anatomy of a game winner
Tài liệu The Anatomy of a Large-Scale Hypertextual Web Search Engine ppt
... created maps containing as many as 518 million of these hyperlinks, a significant sample of the total. These maps allow rapid calculation of a web page’s "PageRank", an Of course a distributed ... a text-based search engine, such as images, programs, and databases. This makes it possible to return web pages which have not actually been crawled. Note that pages that have not been crawled can cause problems, ... several other extensions to PageRank, again see [Page 98]. Another intuitive justification is that a page can have a high PageRank if there are many pages that point to it, or if there are some...
Ngày tải lên: 24/01/2014, 20:20
Anatomy of a Health Scare: Education, Income and the MMR Controversy in the UK doc
... years of data. portion of lone parents, number of GPs, and average age of adults, has not been uniform across areas. 19 2.5 percentage points gap is only slightly larger than the estimated gap ... high and low educated parents. 21 IZA DP No. 3590 Anatomy of a Health Scare: Education, Income and the MMR Controversy in the UK Dan Anderberg Arnaud Chevalier Jonathan Wadsworth DISCUSSION PAPER ... area fixed effects control for any time-invariant differences across HAs associated with level differences in uptake rates. The variable z jt measures the fraction of adults of parenting age in area...
Ngày tải lên: 22/03/2014, 14:20
the broadband problem anatomy of a market failure and a policy dilemma
... services and real- time quality of service (QOS) guarantees. There are already a large number of Internet radio stations, websites that contain audio and video, and mil- lions of users of low-quality, ... Williams, and many others—raised large amounts of capital regardless of the sustainability of their business, technical, and competitive plans. These plans were in fact not sustainable, in part due ... settlement, a consent decree, and—as a result of the settlement—the 1984 breakup of AT&T. (Interestingly the AT&T case, arguably the most important and aggressive antitrust action in many decades,...
Ngày tải lên: 03/06/2014, 00:55
Anatomy of a Robot Part 5 ppt
... companies have probably written software that takes advantage of the special features of the computer. We can purchase this software and use it in various ways: ■ Freeware Often an author of software ... tech- nology available for our use. We gain time, dollars, and reliability by sharing and taking advantage of their effort. Because the technology has been made so readily available to others, many third-party ... image of a star as a ring or arc of light. Some nice examples of gravitational lenses can be found at www.iam.ubc.ca/ϳnewbury/lenses/glgallery.html. The web page at http://imagine.gsfc.nasa.gov/docs/features/news/07nov97.html...
Ngày tải lên: 10/08/2014, 01:22
Anatomy of a Robot Part 6 pot
... These hardware structures povide both increased accuracy and faster execution. Arithmetic We’ve seen that one of the central features of a DSP processor is the MAC, a hardware structure capable of ... numbers at the same time, a computer with many spare registers (termed general-purpose [GP] registers) can often execute the computations at a faster rate. To take advantage of this capability, we often ... speed). PCI has become an industry standard. Many board manufacturers and many chip manufacturers have adopted it. If the robot’s computer supports the PCI bus, many third-party boards will be available...
Ngày tải lên: 10/08/2014, 01:22
Anatomy of a Robot Part 7 doc
... recorded are more than sufficient to allow a proper read of the data. ■ Bad disk surface HDs also have a mechanism to avoid bad spots on the disk surface. A separate place exists in the HD surface ... will only address magnetic HD disks. An HD is basically a spinning disk of magnetic material that can contain bits on its surface. A read/write head glides over the surface and provides access to ... predict it, and how to achieve it. Certainly, many ways are available for accomplishing this, both scientific and seat of the pants. In this chapter, we’ll take a grand tour of both methods. Reliability...
Ngày tải lên: 10/08/2014, 01:22
Anatomy of a Robot Part 9 pps
... require 0.817 watt-hours of energy and the battery can contain 1.8 watt hours. We have a margin of about 2 to 1. That’s not too bad, hauling a robot the size of a 12-year-old boy up a long ladder with ... software. What advantages accrue to the design team? First of all, we will only need standard rechargeable batteries as sold in the store. We will not need special batteries that can communicate. ... quite an accurate way of gauging the amount of energy that will be required. It takes into account almost all the inefficiencies that can throw off an energy prediction that might be only calculated. 06_200256_CH06/Bergren...
Ngày tải lên: 10/08/2014, 01:22