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Association for Computing Machinery
(6222 results)-
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The Power of Procrastination: Detection and Mitigation of Execution-Stalling Malicious Code
August 11, 2011, 12:00am PDT
Malware continues to remain one of the most important security problems on the Internet today. Whenever an anti-malware solution becomes popular, malware authors typically react promptly and...
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Big Data and Cloud Computing: Current State and Future Opportunities
March 24, 2011, 12:00am PDT
Scalable DataBase Management Systems (DBMS) - both for update intensive application workloads as well as decision support systems for descriptive and deep analytics - are a critical part of the...
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To Boldly Go Where Invention Isn't Secure: Applying Security Entrepreneurship to Secure Systems Design
September 23, 2010, 12:00am PDT
When designing secure systems, the authors are inundated with an eclectic mix of security and non-security requirements; this makes predicting a successful outcome from the universe of possible...
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Secure and Efficient Protocol for Mobile Payments
September 4, 2008, 12:00am PDT
Electronic Payments have gained tremendous popularity in the modern world. Credit/debit cards and online payments are in widespread use. Bringing electronic payments to the mobile world offers...
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Game Theory for Cyber Security
April 23, 2010, 12:00am PDT
While there are significant advances in information technology and infrastructure which offer new opportunities, cyberspace is still far from completely secured. In many cases, the employed...
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A Search Engine for Finding Highly Relevant Applications
May 8, 2010, 12:00am PDT
A fundamental problem of finding applications that are highly relevant to development tasks is the mismatch between the high-level intent reflected in the descriptions of these tasks and low-level...
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Learning to Detect Malicious URLs
April 1, 2011, 12:00am PDT
Malicious web sites are a cornerstone of Internet criminal activities. The dangers of these sites have created a demand for safeguards that protect end-users from visiting them. This paper...
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Optimizing a Virtualized Data Center
August 15, 2011, 12:00am PDT
Many data centers extensively use Virtual Machines (VMs), which provide the flexibility to move workload among physical servers. VMs can be placed to maximize application performance, power...
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Modeling the HTML DOM and Browser API in Static Analysis of JavaScript Web Applications
June 28, 2011, 12:00am PDT
Developers of JavaScript web applications have little tool support for catching errors early in development. In comparison, an abundance of tools exist for statically typed languages, including...
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A Compiler and Run-time System for Network Programming Languages
January 27, 2012, 12:00am PST
Software-Defined Networks (SDNs) are a new kind of network architecture in which a controller machine manages a distributed collection of switches by instructing them to install or uninstall...
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Enhanced Intrusion Detection Systems in Ad Hoc Networks Using a Grid Based Agnostic Middleware
July 6, 2008, 12:00am PDT
With the increasing popularity of the wireless Ad Hoc networks, the security issue for mobile hosts could be even more serious than one expects. The intrinsic vulnerable characteristics of mobile...
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Principled Reasoning and Practical Applications of Alert Fusion in Intrusion Detection Systems
March 20, 2008, 12:00am PDT
It is generally believed that by combining several diverse intrusion detectors (i.e., forming an IDS ensemble), one may achieve better performance. However, there has been very little work on...
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Enhancing Interoperability and Stateful Analysis of Cooperative Network Intrusion Detection Systems
December 4, 2007, 12:00am PST
A traditional Network Intrusion Detection System (NIDS) is based on a centralized architecture that does not satisfy the needs of most modern network infrastructures characterized by high traffic...
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File-System Intrusion Detection by Preserving MAC DTS: A Loadable Kernel Module Based Approach for LINUX Kernel 2.6.x
April 15, 2009, 12:00am PDT
Every operating system has its own set of critical files, whose access is generally protected by access control mechanisms, native to the operating system. The importance of such files also...
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LIDeA: A Distributed Lightweight Intrusion Detection Architecture for Sensor Networks
September 25, 2008, 12:00am PDT
Wireless sensor networks are vulnerable to adversaries as they are frequently deployed in open and unattended environments. Preventive mechanisms can be applied to protect them from an assortment...
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Correlation-Based Load Balancing for Network Intrusion Detection and Prevention Systems
September 25, 2008, 12:00am PDT
In large-scale enterprise networks, multiple network intrusion detection and prevention systems are used to provide high quality protections. In this context, keeping load evenly distributed among...
