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mhausenblas

Chief Data Engineer EMEA @MapR #bigdata #hadoop #apachedrill
mhausenblas has written 25 posts for Web of Data

Why I luv JSON …

… because it’s simple, agnostic and an end-to-end solution. Wat? OK, let’s slow down a bit and go through the above keywords step by step. Simple Over 150 frameworks, libraries and tools directly support JSON in over 30 (!) languages. This might well be because the entire specification (incl. ToC, all the legal stuff and … Continue reading

Hosted NoSQL

I admit I dunno how I got here in the first place … ah, right, yesterday was Paddy’s day and I was sitting at home with a sick child. Now, I tinkered around a bit with a hosted CouchDB solution to store/query JSON output from a side-project of mine. Then I thought: where are we … Continue reading

Large-Scale Linked Data Processing: Cloud Computing to the Rescue?

At the upcoming 2nd International Conference on Cloud Computing and Services Science (CLOSER 2012) we – Robert Grossman, Andreas Harth, Philippe Cudré-Mauroux and myself – will present a paper with the title Large-Scale Linked Data Processing: Cloud Computing to the Rescue? and the following abstract: Processing large volumes of Linked Data requires sophisticated methods and … Continue reading

Synchronising dataspaces at scale

So, I have a question for you – how would you approach the following (engineering) problem? Imagine you have two dataspaces, a source dataspace, such as Eurostat with some 5000+ datasets that can take up to several GB in the worst case, and a target dataspace (for example, something like what we’re deploying in the … Continue reading

JSON, HTTP and data links

In late 2011, Mark Nottingham, whom I very much admire on a personal and professional level, posted ‘Linking in JSON‘ which triggered quite some discussion (see the comments there). Back then already I sensed that the community at large is ready for the next aspect of the Web. A scalable, machine-targeted way to realise a … Continue reading

Open Data – a virtual natural resource

A virtual natural resource? Doesn’t make sense, does it? Let me explain. Natural resources are derived from the environment. Many of them are essential for our survival while others are used for satisfying our wants. … is with Wikipedia says about natural resources. Now, some 150 years ago a handful of people saw the potential … Continue reading

… you end up with a graph

Quite often I hear people coming up with rather strange explanations why we use graphs, or to be more specific for the Web case, RDF. Some think that the reason is to make the developer’s life harder. Right. It’s so much easier to understand a key-value structure. And there are the ones who claim that … Continue reading

Libraries – an important and vibrant Linked Data application domain

In late 2009 I was contacted by Tom Baker, Emmanuelle Bermes and Antoine Isaac to help fund the Library Linked Data Incubator Group (XG) at W3C and although I personally didn’t actively contribute (more a hurler-on-the-ditch like commenting, really) I am really, really happy with the outcome. To be fair, DERI was very active after … Continue reading

JSON, data and the REST

Tomorrow, on 8.8. is the International JSON day. Why? Because I say so! Is there a better way to say ‘thank you’ to a person who gave us so much – yeah, I’m talking about Doug Crockford – and to acknowledge how handy, useful and cool the piece of technology is, this person ‘discovered‘? From … Continue reading

Towards Networked Data

This is the second post in the solving-tomorrow’s-problems-with-yesterday’s-tools series. In his seminal article If You Have Too Much Data, then “Good Enough” Is Good Enough Pat calls for a ‘new theory for data’ – I’d like to call this: networked data (meaning: consuming and manipulating distributed data on a Web-scale). In this post, now, I’m … Continue reading

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