According to the document, they reference the original 1998 paper on PageRank. I see a number of other references about improvements to the algorithm, but nothing specific to Google's own implementation. The paper mentions how the improvements help, but not if Google uses them.
Hence it is forward for the article author or one of the paper authors to assume these techniques will speed up Google- I'm confident their engineers have been following academic work in this area and perhaps they have already discovered these same (or orthogonal) techniques.
That is, not to say that google could not reimplement their algorithms to take in these improvements if they already have... but basing your speedup number on the 1998 algorithm and public domain mods is showy. Although it does help grab a readers attention when browsing abstracts. ^_^
That google hasn't already implemented something akin to quadratic extrapolation, or some orthogonal optimization technique. Google has come a long way since the published page rank papers 4 years back.
What if they combined extrapolation and blocking factors; they would focus on computing the pagerank of pages in groups that were logically "tight", or using subcomponents of URLS, as opposed just to domain sensitivity. To be more flexible, what if it computes a VQ-type data structure (like for doing paletted images from full-color) that is populated by the most popular "domains" of the internet according to the last pagerank, and then splits up its workload based on that?
What if they already figured that out?
In the abstract, they mention how the work is particular important to the linear algebra community. That is what their focus should be on; google is just an application/real-world-example of that research (but it may not be relevant today).
Or did they have access to the current page-rank algorithm?
I've never ran any sort of anti-virus... Ever. And I've never had a virus......that I noticed.
Just because you don't think you have a virus doesn't mean you don't have one that's good at hiding. Try loading an AV and seeing what it finds. It might do you some good.
Personally, I have an updated one that I keep disabled most of the time except when I get up and leave it on; then I tell it to scan. Hasn't turned up anything. Good sign...
divvy up the SCSI disk on a fast machine (preferably not your NFS server), and export the partition with this. The server portion of nbd is a user-space daemon. Then make sure nbd (client portion) is enabled in your netboot kernel, and right before you swapon (but after you use BOOTP and bring up the net) attach your swap device from the server. Then you can swapon/dev/ndb0 or whatever it calls itself.
that sucks. Also, the inability to decode it in realtime at HDTV resolutions without a P4 3GHz is kinda disheartening. Well, its' nice to know you can still give it a shot! For archival purposes it sounds like a lark. Thanks for clearing that up.
I was thinking of a single source and mic. yarrrgh. I guess it's valid for doing subwoofer calibration since the wavelength dwarfs most anything that reflects in the room.
And in the case where f(t) = f1(t) * u1(t) + f2(t) * u2(t), with a stationary mic you can find v1(t) and v2(t) such that f'(t) = f1(t) * v1 (t) * u1(t) + f2(t) * v2(t) * u2(t), where v1 and v2 cancel out u1 and u2. But it will only work in that one spot.
Now if you have multiple spots, you can find v1' , v2', ec. that minimize the least-squares difference between fi * vi' * ui_k and fi for all i in n, and for k microphone positions. But that will probably only fix any pervasive effects of room resonance, and no local effects.
sigh. No free lunch. It's a lot easier to make your room sound good then to brute force the signal, eh?
The On guys compared VP6 to something called H.264, which I come to find out later is an official standard (newly released) for MPEG-4 encoding. It looked really damn good, almost as good as VP6 on the frames they chose.
I understand XviD's implementation of MPEG-4 is based on H.263.
So is anybody (including XviD) considering implementing it? I understand it isn't patent-encumbered. I could be wrong...
It's about having OS hooks to allow for introspection, subsystem management, etc. on a more fine-grained level.
The software can tell the OS, I have three major components (even though I singly-threaded) and they are each require such and such devices, and such and such memory, etc. and if anything looks out of these parameters I can give you, then call this MAGIC FUNCTION and I'll give it a good whack to make it right again. Or if such and such hardware device I needed fails, I can take corrective action. Maybe I start listening on network card eth1 when before I was listening to eth0.
Actually, you can, provided you use a high-enough ordered FIR filter. But the problem you run into is that the filter may be ill-conditioned, and the wrong kind of quisecence could send it into drive... which is bad.
This can be helped by using an IIR filter, but that is harder to set up from the room response, and you may have to use shortcuts that while not optimal, will sound okay.
The thing that isn't recoverable isn't time smearing, it's the non-linear response of the echos off the imperfectly-elastic walls of the chamber. Fortunately it's only slightly off. So you make a best linear-filtering attempt. Time-smearing and spectrum coloring are both linear processes. The physics involved isn't.