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Log-Based Distributed Intrusion Detection for Hybrid Networks
May 14, 2008, 12:00am PDT
This paper proposes a novel hybrid distributed security operation center which collects logs that are generated by any application, service, and protocol regardless of the layer of the protocol...
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Using Static Analysis for Ajax Intrusion Detection
April 24, 2009, 12:00am PDT
This paper presents a static control-flow analysis for JavaScript programs running in a web browser. The analysis tackles numerous challenges posed by modern web applications including...
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Evaluating the Utility of Anonymized Network Traces for Intrusion Detection
September 25, 2008, 12:00am PDT
To intelligently create policies governing the anonymization of network logs, one must analyze the effects of anonymization on both the security and utility of sanitized data. This paper focuses...
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SMM Rootkits: A New Breed of OS Independent Malware
September 25, 2008, 12:00am PDT
The emergence of hardware virtualization technology has led to the development of OS independent malware such as the Virtual Machine Based Rootkits (VMBRs). This paper draws attention to a...
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Semi-Supervised Co-Training and Active Learning Based Approach for Multi-View Intrusion Detection
March 12, 2009, 12:00am PDT
Although there is immense data available from networks and hosts, a very small proportion of this data is labeled due to the cost of obtaining expert labels. This proves to be a significant...
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SpySaver: Using Incentives to Address Spyware
August 22, 2008, 12:00am PDT
This paper presents SpySaver - a novel anti-spyware approach that reduces the incentive to deploy spyware. The approach does not prevent spyware installations, nor does it recover from them....
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Protecting the Web: Phishing, Malware, and Other Security Threats
April 25, 2008, 12:00am PDT
Web site operators, Internet users, and online service providers are besieged by a growing array of abuses and threats. Spam leads users to online scams and phishing Web pages, which...
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Anti-Phishing Based on Automated Individual White-List
October 31, 2008, 12:00am PDT
In phishing and pharming, users could be easily tricked into submitting their username/passwords into fraudulent web sites whose appearances look similar as the genuine ones. The traditional...
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A Framework for Detection and Measurement of Phishing Attacks
November 2, 2007, 12:00am PDT
Phishing is form of identity theft that combines social engineering techniques and sophisticated attack vectors to harvest financial information from unsuspecting consumers. Often a phisher tries...
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Spamalytics: An Empirical Analysis of Spam Marketing Conversion
October 31, 2008, 12:00am PDT
Spam-based marketing is a curious beast. All receives the advertisements - " Excellent Hardness is Easy!" - but few of them have encountered a person who admits to following through on this offer...
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Measuring Network Security Using Dynamic Bayesian Network
October 27, 2008, 12:00am PDT
Given the increasing dependence of societies on networked information systems, the overall security of these systems should be measured and improved. Existing security metrics have generally...
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The Ecology of Malware
September 25, 2008, 12:00am PDT
The fight against malicious software (or malware, which includes everything from worms to viruses to botnets) is often viewed as an "Arms Race." Conventional wisdom is that one must continually...
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Visual-Similarity-Based Phishing Detection
September 25, 2008, 12:00am PDT
Phishing is a form of online fraud that aims to steal a user's sensitive information, such as online banking passwords or credit card numbers. The victim is tricked into entering such information...
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Thwarting E-mail Spam Laundering
December 1, 2008, 12:00am PST
Laundering e-mail spam through open-proxies or compromised PCs is a widely-used trick to conceal real spam sources and reduce spamming cost in the underground e-mail spam industry. Spammers have...
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Increased DNS Forgery Resistance Through 0x20-Bit Encoding
October 31, 2008, 12:00am PDT
It describe a novel, practical and simple technique to make DNS queries more resistant to poisoning attacks: mix the upper and lower case spelling of the domain name in the query. Fortuitously,...
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Robust Defenses for Cross-Site Request Forgery
October 31, 2008, 12:00am PDT
Cross-Site Request Forgery (CSRF) is a widely exploited web site vulnerability. This paper presents a new variation on CSRF attacks, login CSRF, in which the attacker forges a cross-site request...
