Quite a while ago I promised to create some screencasts on how to build a (personalized) Autocompletion in GWT. Even though the screencasts have been created for quite some time now I had to wait publishing them for various reasons. Finally it is now the time to go public with the first video. I do …
Month: February 2013
Slides of Related work application presented in the Graphdevroom at FOSDEM
Download the slidedeck of our talk at fosdem 2013 including all the resources that we pointed to. Most important other links are: source code slides from the talk data sets proposal cypher benchmark was great talking here and again we are open source, open data and so on. So if you have suggestions or want …
The start of the Linked Data benchmark council Eu FP7 Big Data pro
Peter who is working for Neo4j is an industry partner of the http://www.ldbc.eu/ which is a EU FP7 Project in the Big Data call. The goal of this project is to put out good methodologies for benchmarking linked open data and rdf stores as well as graph data bases. In this context the council should …
Davy Suvee on FluxGraph – Towareds a time aware graph built on Datomic
Davy really nicely introduced the problem of looking at a snapshot of a data base. This problem obviously exists for any data base technology. You have a lot of timestamped records but running a query as if you fired it a couple of month ago is always a difficult challange. With FluxGraph a solution to …
Frank Cellar introduces ArangoDB
Frank Cellar (https://twitter.com/fceller) introduces his ArangoDB which is basically a Document store (key, value) and uses a blueprint graph interface. Interestingly he is doing his demonstrations on the DBLP data set which is highly relevant for Heinrich and my related work project which we are introducing in our talk. ArangoDB has several APIs to interact …
Michael Hunger talks about High Availability of Neo4j built on Paxos in the GraphDevroom @ FOSDEM
As we know neo4j has a master slave replication with eventual consistency so there is not the typical ACID requirements. The way is ether wring the master which pushes to the slaves. But it is also possible to write to the slaves directly which is super save but much slower since syncronization between slaves is …