You can get uber-FLAT frequency-response condenser and uni-directional mics for $300 or less, retail. We used $250 dollar mics to do acoustic triangulation, which is very sensitive to input characteristics, and we didn't need anything special. So those types of input devices would be well suited for setting up a DSP and tuning room response.
The more expensive ones are meticulously designed to color the sound slightly to complement the human voice, hence the high prices.
BTW, even hand-made infrasound microphones (used to detect unmanned drones) only cost about $2000 a pop.
I guess the worst part was that he was hosting a chat. Talk about a grab for attention.
I mean, on the one hand it's cool to try to educate people on things concerning security. But he doesn't need to pimp himself with the credentials. People who read USAToday will pretty much believe anyone tells them... forwarded emails, you know ^_^
Smells like he's fishin' for gullable clients. Then again, maybe he's just bored.::shrugs::
Why would you want to pay to sit in low-earth orbit for (any) period of time?
We need:
1) High-altitude high-speed space/planes to make the 3 hour trip from Chicago O'hare to Tokyo
or
2) Some sort of destination for the space trip, ala the moon.
If it's weightlessness you want, I'm sure you can buy a vomit comit for much less than funding your own rocket program.
Now, if your enterprise is purely geared towards privatizing small-scale space work, and gaining a foothold in that area, then I have to applaud that. If we're going to have an inter-sol-system trucking company we've gotta have pioneers. ^_^
He (the article author) underestimates the scientific mind and determinism of some programmers.
Many of the best programmers I know are wont to draw up proofs and diagrams on paper before sitting down to code. Then as they evolve their code they do tests, draw more conclusions, and figure out what needs to change next.
If they went as far as to document that whole cycle, they would be 80% of the way to a research paper.::shrugs::
It's an art, but so is writing elegant, easy-to-understand proofs. It's an art, as much as designing a new car is to engineers.
It's going to need to make money. It can't get all philosophical without hurting too many people's feelings. OTH Americans like violence (especially when its inflicted on something that doesn't look like us).
Hell, it was daring of them to make the people into food. The plugs on the guys heads/hands in the first movie made my dad so nauseous he left the theatre.
Hungry for $4.00 popcorn? I can think of something nice to gaze at while you munch. Just get out there already, I'd feel sorry for Reeves if you didn't. I mean, he likes pot! That's cool -- big ups to my man!
fieldset, legend tags are used to do it. Funny thing is I'd never heard of them in my life. Apparently they're used to do form meta-layout, as a hint to non graphical browsers, or a browser with a special form handler.
Apparently they don't get played around with much, (d'Oh!)
Christ almighty. Say a bunch of stuff we already know, claim you're the head of Nintendo, and get modded up.
Please check the history before modding up, especially if you don't know what the fuck he's talking about.
SAMIR IS A TROLL. YHL HAND
Oh, and ignore the fact that we contribute very little energy above and beyond THE SUN in higher energy bands, where you should be worried about your health.
BTW the total emf measured in free space near metropolitan areas is less than 1 mG, well below the accepted safe limit. In our datacenter, next to a PDU, it was 3 mG. It had a remarkably high proportion of energy at 60Hz, which caused monitors to wiggle, which is why we investigated. So to compensate we set all monitors at 60Hz.
Not in any way remarkable. You can get a higher exposure by sitting your ass on a copy machine. Got cancer yet, slashdot?
Bluetooth chipsets are currently not stable enough to guarantee sub 20ms delivery consistently. A jitter or latency that bad kind of sucks for interactive use, esp. for playing music. Moreover, the presence of other bluetooth or 802.11 devices could mess it up. As they become more commonplace, you have to consider whether you want to add latency sensitive devices to the mix until QoS is part of the protocol (or at least enforced in the driver).
Slashdot Mirror
According to the document, they reference the original 1998 paper on PageRank. I see a number of other references about improvements to the algorithm, but nothing specific to Google's own implementation. The paper mentions how the improvements help, but not if Google uses them.
Hence it is forward for the article author or one of the paper authors to assume these techniques will speed up Google- I'm confident their engineers have been following academic work in this area and perhaps they have already discovered these same (or orthogonal) techniques.
That is, not to say that google could not reimplement their algorithms to take in these improvements if they already have... but basing your speedup number on the 1998 algorithm and public domain mods is showy. Although it does help grab a readers attention when browsing abstracts. ^_^
That google hasn't already implemented something akin to quadratic extrapolation, or some orthogonal optimization technique. Google has come a long way since the published page rank papers 4 years back.
