Archived; click post to view. Excerpt: One of the reading club assignments was to read the paper about Google Pregel and Signal Collect, compare them and point out pros and cons of both approaches. So after I read both papers as well as Claudios overview on Pregel clones and took some notes here are my [...]
Archived; click post to view. Excerpt: Not really news since it has happened like 20 days ago but here is a nice youtube summary of President Obamas public Hangout with the American folk. Kind of amazing that he actually did this. I am really looking forward to the time where these kind of events are [...]
Continue reading about President Obama on Google+ talking to people
Archived; click post to view. Excerpt: The first meeting of our reading club was quite a success. Everyone was well prepared and we discussed some issues about Google’s Map Reduce framework and I had the feeling that everyone now better understands what is going on there. I will now post a summary of what has been [...]
Archived; click post to view. Excerpt: Update: find a summary of last meeting and the current reading list for next week’s meeting here. Teaching classes is over for this term so for the next couple of weeks I want to spend a lot of time working on some research topics that are on my mind. [...]
Continue reading about Reading club on Graph databases and distributed systems
Archived; click post to view. Excerpt: Today I started an experiment I created an excercise for coursework in algorithms and data structures that is very unusuale and many people have been criticle if this was a good idea. The idea behind the exercise is that studens should read wikipedia articles to topics related to lectures [...]
Continue reading about Algorithms exercise: Find mistakes in Wikipedia articles
Archived; click post to view. Excerpt: I created some exercises regarding binary search trees. This time there is no coding involved. My experience from teaching former classes is that many people have a hard time understanding why trees are usefull and what the dangers of these trees is. Therefor I have created some straight forward [...]
Archived; click post to view. Excerpt: I already said that my first research results have been submitted to SIGMOD conference to the social networks and graph databases track. Time to sum up the results and blog about them. you can find a demo of the system here I created a data model to make retrieval [...]
Archived; click post to view. Excerpt: #1: Sorting huge files Sorting big files might not be as simple as just implementing an sort algorithm. As soon as the file does not fit in memory any more smarter implementations have to be applied. One way is to sort the file on the hard disk. We remark [...]
Archived; click post to view. Excerpt: Binary Search http://en.wikipedia.org/wiki/Binary_search_algorithm is a very basic algorithm in computer science. Despite this fact it is also important to understand the fundamental principle behind it. Unfortunately the algorithm is tought so early and the algorithm is so simple that beginning students sometimes have a hard time to understand the [...]
Archived; click post to view. Excerpt: During the last month my blog was rather quite. I dicided that I was aiming to submit my first paper to a top conference with a deadline of november first. Well besides the fact that I almost forgot about the fact that I also have a private life – [...]
Continue reading about 11 lessons learnt after my first scientific paper was submitted
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