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- Windows 7 will shine in medicine
- not convinced by touchI have a touch phone & a tablet.Frankly, never use the tablet, use keyboarded machines instead, and hanker for a phone with buttons again and not a slide phone.If you want to try to look cool, I can understand having one, but really, they are pretty awkward...
- Tags: Tablets, Notebooks, Microsoft Windows, Startrek, Microsoft Windows 7, tablet, wireless
- Discussion threads 2009-10-23
- A Global Perspective on MAP Inference for Low-Level Vision
- In recent years the Markov Random Field MRF has become the de facto probabilistic model for low-level vision applications. However, in a Maximum A Posteriori MAP framework, MRFs inherently encourage delta function marginal statistics. By contrast, many low-level vision problems have heavy tailed marginal statistics, making the MRF model unsuitable....
- Tags: Vision, Strategy, Management
- White papers 2009-07-29
- Joint Optimization of Segmentation and Appearance Models
- Many interactive image segmentation approaches use an objective function which includes appearance models as an unknown variable. Since the resulting optimization problem is NP-hard the segmentation and appearance are typically optimized separately, in an EM-style fashion. One contribution of this paper is to express the objective function purely in terms...
- Tags: Segmentation, Optimization
- White papers 2009-07-15
- Computers checking mathematical proofs?
- Computers checking mathematical proofs?I suppose proofs could be computer generatedBut unless there's a readable printout, it's only been proven to the computer. Likewise, I have no objections to computer checking of proofs prior to publication with the understanding that it's akin to spell checking. The important thing is...
- Tags: PRODUCTIVITY, Microsoft Office, mathematical proof, computer
- Discussion threads 2008-11-08
- A Genetic Algorithmic Approach to Planning IEEE 802.16 Networks
- IEEE 802.16, also known as WiMAX (Worldwide Inter-operability for Microwave Access), is a new wireless access technology for current increasing demand of wireless high-speed broadband service. Efficient and effective deployment of such a network to service an area of users with certain traffic demands is an important network planning problem....
- Tags: Network, Wireless Access, Wireless, WiMAX, Wi-Fi, Wireless And Mobility
- White papers 2008-10-09
- Multiobjective Optimization of SLA-Aware Service Composition
- In Service Oriented Architecture, each application is often designed as a set of abstract services, which defines its functions. A concrete services is selected at runtime for each abstract service to fulfill its function. Since different concrete services may operate at different Quality of Service QoS measures, application developers are...
- Tags: SLA, Optimization, Service, Service Level Management, Service-Oriented Architecture (SOA), It Operations, It service Management, Web Services, Enterprise Software, Software
- White papers 2008-04-25
- Fast Exact and Heuristic Methods for Role Minimization Problems
- This paper describes several bottom-up approaches to problems in role engineering for Role-Based Access Control RBAC. The salient problems are all NP-complete, even to approximate, yet they find that in instances that arise in practice these problems can be solved in minutes. The paper first considers role minimization, the process...
- Tags: Security Administration, Security
- White papers 2008-04-14
- A Study of Global Inference Algorithms in Multi-Document Summarization
- The work in this paper studies the theoretical and empirical properties of various global inference algorithms for multi-document summarization. The paper starts by defining a general framework and proving that inference in it is NP-hard. It then presents three algorithms: The first is a greedy approximate method, the second a...
- Tags: Algorithm, Programming, Engineering
- White papers 2008-01-02
- Efficient Use of Memory Bandwidth to Improve Network Processor Throughput
- This paper considers the efficiency of packet buffers used in packet switches built using Network Processors NPs. Packet buffers are typically implemented using DRAM, which provides plentiful buffering at a reasonable cost. The problem addressed in this paper is that a typical NP workload may be unable to utilize the...
- Tags: Processor, Bandwidth, DRAM, Network, Memory Bandwidth, Packet Buffer, Memory, Routers & Switches, Semiconductors, Hardware, Components, Networking
- White papers 2008-01-01
- Improving Packing Algorithms for Server Consolidation
- Minimizing the number of servers and preparing sufficient resources are contradictory requirements in server consolidation. These requirements can be formalized as a variant of the bin packing problem, which is known to be NP-hard. The least-loaded, a load-balancing algorithm, is applied to the problem and compared to the classical First-Fit...
- Tags: Algorithm, Load Balancing, NEC Corp., Server Consolidation, Engineering, Servers, Hardware
- White papers 2007-12-14
- Can new Solaris beat Linux in server market?
