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Enabling Genuine Eye Contact and Accurate Gaze in Remote Collaboration
HPL-2010-96 Enabling Genuine Eye Contact and Accurate Gaze in Remote Collaboration - Tan, Kar-Han; Robinson, Ian N.; Culbertson, Bruce; Apostolopoulos, John
Keyword(s): eye contact, gaze awareness, remote collaboration, natural interaction, immersive experiences
Abstract: Conventional telepresence systems allow remote users to see one another and interact with shared media and documents, but users cannot make eye contact, and gaze awareness with respect to shared media and documents is lost. In this paper we describe a remote collaboration system based on a see-throu ...
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Fusion of Active and Passive Sensors for Fast 3D Capture
HPL-2010-97 Fusion of Active and Passive Sensors for Fast 3D Capture - Yang, Qingxiong; Tan, Kar-Han; Culbertson, Bruce; Apostolopoulos, John
Keyword(s): 3D, Depth, Sensors, Time of flight, Stereo, Multiview, real time, remote collaboration, human interaction
Abstract: We envision a conference room of the future where depth sensing systems are able to capture the 3D position and pose of users, and enable users to interact with digital media and contents being shown on immersive displays. The key technical barrier is that current depth sensing systems are noisy, in ...
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Future Color Technologies for Digital Commercial and Industrial Print
HPL-2010-100 Future Color Technologies for Digital Commercial and Industrial Print - Dispoto, Gary; Moroney, Nathan
Keyword(s): color, gloss, fluorescence, tactile, substrates
Abstract: Future color technologies for digital commercial and industrial print are reviewed in summary form. Then a database of 434 print substrates is introduced and used to empirically analyze current distributions in the color, tactile, gloss and fluorescence properties of these substrates. This data is a ...
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IT Support Conversation Manager: A Conversation-Centered Approach and Tool for Managing Best Practice IT Processes
HPL-2010-46 (R.1) IT Support Conversation Manager: A Conversation-Centered Approach and Tool for Managing Best Practice IT Processes - Motahari-Nezhad, Hamid R.; Bartolini, Claudio; Graupner, Sven; Singhal, Sharad; Spence, Susan
Keyword(s): Ad-hoc Business Processes, Best Practice Process Frameworks, IT Processes, Collaboration Applications
Abstract: There is a push in the enterprise towards facilitating processes from best practice frameworks (such as the IT Infrastructure Library (ITIL)) to make them more repeatable, efficient and cost-effective. Best practice processes provide descriptive, high level guidelines rather than prescriptive, preci ...
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Contextual Advertising for Web Article Printing
HPL-2010-79 Contextual Advertising for Web Article Printing - Yang, Shengwen; Jin, Jianming; Joshi, Parag; Liu, Sam
Keyword(s): printed ad, web printing, article extraction, contextual advertisement matching
Abstract: Advertisements provide the necessary revenue model supporting the Web ecosystem and its rapid growth. Targeted or contextual ad insertion plays an important role in optimizing the financial return of this model. Nearly all the current ad payment strategies such as "pay-per-impression" and "pay-per-c ...
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Introduction to Waterken Programming
HPL-2010-89 Introduction to Waterken Programming - Stiegler, Marc; Tie, Jing
Keyword(s): distributed secure reliable computing
Abstract: Waterken is a platform built on the Java virtual machine that allows the quick development of reliable, secure, distributed applications. In this introduction, we will first go over the basic concepts of the Waterken platform. Then we will write two services. The first is a digital cash system. The ...
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Simplifying Question Answering on the Web
HPL-2010-92 Simplifying Question Answering on the Web - Anantharangachar, Raghu; Ramani, Srinivasan
Keyword(s): Semantic Web, Triples, RDF, Yellow Pages, Question Answering Systems
Abstract: The growth of World Wide Web (WWW) has created a huge repository of information. However, this information repository can only be used by human beings. A person searching for a specific answer to a question can use the web to gather information from various web sites and other information repositori ...
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New Algorithms for File System Cooperative Caching
HPL-2010-69 New Algorithms for File System Cooperative Caching - Anderson, Eric; Hoover, Christopher; Li, Xiaozhou
Keyword(s): cooperative caching
Abstract: We present two new cooperative caching algorithms that allow a cluster of file system clients to cache chunks (i.e., fixed-size portions) of files instead of directly accessing them from (potentially remote) origin file servers. The first algorithm, Cooperative-LRU, moves a chunk's position closer t ...
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Towards A Conceptual Model For Privacy Policies
HPL-2010-82 Towards A Conceptual Model For Privacy Policies - Casassa Mont, Marco; Pearson, Siani; Creese, Sadie; Goldsmith, Michael; Papanikolaou, Nick
Keyword(s): privacy policies, policy hierarchy, policy refinement, conceptual model
Abstract: This paper presents a conceptual model for privacy policies that takes into account privacy requirements arising from different stakeholders, with legal, business and technical backgrounds. Current approaches to privacy management are either high-level, enforcing privacy of personal data using legal ...
