2nd SemaGrow Hackathon


SemaGrowThe 2nd SemaGrow Hackathon took place between 4-7/7/2014 at the premises of the Institute of Informatics and Telecommunications of NCSR Demokritos in Athens, Greece. It was organized by Agro-Know, as a partner of the SemaGrow project and collocated with the International Research-Centered Summer School in Cognitive Systems and Interactive Robotics, Data and Content Analysis (IRSS 2014), a fact that allowed the participation of a high number of people with technical background and skills. It was attended by about 40 people from various countries all over the world. You can find information about the 2nd SemaGrow Hackathon here.


The 1st day of the Hackathon (Friday, 4/7/2014) was an Introductory Course, which aimed to provide the necessary background to the Hackathon participants. In this direction, it consisted of a number of introductory presentations on

It also consisted of a number of hands-on sessions in the evening. You can find all presentations from the 1st day of the event here.




The 2nd day of the Hackathon (Saturday, 5/7/2014) included an introduction by Giannis Stoitsis, Agro-Know COO and a brain-storming session titled “Data+Need=Hack” by Nikos Manolis (Agro-Know), which provided the context into which the Hackathon would take place. After that, it was time for hacking in groups. The participants were encouraged to use the tools, methodologies and data sources / datasets proposed and provided by the SemaGrow and agINFRA projects, such as the SemaGrow SPARQL endpoint, FAO Data & AGRIS Data, CIARD RING, AGROVOC, Agrotagger, etc., but not limited to them.



The hacking continued during Sunday 6/7/2014 and early Monday 7/7. The Hackathon ended on 7/7/2014, with the finalization of the hacks, their presentation and evaluation (based on predefined criteria) by a panel of experts which consisted by the following:


The committee selected the team No 4, consisting of Franziska Kirstein, Effrosyni Mavroudi & Nikolaos Zoulis, and their concept titled “FarmLearning- A Knowledge Network” for the  500 euro prize. The team has used the following tools in their Hack:


  • GLN API to extract URLs of websites related to keyword entered by users
  • Agrotagger to extract keywords from URLs returned by GLNApi or from user-specified URLs
  • AGRIS (performed SPARQL queries using Apache Jena Framework) to get bibliographic references related to extracted keywords
  • DBpedia (performed SPARQL queries using Apache Jena Framework to get scientific name of keyword-plant (binomial or genus)
  • GBIF API to get usageKey of plant using previously inferred scientific name
  • GBIF Maps using usageKey

Congratulations to the winning team!



You can find photos from the event here.

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