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4.4 Quality, not quantity

4.4.1 Ranking

It is common for a web search to return hundreds, or even millions, of hits; certainly too many to check. But uncannily, the first few hits often contain just what you were looking for. How do search engines manage this seemingly miraculous feat?

The answer lies in techniques used to rank pages so that the 'best' are first. Each search engine uses different tec
Author(s): The Open University

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Finite Element Analysis
Formula 1 is the ultimate motor sport. It demands the highest level of skill from both drivers and the engineers behind the cars. So what are the secrets of good car design? How are Formula One cars engineered for maximum performance? This album takes a behind the scenes look at Red Bull Racing, a front-runner on the F1 grid. Using thrilling archive and expert testimony, the tracks explore how the techniques of Finite Element Analysis are used to optimize the performance of different elements of
Author(s): The iTunes U team

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Introduction

What value does art have in the school curriculum? This unit, primarily aimed at colleagues teaching art in schools, explores the justification for including art in the school curriculum together with some of the current criticisms commonly heard.


Author(s): The Open University

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4.341 Introduction to Photography and Related Media (MIT)
This course provides practical instruction in the fundamentals of analog and digital SLR and medium/large format camera operation, film exposure and development, black and white darkroom techniques, digital imaging, and studio lighting. This semester we will explore the MIT Department of Brain and Cognitive Sciences for our theme- and site-specific term project, which provides opportunities to develop technical skills and experimental photographic techniques, and for personal artistic exploratio
Author(s): Rabitaille, Reilly,Shirazi, Sadia,Phillips, Adele,

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How Universal is Liberalism?
Professor Ronald Dworkin, New York University, delivers the 2012 Ralf Dahrendorf Memorial Lecture, with response from Professor Sir Adam Roberts, President of the British Academy.
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Market Pulse: Has the euro Emperor found some clothes?
Sept. 12 - Europe in the green, thanks to the judges in red. Germany's top court approves Berlin's role in the euro zone rescue fund, pushing the euro up to a 4-mth high above $1.29.
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Keep on learning

Study another free course

There are more than 800 courses on OpenLearn for you to choose from on a range of subjects. 

Find out more
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References

Abram, J. (2001) The Contribution of the Product Definition Process to a Successful High Volume Software Application, unpublished MSc dissertation, Milton Keynes, The Open University, p. 48.
Andriole, S.J. and Freeman, P.A. (1993) ‘Software systems engineering: the case for a new discipline’, Software Engineering Journal, vol. 8, no. 3, pp. 165–79. Reprinted in Dorfman and Thayer (1997), pp. 29–4
Author(s): The Open University

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The End of Methodology - Towards New Integration
The present paper is devoted to the deliberation on the genesis and development of designing from the point of view of the potential use of computers in the process. Moreover, it also presents the great hopes which were connected with the use of the systematic designing methods in the 1960?s, as well as the great disappointment resulting from the lack of concrete results. At this time a great deal of attention was paid to the process of design as a branch of a wider process of problem-solving. M
Author(s): Aleksander Asanowicz

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Rights not set

The pensions timebomb
Over the last three decades major events, scandals and regulations have shocked the pension system. Have the public lost faith in occupational and private pensions? Should the state pension be enough to see us through our old age? And with the non-working to working ratio continuing to rapidly increase, who will pay? We hear from those that were directly affected by the scandals of the 90's and the collapse in private pensions since - and from the experts whose job it is to help us make provisi
Author(s): The iTunes U team

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4.8 Summary

In this section we have introduced you to the PROMPT checklist as a useful tool for assessing the quality of any piece of information. If you use it regularly you will find that you develop the ability to scan information quickly and identify strengths and weaknesses.


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Introduction

This course is designed to develop the analytical skills you need for a more in-depth study of literary texts. You will learn about rhythm, alliteration, rhyme, poetic inversion, voice and line lengths and endings. You will examine poems that do not rhyme and learn how to compare and contrast poetry.

This OpenLearn course provides a sample of Level 2 study in Author(s): The Open University

Conclusion

This free course provided an introduction to studying Environment & Development. It took you through a series of exercises designed to develop your approach to study and learning at a distance, and helped to improve your confidence as an independent learner.


Author(s): The Open University

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3.3.4 Examining the parts

Brittle fractures were discovered quickly in the mass of debris hauled from the river. Such samples became the focus of increasing effort as time went by, simply because they were unexpected. So the possible failure mechanisms were immediately narrowed down when brittle fractures of critical components started to emerge from the river.

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Protecting Children in War and Conflict: European and global implications for child rights [Audio]
Speaker(s): Helle Thorning-Schmidt | Children suffered immeasurably in war and conflict in 20th century Europe, an experience which forged the modern child rights movement and organisations like Save the Children. Now, many children facing similar horror are fleeing to Europe from conflict zones in the Middle East, Africa and Asia. The harm done to these children, and how we respond to try and protect them, could come to define the future of global child rights as we know it. CEO of Save the Chi
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5.6 Land and water pollution

In this section we will just take a couple of examples that show how easy it is to expose ourselves to long-term damage inadvertently. Pesticides, developed to control insects and other vermin, can increase agricultural productivity. Although pesticides were originally hailed as one of the wonders of modern technology, it was quite quickly discovered that there was a downside to their widespread use. One problem was that of bioaccumulation. Pesticides tended to be stable chemicals and
Author(s): The Open University

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10 User research techniques: observing users

This section introduces an alternative to basing user research on yourself. This is observation of experienced and inexperienced users either in experimental or natural situations.

One way around the difficulties of basing research on oneself is to observe other people acting as users and to choose naive or different kinds of experienced users, depending on what information you want to gather.

Begin by identifying those experienced users who will be able to provide you with releva
Author(s): The Open University

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Virtual Maths, Calculating the Volume of a Brick Demo
Interactive simulation, calculating the volume of a brick
Author(s): Leeds Metropolitan University

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Acknowledgements

This course was written by Dr Emma Barker.

This free course is an adapted extract from the course A207 From Enlightenment to Romanticism, which is currently out of presentation

Except for third party materials and otherwise stated (see terms and conditions), this content is made available under a Author(s): The Open University

4.493 Emergent Materials II (MIT)
This course will focus on providing students with the tools needed to practice responsible architecture in a contemporary context. It will familiarize students with the materials currently used in responsible practice, as well as the material properties most relevant to assembly. The course will also introduce students to materials that are untested but hold promise for future usage. Finally, the course will challenge students to refine their understanding of responsible or sustainable design pr
Author(s): Fernandez, John

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