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Data Skeptic

Latest episodes

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14 snips
Jan 15, 2025 • 38min

Optimizing Supply Chains with GNN

Thibaut Vidal, a professor at Polytechnique Montreal, specializes in using advanced algorithms and machine learning for supply chain optimization. He discusses how graph-based methods can revolutionize logistics by improving routing and decision-making. The conversation highlights the effectiveness of Graph Neural Networks in predicting delivery costs for companies like UPS and Amazon. Thibaut also emphasizes the potential of these advanced techniques to cut costs, enhance efficiency, and create better working conditions through smarter route planning.
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15 snips
Jan 10, 2025 • 48min

The Mystery Behind Large Graphs

David Tench, a Grace Hopper postdoctoral fellow at Lawrence Berkeley National Labs, specializes in scalable graph algorithms. He discusses how his techniques enable real-time analysis of massive datasets while reducing storage needs. David challenges the idea that large graphs are typically sparse, suggesting a potential bias in data analysis processes. He emphasizes the importance of context in network analysis and introduces innovative approaches like CubeSketch and Graph Zeppelin to enhance computation efficiency in handling complex graphs.
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Dec 16, 2024 • 38min

Customizing a Graph Solution

Dave Bechberger, Principal Graph Architect at AWS and author of "Graph Databases in Action," shares his expertise on graph databases. He highlights their unique applications in fraud detection and the importance of analyzing complex networks. The discussion covers key algorithms like PageRank and community detection, offering insights into when organizations should transition from relational databases to graph solutions. Dave also addresses the challenges of skill shortages in the graph database field and shares practical strategies for successful implementation.
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Dec 9, 2024 • 33min

Graph Transformations

Adam Machowczyk, a PhD student at the University of Leicester, specializes in graph rewriting and machine learning. He reveals how graph rewriting can enhance model adaptability, particularly in guiding machine learning for complex tasks. Topics include the transformation of graph structures for improved recommendations in social networks and its applications in chemistry and IoT analysis. Adam illustrates the shift from traditional data representation to dynamic graph systems, showcasing real-world implications and the future of scalable adaptive models.
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6 snips
Nov 25, 2024 • 37min

Networks for AB Testing

Wentao Su, a data scientist at ByteDance, specializes in A/B testing for social media platforms. He dives into the challenges of A/B testing in dynamic networks, highlighting the spillover effects that can distort results. Wentao introduces innovative strategies like one-degree label propagation to optimize test accuracy. He also explores how user interconnectedness impacts both experimental design and user experience. Finally, he discusses the significance of robust data processing techniques to effectively manage large-scale experiments.
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Nov 18, 2024 • 38min

Lessons from eGamer Networks

In this engaging discussion, Alex Bisberg, a PhD candidate at USC, dives into the fascinating world of network science and game analytics. He unveils how generosity spreads like a contagious virus within gaming communities and reveals the power of weak ties in fostering new connections. Bisberg explores the innovative use of candles as a unique in-game currency promoting collaborative play. Listeners will discover insights on social mechanics in games like 'Sky Children of the Light' and how these dynamics can enhance player engagement and retention.
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7 snips
Nov 11, 2024 • 42min

Github Collaboration Network

Behnaz Moradi-Jamei, an assistant professor at James Madison University specializing in network data science, delves into the intricate web of GitHub contributors. She unveils her groundbreaking analysis of a sprawling network connecting 700,000 developers through shared contributions. The conversation touches on community detection algorithms, ethical considerations in network analysis, and innovative methodologies for enhancing collaboration insights. Behnaz emphasizes the importance of adapting algorithms to reflect real-world developer interactions, pushing the boundaries of open-source community understanding.
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Nov 4, 2024 • 42min

Graphs and ML for Robotics

Join Abhishek Paudel, a PhD Student at George Mason University specializing in robotics and machine learning. He shares fascinating insights into how graph neural networks can classify rooms and enhance robotic navigation. Explore the evolution of machine learning in robotics, and the impact of deep learning on perception and motion control. Abhishek discusses the integration of natural language processing and innovative graph-based methods for decision-making, highlighting their role in improving spatial awareness and learning from mistakes.
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Oct 29, 2024 • 52min

Graphs for HPC and LLMs

Maciej Besta, a senior researcher at the Scalable Parallel Computing Lab, discusses the cutting-edge intersection of graph theory and high-performance computing. He explores how graph structures enhance large language models through APIs and hypergraphs. The conversation covers challenges in graph databases, the LPG2Vec encoder for data embedding, and advancements in prompt engineering to optimize problem-solving capabilities. Besta also dives into methodologies like chain of thought and the complexities of graph theory in developing efficient language models.
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12 snips
Oct 21, 2024 • 36min

Graph Databases and AI

Yuanyuan Tian, Principal Scientist Manager at Microsoft Gray Systems Lab, dives into the world of graph databases and their applications. She discusses overcoming the hurdles small enterprises face in adopting this technology and the importance of the GQL project for standardization. The conversation highlights how graph databases enhance fraud detection in finance, optimize supply chains, and improve healthcare analytics. Yuanyuan also explains the role of large language models and specialized query languages in making these powerful databases more accessible.

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