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Measuring Quality in Online Text

As the social web grows and people become increasingly socially aware, news sites are becoming ever larger discussion communities where users can address and comment on common issues spurred by the news articles. One of the key features promoting the success of these online communities, is the large-scale user-engagement seen in the forms of rating, [...]

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Network-inspired solutions to resource management

I recently had the opportunity to make use of a service called Car2Go in Vienna. This prompted some thoughts on ways that getting inspiration from certain network-architectures may be very useful in everyday life. Car2Go is basically a short-term car-rental service launched by Daimler in 2011. Users sign up for a lifetime membership and get access [...]

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Individual and Collective Identity on Social Networks

I’ve recently become fascinated with the concept of identity and the use of online social-networks to express ourselves. Social networks allows a certain range of interactions to occur, while at the same time, it constrains other interactions. Various social networks do things differently and thus communication leads to different results. Instagram for examples functions mainly [...]

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The War Over Citation Counts

There exists an ever lasting war of opinions in the academic community of how the impact of papers, the prestige of journals and conferences, and the prominence of university departments should be measured. The centre of this conflict, the battleground that is heavily fought over, surrounds the question of what exactly citations of academic papers [...]

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How to model Natural Language

I have always been fascinated by language. A human language (also called a natural language) is a complex, highly-sophisticated system that allows us to express thoughts and to communicate with one other. A language is build up out of words, phrases and sentences that speakers of the language attach meanings to. The vocabulary of a [...]

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A 46.8% positive introduction to Sentiment Analysis

Few Natural Language Processing (NLP) tools are touted as “blatantly useful” as often as sentiment analysis. Companies want to know why their products are bad, and they want to know it automatically. Past Some of the first automatic sentiment classification experiments used film reviews as data. You have the actual text, and you have the [...]

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About: Wikipedia's structure and how it is used in research

Wikipedia is an amazing resource of information for readers, people that quickly want to check facts and sometimes also the last resort to settle a heated debate about some topic. Recently, Wikipedia has also gained attention to researchers that recognized Wikipedia’s unique structure and scale as a great tool for research and experiments. Wikipedia’s structure [...]

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About: Wikipedia’s structure and how it is used in research

Wikipedia is an amazing resource of information for readers, people that quickly want to check facts and sometimes also the last resort to settle a heated debate about some topic. Recently, Wikipedia has also gained attention to researchers that recognized Wikipedia’s unique structure and scale as a great tool for research and experiments. Wikipedia’s structure [...]

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I hate 20% projects

Actually I don’t — I love them. Bazinga. I’ll try to explain why in a three-minute read. For the uninitiated, 20% projects are things that happen in 20% time. No kidding. For all practical purposes these terms are interchangeable and pretty boring. The concept however is, as I said, pretty amazing. Made famous by Google, [...]

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String similarity measures for cheese

We want to know how “close” words are to other words. A similarity measure is a function that gives a score to two words (or more generally, character strings). For example, we want the distance between “ppl” and “people” to be low, but the distance between “ppl” and “cheese” to be far. In an automated [...]

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