What if they combined extrapolation and blocking factors; they would focus on computing the pagerank of pages in groups that were logically "tight", or using subcomponents of URLS, as opposed just to domain sensitivity. To be more flexible, what if it computes a VQ-type data structure (like for doing paletted images from full-color) that is populated by the most popular "domains" of the internet according to the last pagerank, and then splits up its workload based on that?
What if they already figured that out?
In the abstract, they mention how the work is particular important to the linear algebra community. That is what their focus should be on; google is just an application/real-world-example of that research (but it may not be relevant today).
Or did they have access to the current page-rank algorithm?
I've never ran any sort of anti-virus... Ever. And I've never had a virus... ...that I noticed.
Just because you don't think you have a virus doesn't mean you don't have one that's good at hiding. Try loading an AV and seeing what it finds. It might do you some good.
Personally, I have an updated one that I keep disabled most of the time except when I get up and leave it on; then I tell it to scan. Hasn't turned up anything. Good sign...
Use the stock nbd... afaik it works fine (I think the issue is that it's not as fast as it could be; that's what enbd is trying to accomplish...)
It won't hurt. Compile it as a module.
have you tried it?
the enhanced network block device...
/dev/ndb0 or whatever it calls itself.
divvy up the SCSI disk on a fast machine (preferably not your NFS server), and export the partition with this. The server portion of nbd is a user-space daemon.
Then make sure nbd (client portion) is enabled in your netboot kernel, and right before you swapon (but after you use BOOTP and bring up the net) attach your swap device from the server. Then you can swapon
Magic.
that sucks.
Also, the inability to decode it in realtime at HDTV resolutions without a P4 3GHz is kinda disheartening.
Well, its' nice to know you can still give it a shot! For archival purposes it sounds like a lark. Thanks for clearing that up.
I was thinking of a single source and mic. yarrrgh. I guess it's valid for doing subwoofer calibration since the wavelength dwarfs most anything that reflects in the room.
And in the case where f(t) = f1(t) * u1(t) + f2(t) * u2(t), with a stationary mic you can find v1(t) and v2(t) such that f'(t) = f1(t) * v1 (t) * u1(t) + f2(t) * v2(t) * u2(t), where v1 and v2 cancel out u1 and u2. But it will only work in that one spot.
Now if you have multiple spots, you can find v1' , v2', ec. that minimize the least-squares difference between fi * vi' * ui_k and fi for all i in n, and for k microphone positions. But that will probably only fix any pervasive effects of room resonance, and no local effects.
sigh. No free lunch. It's a lot easier to make your room sound good then to brute force the signal, eh?
The On guys compared VP6 to something called H.264, which I come to find out later is an official standard (newly released) for MPEG-4 encoding. It looked really damn good, almost as good as VP6 on the frames they chose.
I understand XviD's implementation of MPEG-4 is based on H.263.
So is anybody (including XviD) considering implementing it? I understand it isn't patent-encumbered. I could be wrong...
It's about having OS hooks to allow for introspection, subsystem management, etc. on a more fine-grained level.
The software can tell the OS, I have three major components (even though I singly-threaded) and they are each require such and such devices, and such and such memory, etc. and if anything looks out of these parameters I can give you, then call this MAGIC FUNCTION and I'll give it a good whack to make it right again.
Or if such and such hardware device I needed fails, I can take corrective action. Maybe I start listening on network card eth1 when before I was listening to eth0.
etc.
Actually, you can, provided you use a high-enough ordered FIR filter. But the problem you run into is that the filter may be ill-conditioned, and the wrong kind of quisecence could send it into drive... which is bad.
This can be helped by using an IIR filter, but that is harder to set up from the room response, and you may have to use shortcuts that while not optimal, will sound okay.
The thing that isn't recoverable isn't time smearing, it's the non-linear response of the echos off the imperfectly-elastic walls of the chamber. Fortunately it's only slightly off. So you make a best linear-filtering attempt. Time-smearing and spectrum coloring are both linear processes. The physics involved isn't.
You can get uber-FLAT frequency-response condenser and uni-directional mics for $300 or less, retail.
We used $250 dollar mics to do acoustic triangulation, which is very sensitive to input characteristics, and we didn't need anything special. So those types of input devices would be well suited for setting up a DSP and tuning room response.
The more expensive ones are meticulously designed to color the sound slightly to complement the human voice, hence the high prices.
BTW, even hand-made infrasound microphones (used to detect unmanned drones) only cost about $2000 a pop.
woohoo, they were fun (we've since moved away...)
