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Category: Technology

In this category I file blog posts about technology. If it is about the Internet of Things, agile development, a framework, a method, a pattern, or everything els technology relevant, I will post it here.

My First Year as a part-time PhD Student

… A Journey into Multimedia Information Retrieval and the Metaverse Hello everyone! I can’t believe it’s already been a year since I embarked on my PhD journey. Time truly flies when you’re engrossed in research, and what a year it’s been! Today, I want to share with you some of the highlights, challenges, and learnings from my first year as a PhD student, focusing on my research project in Multimedia Information Retrieval (MMIR) and its intersection with the Metaverse. The Research Project: MMIR Meets the Metaverse When I started my PhD, I was fascinated by the untapped potential of Multimedia Information Retrieval. MMIR is all about searching and retrieving multimedia data like images, videos, and audio. But I wanted to take it a step further. I was intrigued by the burgeoning Metaverse—a collective virtual shared space created by the convergence of virtually enhanced physical reality and interactive digital spaces. The…

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Integration of Metaverse and Multimedia Information Retrieval

Diving into the vibrant intersection of the Metaverse and Multimedia Information Retrieval (MMIR), we uncover a fascinating journey that’s shaping the future of Metaverse integration with MMIR. Imagine stepping into a universe where the boundaries between physical and digital realities blur, creating an immersive world teeming with multimedia content. This is the Metaverse, a collective virtual space, built on the pillars of augmented and virtual reality technologies.

At the heart of integrating these worlds lies the challenge of efficiently indexing, retrieving, and making sense of a deluge of multimedia content—ranging from images, videos, to 3D models and beyond. Enter the realm of Multimedia Information Retrieval (MMIR), a sophisticated field dedicated to the art and science of finding and organizing multimedia data.

The research explored here, as my Ph.D. project, ventures into this nascent domain, proposing innovative frameworks for bridging the Metaverse with MMIR. Their work unveils two primary narratives: one, how we can leverage MMIR to navigate the vast expanses of the Metaverse, and two, how the Metaverse itself can generate new forms of multimedia for MMIR to organize and retrieve.

In the first scenario, imagine you’re an educator in the Metaverse, looking to build an interactive, virtual classroom. Through the integration of MMIR, you can seamlessly pull educational content—be it historical artifacts in 3D, immersive documentaries, or interactive simulations—right into your virtual space, enriching the learning experience like never before.

The second scenario flips the perspective, showcasing the Metaverse as a prolific generator of multimedia content. From virtual tours and events to user-generated content and beyond, every action and interaction within the Metaverse creates data ripe for MMIR’s picking. This opens up a new frontier for content creators and researchers alike, offering fresh avenues for creativity, analytics, and even virtual heritage preservation.

Navigating these possibilities, the research present sophisticated models and architectures, such as the Generic MMIR Integration Architecture for Metaverse Playout (GMIA4MP) and the Process Framework for Metaverse Recordings (PFMR). These frameworks lay the groundwork for seamless interaction between the Metaverse and MMIR systems, ensuring content is not only accessible but meaningful and contextual.

To bring these concepts to life, let’s visualize a diagram illustrating the flow from multimedia creation in the Metaverse, through its processing by MMIR systems, to its ultimate retrieval and utilization by end-users. This visualization underscores the cyclical nature of creation and discovery in this integrated ecosystem.

In essence, this research lights the path toward a future where the Metaverse and MMIR coalesce, creating a symbiotic relationship that enhances how we create, discover, and interact with multimedia content. It’s a journey not just of technological innovation, but of reimagining the very fabric of our digital experiences.

Let’s create an image to encapsulate this vibrant future: Picture a vast, sprawling virtual landscape, brimming with diverse multimedia content—3D models, videos, images, and interactive elements. Within this digital realm, avatars of researchers, educators, and creators move and interact, bringing to life a dynamic ecosystem where the exchange of multimedia content is fluid, intuitive, and boundlessly creative. This visualization, rooted in the essence of the research, will capture the imagination, inviting readers to envision the endless possibilities at the intersection of the Metaverse and MMIR.

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Neue Horizonte im E-Commerce: Wie KI die Spielregeln verändert


KI ist im E-Commerce ein alter Hut. Recommendations, Prognosen, Kundensegmentierung – die Use Cases gibt es schon ewig. Die neuen AI-Technologien sind dennoch ein Game-Changer und verändern den Digital Commerce, da bin ich sicher. Es gibt aber Unternehmen, die sind besser vorbereitet als andere und so wird sich schnell zeigen, wer die Möglichkeiten als Vorteil einsetzen kann – und wer nicht.