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Extracting Spam Blogs With Co-Citation Clusters
April 25, 2008, 12:00am PDT
This paper reports the estimated number of spam blogs in order to assess their current state in the blogosphere. To extract spam blogs, they developed a traversal method among co-citation clusters...
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Spam Decisions on Gray e-Mail Using Personalized Ontologies
March 12, 2009, 12:00am PDT
E-mail is one of the most common communication methods among people on the Internet. However, the increase of e-mail misuse/abuse has resulted in an increasing volume of spam e-mail over recent...
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Detecting Image Spam Using Local Invariant Features and Pyramid Match Kernel
April 24, 2009, 12:00am PDT
Image spam is a new obfuscating method which spammers invented to more effectively bypass conventional text based spam filters. This paper extracts local invariant features of images and runs a...
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Exploring Linguistic Features for Web Spam Detection: A Preliminary Study
April 22, 2008, 12:00am PDT
This paper studies the usability of linguistic features in the Web spam classification task. The features were computed on two Web spam corpora: Webspam-Uk2006 and Webspam-Uk2007, they make them...
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Linked Latent Dirichlet Allocation in Web Spam Filtering
April 21, 2009, 12:00am PDT
Latent Dirichlet Allocation (LDA) is a fully generative statistical language model on the content and topics of a corpus of documents. This paper applies an extension of LDA for web spam...
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OSD: An Online Web Spam Detection System
May 16, 2009, 12:00am PDT
Web spam which refers to any deliberate actions bringing to selected web pages an unjustifiable favorable relevance or importance is one of the major obstacles for high quality information...
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A Profitless Endeavor: Phishing as Tragedy of the Commons
September 25, 2008, 12:00am PDT
Conventional wisdom is that phishing represents easy money. This paper examines the economics that underly the phenomenon, and very different picture. Phishing is a classic example of tragedy of...
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iTrustPage: A User-Assisted Anti-Phishing Tool
April 1, 2008, 12:00am PDT
Despite the many solutions proposed by industry and the research community to address phishing attacks, this problem continues to cause enormous damage. Because of its inability to deter phishing...
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COSBench: Cloud Object Storage Benchmark
April 24, 2013, 12:00am PDT
With object storage systems being increasingly recognized as a preferred way to expose one's storage infrastructure to the web, the past few years have witnessed an explosion in the acceptance of...
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VPerfGuard: An Automated Model-Driven Framework for Application Performance Diagnosis in Consolidated Cloud Environments
March 24, 2013, 12:00am PDT
The authors have implemented vPerfGuard as a combination of three modules: a sensor module, a model building module, and a model updating module. They evaluate its effectiveness using different...
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In Search of the Elusive Ground Truth: The Internet's AS-Level Connectivity Structure
June 6, 2008, 12:00am PDT
Despite significant efforts to obtain an accurate picture of the Internet's actual connectivity structure at the level of individual autonomous systems (ASes), much has remained unknown in terms...
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Quantifying the Operational Status of the DNSSEC Deployment
October 22, 2008, 12:00am PDT
This paper examines the deployment of the DNS SECurity Extensions (DNSSEC), which adds cryptographic protection to DNS, one of the core components in the Internet infrastructure. The authors...
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Home as You Go: An Engineering Approach to Mobility-Capable Extended Home Networking
November 11, 2011, 12:00am PST
Thanks to rapid technology advances, the Internet is penetrating into more homes as well as becoming increasingly mobile. In this paper, the authors describe and discuss the design choices of...
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Software Transactional Networking: Concurrent and Consistent Policy Composition
June 6, 2013, 12:00am PDT
It seems natural to imagine that SDN policy specification and control is distributed, and this paper focuses on the resulting concurrency issues. Indeed, conflicts among concurrent policy updates...
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Temperature Aware Workload Management in Geo-Distributed Datacenters
April 4, 2013, 12:00am PDT
Datacenters consume an enormous amount of energy with significant financial and environmental costs. For geo-distributed datacenters, a workload management approach that routes user requests to...
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Destination-Based Adaptive Routing on 2D Mesh Networks
September 28, 2010, 12:00am PDT
The choice of routing algorithm plays a vital role in the performance of on-chip interconnection networks. Adaptive routing is appealing because it offers better latency and throughput than...
