24 research outputs found
Explainable Artificial Intelligence (XAI) 2.0: A Manifesto of Open Challenges and Interdisciplinary Research Directions
As systems based on opaque Artificial Intelligence (AI) continue to flourish
in diverse real-world applications, understanding these black box models has
become paramount. In response, Explainable AI (XAI) has emerged as a field of
research with practical and ethical benefits across various domains. This paper
not only highlights the advancements in XAI and its application in real-world
scenarios but also addresses the ongoing challenges within XAI, emphasizing the
need for broader perspectives and collaborative efforts. We bring together
experts from diverse fields to identify open problems, striving to synchronize
research agendas and accelerate XAI in practical applications. By fostering
collaborative discussion and interdisciplinary cooperation, we aim to propel
XAI forward, contributing to its continued success. Our goal is to put forward
a comprehensive proposal for advancing XAI. To achieve this goal, we present a
manifesto of 27 open problems categorized into nine categories. These
challenges encapsulate the complexities and nuances of XAI and offer a road map
for future research. For each problem, we provide promising research directions
in the hope of harnessing the collective intelligence of interested
stakeholders
Explainable Artificial Intelligence (XAI) 2.0: a manifesto of open challenges and interdisciplinary research directions
Understanding black box models has become paramount as systems based on opaque Artificial Intelligence (AI) continue to flourish in diverse real-world applications. In response, Explainable AI (XAI) has emerged as a field of research with practical and ethical benefits across various domains. This paper highlights the advancements in XAI and its application in real-world scenarios and addresses the ongoing challenges within XAI, emphasizing the need for broader perspectives and collaborative efforts. We bring together experts from diverse fields to identify open problems, striving to synchronize research agendas and accelerate XAI in practical applications. By fostering collaborative discussion and interdisciplinary cooperation, we aim to propel XAI forward, contributing to its continued success. We aim to develop a comprehensive proposal for advancing XAI. To achieve this goal, we present a manifesto of 28 open problems categorized into nine categories. These challenges encapsulate the complexities and nuances of XAI and offer a road map for future research. For each problem, we provide promising research directions in the hope of harnessing the collective intelligence of interested stakeholders
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New learning modes for sequential decision making
This thesis considers the problem in which a teacher is interested in teaching action policies to computer agents for sequential decision making. The vast majority of policy
learning algorithms o er teachers little flexibility in how policies are taught. In particular,
one of two learning modes is typically considered: 1) Imitation learning, where
the teacher demonstrates explicit action sequences to the learner, and 2) Reinforcement
learning, where the teacher designs a reward function for the learner to autonomously
optimize via practice. This is in sharp contrast to how humans teach other humans,
where many other learning modes are commonly used besides imitation and practice.
This thesis presents novel learning modes for teaching policies to computer agents, with
the eventual aim of allowing human teachers to teach computer agents more naturally
and efficiently.
Our first learning mode is inspired by how humans learn: through rounds of practice
followed by feedback from a teacher. We adopt this mode to create computer agents that
learn from several rounds of autonomous practice followed by critique feedback from a
teacher. Our results show that this mode of policy learning is more e effective than pure
reinforcement learning, though important usability issues arise when used with human teachers.
Next we consider a learning mode where the computer agent can actively ask questions
to the teacher, which we call active imitation learning. We provide algorithms
for active imitation learning that are proven to require strictly less interaction with the
teacher than passive imitation learning. We also show that empirically active imitation learning algorithms are much more efficient than traditional passive imitation learning in terms of amount of interaction with the teacher.
Lastly, we introduce a novel imitation learning mode that allows a teacher to specify
shaping rewards to a computer agent in addition to demonstrations. Shaping rewards are
additional rewards supplied to an agent for accelerating policy learning via reinforcement
learning. We provide an algorithm to incorporate shaping rewards in imitation learning
and show that it learns from fewer demonstrations than pure imitation learning.
