmissions of two information flows which interfere with each other. In this model, two sources simultaneously transmit to two relays (in the...
Provided by Arizona State University
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White Papers
A Sufficient Condition for Optimality of Digital Versus Analog Relaying in a Sensor Network
February 27, 2009, 12:00am PST
This paper compares the efficiency of digital versus analog relaying in a sensor network when the ultimate goal is detection. A simplified scenario is considered in which a binary decision is to...
Provided by Arizona State University
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White Papers
CSMA-Based Distributed Scheduling in Multi-Hop MIMO Networks Under SINR Model
December 21, 2009, 12:00am PST
The authors study the problem of distributed scheduling in multi-hop MIMO networks. They first develop a "MIMO-pipe" model that provides the upper layers a set of rates and SINR requirements,...
Provided by Arizona State University
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White Papers
Channel Aware Distributed Scheduling for Exploiting Multi-Receiver Diversity and Multiuser Diversity in Ad-Hoc Networks: A Unified PHY/MAC Approach
January 9, 2008, 12:00am PST
The authors study channel aware distributed scheduling in ad hoc networks where many links contend for the common channel using random access, and the focus here is on the model where each...
Provided by Arizona State University
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White Papers
Distributed Opportunistic Scheduling With Two-Level Channel Probing
January 26, 2009, 12:00am PST
Distributed Opportunistic Scheduling (DOS) is studied for wireless ad-hoc networks in which many links contend for the channel using random access before data transmissions. Simply put, DOS...
Provided by Arizona State University
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White Papers
Distributed Opportunistic Scheduling for Ad-Hoc Communications Under Delay Constraints
December 23, 2009, 12:00am PST
With the convergence of multimedia applications and wireless communications, there is an urgent need for developing new scheduling algorithms to support real-time traffic with stringent delay...
Provided by Arizona State University
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White Papers
Solving The Feldstein-Horioka Puzzle With Financial Frictions
May 29, 2009, 12:00am PDT
Unlike the prediction of a frictionless open economy model, long-term average savings and investment rates are highly correlated across countries-a puzzle first identified by Feldstein and Horioka...
Provided by Arizona State University
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White Papers
Secure Data Processing Framework for Mobile Cloud Computing
April 8, 2011, 12:00am PDT
In mobile cloud computing, mobile devices can rely on cloud computing and information storage resource to perform computationally intensive operations such as searching, data mining, and...
Provided by Arizona State University
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White Papers
Content-Aware Resolution Sequence Mining for Ticket Routing
June 11, 2010, 12:00am PDT
Ticket routing is key to the efficiency of IT problem management. Due to the complexity of many reported problems, problem tickets typically need to be routed among various expert groups, to...
Provided by Arizona State University
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White Papers
Assessing Expertise Awareness in Resolution Networks
May 24, 2010, 12:00am PDT
Problem resolution is a key issue in the IT service industry. A large service provider handles, on daily basis, thousands of tickets that report various types of problems from its customers. The...
Provided by Arizona State University
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White Papers
Dynamic Assessment and Customizable E-Learning Content Generator
May 18, 2008, 12:00am PDT
This paper proposes a framework to create customizable on-demand educational contents with automated assessment. This framework can sequence educational contents logically based on content...
Provided by Arizona State University
-
White Papers
XML Data Integration: Merging, Query Processing and Conflict Resolution
February 16, 2010, 12:00am PST
In XML Data Integration, data/metadata merging and query processing are indispensable. Specifically, merging integrates multiple disparate (heterogeneous and autonomous) input data sources...
Provided by Arizona State University
-
White Papers
XML Data Integration: Schema Extraction and Mapping
February 16, 2010, 12:00am PST
Many applications require exchange and integration of data from multiple, heterogeneous sources. eXtensible Markup Language (XML) is a standard developed to satisfy the convenient data exchange...
Provided by Arizona State University
-
White Papers
Robust Integration of Multiple Information Sources by View Completion
May 13, 2008, 12:00am PDT
There are many applications where multiple data sources, each with its own features, are integrated in order to perform an inference task in an optimal way. Researchers have shown that for many...
Provided by Arizona State University
-
White Papers
Searching for "Familiar Strangers" on Blogosphere: Problems and Challenges
September 27, 2007, 12:00am PDT
In this paper, the authors examine familiar strangers on Blogosphere and issues of finding them. In daily life, familiar strangers, as coined by Stanley Milgram, do not know each other, but...
Provided by Arizona State University
-
White Papers
Community Detection in Multi-Dimensional Networks
June 7, 2010, 12:00am PDT
The pervasiveness of Web 2.0 and social networking sites has enabled people to interact with each other easily through various social media. For instance, popular sites like Del.icio.us, Flickr,...
