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A Process- and Policy-aware Cross Enterprise Collaboration Framework for Multisourced Services
HPL-2012-99 A Process- and Policy-aware Cross Enterprise Collaboration Framework for Multisourced Services - Motahari Nezhad, Hamid Reza; Bartolini, Claudio; Erbes, Jamie; Graupner, Sven
Keyword(s): Cross Enterprise Collaboration; IT Outsourcing; Multisourcing
Abstract: The increasing demand for business agility mandates enterprises to collaborate on many frontlines to stay competitive and achieve high business performance. This has given rise to the issue of Cross Enterprise Collaboration (CEC), which refers to the collaboration of two or more enterprises in achie ...
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Deconstructing Queue-Based Mutual Exclusion
HPL-2012-100 Deconstructing Queue-Based Mutual Exclusion - Golab, Wojciech
Keyword(s): mutual exclusion; shared memory; theory
Abstract: We formulate a modular approach to the design and analysis of a particular class of mutual exclusion algorithms for shared memory multiprocessor systems. Specifically, we consider algorithms that organize waiting processes into a queue. Such algorithms can achieve O(1) remote memory reference (RMR) ...
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Overcoming Web Server Benchmarking Challenges in the Multi-Core Era
HPL-2012-92 Overcoming Web Server Benchmarking Challenges in the Multi-Core Era - Hashemian, Raoufehsadat; Krishnamurthy, Diwakar; Arlitt, Martin
Keyword(s): Software Performance; Performance Testing; Multi-Core Servers
Abstract: Web-based services are used by many organizations to support their customers and employees. An important consideration in developing such services is ensuring the Quality of Service (QoS) that users experience is acceptable. Recent years have seen a shift toward deploying Web services on multi-core ...
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Minimax Pointwise Redundancy for Memoryless Models over Large Alphabets
HPL-2012-87 Minimax Pointwise Redundancy for Memoryless Models over Large Alphabets - Szpankowski, Wojciech; Weinberger, Marcelo J.
Keyword(s): data compression; redundancy; large alphabets; generating functions; saddle point method.
Abstract: We study the minimax pointwise redundancy of universal coding for memoryless models over large alphabets and present two main results: We first complete studies initiated in Orlitsky and Santhanam deriving precise asymptotics of the minimax pointwise redundancy for all ranges of the alphabet size re ...
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A Comparison of Processes and Challenges Between Organic, a-Si:H, and Oxide TFTs for Active Matrix Backplanes on Plastic
HPL-2012-66 A Comparison of Processes and Challenges Between Organic, a-Si:H, and Oxide TFTs for Active Matrix Backplanes on Plastic - de la Fuente Vornbrock, Alejandro; Almanza-Workman, Marcia; Dickin, Fraser; Elder, Richard E.; Garcia, Robert A.; Holland, Edward; Jackson, Warren; Jam, Mehrban; Jeans, Albert; Kim, Han-Jun; Kwon, Ohseung; Luo, Hao; Maltabes, John; Mei, Ping; Perlov, Craig; Rudin, John C.; Smith, Mark; Trovinger, Steven; Zhao, Lihua; Taussig, Carl P.
Keyword(s): flexible electronics; thin film transistors; flexible displays; organic semiconductors; amorphous silicon; zinc oxide
Abstract: Processes to produce active-matrix backplanes on plastic substrates have been developed utilizing a-Si:H, multi-component oxide, and organic semiconductor technologies. The suitability of these technologies for future flat panel display applications is discussed. Of these material systems multi-comp ...
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Traceback Attacks in Cloud-Pebbletrace Botnet
HPL-2012-78 Traceback Attacks in Cloud-Pebbletrace Botnet - Lin, Wenjie; Lee, David
Keyword(s):
Abstract: Botmaster sets up Command and Control (C&C) server and stepping-stones in the Internet for stealing sensitive information from victim's machine. Clouds provide botmaster with an ideal environment of rich computing resources where he can easily deploy/remove C&C server and establish/teardown stepping ...