- Can new Solaris beat Linux in server market?Well if I can get it downloaded sometime this centuryI'll give it a test spin.Are Apache and Tomcat...ported for Solaris? What about MySQL?These are some questions to answer before comparing to Linux.RE: Can new Solaris beat Linux in server market?I dont see...
- Tags: UNIX, Operating systems, Servers, OPEN SOURCE, Microsoft Windows Server 2008, Sun Solaris, Linux, server, new Solari
- Discussion threads 2007-09-11
- Color Picker Pro 1 (Windows)
- Is an addon tool for professional Web designers, graphic artists, etc. It comes with a full color pallet, with over 200 colors and has a variable slider so the possibilities are endless. The RGB or HSB or HEX format converters are all backwards compatible so no matter what format you...
- Tags: Color, Virtual Max Software, Color Picker Pro, Microsoft Windows, Productivity, Channel Management, Operating Systems, Software, Marketing
- Software downloads 2007-08-15
- Optimizing the Internet Gateway Deployment in a Wireless Mesh Network
- In a Wireless Mesh Network WMN, Mesh Routers MRs are interconnected by wireless links and form a wireless backbone to provide ubiquitous high-speed Internet connectivity for mobile clients. The wireless backbone is tightly integrated with the Internet by nodes called as Internet GateWays IGWs. This paper addresses the IGW deployment...
- Tags: Algorithm, Network, Wireless Backbone, Mesh Networking, Internet, Wi-Fi, Engineering, Wireless, Networking
- White papers 2007-08-10
- Efficient Application-Layer Multipath Data Transfer Via TCP
- For applications involving data transmission from multiple sources, an important problem is: when the sources use multiple paths, how to maximize the aggregate sending rate of the sources using application-layer techniques via TCP? This problem is solved in this paper in the context of an overlay network by allowing a...
- Tags: TCP, Source, Tcp/Ip, Networking
- White papers 2007-07-31
- Link-State Routing With Hop-by-Hop Forwarding Can Achieve Optimal Traffic Engineering
- Link-state routing with hop-by-hop forwarding is widely used in the Internet today. The current versions of these protocols, like OSPF, split traffic evenly over shortest paths based on link weights. However, optimizing the link weights for OSPF to the offered traffic is an NP-hard problem, and even the best setting...
- Tags: Princeton University, Traffic, Open Shortest Path First
- White papers 2007-07-19
- Application-Layer Multipath Data Transfer Via TCP: Schemes and Performance Tradeoffs
- For applications involving data transmission from multiple sources, an important problem is: when sources are allowed to use multiple paths, how does one select paths and control the sending rates on the paths to maximize the aggregate sending rate of the sources? This problem is considered in the context of...
- Tags: Performance, University Of Massachusetts, TCP, Source, Tcp/Ip, Networking
- White papers 2007-07-13
- A Genetic-Fuzzy Controller for Load Balancing in Wireless Cellular
- In this paper, a Genetic Algorithm-Fuzzy Logic Controller (GA-FLC) for dynamic channel-borrowing scheme is presented to maximize the number of served calls in distributed wireless cellular networks. The need for such a scheme has led to an intensive research in mobile computing to provide mobile users accesses to the Internet....
- Tags: Mobile, Network, Load Balancing, Cellular Network, Advertising & Promotion, Wi-Fi, Wireless, Marketing
- White papers 2007-07-01
- Is expecting a Vista system to support XP asking too much?
- Is expecting a Vista system to support XP asking too much?OEMs don't need to give backwards compatable driversWhy should they support something that almost nobody wants.Vista has its flaws but why should HP do all the work if you want to install "legacy" software. Finding manufacturer drivers is much easier...
- Tags: Microsoft Windows XP, Hewlett-Packard Co., Microsoft Windows Vista
- Discussion threads 2007-05-07
- Is expecting a Vista system to support XP asking too much?
- The Inquirer runs a story with the provocative title HP screws Presario buyers. The story, by Charlie Demerjian, charts his attempts to get HP to supply drivers for a Windows Vista-based HP/Compaq Presario. Is he just bashing Vista for the heck of it and expecting too much of HP...
- Tags: Adrian Kingsley-Hughes, Charlie Demerjian, Hardware, Hewlett-Packard Co., Inquirer, Microsoft Windows, Microsoft Windows Vista, Microsoft Windows XP, Vista
- Blog posts 2007-05-07
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