The #ISE2025 lecture is over. Today our students will write the final exam. FIngers crossed. Meanwhile - as our favorite coffee place is on vacation - Cappuccino and Zupfkuchen (highly recommended) together with the @fizise TA team at Intro Café :)

#coffeechallenge #lecture #academiclife @sourisnumerique @enorouzi @GenAsefa @fiz_karlsruhe @KIT_Karlsruhe

In our last #ISE2025 lecture last week, we were discussing what makes a node "important" in a knowledge graph. A simple heuristics can be borrowed from graph theory or communication theory: Degree Centrality

Interestingly, in Wikidata In-degree centrality states Jane Austen to be to most "important" female author, while Out-degree centrality claims J.K. Rowling as being more "important" ;-)

#knowledgegraphs #semanticweb #graphtheory #feminism #eyeofthebeholder @sourisnumerique @enorouzi

One of our final topics in the #ISE2025 lecture were Knowledge Graph Embeddings. How to vectorise KG structures while preserving their inherent semantics?

#AI #KGE #knowledgegraphs #embeddings #semanticweb #lecture @fizise @tabea @sourisnumerique @enorouzi @fiz_karlsruhe

This week's ISE 2025 lecture was focussed on artificial neural networks. In particular, we were discussing how to get rid of manual feature engineering and doing representation learning from raw data with convolutional neural networks.

#AI #ArtificialNeuralNetworks #cnn #deeplearning #machinelearning #ise2025 @fizise @fiz_karlsruhe @sarahjamielewis @enorouzi

In the ISE2025 lecture today, our students learned about unsupervised learning on the example of k-Means clustering. One nice hands-on example is image colour reduction based on k-means clustering, as demonstrated in a colab notebook (based on the Python DataScience Handbook by Vanderplus)

colab notebook: https://colab.research.google.com/drive/1lhdq2pynuwJKoXbspydECuWcPRw3-xxn?usp=sharing
Python DataScience Handbook: https://archive.org/details/python-data-science-handbook.pdf/mode/2up

#ise2025 #lecture @fizise @sourisnumerique @enorouzi #datascience #machinelearning #AI @KIT_Karlsruhe

Tomorrow, we will dive deeper into ontologies with OWL, the Web Ontology Language. However, I'm doing OWL-lectures now for almost 20 years - and OWL as well as the lecture haven't changed much. So, I'm afraid I'm going to surprise/dissapoint the students tomorrow, when I will switch off the presentation and start improvising a random OWL ontology with them on the blackboard ;-)

#ise2025 #OWL #semanticweb #semweb #RDF #knowledgegraphs @fiz_karlsruhe @fizise @tabea @sourisnumerique @enorouzi