^_^
A website that tells kids the truth about sex. I'm not talking about planned parenthood here.
It's like "the talk" but done in the style of Fred Durst telling you HOW IT IS.
STDs, how to protect yourself, and what it means when you hear "It's not you, it's me".
That kinda stuff.
The "How to avoid roofies at parties" guide for girls. Etc.
Secretly it's funded by Playboy, NIH, and the Ad Council. Finally, personals for teens. To help out all those lonely geeks in high school.
I guess the worst part was that he was hosting a chat. Talk about a grab for attention.
::shrugs::
I mean, on the one hand it's cool to try to educate people on things concerning security. But he doesn't need to pimp himself with the credentials. People who read USAToday will pretty much believe anyone tells them... forwarded emails, you know ^_^
Smells like he's fishin' for gullable clients. Then again, maybe he's just bored.
I had the same feeling, it was a particular feeling in the back of my throat; of course I didn't know why I felt turned off by the article.
I guess it seems kind of hokey. The guys who KNOW security tend to not be so outward about it.
Gotta compare IE vs. Moz. I suspect they'll both look decent.
Thanks!
$ setfacl -h ... ... ... ...
usage:
setfacl [-r] -f aclfile file
setfacl [-r] -d acl_entries file
setfacl [-r] -m acl_entries file
setfacl [-r] -s acl_entries file
Also available for linux
Vomit comit for the physical thrill, and space-planes to look down upon the earth like some sort of uber-god. Tourists won't miss out...
You can do it, it's just I think duplicating the space shuttle or repurposing it is silly.
Why would you want to pay to sit in low-earth orbit for (any) period of time?
We need:
1) High-altitude high-speed space/planes to make the 3 hour trip from Chicago O'hare to Tokyo
or
2) Some sort of destination for the space trip, ala the moon.
If it's weightlessness you want, I'm sure you can buy a vomit comit for much less than funding your own rocket program.
Now, if your enterprise is purely geared towards privatizing small-scale space work, and gaining a foothold in that area, then I have to applaud that. If we're going to have an inter-sol-system trucking company we've gotta have pioneers. ^_^
He (the article author) underestimates the scientific mind and determinism of some programmers.
::shrugs::
Many of the best programmers I know are wont to draw up proofs and diagrams on paper before sitting down to code. Then as they evolve their code they do tests, draw more conclusions, and figure out what needs to change next.
If they went as far as to document that whole cycle, they would be 80% of the way to a research paper.
It's an art, but so is writing elegant, easy-to-understand proofs. It's an art, as much as designing a new car is to engineers.
It's going to need to make money. It can't get all philosophical without hurting too many people's feelings. OTH Americans like violence (especially when its inflicted on something that doesn't look like us).
Hell, it was daring of them to make the people into food. The plugs on the guys heads/hands in the first movie made my dad so nauseous he left the theatre.
Hungry for $4.00 popcorn? I can think of something nice to gaze at while you munch. Just get out there already, I'd feel sorry for Reeves if you didn't.
I mean, he likes pot! That's cool -- big ups to my man!
fieldset, legend tags are used to do it. Funny thing is I'd never heard of them in my life.
Apparently they're used to do form meta-layout, as a hint to non graphical browsers, or a browser with a special form handler.
Apparently they don't get played around with much, (d'Oh!)
Christ almighty. Say a bunch of stuff we already know, claim you're the head of Nintendo, and get modded up.
Please check the history before modding up, especially if you don't know what the fuck he's talking about.
SAMIR IS A TROLL.
YHL HAND
Oh, and ignore the fact that we contribute very little energy above and beyond THE SUN in higher energy bands, where you should be worried about your health.
BTW the total emf measured in free space near metropolitan areas is less than 1 mG, well below the accepted safe limit. In our datacenter, next to a PDU, it was 3 mG. It had a remarkably high proportion of energy at 60Hz, which caused monitors to wiggle, which is why we investigated. So to compensate we set all monitors at 60Hz.
Not in any way remarkable. You can get a higher exposure by sitting your ass on a copy machine. Got cancer yet, slashdot?
Bluetooth chipsets are currently not stable enough to guarantee sub 20ms delivery consistently. A jitter or latency that bad kind of sucks for interactive use, esp. for playing music.
Moreover, the presence of other bluetooth or 802.11 devices could mess it up. As they become more commonplace, you have to consider whether you want to add latency sensitive devices to the mix until QoS is part of the protocol (or at least enforced in the driver).