angielski

The modern AI is based on deep neural network (DNN) models. These DNNs have found to be highly effective in across various tasks ranging from language generation, and understanding to computer vision. However, these models are considered as Blackbox in which, we do not know, how it process input data and how it generates the decision (predictions). This limitation have led to implication for safety and responsibility. In such regard, XAI are state of art technique that helps us to open such Blackbox of DNN models and understand (a) way model process data (b) what feature of data impact model decision (c) which layer of DNN play a significant role in model decision (d) contrafactual test which help to assess correlation in between input and output decision. 

Learn how Natural Language Processing can transform user review texts into insights using the Orange data mining platform through simple, visual workflows and real examples.

The ancient Egyptian hieroglyphic system emerged as a part of a long tradition of image use (graphic communication) in the Nile Valley. The images most often found on objects like pottery, cosmetique palettes, combs, knives etc were a functional part of these objects that themselves were pragmatic constituents of tombs and chapels. They fulfilled ritual purposes of communication between the divine and society and were only meaningful in their contexts.

This practical approach to images and decorated objects formed the background to the earliest writing and it is the most significant way in which it differs from the modern understanding of 'art'. Early writing by no means had a central role in society as it has today but it was just another element of expressing meaning in a graphic form. Its close relation to images was not only underlined by the fact that its signs show objects of the world but also that it appears in a complementary function to other images.

The presentation will show the relations between the hieroglyphic system and images and their pragmatic understanding in ancient Egyptian society.

The Tibetan language belongs to the Tibeto-Burman language group. Thanks to the Tibetan language, particularly the Classical Tibetan language, Tibetan Buddhism originated from India and is well preserved for more than a thousand years. Because of this language Buddhism spread all over the world for the benefit of all beings. The Modern Tibetan language and the Classical Tibetan language share more common values than differences and help each other to understand written documents, old and modern, deeper and better.

Tibetans traditionally categorize the Tibetan language into two groups. They are known by the name, written language (yig skad) and spoken language (ngag skad). It is one of the oldest languages with a script and writing system in the world. According to modern Tibetologists Tibetan language belongs to the Tibetic language group, utilized and spoken in Tibet proper and around the Himalayan regions. Based on the research findings of the Tibetan language, we can categorize it into three groups; Old Tibetan, Classical Tibetan, and Modern Tibetan. The Tibetan script we have now was invented more than a thousand years ago, in the middle of the 7th century. According to Tibetan history, a minister of the Tibetan imperial court, Thon mi Sambhota, was sent to India to learn the Indian language. Spending more than a decade in India he returned to Tibet and invented two kinds of scripts, Dcu chen and Dcu med. The script Dcu chen is mainly for printing documents and Dcu med script is for everyday usage, writing notes and letters.

There are different theories about the invention of the two Tibetan scripts. Most of the traditional Tibetan historians assert that the two Tibetan scripts were invented based on Lantsa [Ranjana] and Wartula Indian script. And some historians stated that it derived from the Indian Devanagari script. The modern Tibetan scholar Dge ’dun chos ’phel (1903-1951) believe that Dbu chen script is invented based on the Gupta script of India and Dbu med script is just a faster writing version of Dbu chen script, similar to many old archaic writings as well as Dzongkha writing of Bhutan nowadays. In some archaic documents we could find the combination of both scripts in a single syllable. Those archaic documents are called yig rnying (old writing). Except for minor stylistic differences between Tibetan archaic script and modern script, the basic structure of the script remained unchanged without evolution.

Is a modern city with its artificial lights, traffic and noise still a place to live for bats? We will try to see if it is so, equipped with electronic devices that allow us to hear sound normally not audible for human ears (and maybe also see things that are not visible for a naked eye). 

Zapraszamy na wyjątkowe popołudnie w ramach Festiwalu Nauki w Warszawie – spotkanie z laureatem Nagrody Nobla Barrym Barishem, pionierem odkrycia fal grawitacyjnych. W swoim wykładzie „Badanie niewidzialnego wszechświata” prof. Barish opowie, jak współczesna fizyka pozwala nam wsłuchiwać się w ciche szepty niewidzialnego kosmosu – od fal w czasoprzestrzeni po tajemnice ciemnej materii. 

Wystąpienie (ok. 20-30 min) będzie tłumaczone na język polski, a po nim odbędzie się moderowana dyskusja o najnowszych osiągnięciach współczesnej fizyki. Przewidujemy możliwość zadawania pytań przez publiczność. 

Dyskusję poprowadzi prof. Leszek Roszkowski, wybitny fizyk teoretyczny i światowej klasy ekspert w dziedzinie badań nad ciemną materią. Profesor jest założycielem Astrocent – Centrum Naukowo-Technologicznego Astrofizyki Cząstek, które niedawno uzyskało status Międzynarodowego Instytutu Astrofizyki Cząstek Polskiej Akademii Nauk.

Wyrusz w fascynującą podróż po niewidzialnym wszechświecie w towarzystwie laureata Nagrody Nobla!
 

Profesor Barry Barish (ur. 27 stycznia 1936 r. w Omaha w stanie Nebraska w USA) jest amerykańskim fizykiem, który otrzymał w 2017 r. Nagrodę Nobla w dziedzinie fizyki za rewolucyjne odkrycie fal grawitacyjnych oraz konstrukcję wykrywającego ich detektora LIGO. Nagrodę podzielił z amerykańskimi fizykami Rainerem Weissem i Kipem S. Thornem.

Profesor Leszek Roszkowski jest cenionym fizykiem teoretycznym, specjalizującym się w fizyce cząstek elementarnych, astrofizyce, kosmologii i ciemnej materii. Po latach pracy badawczej w CERN oraz na uniwersytetach w Stanach Zjednoczonych i Wielkiej Brytanii powrócił do Polski w 2011 roku. Od 2018 roku pełni funkcję dyrektora Astrocent – Centrum Naukowo-Technologicznego Astrofizyki Cząstek, które w 2026 roku zostało przekształcone w Międzynarodowy Instytut Astrofizyki Cząstek Polskiej Akademii Nauk (w skrócie: Instytut Astrocent).