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Explicit Modeling of Control and Data for Improved NoC Router Estimation
June 7, 2012, 12:00am PDT
Networks-on-Chip (NoCs) are scalable fabrics for interconnection networks used in many-core architectures. ORION2.0 is a widely adopted NoC power and area estimation tool; however, its models for...
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Design and Evaluation of a Wireless Magnetic-Based Proximity Detection Platform for Indoor Applications
April 20, 2012, 12:00am PDT
Many indoor sensing applications leverage knowledge of relative proximity among physical objects and humans, such as the notion of "Within arm's reach". In this paper, the authors quantify this...
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Enabling Green Building Applications
June 29, 2010, 12:00am PDT
Office buildings contain large sensor network deployments to monitor and maintain their internal environment. They also consume a significant amount of energy. This paper proposes the use of the...
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Non-Monetary Fair Scheduling - A Cooperative Game Theory Approach
May 7, 2013, 12:00am PDT
The authors consider a multi-organizational system in which each organization contributes processors to the global pool but also jobs to be processed on the common resources. The fairness of the...
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Optimizing Latency and Throughput for Spawning Processes on Massively Multi-Core Processors
June 29, 2012, 12:00am PDT
The execution of a SPMD application involves running multiple instances of a process with possibly varying arguments. With the widespread adoption of massively multi-core processors, there has...
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Workload Decomposition for QoS in Hosted Storage Services
December 1, 2008, 12:00am PST
The growing popularity of hosted storage services and shared storage infrastructure in data centers is driving the recent interest in performance isolation and QoS in storage systems. Due to the...
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Brief Announcement: Application-Sensitive QoS Scheduling in Storage Servers
June 27, 2012, 12:00am PDT
The growing popularity of multi-tenant, cloud-based computing platforms is driving research into new QoS models that permit flexible sharing of the underlying infrastructure. In this paper, the...
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An Evolutionary Algorithm to Optimize Log/Restore Operations within Optimistic Simulation Platforms
November 14, 2010, 12:00am PST
In this paper, the authors address state recoverability in advanced optimistic simulation systems by proposing an Evolutionary Algorithm to optimize at run-time the parameters associated with...
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A Framework for High Performance Simulation of Transactional Data Grid Platforms
March 8, 2013, 12:00am PST
One reason for the success of in-memory (transactional) data grids lies on their ability to t elasticity requirements imposed by the cloud oriented pay-as-you-go cost model. In fact, by relying on...
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On Active Learning in Hierarchical Classification
November 2, 2012, 12:00am PDT
Most of the existing active learning algorithms assume all the category labels as independent or consider them in a "Flat" structure. However, in reality, there are many applications in which the...
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A Performance Comparison of Parallel DBMSs and MapReduce on Large-Scale Text Analytics
March 22, 2013, 12:00am PDT
Text analytics has become increasingly important with the rapid growth of text data. Particularly, Information Extraction (IE), which extracts structured data from text, has received significant...
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Efficient Type-Ahead Search on Relational Data: A TASTIER Approach
July 2, 2009, 12:00am PDT
Existing keyword-search systems in relational databases require users to submit a complete query to compute answers. Often users feel "Left in the dark" when they have limited knowledge about the...
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Can We Beat the Prefix Filtering? An Adaptive Framework for Similarity Join and Search
May 10, 2012, 12:00am PDT
As two important operations in data cleaning, similarity join and similarity search have attracted much attention recently. Existing methods to support similarity join usually adopt a...
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Efficient Parallel kNN Joins for Large Data in MapReduce
March 30, 2012, 12:00am PDT
In data mining applications and spatial and multimedia databases, a useful tool is the kNN join, which is to produce the k Nearest Neighbors (NN), from a dataset S, of every point in a dataset R....
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Exploiting MapReduce-based Similarity Joins
May 24, 2012, 12:00am PDT
Cloud enabled systems have become a crucial component to efficiently process and analyze massive amounts of data. One of the key data processing and analysis operations is the Similarity Join,...