We wrap up by presenting a prototype User-Initiated Learning (UIL) system that
allows an end user to demonstrate procedures containing optional steps and instruct the
system to autonomously learn to predict when the optional steps should be executed, and
remind the user if they forget. Our prototype supports user-initiated demonstration and
learning via a natural interface, and has a built-in automated machine learning engine
to automatically train and install a predictor for the requested prediction problem
Explainable Artificial Intelligence (XAI) 2.0: A Manifesto of Open Challenges and Interdisciplinary Research Directions
As systems based on opaque Artificial Intelligence (AI) continue to flourish in diverse real-world applications, understanding these black box models has become paramount. In response, Explainable AI (XAI) has emerged as a field of research with practical and ethical benefits across various domains. This paper not only highlights the advancements in XAI and its application in real-world scenarios but also addresses the ongoing challenges within XAI, emphasizing the need for broader perspectives and collaborative efforts. We bring together experts from diverse fields to identify open problems, striving to synchronize research agendas and accelerate XAI in practical applications. By fostering collaborative discussion and interdisciplinary cooperation, we aim to propel XAI forward, contributing to its continued success. Our goal is to put forward a comprehensive proposal for advancing XAI. To achieve this goal, we present a manifesto of 27 open problems categorized into nine categories. These challenges encapsulate the complexities and nuances of XAI and offer a road map for future research. For each problem, we provide promising research directions in the hope of harnessing the collective intelligence of interested stakeholders
Recent Advances in Social Data and Artificial Intelligence 2019
The importance and usefulness of subjects and topics involving social data and artificial intelligence are becoming widely recognized. This book contains invited review, expository, and original research articles dealing with, and presenting state-of-the-art accounts pf, the recent advances in the subjects of social data and artificial intelligence, and potentially their links to Cyberspace
Handbook of Digital Face Manipulation and Detection
This open access book provides the first comprehensive collection of studies dealing with the hot topic of digital face manipulation such as DeepFakes, Face Morphing, or Reenactment. It combines the research fields of biometrics and media forensics including contributions from academia and industry. Appealing to a broad readership, introductory chapters provide a comprehensive overview of the topic, which address readers wishing to gain a brief overview of the state-of-the-art. Subsequent chapters, which delve deeper into various research challenges, are oriented towards advanced readers. Moreover, the book provides a good starting point for young researchers as well as a reference guide pointing at further literature. Hence, the primary readership is academic institutions and industry currently involved in digital face manipulation and detection. The book could easily be used as a recommended text for courses in image processing, machine learning, media forensics, biometrics, and the general security area
Handbook of Digital Face Manipulation and Detection
This open access book provides the first comprehensive collection of studies dealing with the hot topic of digital face manipulation such as DeepFakes, Face Morphing, or Reenactment. It combines the research fields of biometrics and media forensics including contributions from academia and industry. Appealing to a broad readership, introductory chapters provide a comprehensive overview of the topic, which address readers wishing to gain a brief overview of the state-of-the-art. Subsequent chapters, which delve deeper into various research challenges, are oriented towards advanced readers. Moreover, the book provides a good starting point for young researchers as well as a reference guide pointing at further literature. Hence, the primary readership is academic institutions and industry currently involved in digital face manipulation and detection. The book could easily be used as a recommended text for courses in image processing, machine learning, media forensics, biometrics, and the general security area
Enabling the Development and Implementation of Digital Twins : Proceedings of the 20th International Conference on Construction Applications of Virtual Reality
Welcome to the 20th International Conference on Construction Applications of Virtual Reality (CONVR 2020). This year we are meeting on-line due to the current Coronavirus pandemic. The overarching theme for CONVR2020 is "Enabling the development and implementation of Digital Twins". CONVR is one of the world-leading conferences in the areas of virtual reality, augmented reality and building information modelling. Each year, more than 100 participants from all around the globe meet to discuss and exchange the latest developments and applications of virtual technologies in the architectural, engineering, construction and operation industry (AECO). The conference is also known for having a unique blend of participants from both academia and industry. This year, with all the difficulties of replicating a real face to face meetings, we are carefully planning the conference to ensure that all participants have a perfect experience. We have a group of leading keynote speakers from industry and academia who are covering up to date hot topics and are enthusiastic and keen to share their knowledge with you. CONVR participants are very loyal to the conference and have attended most of the editions over the last eighteen editions. This year we are welcoming numerous first timers and we aim to help them make the most of the conference by introducing them to other participants
Building Pixel Classifiers using the Interactive Teacher/Learner (ITL) System
We present an interactive paradigm for the construction of pixel classifiers. The user selects training pixels incrementally, based on real-time feedback from the classifier running in the background. Experiments show that this facilitates the construction of very small yet accurate decision tree classifiers. The framework is extensible in many ways. For example, we show how classifiers can be composed hierarchically and trained to find seagulls in aerial images. 1. Introduction to the ITL concept Pixel classifiers are an important component of many vision systems, e.g. for texture-based segmentation, obstacle detection, or geoscience. Despite these abundant applications, the construction of high-performance pixel classifiers usually involves substantial cost in terms of human effort. A major objective of this work is to simplify the selection of training examples during the process of classifier construction. In most applications today, large amounts of training data are prepared a p..