Provided by Arizona State University
-
White Papers
Advancing Feature Selection Research
June 28, 2010, 12:00am PDT
The rapid advance of computer based high-throughput technique has provided unparalleled opportunities for humans to expand capabilities in production, services, communications, and research....
Provided by Arizona State University
-
White Papers
A Simple Greedy Algorithm for Link Scheduling With the Physical Interference Model
March 31, 2009, 12:00am PDT
In wireless networks, mutual interference prevents wireless devices from correctly receiving packages from others and becomes one of the challenges in the design of protocols for wireless...
Provided by Arizona State University
-
White Papers
Constructing Min-Cost Single Failure Immune Recovery Trees: Computational Complexity and Approximation Algorithms
December 8, 2010, 12:00am PST
Since optical networks usually carry very high volumes of data, failures in optical networks may have severe consequences. Therefore, network protection and restoration become critical issues in...
Provided by Arizona State University
-
White Papers
Security for Pervasive Health Monitoring Sensor Applications
January 1, 2011, 12:00am PST
Maintaining security of wearable networked health monitoring sensors (Body Sensor Networks (BSN)) is very important for the acceptance and long term viability of the technology. Sensors in BSNs...
Provided by Arizona State University
-
White Papers
Contextual Wisdom: Social Relations and Correlations for Multimedia Event Annotation
July 4, 2007, 12:00am PDT
This work deals with the problem of event annotation in social networks. The problem is made difficult due to variability of semantics and due to scarcity of labeled data. Events refer to...
Provided by Arizona State University
-
White Papers
On Efficient Ciphertext-Policy Attribute Based Encryption and Broadcast Encryption
July 12, 2010, 12:00am PDT
Ciphertext Policy Attribute Based Encryption (CP-ABE) enforces an expressive data access policy, which consists of a number of attributes connected by logical gates. Only those decryptors whose...
Provided by Arizona State University
-
White Papers
Efficient and Secure Data Storage Operations for Mobile Cloud Computing
November 23, 2010, 12:00am PST
Cloud computing is a promising technology, which is transforming the traditional Internet computing paradigm and IT industry. With the development of wireless access technologies, cloud computing...
Provided by Arizona State University
-
White Papers
Exploiting Low-Cost Directional Antennas in 2.4 GHz IEEE 802.15.4 Wireless Sensor Networks
June 15, 2007, 12:00am PDT
Motivated by recent interest in directional antennas for WSNs, the authors propose a Four-Beam Patch Antenna (FBPA) designed to meet the size, cost and complexity constraints of sensor nodes. They...
Provided by Arizona State University
-
White Papers
Green and Sustainable Cyber-Physical Security Solutions for Body Area Networks
June 11, 2009, 12:00am PDT
Wireless sensor-based Body Area Networks (BAN) can play a major role in providing individualized health-care. Given their limited power sources, sensors in BAN have to be energy-efficient to...
Provided by Arizona State University
-
White Papers
Toward Autonomous Vehicle Safety Verification From Mobile Cyber-Physical Systems Perspective
March 9, 2011, 12:00am PST
Safety certification of Autonomous Vehicles (AVs) requires guarantees on AVs' safety at design time. To this effect, this paper proposes modeling abstractions that allow architectural...
Provided by Arizona State University
-
White Papers
Audio-Based Self-Organizing Authentication for Pervasive Computing: A Cyber-Physical Approach
July 10, 2009, 12:00am PDT
Pervasive computing is fast becoming a reality with rapid advance in computing and networking technologies. It has the characteristics of scalability, invisibility, and the absence of the fixed...
Provided by Arizona State University
-
White Papers
Criticality Aware Access Control Model for Pervasive Applications
January 1, 2011, 12:00am PST
Access control policies define the rules for accessing system resources. Traditionally, these are designed to take a reactive view for providing access, based on explicit user request. This...
Provided by Arizona State University
-
White Papers
Integrating Cooling Awareness With Thermal Aware Workload Placement for HPC Data Centers
February 15, 2011, 12:00am PST
High Performance Computing (HPC) data centers are becoming increasingly dense; the associated power-density and energy consumption of their operation is increasing. Up to half of the total energy...
Provided by Arizona State University
-
White Papers
Building Dynamic Remote Attestation Framework
October 2, 2009, 12:00am PDT
Remote attestation is an important mechanism to provide the trustworthiness proof of a computing system by verifying its integrity. In this poster, the authors propose a dynamic remote attestation...
Provided by Arizona State University
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