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256 Metaverse Records Dataset

The dataset was created to explore the use of meatverse virtual worlds and evlauate performance of feature exraction methods on Metaverse Recordings.

I’m thrilled to announce the availability of the 256-MetaverseRecords Dataset, a dataset for experiments with machine learning technology for metaverse recordings. This dataset represents a significant step forward in the exploration of the integration of virtual worlds in Multimedia Information Retrieval.

The dataset was created to explore the use of meatverse virtual worlds and evlauate performance of feature exraction methods on Metaverse Recordings. The dataset contains 256 video records of user sessions in virtual worlds, mostly based on screen recordings.

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Award Winning Graphical Abstract and Paper Presentation at IEEE MetroXRAINE 2023

Early in October, I contributed to the IEEE MetroXRAINE 2023 in Milano Italy. With my work, I presented the approach for my PhD research. The paper is titled “Towards the Integration of Metaverse and Multimedia Information Retrieval”. In a nutshell, integrating the metaverse with Multimedia Information Retrieval (MMIR) can be grouped into at least two cases: metaverse used MMIR and MMIR processes metaverse produced multimedia. However, my research concentrates on the integration of metaverse-produced content in MMIR. But more on this in another post. In the submission, I sent a graphical abstract, and hey, it was awarded!


IEEE MetroXRAINE is an interdisciplinary conference on the fields of metrology, Extended Reality, Artificial Intelligence, and Neural Engineering. I tried an EEG-based brain interface for a game. It is an awesome experience, and I’m excited to see more of this technology in the future. But for sure, I need to concentrate more on my research!

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Big Data Week & AWS User Group Bonn

In the past weeks, I experienced the speaker’s life. I was visiting the IBC in Amsterdam for a few days, presenting the company I’m working for. Early in October, I presented a talk about AI use cases in the Media Landscape at the Big Data Week in Bucharest, Romania. And last week, I gave a similar talk at home, for the AWS User Group in Bonn.

While talking about your thoughts, models and experiences is cool, the bigger stages still make me nervous—however, practice and experience (aka training) help a lot.

AI is a hot topic, not only generative AI, but more and more of the business in media and elsewhere is driven by data. Customer experiences are customized by AI, manual effort vanishes through AI, and even content is created by AI. In Multimedia research, we say “Multimedia is everywhere”, but I think we can state “AI is everywhere”.

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Talk zum tarent tech tuesday: Mit Dinos und Junior Teams erfolgreiche Softwareprodukte launchen

Im Rahmen unserer IT-Entscheider Community tarent tech tuesday habe ich einen Vortrag zum Thema “Kein Dream-Team, ein (lösbares) Problem” oder “Mit Dinos und Junior Teams erfolgreiche Softwareprodukte launchen”.

Steht Dein Team vor der Herausforderung, ein neues digitales Produkt zu entwickeln, aber es fehlt an Erfahrung oder Euer aktueller Softwarestack ist veraltet und die Entwickler kennen die neuen Methoden nicht? Entdecke in unserem nächsten ttt “Mit Junior- oder Dinosaurier-Teams erfolgreich launchen!”, wie Du trotz dieser Hürden erfolgreich bist. Lerne von Experten, wie Du diese Herausforderungen meisterst und ein leistungsstarkes Produkt auf den Markt bringst.

Die Aufzeichnung gibt es auf YouTube, die Unterlagen könnt ihr über mich bekommen, schreibt mir einfach eine Mail. Auch wenn ihr dazu noch fragen habt.

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Bucket List Achievement: My first scientific paper

I am beyond excited to share with you all a significant milestone in my academic journey: the publication of my first scientific paper in the MDPI Big Data and Cognitive Computing Magazine! As someone deeply passionate about the fields of computer science, this accomplishment is not only a testament to my dedication, but also a realization of a long-time goal. In this blog post, I’d like to share the story behind my research and the path that led to this achievement.

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No-Code, LowCode und die KI als Programmierer

This talk was recorded in German at our tarent tech conference in December last year.

Fachkräftemangel ist real! Warum also sind Softwareingenieure so oft mit stupiden Aufgaben betreut und entwickeln einen CRUD-Microservice nach dem anderen? In diesem Impulsvortrag gehe ich auf mögliche Auswege aus der Misere ein und bewerte diese aus Sicht der Kunden und Dienstleistern wie uns.

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