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EnCoRe: Towards a holistic approach to privacy
HPL-2010-83 EnCoRe: Towards a holistic approach to privacy - Papanikolaou, Nick; Creese, Sadie; Goldsmith, Michael; Casassa Mont, Marco; Pearson, Siani
Keyword(s): privacy policies, policy hierarchy, policy refinement
Abstract: Privacy requirements for IT systems and solutions arise from a variety of sources, including legislation, sector-specific regulation, organisational guidelines, social and user expectations. In this paper we present and discuss a holistic approach to the management of privacy - explored in the conte ...
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Customer repeat purchase modeling: A Bayesian Hierarchical Framework
HPL-2010-85 Customer repeat purchase modeling: A Bayesian Hierarchical Framework - Pal, Jayanta Kumar; Misra. Subhasish
Keyword(s): Customer Repeat purchase, Bayesian hierarchical modeling, database marketing
Abstract: Two of the major queries in a database marketing/CRM are of predicting the churn of a customer; the frequency of his repeat purchases. Data mining techniques have often been used to approach these, albeit with limited success. In this paper we develop a methodology, using a Bayesian analysis framewo ...
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Sustainable IT Ecosystems: Enabling Next-Generation Cities
HPL-2010-73 Sustainable IT Ecosystems: Enabling Next-Generation Cities - Hoover, Christopher E.; Sharma, Ratnesh K.; Watson, Brian J.; Charles, Susan K.; Shah, Amip J.; Patel?, Chandrakant D.; Marwah, Manish; Christian, Thomas W.; Bash, Cullen E.
Keyword(s): sustainability, cities, sustainable it ecosystems, ecosystems, life cycle, microgrid, water, power, analytics, control theory, autonomous control, pervasive sensing, design
Abstract: In this paper, we describe an integrated design and management approach for building next-generation cities. This approach leverages IT technology in both the design and operational phases to optimize sustainability over a broad set of metrics while lowering costs. We call this approach a Sustainabl ...
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Luminescent Enhancement of Reflective Displays
HPL-2010-78 Luminescent Enhancement of Reflective Displays - Gibson, Gary A.; Sheng, Xia; Manna, Pramit; Henze, Dick
Keyword(s): reflective displays, e-paper, luminescence
Abstract: Achieving bright reflected colors is a major challenge for reflective display technologies. We demonstrate the potential for photoluminescence to enhance the color performance of simple reflective displays based on electrophoretic or dichroic guest-host technologies. ...
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Simple Mode: Addressing Knowledge Engineering Complexity in a Privacy Expert System
HPL-2010-75 Simple Mode: Addressing Knowledge Engineering Complexity in a Privacy Expert System - Pearson, Siani
Keyword(s): privacy, decision support, usability, knowledge engineering
Abstract: This paper shows how a combination of usability and heuristics can be used to reduce complexity for privacy experts who create and maintain the knowledge base of a decision support system. This system helps people take privacy into account during decision making without being overwhelmed by the comp ...
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Context-Aware Privacy Design Pattern Selection
HPL-2010-74 Context-Aware Privacy Design Pattern Selection - Pearson, Siani; Shen, Yun
Keyword(s): Privacy, Design Patterns, Context Awareness
Abstract: User-related contextual factors affect the degree of privacy protection that is necessary for a given context. Such factors include: sensitivity of data, location of data, sector, contractual restrictions, cultural expectations, user trust (in organisations, etc.), trustworthiness of partners, secur ...
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Automatic visual inspection and defect detection on Variable Data Prints
HPL-2008-163 (R.1) Automatic visual inspection and defect detection on Variable Data Prints - Vans, Marie; Schein, Sagi; Staelin, Carl; Kisilev, Pavel; Simske, Steven; Dagan, Ram; Harush, Shlomo
Keyword(s): Variable data printing, high-speed inspection, print defect detection, scanning, GPU
Abstract: We propose a system for automatic, on-line visual inspection and print defect detection for Variable -Data Printing (VDP). This system can be used to automatically stop the printing process and alert the operator to problems. We present the components required for constructing a vision-based inspect ...
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LazyBase: Trading freshness for performance at scale
HPL-2010-70 LazyBase: Trading freshness for performance at scale - Morrey III, Charles B.; Keeton, Kimberly; Soules, Craig A. N.; Veitch, Alistair
Keyword(s): distribute, database, scaling, pipelining, freshness, staleness, update/access tradeoff
Abstract: Increasingly, enterprise applications wish to perform data mining analyses on rapidly changing data sets. Many of these applications can perform correctly on varying degrees of stale data. However, traditional systems poorly support simultaneous updates and read queries at the performance desired by ...
