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- Demo Abstract: Measuring Foot Pronation Using RFID Sensor Networks
- Running efficiency is an important factor to consider in order to avoid injury. In particular, foot pronation, the angle of the foot as it hits the ground, is a common cause for many types of injuries among runners. Though pronation is common, diagnosing pronation is difficult and imprecise. Currently there...
- Tags: Network, Injury, Sensor, Association For Computing Machinery, RFID, Wireless And Mobility, Security, Biometrics
- White papers 2009-11-06
- Wildlife and Environmental Monitoring Using RFID and WSN Technology
- Wireless Sensor Networks enable scientists to collect information about the environment with a granularity unseen before, while providing numerous challenges to software designers. Since sensor devices are often powered by small batteries, which take considerable effort to replace, it is of major importance to use energy carefully. The paper presents...
- Tags: Association For Computing Machinery, RFID, Data Management, Storage, Databases, Hardware, Enterprise Software, Software
- White papers 2009-11-06
- Biorthogonality, Step-Indexing and Compiler Correctness
- This paper defines logical relations between the denotational semantics of a simply typed functional language with recursion and the operational behaviour of low-level programs in a variant SECD machine. The relations, which are defined using biorthogonality and step-indexing, capture what it means for a piece of low-level code to implement...
- Tags: Compiler, Association For Computing Machinery, Development Tools, Software Development, Software/Web Development
- White papers 2009-09-02
- Locking Key Ranges With Unbundled Transaction Services
- To adapt database technology to new environments like cloud platforms or multi-core hardware, or to try anew to provide an extensible database platform, it is useful to separate transaction services from data management elements that need close physical proximity to data. With "Generic" transactional services of concurrency control and recovery...
- Tags: Association For Computing Machinery, Multi-core, Data Management, Storage, Databases, Hardware, Enterprise Software, Software
- White papers 2009-08-28
- Why Should We Integrate Services, Servers, and Networking in a Data Center?
- Since the early days of networks, a basic principle has been that endpoints treat the network as a black box. An end-point injects a packet with a destination address and the network delivers the packet. This principle has served one well, and allowed one to scale the Internet to billions...
- Tags: Data Center, Network, Server, Association For Computing Machinery, End-point, Internet, Networking
- White papers 2009-08-21
- De-Anonymizing the Internet Using Unreliable IDs
- Today's Internet is open and anonymous. While it permits free traffic from any host, attackers that generate malicious traffic cannot typically be held accountable. This paper, presents a system called HostTracker that tracks dynamic bindings between hosts and IP addresses by leveraging application-level data with unreliable IDs. Using a month-long...
- Tags: Association For Computing Machinery, Internet, E-mail, Networking, Online Communications
- White papers 2009-08-21
- Detailed Diagnosis in Enterprise Networks
- By studying trouble tickets from small enterprise networks, the paper concludes that their operators need detailed fault diagnosis. That is, the diagnostic system should be able to diagnose not only generic faults (e.g., performance-related) but also application specific faults (e.g., error codes). It should also identify culprits at a fine...
- Tags: Diagnosis, Association For Computing Machinery, Enterprise Network
- White papers 2009-08-21
- Delegating Network Security With More Information
- Network security is gravitating towards more centralized control. Strong centralization places a heavy burden on the administrator who has to manage complex security policies and be able to adapt to users' requests. To be able to cope, the administrator needs to delegate some control back to end-hosts and users, a...
- Tags: Administrator, Network, Network Security, Association For Computing Machinery, Delegation, Networking, Security
- White papers 2009-08-21
- OLS - Opportunistic Localization System for Smart Phones Devices
- People are eager to locate their peers on a campus or in buildings and stay connected with them. OLS makes that simple. OLS's core technology is an opportunistic location system based on smart phone devices. Its main advantage is that it seamlessly works throughout heterogeneous environment including indoors as opposed...
- Tags: Phone, Smart Phone, Association For Computing Machinery, OLS, Smart Phones, Telecom & Utilities, Cellular Phones, Handhelds, Consumer Electronics, Personal Technology, Hardware
- White papers 2009-08-17
- Your Botnet Is My Botnet: Analysis of a Botnet Takeover
- Botnets, networks of malware-infected machines that are controlled by an adversary, are the root cause of a large number of security problems on the Internet. A particularly sophisticated and insidious type of bot is Torpig, a malware program that is designed to harvest sensitive information (such as bank account and...
- Tags: Credit Card, Malware, Association For Computing Machinery, Bot, Analysis, Spyware, Adware & Malware, Cyberthreats, Sales Channel, Financial Services, Security, Sales
- White papers 2009-08-14
- Architectural Considerations for Distributed RFID Tracking and Monitoring
- This paper discusses architectural challenges in designing a distributed, scalable system for RFID tracking and monitoring. The paper argues for the need to combine inference and query processing techniques into a single system and consider several architectural choices for building such a system. Key research challenges in designing the system...
