university of michigan

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A Social Mechanism for Supporting Home Computer Security

Hackers have learned to leverage the enormous number of poorly protected home computers by turning them into a large distributed system known as a botnet, making home computers an important frontier for security research. They present special problems: owners are unsophisticated, and usage profiles are varied making onesize-fits-all firewall policies...

Tags: User Behavior, Home PC, University Of Michigan, Firewalls, Network Security, Desktops, Security, Networking, Hardware

White papers 2009-04-01

A Framework for Measuring and Predicting the Impact of Routing Changes

Routing dynamics heavily influence Internet data plane performance. Existing studies only narrowly focused on a few destinations and did not consider the predictability of the impact of routing changes on performance metrics such as reachability. This paper proposes an efficient framework to capture coarse-grained but important performance degradation as a...

Tags: Performance, University Of Michigan, Performance Degradation, Performance Management, BGP, Human Resources, Workforce Management, Networking

White papers 2009-01-01

Radmind 1.13 (Mac)

A suite of Unix command-line tools and a server designed to remotely administer the file systems of multiple Unix machines. For Mac OS X, there's also a graphical interface. At its core, radmind operates as a tripwire. It is able to detect changes to any managed filesystem object, e.g....

Tags: Apple Macintosh, University Of Michigan, File System, Change, Server, Loadsets, Apple Mac OS X, Apple Mac OS, Operating Systems, Desktops, Software, Hardware

Software downloads 2008-10-08

iHook 1.2 (Mac)

iHook is a graphical frontend for any commandline executable. It gives scripts a pleasant Aqua face, and allows script writers to provide graphical feedback without having to learn one of the higher APIs available for Mac OS X. iHook accomplishes this through its ability to understand a set of directives....

Tags: Apple Macintosh, University Of Michigan, Script, iHook, Apple Mac OS, Desktops, Apple Mac OS X, Operating Systems, Software, Hardware

Software downloads 2008-07-22

CloudAV: N-Version Antivirus in the Network Cloud

Antivirus software is one of the most widely used tools for detecting and stopping malicious and unwanted files. However, the long term effectiveness of traditional host-based antivirus is questionable. Antivirus software fails to detect many modern threats and its increasing complexity has resulted in vulnerabilities that are being exploited by...

Tags: Software, Detection, Network, University Of Michigan, Malware, Antivirus Software, Spyware, Adware & Malware, Cyberthreats, Viruses And Worms, Security

White papers 2008-05-12

Passive Wireless Sensing Using SWNT- Based Multifunctional Thin Film Patches

This study presents a high-performance inductively coupled multifunctional carbon nanotube thin film sensor for structural monitoring applications. A versatile layer-by-layer self-assembly sensor fabrication technique is employed to encode different sensing mechanisms (e.g., strain and corrosion/pH) within one homogeneous thin film structure. Judicious selection of various polyelectrolyte species, along with the...

Tags: Nanotube, University Of Michigan, Carbon Nanotube, Patch Management, Sensor, Wireless, Nanotechnology, Wi-Fi, Wireless And Mobility, Emerging Technologies

White papers 2008-02-18

T-rays used to reveal old hidden art

U.S. engineers are collaborating with the Center for Research and Restoration at The Louvre Museum in France to use a terahertz device to find murals hidden behind plaster or paint for centuries. T-rays, or pulses of terahertz radiation, can 'illuminate penciled sketches under paintings on canvas without harming the artwork,'...

Tags: France, University Of Michigan, Imaging, Radiation, Church, Document Management, Enterprise Software, Software, Finance, Managerial Accounting, Roland Piquepaille

Blog posts 2008-02-06

Enriching Intrusion Alerts Through Multi-Host Causality

Current intrusion detection systems point out suspicious states or events but do not show how the suspicious state or events relate to other states or events in the system. This paper shows how to enrich an IDS alert with information about how those alerts causally lead to or result from...

Tags: Event, University Of Michigan, Intrusion, Attack, Security, Viruses And Worms

White papers 2008-01-01

MATE: MPLS Adaptive Traffic Engineering

Destination-based forwarding in traditional IP routers has not been able to take full advantage of multiple paths that frequently exist in Internet Service Provider Networks. As a result, the networks may not operate efficiently, especially when the traffic patterns are dynamic. This paper describes a multipath adaptive traffic engineering mechanism,...

Tags: MPLS, Network, University Of Michigan, Networking, Network Technology

White papers 2008-01-01

Programming Language Support for Collaborative Virtual Environments

Collaborative Virtual Environments CVEs are a very popular form of entertainment. The high cost of developing CVEs has limited their use in small scale or experimental domains. The 3D graphics, network communications, and audio features of CVEs pose significant challenges for developers. This paper describes very high-level language support for...