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Action Bubble Metaphor for Gestural Interaction using Depth Camera in a Multi-user Scenario
HPL-2010-128R1 Action Bubble Metaphor for Gestural Interaction using Depth Camera in a Multi-user Scenario - Hegde, Guruprasad M; Subramanian, Anbumani
Keyword(s): Gestural interaction; human computer interaction depth sensors
Abstract: In this report we propose a novel concept to enable efficient multi-user computer interaction. To demonstrate the concept we make use of a depth-sensor based computer system. The proposed concept is aimed at developing a quantitative measure to inform the computer when and with whom to interact. It ...
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Optimization and Control of Cooling Microgrids for Data Centers
HPL-2012-54 Optimization and Control of Cooling Microgrids for Data Centers - Zhou, Rongliang; Wang, Zhikui; McReynolds, Alan; Bash, Cullen; Christian, Thomas; Shih, Rocky
Keyword(s):
Abstract: Reliable operation of today's data centers requires a tremendous amount of electricity to power both the IT equipment and the supporting cooling facilities. Among the total data center electricity consumption, up to half or more could be used by the cooling system to maintain the thermal status of I ...
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High-recall extraction of acronym-definition pairs with relevance feedback
HPL-2012-46 High-recall extraction of acronym-definition pairs with relevance feedback - Yarygina, Anna; Vassilieva, Natalia
Keyword(s): Text processing; acronym-definition extraction; relevance feedback; supervised learning
Abstract: This paper addresses the problem of extracting acronyms and their definitions from large documents in a setting, when high recall is required and user feedback is available. We propose a three step approach to deal with the problem. First, acronym candidates are extracted using a weak regular expres ...
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Passive Crowd-based Monitoring of World Wide Web Infrastructure and its Performance
HPL-2012-47 Passive Crowd-based Monitoring of World Wide Web Infrastructure and its Performance - Arlitt, Martin; Carlsson, Niklas; Williamson, Carey; Rolia, Jerry
Keyword(s): World Wide Web; passive monitoring; crowd-based monitoring
Abstract: The World Wide Web and the services it provides are continually evolving. Even for a single time instant, it is a complex task to methodologically determine the infrastructure over which these services are provided and the corresponding effect on user perceived performance. For such tasks, researche ...
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Failure Resistant Data Center Cooling Control Through Model-Based Thermal Zone Mapping
HPL-2012-69 Failure Resistant Data Center Cooling Control Through Model-Based Thermal Zone Mapping - Zhou, Rongliang; Wang, Zhikui; Bash, Cullen; Cader, Tahir; McReynolds, Alan
Keyword(s):
Abstract: Due to the tremendous cooling costs, data center cooling efficiency improvement has been actively pursued for years. In addition to cooling efficiency, the reliability of the cooling system is also essential for guaranteed uptime. In traditional data center cooling system design with N+1 or higher r ...
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Selling T-shirts and Time Shares in the Cloud
HPL-2012-51 Selling T-shirts and Time Shares in the Cloud - Gmach, Daniel; Rolia, Jerry; Cherkasova, Ludmila
Keyword(s): resource sharing; virtualization; virtual machine sizing; cloud service models; data center efficiency
Abstract: Cloud computing has emerged as a new and alternative approach for providing computing services. Customers acquire and release resources by requesting and returning virtual machines to the cloud. Different service models and pricing schemes are offered by cloud service providers. This can make it dif ...
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Deadline-based Workload Management for MapReduce Environments: Pieces of the Perfromance Puzzle.
HPL-2012-82 Deadline-based Workload Management for MapReduce Environments: Pieces of the Perfromance Puzzle. - Verma, Abhishek; Cherkasova, Ludmila; Kumar, Vijay S.; Campbell, Roy H.
Keyword(s): MapReduce; Hadoop; performance; resource allocation; job scheduling;
Abstract: Hadoop and the associated MapReduce paradigm have become the de facto platform for cost-effective analytics over "Big Data". There is an increasing number of MapReduce applications associated with live business intelligence that require completion time guarantees. In this work, we introduce and anal ...
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Adaptive Employee Profile Classification for Resource Planning Tool
HPL-2012-61 Adaptive Employee Profile Classification for Resource Planning Tool - Gonzalez, Tere; Santos, Pano; Orozco, Fenando; Alcaraz, Mildreth;De Obeso Alberto,Garcia Alan
Keyword(s): Resource planning; text mining; information extraction; ontologies; relation discovery; classification; bag of words; na*ve bayes classifier; optimization.
