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 [...]

Continue reading about balanced binary search trees exercise for algorithms and data structures class

René Pickhardt on November 27th, 2011

Archived; click post to view. Excerpt: In the end of September I discovered an amazing data set which is provided by Google! It is called the Google n gram data set. Even thogh the english wikipedia article about ngrams needs some clen up it explains nicely what an ngram is. http://en.wikipedia.org/wiki/N-gram The data set is [...]

Continue reading about Download Google n gram data set and neo4j source code for storing it

Archived; click post to view. Excerpt: UPDATE: the paper got accepted at SOCIALCOM2012 and the source code and data sets are online especially the source code of the graphity server software is now online! UPDATE II: Download the paper (11 Pages from Social Com 2012 with Co Authors: Thomas Gottron, Jonas Kunze, Ansgar Scherp and Steffen Staab) [...]

Continue reading about Graphity: An efficient Graph Model for Retrieving the Top-k News Feeds for users in social networks

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 [...]

Continue reading about 3 exercises for Sorting problems (Quicksort , Mergesort) in Algorithms and data structures class

René Pickhardt on November 13th, 2011

Archived; click post to view. Excerpt: Today I have figured out that you can download a lot of statistics about your on videos from Youtube. That is actually very nice since I was always sceptical that you miss the knowledge of who is watching your videos once you do not host them yourself. Unfortunately there are [...]

Continue reading about Download your open source Youtube insights statistics tool

René Pickhardt on November 10th, 2011

Archived; click post to view. Excerpt: After building the In legend Youtube DVD I was able to convince my band mates that it is quite useful to use Youtube ads in order to reach new fans and promote our new videos. I have to say that I am not very experienced about youtube ad marketing [...]

Continue reading about you should use Youtube promoted videos for your music band

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 [...]

Continue reading about My Blog guesses your name – Binary Search Exercise for Algorithms and data structures class

René Pickhardt on November 2nd, 2011

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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