PSNC seminar: lecture by Prof. Kang Zhang

2019-10-24

PSNC seminar: lecture by Prof. Kang Zhang

​”Visualizing Big Hierarchical Data with CabinetTee” is the title of the lecture, which Prof. Kang Zhang will present during the PSNC seminar, presenting the latest works on the approach to visualization of large hierarchical data (published recently in the Journal of Big Data).

Hierarchical data could essentially be represented as a tree structure and be visualized as a tree. The traditional Treemaps are the most popular among many tree visualization approaches. Most tree visualization approaches, however, have been focused on layout algorithms and paid little attention to other display properties and interactions. Furthermore, the structural information in conventional Treemaps is too implicit for viewers to perceive. This talk will present our recent work on Cabinet Tree, an approach for visualizing big hierarchical data (recently published in Journal of Big Data at http://www.journalofbigdata.com/content/pdf/s40537-015-0022-3.pdf). Cabinet Tree draws branches explicitly to show relational structures, uses a space-optimized layout to maximize space utilization, and adopts coloring and labeling strategies to clearly reveal patterns and contrast different attributes intuitively. Our quantitative evaluations demonstrate that Cabinet Tree achieves good scalability for increased resolutions and big datasets. A usability evaluation in comparison with other approaches also confirms the effectiveness of Cabinet Tree in visualizing hierarchical overview and user exploration. Other projects will also be briefly mentioned.

Short Biography:
Kang Zhang is Professor and Director of Visual Computing Lab, Department of Computer Science, and Professor of Arts and Technology, at the University of Texas at Dallas. He is currently a Fulbright Distinguished Chair visiting Charles University. Zhang received his B.Eng. in Computer Engineering from University of Electronic Science and Technology of China in 1982, Ph.D. from the University of Brighton, UK, in 1990, and Executive MBA from the University of Texas at Dallas in 2011. Prior to joining UT-Dallas, he held academic positions in the UK, Australia, and China. Zhang’s current research interests include generative art, visual languages, aesthetic computing, and software engineering; and has published 7 books, and over 240 papers in these areas. He is an ACM Distinguished Speaker and on the Editorial Boards of Journal of Big Data, The Visual Computer, Journal of Visual Languages and Computing, International Journal of Software Engineering and Knowledge Engineering, and International Journal of Advanced Intelligence. His home page is at: utd.edu/~kzhang.

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  • The image displays a group of approximately 20 adults, standing on a lush green lawn in front of a modern building with large windows. The individuals are casually dressed, with most facing the camera and some engaged in conversations, suggesting a relaxed professional gathering. In the top left corner, a logo of PCSS is visible, indicating the affiliation of the location.

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  • This photograph captures a large group of people, many dressed in historical or elaborate costumes, gathered outdoors in front of a classical building. A red carpet is laid out in the foreground where some individuals are seated, while others stand behind them. The costumes vary, including formal gowns, military-style uniforms, and traditional attire, suggesting a historical reenactment, themed event, or performance. A blue banner with a white logo of PCSS is visible at the bottom of the image.

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    2025-05-27

    On 24 May 2025, the Institute of Bioorganic Chemistry PAS along with the affiliated Poznań Supercomputing and Networking Center organized a special picnic commemorating General Dezydery Chłapowski’s birthday. It was an integration event for ICHB PAS/PSNC employees and the local community of Turew, which hosted the weekend meeting. The heart of the picnic was the 18th-century manor house that used to be a property of the Chłapowski family and now belongs to ICHB PAS. The event was organized as a part of the “Organic Work – The Heritage of Wielkopolska Inhabitants” program. Part of the funds for the picnic was provided by the governing body of the Wielkopolska Region.

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    2024-04-19

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  • The image is split into two distinct areas, a light blue illustration on the left and a solid blue text block on the right. The left side depicts a cartoon woman with orange hair standing next to a partially open blue cabinet filled with electronic equipment and wires. She gestures towards the cabinet with her right hand, as if presenting or explaining its contents. In the upper left corner, a red and blue shield-shaped logo with the letters "4S" and circuit board imagery is visible. The right side features the white text "Join the Parallel Quest! Play Online" vertically stacked, along with the "PCSS" logo at the top.

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    Would you like to experience quantum technologies? Just join our adventure and you will! PSNC specialists who participate in the Superheroes 4 Science project created a very special game which combines science and fun! The game is called “Parallel Quest” and it guides its players through the mysteries of supercomputers and parallel programming. Surprisingly enough, that quest is available both as a traditional board game and an online entity which pops up in your regular browser.

  • The image shows a presentation or meeting related to the KMD4EOSC Project. Norbert Meyer, dressed in a suit, is speaking at a podium on the left side of the frame, with a screen behind him displaying the "Poznańskie Centrum Superkomputerowo Sieciowe" (Poznań Supercomputing and Networking Center) logo. The right side of the screen is blue with text that reads "The First Meeting of the KMD4EOSC Project," along with "#Fundus" repeated twice and what appears to be "Czas realizacji" (Implementation time) and "Numer wniosku" (Application number) at the top. The bottom of the image features logos for "Fundusze Europejskie dla Nowoczesnej Gospodarki" (European Funds for a Modern Economy), "Rzeczpospolita Polska" (Republic of Poland), and "Dofinansowane przez Unię Europejską" (Co-financed by the European Union), indicating European Union funding.

    The First Meeting of the KMD4EOSC Project

    2025-05-21

    On 14 and 15 May 2025 PSNC headquarters hosted the first meeting of the KMD4EOSC project, which translates as “universal infrastructure for data storage and sharing and efficient processing of large volumes of data in HPC, BigData and artificial intelligence models”.

  • Aviation investment in Kąkolewo

    Aviation investment in Kąkolewo

    2024-04-12

    The construction of the hangar with laboratory and research facilities and its equipment is carried out as part of the "AEROSFERA" project. “The airport of things”. The main objective of the project is to provide Kąkolewo Airport with scientific and research infrastructure for conducting research and development work in the fields of air transport, utility operations, logistics, monitoring, surveillance and neutralisation of incidents and disasters.