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- Better Bounds for Online Load Balancing on Unrelated Machines
- This paper studies the problem of scheduling permanent jobs on un-related machines when the objective is to minimize the Lp norm of the machine loads. The problem is known as load balancing under the Lp norm. It presents an improved upper bound for the greedy algorithm through simple analysis; this...
- White papers 2007-10-11
- Combinatorics of TCP Reordering
- This paper studies a combinatorial problem motivated by a receiver-oriented model of TCP traffic from, that incorporates information on both arrival times, and the dynamics of packet IDs. It shows that given a buffer sequence B, constructing a sequence A of IDs that belongs to the preimage of B is...
- White papers 2007-04-10
- Capacity Theorems for Cooperative Relay Broadcast Channels
- The partially cooperative Relay Broadcast Channel RBC is studied in this paper, where a source transmits to two users, and one user also acts as a relay node to assist broadcast communication. The source has common information intended for both users and private information for each user. Inner and outer...
- White papers 2006-03-06
- Edge-Cut Bounds on Network Coding Rates
- Active networks are network architectures with processors that are capable of executing code carried by the packets passing through them. A critical network management concern is the optimization of such networks and tight bounds on their performance serve as useful design benchmarks. A new bound on communication rates is developed...
- White papers 2006-03-01
- Performance Bounds in OFDM Channel Prediction
- OFDM channel prediction algorithms have been proposed to combat feedback delay in adaptive OFDM systems. However, no simple closed-form expression that relates prediction Mean-Square Error MSE with the design parameters in OFDM channel prediction has been reported in the literature. This paper attempts to fill that gap by deriving simple...
- White papers 2005-11-26
- On the Erasure Recoverability of MDS Codes Under Concurrent Updates
- This paper considers a fault-tolerant distributed storage system that protects data on k disks using a systematic linear (n, k) MDS code. In such a system, updates to data blocks require corresponding updates to check blocks. Concurrent fault-prone access by multiple writers can drive the system into an inconsistent state...
- White papers 2005-10-26
Additional Resources
- Open source is about belief in code
- Open source is about belief in codeAnd there is the power that cannot be overcome ]:)[B][/B]wow you hit it just where it neededyou so right when you explain that even of a open source company goes belly-up its code will survive .......that so true with this code will...
- Discussion threads 2008-10-10
- "People with strong numerical and problem-solving skills seem to be appreciated by employers"
- "People with strong numerical and problem-solving skills seem to be appreciated by employers"They are? They do?If I ever find a company that does outside of their R&D dept, I would be surprised. Most people, from the worker bee to the executive all seem brain dead, with very few (but nonetheless...
- Discussion threads 2008-10-09
- Have we all become a bunch of anxious, depressed, sleep-deprived irritable stress-heads?
- Let's face it, the last month or so has been a challenge for just about anyone's tolerance of stress and has made even the most "stable" of us question our own emotional and mental health. But I've discovered that IT workers in particular, or anyone who...
- Blog posts 2008-10-08
- Apple dominates the teen vote, but...
- Apple dominates the teen vote, but...But of courseit's a cultural thing that hasn't had a black eye yet to turn people off, and in retail, at least the MP3 category is labeled iPod then mp3 players. iPod is held up as that category. The iPhone was pimped out...
- Discussion threads 2008-10-08
- A question about web server volume failures
- A question about web server volume failuresWrite heavy loadI don't think you can compare a write-heavy do-not-call registry to a mostly static wordpress site.It wouldn't hard to mock-up a simple registry site and test it.The question you seem to be askig is.. how do i make my site scalable.Lets start...
- Discussion threads 2008-10-07
- Apple says report of Steve Jobs heart attack is false
- updated: A citizen journalist's report this morning that Apple CEO Steve Jobs had suffered a severe heart attack and been hospitalized is not true, Apple spokespeople told ZDNet this morning. The initial report cited an unnamed "reliable" source saying that Jobs was suffering chest pains and shortness of breath. ...
- Blog posts 2008-10-03
- Palin had '10 to 15' secret email accounts
- Palin had '10 to 15' secret email accountsWhy...Why are you people so hard on Palin? She can't help it. She suffers from Palinitis: You open your mouth, out pops a lie.I mean, she is only running for Vice President of the United States, with the additional possibility...
- Discussion threads 2008-10-01
- Welcome to the new ZDNet Reviews Beta
- I'm happy to announce that today, ZDNet Reviews got a much-needed overhaul. In addition to some strictly cosmetic design changes, we've added tons of new product review content. click to enlarge While we still feature best-in-breed content from our sister site, CNET.com, we're now...
- Blog posts 2008-09-30
- Zoho bitterness at the credit crunch...and a solution
- Zoho bitterness at the credit crunch...and a solutionMissing Facts...You're missing several key facts about our current mess...1) The banks were forced into making high risk loans by our delightful government. Based on a study later determined to be flawed showing bias in lending, the Clinton administration passed laws requiring banks...
- Discussion threads 2008-09-30
- Was RIM's Wall Street beating unjustified?
- Shares of Research In Motion got hammered to the tune of more than 27 percent to close the week - this despite a quarterly earnings report yesterday that included a 72 percent jump in profit from a year ago. That just goes to show that, especially in the quick-growth, suddenly-crowded...
- Blog posts 2008-09-26
- Good data, good SOA
- No sooner had I put up my last post on why SOA needs data governance when I see Dave Linthicum had posted a similar theme at his site a little earlier in the day. <Commence Twilight Zone theme music....> Dave observes that the best approach to SOA...
- Blog posts 2008-09-23
- XP on XO goes to Peru
- Peru will be starting a 9-month trial of OLPC's XO laptops running a "tweaked" version of Windows XP and Microsoft's low-cost version of Office, Microsoft Office 2003 Standard and Learning Essentials 1.0. While the feature in Ars Technica made no mention of the XO's innovative Sugar interface, it looks...
- Blog posts 2008-09-16
- Semantics in Advertising
- Whilst there's quite a tendency these days to stick 'semantic' in front of almost every word in the dictionary and attempt to create a new industry segment, the related markets of advertising and marketing do actually seem ripe for this sort of engagement. Ion Interactive President &...
- Blog posts 2008-09-15
- Might Ubuntu and Firefox part ways because of the dreaded EULA?
- Might Ubuntu and Firefox part ways because of the dreaded EULA?Let Mozilla put the EULA on their start pageIf they want it, they can host it.Increasing awareness is not always a good thingCancer, for instance.I'm in the "it's no big deal" camp.We're talking about trademark usage here, not use of...
- Discussion threads 2008-09-15
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