Tags: 3D, University Of Michigan, Programming Language, Virtual Environment, Programming, Collaborative Virtual Environment

White papers 2008-01-01

TIMBER: A Native XML Database

This paper describes the overall design and architecture of the Timber XML database system currently being implemented at the University of Michigan. The system is based upon a bulk algebra for manipulating trees, and natively stores XML. New access methods have been developed to evaluate queries in the XML context,...

Tags: University Of Michigan, XML Database, XML, Performance Management, Software/Web Development, Web Development, Human Resources, Workforce Management

White papers 2008-01-01

The Michigan Benchmark: Towards XML Query Performance Diagnostics

This paper proposes a micro-benchmark for XML data management to aid engineers in designing improved XML processing engines. This benchmark is inherently different from application-level benchmarks, which are designed to help users choose between alternative products. The authors primarily attempt to capture the rich variety of data structures and distributions...

Tags: University Of Michigan, Benchmark, XML Query, XML-Data, XML, Software/Web Development, Web Development

White papers 2008-01-01

Estimating Answer Sizes for XML Queries

Estimating the sizes of query results, and intermediate results, is crucial to many aspects of query processing. In particular, it is necessary for effective query optimization. Even at the user level, predictions of the total result size can be valuable in "Next-step" decisions, such as query refinement. This paper proposes...

Tags: University Of Michigan, XML Query, XML, Software/Web Development, Web Development

White papers 2008-01-01

A flying fish or a seaplane?

University of Michigan engineers have developed a new unmanned aerial vehicle UAV after looking at real flying fish. Like the fish, this seaplane takes off and lands on water. The 7-foot wingspan electric UAV has been funded by the DOD's Defense Advanced Research Projects Agency DARPA and designed as 'an...

Tags: University Of Michigan, Unmanned Aerial Vehicle, Aerospace & Defense, GPS, Manufacturing, Consumer Electronics, Personal Technology, Roland Piquepaille

Blog posts 2007-12-06

Automating chip debugging

You all know that fixing bugs in computer chips after they've been fabricated in silicon is a tedious and costly process. This is why researchers at the University of Michigan have developed a new technology to automate post-silicon debugging. FogClear, as the new method is called, 'uses puzzle-solving search algorithms...

Tags: University Of Michigan, Chip, FogClear, Semiconductors, CAD, Network Technology, Hardware, Software, Networking, Roland Piquepaille

Blog posts 2007-11-06

Efficient Filtering and Routing in a Scalable XML-Based Publish-Subscribe System

This paper introduces YAK - a scalable content-based publish-subscribe system. YAK employs XML documents and expressive XPath queries as the publication and subscription model. To achieve high scalability, it combines the advantages of content routing in existing publish-subscribe systems and the efficient query indexing technique in the context of XML...

Tags: University Of Michigan, YAK, XML, Performance Management, Software/Web Development, Web Development, Human Resources, Workforce Management

White papers 2007-09-21

Data Security Standards: Integrity and Availability

The Data Preservation Alliance for the Social Sciences (Data-PASS) was formed to take shared responsibility for the long-term accessibility to social science datasets that are of value to current and future researchers and policy-makers. To maintain accessibility and support dissemination, the quality and integrity of the information within and about...

Tags: University Of Michigan, Standards, Data Security, Quality, Security, Business Operations

White papers 2007-07-31

Rethinking Antivirus: Executable Analysis in the Network Cloud

Antivirus software installed on each end host in an organization has become the de-facto security mechanism used to defend against unwanted executables. This paper argues that the executable analysis currently provided by host-based antivirus software can be more efficiently and effectively provided as an in-cloud network service. Instead of running...

Tags: Network, University Of Michigan, Antivirus, Analysis

White papers 2007-07-26

Lenses that bring everything into focus

Scientists at the University of Michigan have developed a new lens device that will shrink huge light waves to pinpoints. The superlens looks like a plate and "is etched with a specific pattern. As the waves pass through the patterned lens, it is sculpted into different sizes and shapes. The...

Tags: Engineering &, Innovation, Nanotechnology, Science &, Nature

Blog posts 2007-07-14

Parallelized Simulated Annealing for Model Updating in Ad-Hoc Wireless Sensing Networks

The engineering community has recently begun to adopt wireless sensing technologies for use in many sensing applications. These low-cost sensors provide an optimal setting for dense sensing networks, and can make large amounts of sensor data available. Also, the computational power embedded within each sensing node allows a wireless network...

Tags: Network, University Of Michigan, Wireless, Engineering Community, Wi-Fi, Networking, Wireless And Mobility

White papers 2007-05-11