- Tags: Monitoring, Association For Computing Machinery, RFID, Productivity, Wireless And Mobility, Security, Biometrics
- White papers 2009-08-12
- Playout Buffer and Rate Optimization for Streaming Over IEEE 802.11 Wireless Networks
- Most streaming rate selection and buffer optimization algorithms are developed for wired networks and can perform poorly over wireless networks. WirelessMAClayer behavior, such as rate adaptation, retransmissions, and medium sharing, can significantly degrade the effectiveness of current streaming algorithms. This paper presents the Buffer and Rate Optimization for Streaming BROS...
- Tags: Algorithm, IEEE 802.11, Optimization, Network, Association For Computing Machinery, Wireless Network, BROS, Engineering, Wi-Fi, Wireless And Mobility
- White papers 2009-08-01
- Predicting User Interests From Contextual Information
- Search and recommendation systems must include contextual information to effectively model users' interests. This paper presents a systematic study of the effectiveness of five variant sources of contextual information for user interest modeling. Post-query navigation and general browsing behaviors far outweigh direct search engine interaction as an information-gathering activity. Therefore...
- Tags: Search Engine, Association For Computing Machinery, Search, Research & Development, Business Operations
- White papers 2009-07-23
- Wifi-Reports: Improving Wireless Network Selection With Collaboration
- Wi-Fi clients can obtain much better performance at some commercial hotspots than at others. Unfortunately, there is currently no way for users to determine which hotspot Access Points APs will be sufficient to run their applications before purchasing access. To address this problem, this paper presents Wifi-Reports, a collaborative service...
- Tags: HotSpot, Collaboration, Performance, Network, Association For Computing Machinery, Wireless Network, Access Point, Wireless, Performance Management, Wireless LANs, Wireless And Mobility, Wi-Fi, Security Administration, Human Resources, Workforce Management, Security
- White papers 2009-06-25
- Automated Control in Cloud Computing: Challenges and Opportunities
- With advances in virtualization technology, virtual machine services offered by cloud utility providers are becoming increasingly powerful, anchoring the ecosystem of cloud services. Virtual computing services are attractive in part because they enable customers to acquire and release computing resources for guest applications adaptively in response to load surges and...
- Tags: Association For Computing Machinery, Virtual Machine, Computing Service, Virtualization, Cloud Computing, Desktop Virtualization, Storage Management, Utility Computing, Hardware, Storage
- White papers 2009-06-19
- Mobile Personal Electrocardiogram Monitoring System With Patient Location
- The design of portable systems for remote monitoring of cardiac activity is one of the most important fields in telemedicine and telecare. A mobile monitoring system with low-cost hardware equipment will be described, together with wireless transmission utilizing Bluetooth for real-time ECG acquisition, measurement, archiving and visualization in both mobile...
- Tags: Patient, Phone, Mobile, Association For Computing Machinery, Advertising & Promotion, Telecom & Utilities, Marketing
- White papers 2009-05-18
- WaterCooler: Exploring an Organization Through Enterprise Social Media
- As organizations scale up, their collective knowledge increases, and the potential for serendipitous collaboration between members grows dramatically. However, finding people with the right expertise or interests becomes much more difficult. Semi-structured social media, such as blogs, forums, and bookmarking, present a viable platform for collaboration - if enough people...
- Tags: Social Media, Association For Computing Machinery, Organization
- White papers 2009-05-13
- Using Static Analysis for Ajax Intrusion Detection
- 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 asynchronous communication, frameworks, and dynamic code generation. The paper uses the analysis to extract a model of expected client behavior as seen from the...
- Tags: AJAX, Association For Computing Machinery, Analysis
- White papers 2009-04-24
- Detecting Image Spam Using Local Invariant Features and Pyramid Match Kernel
- 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 one-class SVM classifier which uses the pyramid match kernel as the kernel function to detect image spam. Experimental results demonstrate...
- Tags: Pyramid, Association For Computing Machinery, Kernel, Spam, Security, Spam And Phishing
- White papers 2009-04-24
- Web Spam Challenge Proposal for Filtering in Archives
- This paper proposes new tasks for a possible future Web Spam Challenge motivated by the needs of the archival community. The Web archival community consists of several relatively small institutions that operate independently and possibly over different Top Level Domains TLDs. Each of them may have a large set of...
- Tags: Web, Association For Computing Machinery, Channel Management, Marketing
- White papers 2009-04-21
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