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A Distributed Parallel Image Analysis Platform with MapReduce Integration
HPL-2010-71 A Distributed Parallel Image Analysis Platform with MapReduce Integration - Liu, Keyan; Zhang, Tong; Wang, Lei; Wang, Qinlong; Ma, Yue
Keyword(s): Content-based image analysis system, distributed parallel image analysis, multi-core and multi-server MapReduce
Abstract: In this paper, a novel distributed parallel platform for large scale image analysis is developed to support image analysis tasks like image feature extraction, clustering and similarity matching. The platform can be widely used in large scale image processing that usually involves compute-intensive ...
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HP Transforms Product Portfolio Management with Operations Research
HPL-2010-66 HP Transforms Product Portfolio Management with Operations Research - Ward, Julie; Zhang, Bin; Jain, Shailendra; Fry, Chris; Olavson, Thomas; Mishal, Holger; Amaral, Jason; Beyer, Dirk; Brecht, Ann; Cargille, Brian; Chadinha, Russ; Chou, Kathy; DeNyse, Gavin; Feng, Qi; Padovani, Cookie; Raj, Sesh; Sunderbruch, Kurt; Tarjan, Robert; Venkatraman, Krishna; Woods, Joseph; Zhou, Jing
Keyword(s): cost analysis; stochastic inventory analysis; flow algorithms; product portfolio management; inventory management; regression; statistic; binary programming; Lagrangian relaxation; parametric maximum flow
Abstract: HP offers many innovative products to meet diverse customer needs. The breadth of its product offerings has helped the company achieve unparalleled market reach; however, it has come with significant costs and challenges. By offering multiple similar products, a manufacturer increases its overall de ...
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Behaviour, Interaction and Control of User Communities
HPL-2010-68 Behaviour, Interaction and Control of User Communities - Collinson, Matthew
Keyword(s): information security, user behavior, modelling
Abstract: Most modern organisations have information security policies that are designed to guide the behaviour of their user communities. It is often impractical for these policies to be enforced directly, and users frequently have incentives not to comply. In both realistic and simplified situations the res ...
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AWAIT: Efficient Overload Management for Busy Multi-tier Web Services under Bursty Workloads
HPL-2010-65 AWAIT: Efficient Overload Management for Busy Multi-tier Web Services under Bursty Workloads - Lu, Lei; Cherkasova, Ludmila; de Nitto Persone, Vittoria; Mi, Ningfang; Smirni, Evgenia
Keyword(s): Multi-tier systems, admission control, overload, burstiness, Index of dispersion, performance evaluation
Abstract: The problem of service differentiation and admission control in web services that utilize a multi-tier architecture is more challenging than in a single-tiered one, especially in the presence of bursty conditions, i.e., when arrivals of user web sessions to the system are characterized by temporal s ...
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The Emergence of Privacy Impact Assessments
HPL-2010-63 The Emergence of Privacy Impact Assessments - Tancock, David; Pearson, Siani; Charlesworth, Andrew
Keyword(s): privacy, privacy impact assessment
Abstract: This paper considers the emergence of Privacy Impact Assessments (PIAs), and identifies key aspects of their development, concept, practice and policy from their beginnings through to the date of writing (May 2010). A PIA is a systematic process for evaluating the possible effects that a particular ...
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Experience in Extending Query Engine for Continuous Analytics
HPL-2010-44 Experience in Extending Query Engine for Continuous Analytics - Chen, Qiming; Hsu, Meichun
Keyword(s): In-Database Stream Processing
Abstract: Combining data warehousing and stream processing technologies has great potential in offering low-latency data-intensive analytics. Unfortunately, such convergence has not been properly addressed so far. The current generation of stream processing systems is in general built separately from the data ...
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Templated Recursive Image Composition
HPL-2010-59 Templated Recursive Image Composition - Atkins, C. Brian; Lyons, Nicholas P.; Zhang, Xuemei; Tretter, Daniel R.
Keyword(s): automatic layout, template, image layout, album, collage
Abstract: With the rapid expansions of image acquisition and consumption, there is an increasing need for solutions that help ordinary people create image composites. In most solutions today, image layouts are provided as fixed templates. Although fixed templates benefit from a familiar use model and signific ...
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Fast Inverse Halftoning
HPL-2010-52 Fast Inverse Halftoning - Karni, Zachi; Freedman, Daniel; Shaked, Doron
Keyword(s): inverse halftoning
Abstract: Printers use halftoning to render printed pages. This process is useful for many printing technologies which are binary in nature, as it allows the printer to deposit the ink as series of dots of constant darkness. Indeed, many of printing pipelines are based on this 1-bit framework; this unfortunat ...
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