Abstract: Matching the right people to the right job considering constraints such as qualifications, availability and cost is the cornerstone of IT projects delivery services. We present a study to improve data accuracy and completeness for resource matching by integrating unstructured data sources and introd ...
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Nanosphere lithography based technique for fabrication of large area, well ordered metal particle arrays
HPL-2012-25 Nanosphere lithography based technique for fabrication of large area, well ordered metal particle arrays - Barcelo, Steven J.; Lam, Si-Ty; Gibson, Gary A.; Sheng, Xia; Henze, Dick
Keyword(s): nanosphere lithography; plasmonics; nanoparticle; nanofabrication
Abstract: Nanosphere lithography is an effective technique for high throughput fabrication of well-ordered patterns, but expanding the method to large area coverage of nanoparticles less than 300 nm in diameter while maintaining good order has proven challenging. Here we demonstrate a nanosphere lithography b ...
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Selective transfer of nanostructured assemblies onto an arbitrary substrate by nanoimprinting
HPL-2012-28 Selective transfer of nanostructured assemblies onto an arbitrary substrate by nanoimprinting - Barcelo, Steven J.; Hu, Min; Kim, Ansoon; Wu, Wei; Li, Zhiyong
Keyword(s): Nanoimprint Lithography; nanofabrication; plasmonics; sensing; SERS
Abstract: Nanoimprint lithography is conventionally used to transfer a pattern from a mold to a deformable and curable resist layer. Here we report a nanoimprinting technique to selectively transfer components of a pre-assembled nanostructure to a new substrate, while retaining the advantages of nanoimprint l ...
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Software Versioning in the Cloud - Towards Source Code Management
HPL-2012-43 Software Versioning in the Cloud - Towards Source Code Management - Gioachin, Filippo; Liang, Qianhui; Yao, Yuxia; Lee, Bu Sung
Keyword(s): Software Development; Cloud Computing; Version Control Systeml; Revisions; Collaborations
Abstract: With the introduction of cloud computing and Web 2.0, many applications are moving to the cloud environment. Version control systems have also taken a first step towards this direction. Nevertheless, existing systems are either client-server oriented or completely distributed, and they don't match e ...
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T@gz : Intuitive and Effortless Categorization and Sharing of Email Conversations
HPL-2012-44 T@gz : Intuitive and Effortless Categorization and Sharing of Email Conversations - Joshi, Parag; Bartolini, Claudio; Graupner, Sven
Keyword(s): Design, Experimentation, Human Factors
Abstract: In this paper, we describe T@g, a system designed for effortless and instantaneous sharing of enterprise knowledge through routine email communications and powerful harvesting of such enterprise information using text analytics techniques. T@gz is a system that enables dynamic, non-intrusive and eff ...
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Materials Compatibility Assessment via Temperature Controlled Contact Angle Measurements
HPL-2012-29 Materials Compatibility Assessment via Temperature Controlled Contact Angle Measurements - Chun, Doris; Teishev, Albert; Ng, Hou T.; Hanson, Eric
Keyword(s): Materials compatibility assessment; polymer melt surface energy measurement; pigment surface reconstruction; contact angle
Abstract: Identifying materials with the right compatibility is an important prerequisite to many developmental practices that involve the assembly of different counterparts. For example, failure to identify the appropriate colorants and additives in ink development can lead to unstable formulations which oft ...
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Effects of Paper on LEP Digital Print Deinking with Alkaline and Neutral Chemistries
HPL-2012-31 Effects of Paper on LEP Digital Print Deinking with Alkaline and Neutral Chemistries - Bhattacharyya, Manoj K.; Ng, Hou T.; Mittelstadt, Laurie S.; Aronhime, Marc
Keyword(s): Neutral deinking chemistry; Alkaline deinking chemistry; LEP Digital Prints.
Abstract: We present a comparative study of HPES and HPMF deinking results of LEP printing using a variety of coated and uncoated substrates from different manufacturing locations. Our results identify three most important factors affecting the deinkability of LEP prints. We also show that all of the LEP digi ...
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