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Efficient Parallel Partition-based Algorithms for Similarity Search and Join with Edit Distance Constraints
March 22, 2013, 12:00am PDT
The quantity of data in real-world applications is growing significantly while the data quality is still a big problem. Similarity search and similarity join are two important operations to...
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Enabling Operator Reordering in Data Flow Programs Through Static Code Analysis
September 9, 2012, 12:00am PDT
In many massively parallel data management platforms, programs are represented as small imperative pieces of code connected in a data flow. This popular abstraction makes it hard to apply...
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Durable Top-k Search in Document Archives
June 11, 2010, 12:00am PDT
The authors propose and study a new ranking problem in versioned databases. Consider a database of versioned objects which have different valid instances along a history (e.g., documents in a web...
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Sampling Dirty Data for Matching Attributes
June 11, 2010, 12:00am PDT
The authors investigate the problem of creating and analyzing samples of relational databases to find relationships between string-valued attributes. Their focus is on identifying at-tribute pairs...
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ParaTimer: A Progress Indicator for MapReduce DAGs
June 11, 2010, 12:00am PDT
Time-oriented progress estimation for parallel queries is a challenging problem that has received only limited attention. In this paper, the authors present ParaTimer, a new type of time-remaining...
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Positional Update Handling in Column Stores
June 11, 2010, 12:00am PDT
In this paper, the authors investigate techniques that allow for on-line updates to columnar databases, leaving intact their high read-only performance. Rather than keeping differential structures...
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Hierarchically Organized Skew-Tolerant Histograms for Geographic Data Objects
June 11, 2010, 12:00am PDT
Histograms have been widely used for fast estimation of query result sizes in query optimization. In this paper, the authors propose a new histogram method, called the Skew-Tolerant Histogram...
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Load-Balanced Query Dissemination in Privacy-Aware Online Communities
June 11, 2010, 12:00am PDT
The authors propose a novel privacy-preserving distributed infrastructure in which data resides only with the publishers owning it. The infrastructure disseminates user queries to publishers, who...
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Automatic Contention Detection and Amelioration for Data-Intensive Operations
June 11, 2010, 12:00am PDT
To take full advantage of the parallelism offered by a multi-core machine, one must write parallel code. Writing parallel code is difficult. Even when one writes correct code, there are numerous...
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Data Conflict Resolution Using Trust Mappings
June 11, 2010, 12:00am PDT
In massively collaborative projects such as scientific or community databases, users often need to agree or disagree on the content of individual data items. On the other hand, trust relationships...
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Non-homogeneous Generalization in Privacy Preserving Data Publishing
June 11, 2010, 12:00am PDT
Most previous research on privacy-preserving data publishing, based on the k-anonymity model, has followed the simplistic approach of homogeneously giving the same generalized value in all...
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Supporting Location-Based Approximate-Keyword Queries
November 5, 2010, 12:00am PDT
Many Web sites support keyword search on their spatial data, such as business listings and photos. In these systems, inconsistencies and errors can exist in both queries and the data. To bridge...
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Efficient Parallel Set-Similarity Joins Using MapReduce
June 11, 2010, 12:00am PDT
In this paper, the authors study how to efficiently perform set-similarity joins in parallel using the popular MapReduce framework. They propose a 3-stage approach for end-to-end setsimilarity...
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Differentially Private Sequential Data Publication via Variable-Length N-Grams
October 18, 2012, 12:00am PDT
Sequential data is being increasingly used in a variety of applications. Publishing sequential data is of vital importance to the advancement of these applications. However, as shown by the...
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A Trust Management Framework for Service-Oriented Environments
April 24, 2009, 12:00am PDT
Many reputation management systems have been developed under the assumption that each entity in the system will use a variant of the same scoring function. Much of the previous work in reputation...
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Wrangler: Virtual Cluster Provisioning for the Cloud
June 11, 2011, 12:00am PDT
Cloud computing systems are becoming an important platform for science applications. Infrastructure as a Service (IaaS) clouds provide the capability to provision Virtual Machines (VMs) on demand...
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Metrics and Techniques for Quantifying Performance Isolation in Cloud Environments
June 28, 2012, 12:00am PDT
The cloud computing paradigm enables the provision of cost-efficient IT-services by leveraging economies of scale and sharing data center resources efficiently among multiple independent...
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